EP2993269B1 - Assembly for the protection of slopes - Google Patents

Assembly for the protection of slopes Download PDF

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Publication number
EP2993269B1
EP2993269B1 EP15181286.4A EP15181286A EP2993269B1 EP 2993269 B1 EP2993269 B1 EP 2993269B1 EP 15181286 A EP15181286 A EP 15181286A EP 2993269 B1 EP2993269 B1 EP 2993269B1
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EP
European Patent Office
Prior art keywords
posts
slope protection
mesh
installation according
protection installation
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EP15181286.4A
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German (de)
French (fr)
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EP2993269A1 (en
Inventor
Urs Schneider
Thomas Ferwagner
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Jakob AG
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Jakob AG
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F7/00Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
    • E01F7/04Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
    • E01F7/045Devices specially adapted for protecting against falling rocks, e.g. galleries, nets, rock traps
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F7/00Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
    • E01F7/04Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries

Definitions

  • the present invention relates to the field of protective devices in the mountains or in other slopes. It relates to a particular against stone chipping and debris or snow effective slope protection system.
  • the publication DE 20 2013 103 524 U1 discloses, for example, a rockfall safety net with at least two posts each containing a support which can be anchored in or on the ground, wherein the support has a selectively plastically deformable section in the event of loading, which has the function of an energy absorption or braking element system.
  • a post has at least one stiffening plate attached to the lower portion of the carrier, which is oriented perpendicular to the flanges of the carrier.
  • the publication EP 1 398 417 A1 describes a network element for braking moving masses or for securing against material displacements, which comprises a network, wherein the network has at least two layers to increase the breaking force of the network element.
  • the net is a wire mesh or a ring net.
  • the net is essentially formed from steel wire and / or iron wire, wherein the steel or iron wire is preferably galvanized or coated.
  • the network element comprises support elements around which the network is wound to form the layers.
  • the support elements are essentially pipe sections in order to be able to pass a carrying cable for mounting the network element.
  • the publication EP 1 870 522 B1 schematically shows a safety net, which is used in particular for rockfall and snow build-up, and is installed for this purpose, for example, on a slope. With him it is achieved that falling stones, wood, debris, debris or the like or snow avalanches are safely collected.
  • This safety net consists for example of conventional intertwined ring elements. It is held here on supporting cables of corresponding anchored in the ground supports, which in turn are secured by retaining ropes.
  • the retaining ropes are each equipped with a special device for damping when falling in a boulder or the like. However, it is also possible to provide a plurality of such devices per retaining rope.
  • the publication WO 2009/052950 A1 discloses a construction with a safety net, which is stretched on its two longitudinal sides of supporting cables, and with supports, on which the supporting cables are held and which are anchored via retaining ropes to anchors.
  • the suspension cables are attached to the anchorages via braking devices.
  • the publication FR 2669047 A1 finally discloses a dynamic protective barrier formed by a mesh network suspended from an upper edge on an upper cable and held at a lower edge by a lower cable.
  • the mesh network is made up of a zigzag between the lower cable and the upper cable.
  • the publication FR 2 953 228 A describes a rockfall protection system with a post fixed at one end to a wall, with an edge cable, with an element for fixing the edge cable to the post, such that the edge cable can slide axially, and two brakes, which are in series the edge cable are inserted and cause an extension of the edge cable when the tension in the cable exceeds a predetermined limit.
  • a net is held at one edge by the edge cable.
  • Each of the two brakes is located near the post on corresponding sides.
  • a safety cable guyed from the post is attached to the edge cable on both sides of the two brakes.
  • the publication FR 2 949 480 A discloses a slope protection module having two attachment bars attached to a console formed by a frame of two sturdy posts and sturdy crossbars. A retention guard is disposed in the opening of the frame.
  • the tie rods include tie rods which are attached to the posts. The tie rods are formed so that the resulting forces lie in a median plane which is oriented perpendicular to the main plane of the frame and passes through a center of the cross bars.
  • Each post is formed as a cut profile with a central core parallel to the median plane.
  • the document JPH 10088527 A describes a protective device for catching falling rocks.
  • the protective device in appropriate places on natural ground is built as a base of a number of supports, which are fixed by hinges on the ground.
  • a suspension cable is stretched between the upper part of each support and the natural ground on the mountain side.
  • a net is stretched by tethers, which are stretched between the supports in the upper and lower areas.
  • the publication EP 1 500 747 discloses a supporting energy absorbing structure for flexible rockfall, logging, avalanche, or the like, having a scaffolding structure and having a support structure connected to the scaffold structure by means of a connection structure, wherein a fastener structure is provided over an entire field length, preferably up to the entire construction length of the protective barrier, except in areas of necessary guidance over the support structure, is connected to the interception structure and / or their mesh support.
  • the publication US 2011/0297907 A1 shows a device for absorbing shocks for the network of a protective fence.
  • a net has a hold-down part, which is arranged at the edge of the net and formed by oblique wires, and a part which penetrates the net and in which oblique wires intersect.
  • the hold-down part or the penetration part is connected by means of a shock-absorbing rope and a shock-absorbing device with an upper transverse rope or a longitudinal rope, both of which serve as connectors of a protective fence.
  • the slope protection system comprises at least one Netzaufspannech comprising a first and second posts, a network and anchoring means, wherein the two posts are arranged at a distance from each other, the network is clamped between the two posts and the two posts by means of the anchoring means are anchored uphill at a common point in the ground.
  • the two posts are each formed as tubes, and that the tubes are each composed of a vertical tube and an adjoining the lower end of the vertical tube, upwardly curved elbow piece.
  • the tubes are made of a steel. If the weight of the equipment is to be even more limited, e.g. To better transport the system by helicopter to higher elevations, it is also possible to use aluminum or aluminum alloy pipes instead of steel pipes.
  • the vertical tubes may each be curved uphill.
  • the tubes are designed and arranged mirror-symmetrically to a vertical center plane.
  • the anchoring means comprise an anchoring unit arranged uphill of the two posts and in a vertical center plane passing between the two posts and anchored in the ground, in which the downwardly directed forces acting on the two posts are provided by the both posts to the anchoring unit guided fasteners are initiated.
  • the connecting elements each comprise diagonal cables guided from an average height of the vertical tubes to the anchoring unit and horizontal tubes guided from the lower end of the vertical tubes to the anchoring unit.
  • the two curved pieces can be fastened in each case with its free end to the associated horizontal tube.
  • a further embodiment of the slope protection system according to the invention is characterized in that the anchoring means additionally comprise anchoring cables which extend laterally outwards from the posts and which are anchored in the ground.
  • the network is constructed as a ring network of a plurality of similar network rings, which are each arranged in parallel rows, wherein the network rings of each row are generated by continuous looping of a rope, at the two opposite ends terminates respectively in a cable section projecting laterally from the net with an eye formed at the free end and being part of a side attachment, and in that the net rings of adjacent rows intermesh.
  • the net is anchored to the post by passing the rope sections of the side fasteners each around the posts to form an eye.
  • the anchoring unit comprises a middle plate lying in the vertical center plane, which is arranged between and connected to the parallel ends of the horizontal tubes, wherein the middle plate is placed on an upwardly curved bottom tube bend, and wherein at the downstream end of the middle plate a lying connection plate for the attachment of the diagonal ropes is attached.
  • Another embodiment of the inventive slope protection system is characterized in that the posts, the anchoring means and the network are detachably connected to each other.
  • a further embodiment of the inventive slope protection system is characterized in that several Netzierspannechen arranged at a distance next to each other are, and that between the adjacent posts of two adjacent Netzaufspannechen an additional network is stretched.
  • Fig. 1 shows in perspective view of a slope protection system 10 according to an embodiment of the invention, wherein two Netzierspanniseren 11a and 11b are arranged in decency side by side and between them form another network 12b.
  • the drawn block arrow indicates the direction downhill.
  • Fig. 2 the same slope protection system 10 is shown in the downhill direction.
  • Each of the two Netzaufspannechen 11a and 11b span a network 12a and 12c on their own.
  • the entire slope protection system 10 is additionally stabilized on the left and right sides by laterally tensioned upper and middle guy ropes 13a, 13b and 14a, 14b.
  • the net clamping unit 11 has left and right posts 15a, 16a and 15b, 16b, each formed as tubes and made of a steel (or aluminum). With a width of the tensioned between the posts network 12th of about 5m (distance A in Fig. 13 ) are suitable as tubes for the posts, for example steel tubes with the dimensions 140x8mm or aluminum tubes with similar dimensions.
  • the posts 1 5a, 16a and 1 5b, 16b are each made of a vertical tube 1 5a and 1 5b and at the lower end of the vertical tube 1 5a and 1 5b subsequent, curved upward elbow piece 1 6a or 1 6b of the same diameter and composed of the same wall thickness.
  • the vertical tubes 1 5a and 1 5b themselves have a slope directed upward with a comparatively large radius of curvature of more than 5m.
  • the net 12 is stretched between the two posts 15a, 16a and 1 5b, 16b.
  • the two posts themselves are anchored by means of various anchoring means uphill to an anchoring unit 24 a common point in the ground.
  • the tubes 1 5a, 16a and 1 5b, 1 6b of the posts are mirror-symmetrical to a passing through the anchoring unit 24 vertical center plane and arranged.
  • the downwardly directed forces acting on the two posts 1 5a, 16a and 1 5b, 16b are introduced by connecting elements guided from the two posts to the anchoring unit 24.
  • the connecting elements each comprise diagonal cables 23a and 23b, which are guided from an average height of the vertical tubes 1 5a and 1b to the anchoring unit 24, and horizontal tubes 18a and 18b respectively guided from the lower end of the vertical tubes 1a and 1b to the anchoring unit 24.
  • the two curved pieces 1 6a and 16b are each fixedly connected to one end with the associated vertical tube 1 5a and 1 5b and lie on the ground.
  • connecting plates 19a, b, 20a, b, 21a, b and 22a, b which are made of steel and have a thickness of, for example, are provided at different locations on the posts on two opposite sides 30mm.
  • connecting plates 19a, b engage outwardly outgoing the upper guy ropes 13a and 13b, while between the posts and the connection plates 19a, b, a rope for carrying the net 12 is stretched.
  • connection plates 20a, b engage outwardly the middle guy ropes 14a and 14b, while from these connection plates 20a, b to the anchoring unit 24 are each a pair of parallel diagonal ropes 23a and 23b stretched.
  • the terminal plates 21a and 21b attached to the lower end of the vertical tubes 15a and 15b are for connection with the horizontal tubes 18a and 18b.
  • connection plates 22a and 22b are provided, between which another rope for holding the net 12 is stretched.
  • a respective double plate 38a and 38b is mounted, which receives between them a connection plate 17a and 17b, which establishes the connection to the horizontal tube 18a and 18b.
  • a similar connection exists between the post-side ends of the horizontal tubes 18a and 18b and the posts 15a, 16a and 15b, 16b, where each of a double plate 37a and 37b receives the terminal plate 21a and 21b, respectively.
  • the posts 15a, 16a and 15b, 16b, the anchoring means 13a, b, 14a, b, 18a, b, 23a, b and 24 and the net 12 are detachably connected with each other so that the entire net clamping unit 11 disassembled into individual parts easily brought to the (usually inaccessible) site and there quickly and safely built and installed.
  • the in the FIGS. 7 to 10 represented anchoring unit 24 comprises a lying in the vertical center plane, provided with holes 29 central plate 25, for example of 30mm thick steel, which is disposed between the parallel ends of the horizontal tubes 18a and 18b and connected thereto by a screw with welded to the tubes plates ,
  • the middle plate 25 is placed on an upwardly curved bottom tube sheet 26 and welded thereto.
  • the anchoring unit 24 is seated with the floor pipe elbow 26 on the floor.
  • a lying connection plate 27 At the downstream end of the middle plate 25 is a lying connection plate 27 with corresponding holes 30 for attaching the diagonal ropes 23 a and 23 b attached or welded.
  • the nets 12 and 1 2a-c themselves are according to Fig. 11 and 12 constructed as ring networks of a plurality of similar network rings 31, which are each arranged in parallel rows R.
  • the mesh rings 31 of each row R of the network 12 and 12a-c are generated by continuous looping of a rope, which at the two opposite ends in each case in a laterally projecting from the network 12 and 1 2a-c cable section 33a and 33b an eye formed at the free end 34a and 34b ends.
  • the mesh rings 31 adjacent rows R interlock.
  • the mesh rings 31 have For example, a ring radius of 60mm and are formed by stainless steel ropes of 4mm diameter and fixed by means of clamping sleeves 31a, b, which achieve a braking effect within the network.
  • This in Fig. 11 exemplified network 12 has 40 rows R each with 55 mesh rings.
  • the cable sections 33a and 33b with the eye 34a and 34b formed at the free end are part of a side attachment 32a and 32b, respectively. They are placed around the vertical tubes 1 5a and 15b and by means of a snap hook 36a and 36b, respectively, the eyes 34a, b arranged at the end are connected to eyes 35a and 35b which are additionally formed on the mesh (see Fig. 13 ).

