EP1205603B1 - Wire netting for protection against rock falls - Google Patents
Wire netting for protection against rock falls Download PDFInfo
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- EP1205603B1 EP1205603B1 EP01811012A EP01811012A EP1205603B1 EP 1205603 B1 EP1205603 B1 EP 1205603B1 EP 01811012 A EP01811012 A EP 01811012A EP 01811012 A EP01811012 A EP 01811012A EP 1205603 B1 EP1205603 B1 EP 1205603B1
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- Prior art keywords
- net
- catchment
- case
- foregoing
- connection elements
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices 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
- E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
- E01F7/045—Devices specially adapted for protecting against falling rocks, e.g. galleries, nets, rock traps
Definitions
- the invention relates to a safety net for Steinschlagverbauonne or the like, with a mesh of intermeshing rings or the like existing network and this holding support means, the network is outside aussenseitg at least two opposite sides of each held at least one edge rope and / or a guy.
- the present invention was based on the basis of this existing safety net the task of developing a safety net according to the type mentioned in such a way that with him higher energies can be absorbed with a relatively low design effort. Furthermore, with this invention, existing built-in safety nets should be retrofitted in order to be able to absorb higher energies in them too. Furthermore, in the event of failure (tearing) of the edge ropes or guy ropes due to overload, it is to be achieved that the overall system nevertheless fulfills its protective task.
- additional connecting elements (25, 45) are provided which connect the net (12, 33) to the suspension element on its outside and / or inside, at least one braking means (27 , 47) is integrated, such that the additional connecting elements load case are variable in their length, so that the resulting energies can be absorbed in case of load, in particular falling into a stone or the like in the network through these additional connecting elements.
- the safety net 10 shows a safety net 10, which is constructed as a so-called gallery and accordingly designed horizontally.
- the safety net 10 has a net 12 which is composed of intermeshing rings 12 '.
- the net 12 is in this case held on the outer longitudinal sides of an edge rope 14, 15 and on the outer narrow sides of supports 16, 17.
- the supports 16, 17 are anchored obliquely outwards in the usual way, approximately vertically extending slopes, rock walls 11, etc. in a position.
- the supports 16 to 19 are additionally held on retaining ropes 21, which are anchored on the one hand at the front end of the support and the other on the rock. They each extend obliquely backwards, with two support ropes 21 each extending to the left or to the right behind from a support, so that these supports are optimally positioned on the rock 11 are attached. Furthermore, lateral guy ropes 22 are still provided in the outer supports 16, 17.
- Safety nets 10 of this kind are usually positioned above railroads, roads, etc., and they have the function of collecting rocks, boulders, wood, such as tree trunks, tree trunks, earth material and / or the like, so that they do not touch the underlying Trasses fall.
- additional connecting elements 25 are provided which connect the net 12 to the outside and / or inside of the carrying means, so that when a stone 23 or the like falls into the net 12, the resulting energies are absorbed.
- the supports 16 to 19 are used as suspension elements.
- the connecting elements 25 could also be attached to the retaining ropes 21, to separate anchors or the like.
- each support 16 to 19 each at the outside end and at the foot end depending on a connecting element 25 with identical dimensions.
- the supports 16, 17 located on the outside are each assigned two, while the inner supports 18, 19 are each assigned a connecting element 25 in both directions at the head and foot ends.
- four such connecting elements are present in each section of the network 12 between the supports.
- the support means could also be equipped with more than four, for example. 8, such fasteners.
- At least one braking means 27, 27 ' is advantageously integrated, which absorbs the resulting tensile and other energies into the network proportionally when the stone or the like falls into it.
- a braking means is explained in the document US-A-5,207,302.
- It is advantageously formed of a ring, which consists for example of a bent metal tube (metal rod), which is connected at one end with a held on the support rope, but at the other end with a held on the net rope.
- the adjacent end portions of the metal tube are also covered by a clamping ring 28.
- the retaining ropes 21 are also equipped with such braking means 29.
- a further advantage according to the invention results from the fact that these connecting elements 25 can easily be replaced by new ones in the event of a damage, if they are broken or at least the rings are stretched. It is almost in this safety net a predetermined breaking or Sollbe employedsstelle generated at a defined energy level, which is easily replaceable. This is done by releasing the same in the suspension element and the network and by a corresponding fastening of new fasteners.
- the network 12 is slidably mounted on the two-sided edge ropes 14, 15 by means of sliding elements 24, in which each Sliding element 24 around a peripheral ring 12 'and around the edge rope 14, 15 is looped.
- connecting elements 25 ensures that the drawn against the impact point ring rows are retained. At the moment when the falling stone falls into the net and pulls it downwards, as can be seen from Fig. 1, the connecting elements 25 are pulled until, in a first stage, the brake rings 27 'are stretched, as shown, and in a second stage tear the fasteners. Thus, a definable proportion of the total required absorption energy can be absorbed.