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)

Description

Die vorliegende Erfindung bezieht sich auf das Gebiet der Schutzeinrichtungen im Gebirge oder in anderen Hanglagen. Sie betrifft eine insbesondere gegen Steinschlag und Geröllabgänge oder Schnee wirksame Hangschutzanlage.The present invention relates to the field of protective devices in the mountains or in other slopes. It relates to a particular against stone chipping and debris or snow effective slope protection system.

STAND DER TECHNIKSTATE OF THE ART

In gebirgigen, felsigen Gegenden finden sich häufig mehr oder weniger steile Hanglagen, über die loses Geröll oder einzelne Steinbrocken hangabwärts rollen und in tiefer liegenden Abschnitten an Wegen, Strassen, Häusern oder anderen Überbauungen Schäden anrichten und Menschenleben gefährden können. Dies ist insbesondere dort der Fall, wo natürliche Hindernisse wie Bäume oder Wald fehlen oder nicht im erforderlichen Mass vorhanden sind. An derartigen Stellen werden gezielt Schutzmassnahmen ergriffen, zu denen insbesondere Fang- oder Schutznetze zählen.In mountainous, rocky areas, there are often more or less steep slopes, over which loose boulders or individual rocks can roll down the slope and cause damage in deeper areas of roads, roads, houses or other structures and endanger human lives. This is especially the case where natural obstacles such as trees or forest are missing or not available to the required extent. In such places targeted protective measures are taken, which include in particular fishing or safety nets.

Die Druckschrift DE 20 2013 103 524 U1 offenbart beispielsweise ein Steinschlag-Fangnetz mit mindestens zwei Pfosten, die jeweils einen in oder auf dem Boden verankerbaren Träger enthalten, wobei der Träger einen sich im Belastungsfall gezielt plastisch verformbaren Abschnitt aufweist, der die Funktion eines Energieabsorptions- bzw. Bremselementsystems hat. Ein solcher Pfosten weist mindestens ein an dem unteren Abschnitt des Trägers angebrachtes Versteifungsblech auf, das senkrecht zu den Flanschen des Trägers ausgerichtet ist.The publication DE 20 2013 103 524 U1 discloses, for example, a rockfall safety net with at least two posts each containing a support which can be anchored in or on the ground, wherein the support has a selectively plastically deformable section in the event of loading, which has the function of an energy absorption or braking element system. Such a post has at least one stiffening plate attached to the lower portion of the carrier, which is oriented perpendicular to the flanges of the carrier.

Die Druckschrift EP 1 398 417 A1 beschreibt ein Netzelement zum Abbremsen bewegter Massen oder zur Sicherung gegen Materialverschiebungen, welches ein Netz umfasst, wobei das Netz mindestens zwei Lagen aufweist zur Erhöhung der Bruchkraft des Netzelementes. Das Netz ist ein Drahtgeflecht oder ein Ringnetz. Das Netz ist im Wesentlichen aus Stahldraht und/oder Eisendraht gebildet, wobei der Stahl- bzw. Eisendraht vorzugsweise verzinkt oder beschichtet ist. Das Netzelement umfasst Trägerelemente, um welche das Netz zur Bildung der Lagen gewickelt ist. Die Trägerelemente sind im Wesentlichen Rohrstücke, um zur Montage des Netzelementes ein Tragseil hindurchführen zu können.The publication EP 1 398 417 A1 describes a network element for braking moving masses or for securing against material displacements, which comprises a network, wherein the network has at least two layers to increase the breaking force of the network element. The net is a wire mesh or a ring net. The net is essentially formed from steel wire and / or iron wire, wherein the steel or iron wire is preferably galvanized or coated. The network element comprises support elements around which the network is wound to form the layers. The support elements are essentially pipe sections in order to be able to pass a carrying cable for mounting the network element.

Die Druckschrift EP 1 870 522 B1 zeigt schematisch ein Auffangnetz, das insbesondere für Steinschlag- und Schneeverbauungen verwendet wird, und zu diesem Zwecke beispielsweise an einem Abhang installiert ist. Mit ihm wird erreicht, dass herunterfallende Steine, Gehölz, Murgang, Geschiebe oder ähnliches bzw. Schneelawinen sicher aufgefangen werden. Dieses Auffangnetz besteht beispielsweise aus herkömmlichen ineinander gewundenen Ringelementen. Es ist hierbei über Tragseile von entsprechenden im Boden verankerten Stützen gehalten, welche ihrerseits von Rückhalteseilen gesichert sind. Die Rückhalteseile sind zur Dämpfung beim Hineinfallen eines Felsbrockens oder dergleichen jeweils mit einer speziellen Vorrichtung bestückt. Es können aber auch mehrere solcher Vorrichtungen pro Rückhalteseil vorgesehen sein.The publication EP 1 870 522 B1 schematically shows a safety net, which is used in particular for rockfall and snow build-up, and is installed for this purpose, for example, on a slope. With him it is achieved that falling stones, wood, debris, debris or the like or snow avalanches are safely collected. This safety net consists for example of conventional intertwined ring elements. It is held here on supporting cables of corresponding anchored in the ground supports, which in turn are secured by retaining ropes. The retaining ropes are each equipped with a special device for damping when falling in a boulder or the like. However, it is also possible to provide a plurality of such devices per retaining rope.

Die Druckschrift WO 2009/052950 A1 offenbart eine Verbauung mit einem Auffangnetz, welches an seinen zwei Längsseiten an Tragseilen aufgespannt ist, und mit Stützen, an welchen die Tragseile gehalten sind und welche über Rückhalteseile an Verankerungen verankert sind. Die Tragseile sind über Bremsvorrichtungen an den Verankerungen befestigt.The publication WO 2009/052950 A1 discloses a construction with a safety net, which is stretched on its two longitudinal sides of supporting cables, and with supports, on which the supporting cables are held and which are anchored via retaining ropes to anchors. The suspension cables are attached to the anchorages via braking devices.

Die Druckschrift FR 2669047 A1 schliesslich offenbart eine dynamische Schutzbarriere, die von einem Mesh-Netzwerk gebildet und an einer oberen Kante an einem oberen Kabel aufgehängt und an einem unteren Rand von einem unteren Kabel gehalten wird. Das Mesh-Netzwerk wird aus einem im Zickzack zwischen dem unteren Kabel und oberen Kabel hin und her geführten Kabel.The publication FR 2669047 A1 finally discloses a dynamic protective barrier formed by a mesh network suspended from an upper edge on an upper cable and held at a lower edge by a lower cable. The mesh network is made up of a zigzag between the lower cable and the upper cable.

Die Druckschrift FR 2 953 228 A beschreibt eine Steinschlag-Schutzanlage mit einem Pfosten, der mit einem Ende an einer Wand befestigt ist, mit einem Randkabel, mit einem Element zur Befestigung des Randkabels am Pfosten, derart, dass das Randkabel axial gleiten kann, sowie zwei Bremsen, die in Serie in das Randkabel eingefügt sind und eine Verlängerung des Randkabels bewirken, wenn die Zugspannung im Kabel einen vorgegebenen Grenzwert überschreitet. Ein Netz ist an einem Rand durch das Randkabel gehalten. Jede der zwei Bremsen ist nahe am Pfosten auf entsprechenden Seiten angeordnet. Ein vom Pfosten abgespanntes Sicherungskabel ist am Randkabel auf beiden Seiten der zwei Bremsen befestigt.The publication FR 2 953 228 A describes a rockfall protection system with a post fixed at one end to a wall, with an edge cable, with an element for fixing the edge cable to the post, such that the edge cable can slide axially, and two brakes, which are in series the edge cable are inserted and cause an extension of the edge cable when the tension in the cable exceeds a predetermined limit. A net is held at one edge by the edge cable. Each of the two brakes is located near the post on corresponding sides. A safety cable guyed from the post is attached to the edge cable on both sides of the two brakes.

Die Druckschrift FR 2 949 480 A offenbart ein Hangschutz-Modul mit zwei Befestigungsstangen, die an einer Konsole befestigt sind, die durch einen Rahmen aus zwei stabilen Pfosten und stabilen Querstäben gebildet wird. Ein Rückhalteschutz ist in der Öffnung des Rahmens angeordnet. Die Befestigungsstangen umfassen Zugstangen, die an den Pfosten befestigt sind. Die Zugstangen sind so ausgebildet, dass die resultierenden Kräfte in einer Mittelebene liegen, die senkrecht zur Hauptebene des Rahmens orientiert ist und durch eine Mitte der Querstäbe geht. Jeder Pfosten ist als abgelängtes Profil mit einem zentralen Kern parallel zu der Mittelebene ausgebildet.The publication FR 2 949 480 A discloses a slope protection module having two attachment bars attached to a console formed by a frame of two sturdy posts and sturdy crossbars. A retention guard is disposed in the opening of the frame. The tie rods include tie rods which are attached to the posts. The tie rods are formed so that the resulting forces lie in a median plane which is oriented perpendicular to the main plane of the frame and passes through a center of the cross bars. Each post is formed as a cut profile with a central core parallel to the median plane.

Die Druckschrift JPH 10088527 A beschreibt eine Schutzeinrichtung zum Auffangen von stürzenden Felsen. Die Schutzeinrichtung, die an entsprechenden Orten auf Naturgrund errichtet wird, hat als Basis eine Reihe von Stützen, die durch Scharniere am Boden befestigt sind. Ein Tragkabel ist zwischen dem oberen Bereich jeder Stütze und dem Naturgrund auf der Bergseite gespannt. Ein Netz wird aufgespannt durch Halteseile, die zwischen den Stützen jeweils im oberen und unteren Bereich gespannt sind.The document JPH 10088527 A describes a protective device for catching falling rocks. The protective device, in appropriate places on natural ground is built as a base of a number of supports, which are fixed by hinges on the ground. A suspension cable is stretched between the upper part of each support and the natural ground on the mountain side. A net is stretched by tethers, which are stretched between the supports in the upper and lower areas.

Die Druckschrift EP 1 500 747 offenbart eine unterstützende Energieabsorbierungsstruktur für flexible Schutzverbauungen gegen Steinschlag, Holzschlag, Lawinen oder ähnlichem, mit einer Abfangstruktur und mit einer Stützstruktur, die mittels einer Verbindungsstruktur mit der Abfangstruktur verbunden ist, wobei eine Verbindungselementstruktur vorgesehen ist, die über eine gesamte Feldlänge bzw. Felder, vorzugsweise bis hin zur gesamten Verbaulänge der Schutzverbauung, ausser in Bereichen einer notwendigen Führung über die Stützstruktur, mit der Abfangstruktur und/oder deren Geflechtauflage verbunden ist.The publication EP 1 500 747 discloses a supporting energy absorbing structure for flexible rockfall, logging, avalanche, or the like, having a scaffolding structure and having a support structure connected to the scaffold structure by means of a connection structure, wherein a fastener structure is provided over an entire field length, preferably up to the entire construction length of the protective barrier, except in areas of necessary guidance over the support structure, is connected to the interception structure and / or their mesh support.

Die Druckschrift US 2011/0297907 A1 zeigt eine Vorrichtung zur Absorption von Schlägen für das Netz eines Schutzzaunes. Ein Netz hat einen Teil zum Niederhalten, der an der Kante des Netzes angeordnet ist und durch schräge Drähte gebildet wird, und einen Teil, der das Netz durchdringt und in welchem sich schräge Drähte kreuzen. Der Niederhalte-Teil oder der Durchdringungsteil sind mittels eines schlagabsorbierenden Seiles und einer schockabsorbierenden Einrichtung mit einem oberen transversalen Seil oder einem longitudinalen Seil verbunden, die beide als Verbindungsstücke eines Schutzzaunes dienen. Trotz der bereits bestehenden Lösungen besteht der Wunsch, spezielle "Netze für Naturgefahren" zu entwickeln, weil die auf dem Markt verfügbaren und bisher untersuchten Zaunanlagen und -systeme sich als technisch sehr aufwändig und komplex erweisen. Massiver Materialeinsatz bei den bekannten Systemen verursachen aufwändige und kostenintensive Montagearbeiten. Zudem halten sich die Monteure aufgrund der aufwändigen Montagearbeiten lange Zeit im Gefahrenbereich auf und sind somit auch lange an Leib und Leben gefährdet. Daneben wird durch den massigen Materialeinsatz das Landschaftsbild in Mitleidenschaft gezogen.The publication US 2011/0297907 A1 shows a device for absorbing shocks for the network of a protective fence. A net has a hold-down part, which is arranged at the edge of the net and formed by oblique wires, and a part which penetrates the net and in which oblique wires intersect. The hold-down part or the penetration part is connected by means of a shock-absorbing rope and a shock-absorbing device with an upper transverse rope or a longitudinal rope, both of which serve as connectors of a protective fence. Despite existing solutions, there is a desire to develop special "natural hazards networks" because the fences and systems available on the market and previously studied prove to be technically complex and complex. Massive use of materials in the known systems cause complex and costly installation work. In addition, due to the complex assembly work, the fitters spend a long time in the danger zone and are therefore also Long endangered life and limb. In addition, the landscape is damaged by the massive use of materials.