- FIG. 2 shows an approximately vertically arranged collecting net 30 in a partial view, which, in contrast to that according to FIG. 1, is arranged on a sloping slope and absorbs the material which falls down the slope, such as stones 31.
- the safety net 30 is attached to approximately vertical, provided as a support means supports 34, 38 which are held on retaining ropes 36.
- a network 33 in turn consists of nested rings 33 ', each formed of a plurality of turns of a wire.
- the net 33 is held at the top and bottom by approximately horizontally extending edge ropes 41, 42, wherein on the rings 33 'existing sliding elements 44 turn like a curtain for a possibility of displacement of the network 33 along these edge ropes 41, 42 provide.
- connecting elements 45 are provided, which the net 33 on the one hand on its outer side 45 'and underside and, on the other hand, in its interior 45 "connect to the support 34, 38, two of which are fastened to the support at the upper end and two at the lower end
- the two connecting elements extending into the interior 45" of the network have an approximately equal length and one of them is fixed in the upper half and the other in the lower half of the net.
- the connecting elements 45 in the section of the net in which the stone 31 has impacted are again stretched. Accordingly, the rings of the braking means 47 are each reduced from a diameter of, for example, 25 centimeters in the unloaded condition to a small diameter of a few centimeters.
- Fig.2 can again be taken very clearly that have been moved by the impact of the stone in the network, the ring bundles of the network as in a curtain in rows transversely to the edge ropes 41, 42 out.
- the individual rings on the outside of the net are again slidably held by gliders on the respective edge rope 41, 42 for this purpose.
- the connecting elements 45 have counteracted in the context of the invention this displacement of the ring bundles with a defined resistance.
- FIG. 3 shows a section of a safety net system 50, which has a plurality of connecting elements 52, 53, 54, 56, 57 extending in the same direction and arranged at the same point in the support 51, which in turn are each provided with a braking means 55.
- the one connecting elements 52, 53, 54 engage on the outside of the network 50, while the connecting elements 56, 57 are secured inside the network.
- the latter two connecting elements 56, 57 are located in front of the net rope 59 carrying the net, while this edge rope is arranged behind the support 51 on the valley side.
- the acting in the manner of a shock absorber brake means 55 has at the adjacent ends each a comprehensive clamping ring 55 '.
- connecting elements 52, 53, 54, 56, 57 are each provided with a different length and accordingly secured to the network 58 on the one hand and the other at the same at different locations at defined intervals, so that these connecting elements in a stone fall successively or together absorb energy until they respectively tear.
- additional connecting elements 25, which are fastened at one end to the outer or inner end of the supports 18, 19 and at the other end 25 ", are not illustrated in FIG. 4 in the safety net shown in FIG From the supports 18, 19, two connecting elements each extend in both directions, inside and outside, thus resulting in an increased catching force of the net compared to the embodiment according to FIG Items are safely collected from the net.
- connecting elements depending on the application, in addition to the different lengths according to Figure 3 with different materials and dimensions, so that with them different absorbency, tear strengths or braking effects arise.
- several connecting elements could be mounted parallel and / or serially to each other.
- the safety net according to Fig.1 can of course also be arranged on a sloping slope as a gallery.
- the number or the length and width of the fields, which are formed by the spaced supports, can be adjusted arbitrarily depending on the local conditions.
- the edge ropes could also be realized by a double cable guide, wherein preferably the corresponding brake rings are arranged in the supports.
- the braking means could of course also be designed differently than explained above, for example.
- the connecting elements could be fixed only in the interior of the network and not on the outside thereof, which is not shown in detail.
- the connecting elements could also be arranged on the support means not only at the end, but also at any point, such as in the support center.
- the connecting elements are provided with such a length that they sag somewhat and are not already fully stretched. If a stone falls into the net, it is possible that the net - as shown - can still move like a curtain before these connecting elements are stretched and the network can only be moved to a limited extent.
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Abstract
Description
Die Erfindung betrifft ein Auffangnetz für Steinschlagverbauungen oder ähnlichem, mit einem aus ineinandergreifenden Ringen oder dergleichen bestehendes Netz und dieses haltende Tragmittel, wobei das Netz aussenseitlg an zumindest zwei gegenüberliegenden Seiten von je wenigstens einem Randseil und/oder einem Abspannsell gehalten ist.The invention relates to a safety net for Steinschlagverbauungen or the like, with a mesh of intermeshing rings or the like existing network and this holding support means, the network is outside aussenseitg at least two opposite sides of each held at least one edge rope and / or a guy.
Bei einem gattungsmässigen Auffangnetz nach der Druckschrift EP-A-0 679 437 werden vorerst einzelne Ringe angefertigt, welche aus einem Draht mit mehreren Windungen bestehen. Diese Ringe werden dann von vier weiteren Ringen umgriffen, bis ein sogenanntes Ringnetz entsteht.In a generic fall arrester according to the document EP-A-0 679 437 individual rings are initially made, which consist of a wire with several turns. These rings are then encompassed by four other rings until a so-called ring network is created.