Anstelle von komplexen und materialaufwändigen Zaunkonstruktionen mit hohem Montageaufwand sollten daher schlanke, modulartige, einbaufertige Produkte mit einer hohen Funktionalität bereitgestellt werden, gemäss dem Motto "Struktur statt Masse". Ebenso sollten Montage- und Wartungsfreundlichkeit den Anwendern einen Mehrwert bringen. Ein optimiertes Design sollte die Netze diskret ins Landschaftsbild einfügen lassen.Instead of complex and material-consuming fence constructions with high assembly costs, therefore, slim, modular, ready-to-install products with a high functionality should be provided, according to the motto "structure instead of mass". Likewise, installation and maintenance friendliness should bring added value to users. An optimized design should discreetly insert the nets into the landscape.

Die Vorteile einer solchen Lösung lägen auf der Hand; eine werkseitige Vorfertigung erlaubte ein hohes Mass an Qualität, Flexibilität, Schnelligkeit und Wirtschaftlichkeit. Die Montagezeiten "am Hang" könnten deutlich verringert werden. Im Gegensatz zu den bisher verfügbaren Systemen sollten ein Lastnetz und ein Auflegenetz in eine Netzlage integriert sein. Dadurch könnte der Materialeinsatz verringert werden. Mit einer solchen Netzstruktur sollten sowohl kleine Erosionen wie auch grosse Steine sicher aufgefangen werden können. Wenn dazu in das Netz viele kleine "Bremsen" eingebaut würden, könnten mit ein und demselben System verschiedene Ereignisse und unterschiedlichste Energieeinträge sicher aufgefangen werden. In Kombination mit entsprechenden Rand- und Abspannseilen sollte eine solche neuartige Netzstruktur zirka 60% der ankommenden Energien vernichten.The advantages of such a solution would be obvious; a factory prefabrication allowed a high degree of quality, flexibility, speed and efficiency. The installation times "on a slope" could be significantly reduced. In contrast to the systems available so far, a load network and a lay-by network should be integrated into one network layer. This could reduce the use of materials. With such a network structure, small erosions as well as large stones should be safely caught. If a lot of small "brakes" were built into the grid, different events and different energy inputs could be safely collected with one and the same system. In combination with corresponding edge and guy ropes, such a novel network structure should destroy about 60% of the incoming energies.

Da die Langlebigkeit sehr wichtig ist, sollten die Seile für die Netzherstellung, die Randeinfassung sowie für die Halteseile aus Edelstahl sein. Die Lebensdauer ohne Einschlag resp. Beschädigung der Systeme sollte bei einer sachgerechten Anwendung mindestens 30 Jahre betragen. Nach dieser Zeit sollten die Systeme immer noch in einem sicheren Zustand sein.Since longevity is very important, the ropes for net making, edging and tethers should be made of stainless steel. The life without impact resp. Damage to the systems should be at least 30 years if used properly. After this time, the systems should still be in a safe state.

Ein ästhetisches Design mit einer hohen Transparenz würde sowohl die Sichtbarkeit im Gelände wie auch das Eigengewicht reduzieren. So könnten die Bauteile in das meist schwer zugängliche Gelände geflogen werden. Defekte Bauteile liessen sich austauschen, was sowohl ökologische wie auch ökonomische Vorteile brächte. Als Rohstoff für die Struktur sollte Aluminium eingesetzt werden. Die Bauteile würden optimiert, damit Produktion und Lagerhaltung schlank gehalten werden können.An aesthetic design with high transparency would reduce both off-road visibility and dead weight. So the components could be flown into the mostly hard to reach area. Defective components could be exchanged, which would bring both ecological and economic benefits. As raw material for the structure aluminum should be used. The components would be optimized so that production and warehousing can be kept slim.

Die verbleibende Restenergie, welche durch ein solches Netz nicht aufgefangen würde, würde sowohl durch die druckbelastete Struktur wie auch durch in der Länge verstellbaren Seilbremsen vernichtet.The remaining residual energy, which would not be absorbed by such a network, would be destroyed both by the pressure-loaded structure as well as by length-adjustable cable brakes.

Durch ein geschicktes Kräftemanagement würden die Anschlag- bzw. die Befestigungspunkte verringert. Dadurch würden sich auch die Montagearbeiten erleichtern und der Aufwand für die Installationen verringern. Die Gefahren bei der Montage würden erheblich reduziert und die Kosten minimiert.A clever force management would reduce the stop or attachment points. This would also facilitate the assembly work and reduce the cost of the installations. The dangers of assembly would be significantly reduced and the costs minimized.

Ein solches System sollte für unterschiedliche Energieklassen sowohl nach ETAG 27 (European Technical Approvement Guidelines 27) wie auch den Vorschriften des BUWAL (eidg. Bundesamt für Umwelt, Wald und Landschaft) zugelassen werden können.Such a system should be able to be approved for different energy classes according to both ETAG 27 (European Technical Approval Guidelines 27) and SAEFL (Swiss Federal Office for the Environment, Forest and Landscape).

DARSTELLUNG DER ERFINDUNGPRESENTATION OF THE INVENTION

Es ist daher eine Aufgabe der Erfindung, eine Hangschutzanlage bereitzustellen, welche die Nachteile bekannter Anlagen vermeidet oder zumindest verringert und sich durch die oben genannten Eigenschaften und Vorteile auszeichnet.It is therefore an object of the invention to provide a slope protection system which avoids or at least reduces the disadvantages of known systems and is distinguished by the abovementioned properties and advantages.

Diese und andere Aufgaben werden durch die Merkmale des Anspruchs 1 gelöst.These and other objects are achieved by the features of claim 1.

Ausgestaltungen der Erfindung ergeben sich aus den abhängigen Ansprüchen.Embodiments of the invention will become apparent from the dependent claims.

Die Hangschutzanlage gemäss der Erfindung umfasst wenigstens eine Netzaufspanneinheit, welche einen ersten und zweiten Pfosten, ein Netz sowie Verankerungsmittel umfasst, wobei die beiden Pfosten in einem Abstand voneinander angeordnet sind, das Netz zwischen den beiden Pfosten aufgespannt ist und die beiden Pfosten mit Hilfe der Verankerungsmittel hangaufwärts an einem gemeinsamen Punkt im Boden verankert sind.The slope protection system according to the invention comprises at least one Netzaufspanneinheit comprising a first and second posts, a network and anchoring means, wherein the two posts are arranged at a distance from each other, the network is clamped between the two posts and the two posts by means of the anchoring means are anchored uphill at a common point in the ground.

Sie ist dadurch gekennzeichnet, dass die beiden Pfosten jeweils als Rohre ausgebildet sind, und dass die Rohre jeweils aus einem Vertikalrohr und einem am unteren Ende des Vertikalrohrs anschliessenden, aufwärts gekrümmten Bogenstück zusammengesetzt sind.It is characterized in that the two posts are each formed as tubes, and that the tubes are each composed of a vertical tube and an adjoining the lower end of the vertical tube, upwardly curved elbow piece.

Insbesondere bestehen die Rohre aus einem Stahl. Wenn das Gewicht der Anlage noch stärker beschränkt werden soll, um z.B. die Anlage besser mit einem Hubschrauber in höher gelegene Gebiete transportieren zu können, können anstelle der Stahlrohre auch Rohre aus Aluminium oder einer Aluminiumlegierung eingesetzt werden.In particular, the tubes are made of a steel. If the weight of the equipment is to be even more limited, e.g. To better transport the system by helicopter to higher elevations, it is also possible to use aluminum or aluminum alloy pipes instead of steel pipes.

Darüber hinaus können die Vertikalrohre jeweils hangaufwärts gekrümmt sein.In addition, the vertical tubes may each be curved uphill.

Insbesondere sind die Rohre spiegelsymmetrisch zu einer vertikalen Mittelebene ausgebildet und angeordnet.In particular, the tubes are designed and arranged mirror-symmetrically to a vertical center plane.

Eine andere Ausgestaltung der erfindungsgemässen Hangschutzanlage ist dadurch gekennzeichnet, dass die Verankerungsmittel eine hangaufwärts der beiden Pfosten und in einer zwischen den beiden Pfosten hindurchgehenden vertikalen Mittelebene angeordnete und im Boden verankerte Verankerungseinheit umfassen, in die auf die beiden Pfosten einwirkende, hangabwärts gerichtete Kräfte durch von den beiden Pfosten zur Verankerungseinheit geführte Verbindungselemente eingeleitet werden.Another embodiment of the slope protection system according to the invention is characterized in that the anchoring means comprise an anchoring unit arranged uphill of the two posts and in a vertical center plane passing between the two posts and anchored in the ground, in which the downwardly directed forces acting on the two posts are provided by the both posts to the anchoring unit guided fasteners are initiated.

Insbesondere umfassen die Verbindungselemente jeweils von einer mittleren Höhe der Vertikalrohre zur Verankerungseinheit geführte Diagonalseile sowie jeweils vom unteren Ende der Vertikalrohre zur Verankerungseinheit geführte Horizontalrohre.In particular, the connecting elements each comprise diagonal cables guided from an average height of the vertical tubes to the anchoring unit and horizontal tubes guided from the lower end of the vertical tubes to the anchoring unit.

Darüber hinaus können die beiden Bogenstücke jeweils mit ihrem freien Ende an dem zugehörigen Horizontalrohr befestigt sein.In addition, the two curved pieces can be fastened in each case with its free end to the associated horizontal tube.

Eine weitere Ausgestaltung der erfindungsgemässen Hangschutzanlage ist dadurch gekennzeichnet, dass die Verankerungsmittel zusätzlich von den Pfosten jeweils seitlich nach aussen abgehende und im Boden verankerte Abspannseile umfassen.A further embodiment of the slope protection system according to the invention is characterized in that the anchoring means additionally comprise anchoring cables which extend laterally outwards from the posts and which are anchored in the ground.

Eine wieder andere Ausgestaltung der erfindungsgemässen Hangschutzanlage ist dadurch gekennzeichnet, dass das Netz als Ringnetz aus einer Vielzahl von gleichartigen Netzringen aufgebaut ist, die jeweils in parallelen Reihen angeordnet sind, wobei die Netzringe jeder Reihe durch fortlaufende Schlaufenbildung eines Seiles erzeugt sind, das an den beiden gegenüberliegenden Enden jeweils in einem aus dem Netz seitlich herausragenden Seilabschnitt mit einem am freien Ende ausgebildeten Auge endet und Teil einer Seitenbefestigung ist, und dass die Netzringe benachbarter Reihen ineinandergreifen. Insbesondere ist das Netz an den Pfosten verankert, indem die Seilabschnitte der Seitenbefestigungen jeweils unter Bildung eines Auges um die Pfosten herumgeführt sind. Vorzugsweise umfasst die Verankerungseinheit eine in der vertikalen Mittelebene liegende Mittelplatte, welche zwischen den parallel auslaufenden Enden der Horizontalrohre angeordnet und mit diesen verbunden ist, wobei die Mittelplatte auf einen aufwärts gekrümmten Bodenrohrbogen aufgesetzt ist, und wobei am hangabwärts liegenden Ende der Mittelplatte eine liegende Anschlussplatte für die Befestigung der Diagonalseile angebracht ist.Yet another embodiment of the inventive slope protection system is characterized in that the network is constructed as a ring network of a plurality of similar network rings, which are each arranged in parallel rows, wherein the network rings of each row are generated by continuous looping of a rope, at the two opposite ends terminates respectively in a cable section projecting laterally from the net with an eye formed at the free end and being part of a side attachment, and in that the net rings of adjacent rows intermesh. In particular, the net is anchored to the post by passing the rope sections of the side fasteners each around the posts to form an eye. Preferably, the anchoring unit comprises a middle plate lying in the vertical center plane, which is arranged between and connected to the parallel ends of the horizontal tubes, wherein the middle plate is placed on an upwardly curved bottom tube bend, and wherein at the downstream end of the middle plate a lying connection plate for the attachment of the diagonal ropes is attached.

Eine andere Ausgestaltung der erfindungsgemässen Hangschutzanlage ist dadurch gekennzeichnet, dass die Pfosten, die Verankerungsmittel und das Netz miteinander lösbar verbunden sind.Another embodiment of the inventive slope protection system is characterized in that the posts, the anchoring means and the network are detachably connected to each other.

Eine weitere Ausgestaltung der erfindungsgemässen Hangschutzanlage ist dadurch gekennzeichnet, dass mehrere Netzaufspanneinheiten im Abstand nebeneinander angeordnet sind, und dass zwischen den benachbarten Pfosten zweier benachbarter Netzaufspanneinheiten ein zusätzliches Netz gespannt ist.A further embodiment of the inventive slope protection system is characterized in that several Netzaufspanneinheiten arranged at a distance next to each other are, and that between the adjacent posts of two adjacent Netzaufspanneinheiten an additional network is stretched.

KURZE ERLÄUTERUNG DER FIGURENBRIEF EXPLANATION OF THE FIGURES

Die Erfindung soll nachfolgend anhand von Ausführungsbeispielen im Zusammenhang mit der Zeichnung näher erläutert werden. Es zeigen:

Fig. 1
in perspektivischer Ansicht eine Hangschutzanlage gemäss einem Ausführungsbeispiel der Erfindung, wobei zwei Netzaufspanneinheiten im Anstand nebeneinander angeordnet sind und zwischen sich ein weiteres Netz aufspannen;
Fig. 2
die Hangschutzanlage aus Fig. 1 in der Richtung hangabwärts gesehen;
Fig. 3
in perspektivischer Ansicht eine einzelne Netzaufspanneinheit der in Fig. 1 gezeigten Art;
Fig. 4
die Netzaufspanneinheit aus Fig. 3 in der Richtung hangabwärts gesehen;
Fig. 5
die Netzaufspanneinheit aus Fig. 3 in der Draufsicht von oben;
Fig. 6
die Netzaufspanneinheit aus Fig. 3 in der Seitenansicht;
Fig. 7
eine perspektivische Ansicht der Verankerungseinheit;
Fig. 8
die Verankerungseinheit aus Fig. 7 in der Seitenansicht;
Fig. 9
die Verankerungseinheit aus Fig. 7 in der in der Richtung hangaufwärts gese-hen;
Fig. 10
die Verankerungseinheit aus Fig. 7 in der Draufsicht von oben;
Fig. 11
ein zum Aufspannen bereites Netz für die Netzaufspanneinheit aus Fig. 3;
Fig. 12
eine Ringreihe des Netzes aus Fig. 11; und
Fig. 13
die Befestigung des Netzes aus Fig. 11 an den Pfosten der Netzaufspanneinheit aus Fig. 3.
The invention will be explained in more detail with reference to embodiments in conjunction with the drawings. Show it:
Fig. 1
in a perspective view of a slope protection system according to an embodiment of the invention, wherein two Netzaufspanneinheiten are arranged in propriety side by side and span another network between them;
Fig. 2
the slope protection system Fig. 1 seen in the direction downhill;
Fig. 3
in perspective view a single Netzaufspanneinheit the in Fig. 1 kind shown;
Fig. 4
the Netzaufspanneinheit off Fig. 3 seen in the direction downhill;
Fig. 5
the Netzaufspanneinheit off Fig. 3 in the top view from above;
Fig. 6
the Netzaufspanneinheit off Fig. 3 in the side view;
Fig. 7
a perspective view of the anchoring unit;
Fig. 8
the anchoring unit Fig. 7 in the side view;
Fig. 9
the anchoring unit Fig. 7 in the uphill direction;
Fig. 10
the anchoring unit Fig. 7 in the top view from above;
Fig. 11
a tensioning for the network Aufspanneinheit network Fig. 3 ;
Fig. 12
a ring row of the network Fig. 11 ; and
Fig. 13
fastening of the net Fig. 11 at the posts of the Netzspannspanneinheit Fig. 3 ,

WEGE ZUR AUSFÜHRUNG DER ERFINDUNGWAYS FOR CARRYING OUT THE INVENTION

Fig. 1 zeigt in perspektivischer Ansicht eine Hangschutzanlage 10 gemäss einem Ausführungsbeispiel der Erfindung, wobei zwei Netzaufspanneinheiten 11a und 11b im Anstand nebeneinander angeordnet sind und zwischen sich ein weiteres Netz 12b aufspannen. Der eingezeichnete Blockpfeil gibt dabei die Richtung hangabwärts an. In Fig. 2 ist dieselbe Hangschutzanlage 10 in der Richtung hangabwärts gesehen wiedergegeben. Die beiden Netzaufspanneinheiten 11a und 11b spannen für sich genommen jeweils ein Netz 12a und 12c auf. Die ganze Hangschutzanlage 10 ist an der linken und rechten Seite zusätzlich durch seitlich abgespannte obere und mittlere Abspannseile 13a, 13b und 14a, 14b stabilisiert. Fig. 1 shows in perspective view of a slope protection system 10 according to an embodiment of the invention, wherein two Netzaufspanneinheiten 11a and 11b are arranged in decency side by side and between them form another network 12b. The drawn block arrow indicates the direction downhill. In Fig. 2 the same slope protection system 10 is shown in the downhill direction. Each of the two Netzaufspanneinheiten 11a and 11b span a network 12a and 12c on their own. The entire slope protection system 10 is additionally stabilized on the left and right sides by laterally tensioned upper and middle guy ropes 13a, 13b and 14a, 14b.

Eine einzelne Netzaufspanneinheit 11 ist in verschiedenen Ansichten in den Figuren 3 bis 6 dargestellt. Die Netzaufspanneinheit 11 weist einen linken und rechten Pfosten 15a, 16a und 15b, 16b auf, die jeweils als Rohre ausgebildet sind und aus einem Stahl (oder Aluminium) bestehen. Bei einer Breite des zwischen den Pfosten gespannten Netzes 12 von etwa 5m (Abstand A in Fig. 13) eignen sich als Rohre für die Pfosten z.B. Stahlrohre mit den Abmessungen 140x8mm oder Aluminiumrohre mit ähnlichen Abmessungen.A single net clamping unit 11 is shown in different views in FIGS FIGS. 3 to 6 shown. The net clamping unit 11 has left and right posts 15a, 16a and 15b, 16b, each formed as tubes and made of a steel (or aluminum). With a width of the tensioned between the posts network 12th of about 5m (distance A in Fig. 13 ) are suitable as tubes for the posts, for example steel tubes with the dimensions 140x8mm or aluminum tubes with similar dimensions.

Die Pfosten 1 5a, 16a bzw. 1 5b, 16b sind jeweils aus einem Vertikalrohr 1 5a bzw. 1 5b und einem am unteren Ende des Vertikalrohrs 1 5a bzw. 1 5b anschliessenden, aufwärts gekrümmten Bogenstück 1 6a bzw. 1 6b gleichen Durchmessers und gleicher Wandstärke zusammengesetzt. Die Vertikalrohre 1 5a bzw. 1 5b selbst weisen eine hangaufwärts gerichtete Krümmung mit einem vergleichsweise grossen Krümmungsradius von mehr als 5m auf.The posts 1 5a, 16a and 1 5b, 16b are each made of a vertical tube 1 5a and 1 5b and at the lower end of the vertical tube 1 5a and 1 5b subsequent, curved upward elbow piece 1 6a or 1 6b of the same diameter and composed of the same wall thickness. The vertical tubes 1 5a and 1 5b themselves have a slope directed upward with a comparatively large radius of curvature of more than 5m.

Das Netz 12 ist zwischen den beiden Pfosten 15a, 16a und 1 5b, 16b aufgespannt. Die beiden Pfosten selbst sind mit Hilfe verschiedener Verankerungsmittel hangaufwärts an über eine Verankerungseinheit 24 einem gemeinsamen Punkt im Boden verankert. Dabei sind die Rohre 1 5a, 16a und 1 5b, 1 6b der Pfosten spiegelsymmetrisch zu einer durch die Verankerungseinheit 24 gehenden vertikalen Mittelebene ausgebildet und angeordnet.The net 12 is stretched between the two posts 15a, 16a and 1 5b, 16b. The two posts themselves are anchored by means of various anchoring means uphill to an anchoring unit 24 a common point in the ground. The tubes 1 5a, 16a and 1 5b, 1 6b of the posts are mirror-symmetrical to a passing through the anchoring unit 24 vertical center plane and arranged.

In die hangaufwärts angeordnete und mittels eines nach hinten abgehenden Verankerungsseils (39a und 39b in Fig. 1) im Boden verankerte Verankerungseinheit 24 werden die auf die beiden Pfosten 1 5a, 16a und 1 5b, 16b einwirkende, hangabwärts gerichtete Kräfte durch von den beiden Pfosten zur Verankerungseinheit 24 geführte Verbindungselemente eingeleitet. Die Verbindungselemente umfassen jeweils von einer mittleren Höhe der Vertikalrohre 1 5a bzw. 1 5b zur Verankerungseinheit 24 geführte Diagonalseile 23a bzw. 23b sowie jeweils vom unteren Ende der Vertikalrohre 1 5a bzw. 1 5b zur Verankerungseinheit 24 geführte Horizontalrohre 18a bzw. 18b. Die beiden Bogenstücke 1 6a und 16b sind jeweils mit dem einen Ende mit dem zugehörigen Vertikalrohr 1 5a bzw. 1 5b fest verbunden und liegen auf dem Boden auf. Mit ihrem freien Ende sind sie an dem zugehörigen Horizontalrohr 18a bzw. 18b befestigt. Zusätzlich sind von den Pfosten 15a, 16a bzw. 15b, 16b jeweils seitlich nach aussen abgehende und im Boden verankerte Abspannseile 13a 14a bzw. 13b, 14b vorgesehen.In the uphill arranged and by means of a rearwardly departing anchoring cable (39a and 39b in Fig. 1 ) anchoring unit 24 anchored in the ground, the downwardly directed forces acting on the two posts 1 5a, 16a and 1 5b, 16b are introduced by connecting elements guided from the two posts to the anchoring unit 24. The connecting elements each comprise diagonal cables 23a and 23b, which are guided from an average height of the vertical tubes 1 5a and 1b to the anchoring unit 24, and horizontal tubes 18a and 18b respectively guided from the lower end of the vertical tubes 1a and 1b to the anchoring unit 24. The two curved pieces 1 6a and 16b are each fixedly connected to one end with the associated vertical tube 1 5a and 1 5b and lie on the ground. With their free end they are attached to the associated horizontal pipe 18a and 18b. In addition, from the posts 15a, 16a and 15b, 16b respectively laterally outwardly outgoing and anchored in the ground guy ropes 13a 14a and 13b, 14b provided.

Für die Verbindung der Pfosten mit den Verankerungsmitteln sind an verschiedenen Stellen der Pfosten auf zwei gegenüberliegenden Seiten von den Rohren abstehende Anschlussplatten 19a,b, 20a,b, 21a,b und 22a,b vorgesehen, die beispielsweise aus einem Stahl bestehen und eine Dicke von 30mm aufweisen. An den oberen Anschlussplatten 19a,b greifen nach aussen abgehend die oberen Abspannseile 13a und 13b an, während zwischen den Pfosten und den Anschlussplatten 19a,b ein Seil zum Tragen des Netzes 12 gespannt ist.For the connection of the posts to the anchoring means, connecting plates 19a, b, 20a, b, 21a, b and 22a, b which are made of steel and have a thickness of, for example, are provided at different locations on the posts on two opposite sides 30mm. At the upper connection plates 19a, b engage outwardly outgoing the upper guy ropes 13a and 13b, while between the posts and the connection plates 19a, b, a rope for carrying the net 12 is stretched.

An den mittleren Anschlussplatten 20a,b greifen nach aussen abgehend die mittleren Abspannseile 14a und 14b an, während von diesen Anschlussplatten 20a,b zur Verankerungseinheit 24 jeweils ein Paar parallele Diagonalseile 23a und 23b gespannt ist. Die am unteren Ende der Vertikalrohre 15a und 15b angebrachten Anschlussplatten 21a und 21b dienen der Verbindung mit den Horizontalrohren 18a und 18b.At the middle connection plates 20a, b engage outwardly the middle guy ropes 14a and 14b, while from these connection plates 20a, b to the anchoring unit 24 are each a pair of parallel diagonal ropes 23a and 23b stretched. The terminal plates 21a and 21b attached to the lower end of the vertical tubes 15a and 15b are for connection with the horizontal tubes 18a and 18b.

An den Bogenstücken 16a und 16b sind weitere Anschlussplatten 22a und 22b vorgesehen, zwischen denen ein weiteres Seil zum Halten des Netzes 12 gespannt ist. An den freien Enden der Bogenstücke 16a und 16b ist jeweils eine Doppelplatte 38a bzw. 38b angebracht, die zwischen sich eine Anschlussplatte 17a bzw. 17b aufnimmt, welche die Verbindung zum Horizontalrohr 18a bzw. 18b herstellt. Eine ähnliche Verbindung besteht zwischen den pfostenseitigen Enden der Horizontalrohre 18a und 18b und den Pfosten 15a, 16a und 15b, 16b, wo jeweils eine Doppelplatte 37a bzw. 37b die Anschlussplatte 21a bzw. 21b aufnimmt.At the elbows 16a and 16b further connection plates 22a and 22b are provided, between which another rope for holding the net 12 is stretched. At the free ends of the elbows 16a and 16b, a respective double plate 38a and 38b is mounted, which receives between them a connection plate 17a and 17b, which establishes the connection to the horizontal tube 18a and 18b. A similar connection exists between the post-side ends of the horizontal tubes 18a and 18b and the posts 15a, 16a and 15b, 16b, where each of a double plate 37a and 37b receives the terminal plate 21a and 21b, respectively.

Die Pfosten 15a, 16a bzw. 15b, 16b, die beschriebenen Verankerungsmittel 13a,b, 14a,b 18a,b 23a,b und 24 sowie das (in den Figuren nur angedeutete) Netz 12 sind miteinander lösbar verbunden, so dass die gesamte Netzaufspanneinheit 11 in Einzelteile zerlegt leicht an den (meist unzugänglichen) Aufstellungsort gebracht und dort schnell und sicher aufgebaut und installiert werden kann.The posts 15a, 16a and 15b, 16b, the anchoring means 13a, b, 14a, b, 18a, b, 23a, b and 24 and the net 12 (only indicated in the figures) are detachably connected with each other so that the entire net clamping unit 11 disassembled into individual parts easily brought to the (usually inaccessible) site and there quickly and safely built and installed.

Die in den Figuren 7 bis 10 wiedergegebene Verankerungseinheit 24 umfasst eine in der vertikalen Mittelebene liegende, mit Bohrungen 29 versehene Mittelplatte 25, z.B. aus 30mm dickem Stahl, die zwischen den parallel auslaufenden Enden der Horizontalrohre 18a und 18b angeordnet und mit diesen durch eine Verschraubung mit an den Rohren angeschweissten Platten verbunden ist. Die Mittelplatte 25 ist auf einen aufwärts gekrümmten Bodenrohrbogen 26 aufgesetzt und mit diesem verschweisst. Die Verankerungseinheit 24 sitzt mit dem Bodenrohrbogen 26 auf dem Boden auf. Am hangabwärts liegenden Ende der Mittelplatte 25 ist eine liegende Anschlussplatte 27 mit entsprechenden Bohrungen 30 für die Befestigung der Diagonalseile 23a und 23b angebracht bzw. angeschweisst. Mit der Mittelplatte 25 verschweisst ist weiterhin eine Reihe von horizontalen, seitlich herausstehenden Bolzen 28, die der Verankerung und als Seilbremse dienen, wenn ein Seil, insbesondere das Verankerungsseil 39a,b, in der in Fig. 8 gestrichelt angedeuteten Weise um die Bolzen herumgeführt wird.The in the FIGS. 7 to 10 represented anchoring unit 24 comprises a lying in the vertical center plane, provided with holes 29 central plate 25, for example of 30mm thick steel, which is disposed between the parallel ends of the horizontal tubes 18a and 18b and connected thereto by a screw with welded to the tubes plates , The middle plate 25 is placed on an upwardly curved bottom tube sheet 26 and welded thereto. The anchoring unit 24 is seated with the floor pipe elbow 26 on the floor. At the downstream end of the middle plate 25 is a lying connection plate 27 with corresponding holes 30 for attaching the diagonal ropes 23 a and 23 b attached or welded. Welded to the center plate 25 is also a series of horizontal, laterally protruding bolts 28, which serve as anchoring and as a rope brake when a rope, in particular the anchoring cable 39a, b, in the in Fig. 8 indicated by dashed lines around the bolts.

Die Netze 12 bzw. 1 2a-c selbst sind gemäss Fig. 11 und 12 als Ringnetze aus einer Vielzahl von gleichartigen Netzringen 31 aufgebaut, die jeweils in parallelen Reihen R angeordnet sind. Die Netzringe 31 jeder Reihe R des Netzes 12 bzw. 12a-c sind dabei durch fortlaufende Schlaufenbildung eines Seiles erzeugt, das an den beiden gegenüberliegenden Enden jeweils in einem aus dem Netz 12 bzw. 1 2a-c seitlich herausragenden Seilabschnitt 33a bzw. 33b mit einem am freien Ende ausgebildeten Auge 34a bzw., 34b endet. Die Netzringe 31 benachbarter Reihen R greifen ineinander. Die Netzringe 31 haben beispielsweise einen Ringradius von 60mm und werden durch Edelstahl-Seile von 4mm Durchmesser gebildet und mittels Klemmhülsen 31a,b fixiert, die innerhalb des Netzes eine Bremswirkung erzielen. Das in Fig. 11 beispielhaft dargestellte Netz 12 hat 40 Reihen R mit je 55 Netzringen.The nets 12 and 1 2a-c themselves are according to Fig. 11 and 12 constructed as ring networks of a plurality of similar network rings 31, which are each arranged in parallel rows R. The mesh rings 31 of each row R of the network 12 and 12a-c are generated by continuous looping of a rope, which at the two opposite ends in each case in a laterally projecting from the network 12 and 1 2a-c cable section 33a and 33b an eye formed at the free end 34a and 34b ends. The mesh rings 31 adjacent rows R interlock. The mesh rings 31 have For example, a ring radius of 60mm and are formed by stainless steel ropes of 4mm diameter and fixed by means of clamping sleeves 31a, b, which achieve a braking effect within the network. This in Fig. 11 exemplified network 12 has 40 rows R each with 55 mesh rings.

Die Seilabschnitte 33a bzw. 33b mit dem am freien Ende ausgebildeten Auge 34a bzw., 34b sind Teil einer Seitenbefestigung 32a bzw. 32b. Sie werden um die Vertikalrohre 1 5a und 15b gelegt und mittels eines Karabinerhakens 36a bzw. 36b werden die am Ende angeordneten Augen 34a,b mit zusätzlich am Netz ausgebildeten Augen 35a bzw. 35b verbunden (siehe Fig. 13).The cable sections 33a and 33b with the eye 34a and 34b formed at the free end are part of a side attachment 32a and 32b, respectively. They are placed around the vertical tubes 1 5a and 15b and by means of a snap hook 36a and 36b, respectively, the eyes 34a, b arranged at the end are connected to eyes 35a and 35b which are additionally formed on the mesh (see Fig. 13 ).

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
HangschutzanlageSlope protection system
1111
NetzaufspanneinheitNetzaufspanneinheit
11a,b11a, b
NetzaufspanneinheitNetzaufspanneinheit
1212
Netznetwork
12a-c12a-c
Netznetwork
13a,b13a, b
oberes AbspannseilUpper guy rope
14a,b14a, b
mittleres Abspannseilmiddle guy rope
15a,b15a, b
Vertikalrohrvertical tube
16a,b16a, b
Bogenstückelbow
17a,b17a, b
Anschlussplatte (Bogenstück)Connection plate (bend piece)
18a,b18a, b
HorizontalrohrHorizontal pipe
19a,b19a, b
Anschlussplatte (oberes Randseil)Connection plate (upper edge rope)
20a,b20a, b
Anschlussplatte (Diagonalseil)Connection plate (diagonal cable)
21a,b21a, b
Anschlussplatte (Horizontalrohr)Connection plate (horizontal tube)
22a,b22a, b
Anschlussplatte (unteres Randseil)Connection plate (lower edge rope)
23a,b23a, b
DiagonalseilDiagonal rope
2424
Verankerungseinheitanchoring unit
2525
Mittelplattecenter plate
2626
BodenrohrbogenFloor Elbows
2727
Anschlussplatte (Diagonalseil)Connection plate (diagonal cable)
2828
Bolzenbolt
29,3029.30
Bohrungdrilling
3131
Netzringnetwork ring
31a,b31a, b
Klemmhülsecollet
32a,b32a, b
Seitenbefestigung (Netz)Side attachment (net)
33a,b33a, b
Seilabschnittcable section
34a,b34a, b
Augeeye
35a,b35a, b
Augeeye
36a,b36a, b
Karabinerhakencarabiner
37a,b37a, b
Doppelplatte (Horizontalrohr)Double plate (horizontal tube)
38a,b38a, b
Doppelplatte (Bogenstück)Double plate (elbow)
39a,b39a, b
Verankerungsseilanchor rope
AA
Abstanddistance
RR
Reihe (Netz)Row (network)

Claims (13)

  1. Slope protection installation (10) having at least one mesh mounting unit (11, 11a,b) comprising a first and second post (15a, 16a, 15b, 16b), a mesh (12, 12a, 12c), and anchoring means (13a,b, 14a,b, 18a,b, 23a,b, 24), wherein the two posts (15a, 16a, 15b, 16b) are arranged at a distance (A) from one another, the mesh (12, 12a, 12c) is mounted between the two posts (15a, 16a, 15b, 16b), and the two posts (15a, 16a, 15b, 16b) are anchored with the aid of the anchoring means (13a,b, 14a,b, 18a,b, 23a,b, 24) uphill at a common point in the ground, characterized in that the two posts (15a, 16a, 15b, 16b) are each configured as tubes, and in that the tubes (15a, 16a, 15b, 16b) are each composed of a vertical tube (15a, 15b) and a curved piece (16a, 16b) that adjoins a lower end of the vertical tube (15a, 15b) and is curved upward.
  2. The slope protection installation according to claim 1, characterized in that the tubes (15a, 16a, 15b, 16b) are made of steel.
  3. The slope protection installation according to claim 1, characterized in that the vertical tubes (15a, 15b) are each curved uphill.
  4. The slope protection installation according to claim 1, characterized in that the tubes (15a, 16a, 15b, 16b) are configured and arranged with mirror symmetry to a vertical center plane.
  5. The slope protection installation according to claim 1, characterized in that the anchoring means (13a,b, 14,b, 18a,b, 23a,b, 24) comprise an anchoring unit (24) which is arranged uphill of the two posts (15a, 16a, 15b, 16b) and in a vertical center plane passing through between the two posts (15a, 16a, 15b, 16b), and is anchored in the ground, and into which forces that act on the two posts (15a, 16a, 15b, 16b) and are oriented downhill are introduced through connecting elements (18a,b, 23a,b) guided from the two posts (15a, 16a, 15b, 16b) to the anchoring unit (24).
  6. The slope protection installation according to claim 5, characterized in that the connecting elements (18a,b, 23a,b) comprise diagonal cords (23a, 23b) each guided from a middle height (20a, 20b) of the vertical tubes (15a, 15b) to the anchoring unit (24) and horizontal tubes (18a, 18b) each guided from the lower end (21a, 21b) of the vertical tubes (15a, 15b) to the anchoring unit (24).
  7. The slope protection installation according to claim 6, characterized in that the two curved pieces (16a, 16b) are each fastened with the free end thereof to the associated horizontal tube (18a, 18b).
  8. The slope protection installation according to claim 1, characterized in that the anchoring means (13a,b, 14a,b, 18a,b, 23a,b, 24) additionally comprise bracing cords (13a, b, 14a, b) that each go out laterally from the posts (15a, 16a, 15b, 16b) and are anchored in the ground.
  9. The slope protection installation according to claim 1, characterized in that the mesh (12a, 12a, 12b) is constructed as a plurality of identical mesh rings (31) each arranged in parallel rows (R), wherein the mesh rings (31) of each row (R) are produced by continuous formation of loops of a cord that ends at the two opposite ends, in each case, with an eye (34a, 34b) configured at the free end, in a cord section (33a, 33b) projecting laterally out from the mesh (12, 12a, 12b), and is part of a lateral fastener (32a, 32b), and in that the mesh rings (31) of adjacent rows (R) are interlocked.
  10. The slope protection installation according to claim 9, characterized in that the mesh (12, 12a, 12b) is anchored to the posts (15a, 16a, 15b, 16b) by that the cord sections (33a, 33b) of the lateral fasteners (32, 32b) each forming an eye are guided around the posts (15a, 16a, 15b, 16b).
  11. The slope protection installation according to claim 6, characterized in that the anchoring unit (24) comprises a center plate (25) that lies in the vertical center plane and is arranged between the parallel-running ends of the horizontal tubes (18a, 18b) and is connected thereto, in that the center plate (25) is placed on an upwardly-curved ground tube bend (26), and in that a connecting plate (27) for fastening the diagonal cords (23a, 23b) is mounted at the downhill end of the center plate (25).
  12. The slope protection installation according to claim 1, characterized in that the posts (15a, 16a, 15b, 16b), the anchoring means (13a,b, 14a,b, 18a,b, 23a,b, 24) and the mesh (12, 12a, 12b) are releasably connected to one another.
  13. The slope protection installation according to claim 1, characterized in that a plurality of mesh mounting units (11a, 11b) are arranged at a distance next to one another, and in that an additional mesh (12b) is mounted between the adjacent posts of two adjacent mesh mounting units (11a, 11b).
EP15181286.4A 2014-09-04 2015-08-17 Assembly for the protection of slopes Not-in-force EP2993269B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01343/14A CH710082A1 (en) 2014-09-04 2014-09-04 Slope protection system.

Publications (2)

Publication Number Publication Date
EP2993269A1 EP2993269A1 (en) 2016-03-09
EP2993269B1 true EP2993269B1 (en) 2017-09-27

Family

ID=54540800

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15181286.4A Not-in-force EP2993269B1 (en) 2014-09-04 2015-08-17 Assembly for the protection of slopes

Country Status (2)

Country Link
EP (1) EP2993269B1 (en)
CH (1) CH710082A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113005931B (en) * 2021-04-08 2022-04-12 交通运输部公路科学研究所 Durable type assembled UHPC shed tunnel structure in plateau

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2669047B1 (en) 1990-11-08 1993-01-22 Tetra Sarl DYNAMIC PROTECTION BARRIER.
JP3131566B2 (en) * 1996-08-30 2001-02-05 ファツアー・アーゲー Protective device that catches falling rocks and absorbs its high kinetic energy
JP3413571B2 (en) * 1999-03-02 2003-06-03 有限会社吉田構造デザイン Shock absorbing protective fence and shock absorbing method
CH695104A5 (en) * 2000-11-13 2005-12-15 Fatzer Ag Safety net especially for rockfall barriers
EP1398417A1 (en) 2002-09-12 2004-03-17 AVT Anker + Vorspanntechnik AG Wire panel
DE502004011065D1 (en) * 2003-07-24 2010-06-02 Trumer Schutzbauten Gesmbh Supporting energy absorbing structure
CH697825B1 (en) * 2006-02-01 2009-02-27 Isofer Ag Collecting fence for avalanches rock or felling.
CH698869B1 (en) 2006-06-17 2009-11-30 Fatzer Ag Damping device for a claimed on train rope, especially for rockfall, debris flow and avalanche protection.
CH701591B1 (en) 2007-10-18 2011-02-15 Geobrugg Ag Braking device.
JP5007957B2 (en) * 2008-04-11 2012-08-22 株式会社トーエス Rock fall protection net structure
FR2949480B1 (en) * 2009-09-01 2011-09-23 Heaven Climber Invest H C Invest MODULE FOR PROTECTION BARRIER AGAINST NATURAL HAZARDS AND PROTECTIVE BARRIER
JP4590485B1 (en) * 2009-11-26 2010-12-01 株式会社プロテックエンジニアリング Shock absorber for protective fence network
FR2953228B1 (en) * 2009-11-27 2012-01-20 Heaven Climber Invest H C Invest SCREEN SCREEN
DE202013103524U1 (en) 2013-08-06 2013-08-29 Isofer Ag Posts for a rockfall net and rockfall net

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2993269A1 (en) 2016-03-09
CH710082A1 (en) 2016-03-15

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