Ein solches Netz hat sich in der Praxis sehr bewährt. Bei einem Aufprall eines Steines oder von Geröll ins Netz kann bei vorausgesetzten Abmessungen des Netzes eine begrenzte Energie absorbiert werden, ohne dass das Netz reisst und das zu stoppende Gestein durchs Netz hindurchfällt.Such a network has proven very successful in practice. In the event of a stone or boulder impacting the net, a limited amount of energy can be absorbed if the dimensions of the net are assumed, without the net breaking and the rock to be stopped falling through the net.
In einem in der Druckschrift US-A-5 435 524 beschriebenen System sind ein Netz. Tragmittel, verankerte Pfosten und Tragselle vorhanden. Es sind ausserdem mitunter U-förmige Bolzen vorgesehen, welche diese Seileinrichtung an jeweiligen Pfosten halten. Auch gewickelte Drähte dienen zum Festhalten des Netzes. Dieses System verfügt aber nur über eine beschränkte Auffangkraft, denn das Netz ist relativ unflexibel an den mehreren Pfosten gehalten und kann daher nur bedingt die bei einem Aufprall eines Steines oder dergleichen entstehenden dynamischen Kräfte aufnehmen.In a system described in US-A-5 435 524 there is a network. Suspension, anchored posts and Tragselle available. It In addition, sometimes U-shaped bolts are provided which hold this cable device to respective posts. Even wound wires are used to hold the net. However, this system has only a limited catching force, because the network is held relatively inflexible to the multiple posts and therefore can only partially absorb the resulting dynamic impact of a stone or the like.
Der vorliegenden Erfindung wurde basierend auf diesem bestehenden Auffangnetz die Aufgabe zugrundegelegt, ein Auffangnetz nach der eingangs erwähnten Gattung derart weiterzubilden, dass mit ihm höhere Energien mit einem relativ geringen konstruktiven Aufwand aufgenommen werden können. Ferner sollen mit dieser Erfindung auch bestehende verbaute Auffangnetze nachrüstbar sein, um bei ihnen ebenfalls höhere Energien absorbieren zu können. Ferner soll beim Versagen (Reissen) der Randseile bzw. Abspannseile infolge Überlast erreicht werden, dass das Gesamtsystem trotzdem seine Schutzaufgabe erfüllt.The present invention was based on the basis of this existing safety net the task of developing a safety net according to the type mentioned in such a way that with him higher energies can be absorbed with a relatively low design effort. Furthermore, with this invention, existing built-in safety nets should be retrofitted in order to be able to absorb higher energies in them too. Furthermore, in the event of failure (tearing) of the edge ropes or guy ropes due to overload, it is to be achieved that the overall system nevertheless fulfills its protective task.
Die Aufgabe ist erfindungsgemäss dadurch gelöst, dass zusätzliche Verbindungselemente (25, 45) vorgesehen sind, welche das Netz (12, 33) an seiner Aussenseite und /oder in seinem Inneren mit dem Tragmittel verbinden, wobei in die Verbindungselemente jeweils mindestens ein Bremsmittel (27, 47) integriert ist, derart, dass die zusätzlichen Verbindungselemente Belastungsfall in ihrer Länge variabel sind, so dass die entstehenden Energien im Belastungsfall, insbesondere beim Hineinfallen eines Steines oder ähnlichem in das Netz durch diese zusätzlichen Verbindungselemente absorbiert werden können.The object is achieved according to the invention in that additional connecting elements (25, 45) are provided which connect the net (12, 33) to the suspension element on its outside and / or inside, at least one braking means (27 , 47) is integrated, such that the additional connecting elements load case are variable in their length, so that the resulting energies can be absorbed in case of load, in particular falling into a stone or the like in the network through these additional connecting elements.
Mit dieser erfindungsgemässen Ausbildung des Auffangnetzes hat sich herausgestellt, dass mit diesen zusätzlichen Verbindungselementen gegenüber den bekannten Netzen eine höhere, bis mehr als 30%, von der durch den Aufprall des Steingutes entstehenden Energie absorbiert werden kann, ohne dass das Netz reisst. Diese Verbindungselemente sind einfach herstellbar und sie können mit einem geringen Aufwand am Tragmittel einerseits und am oder im Netz andererseits befestigt werden.With this inventive design of the safety net has been found that with these additional fasteners over the known networks a higher, up to more than 30%, can be absorbed by the energy resulting from the impact of the earthenware without the network breaks. These fasteners are easy to prepare and they can be attached with a little effort on the support means on the one hand and on or in the network on the other.
Ausführungsbeispiele der Erfindung sowie weitere Vorteile derselben sind nachfolgend anhand der Zeichnung näher erläutert. Es zeigt:
- Fig.1
- eine Frontansicht eines erfindungsgemäss ausgebildeten Auffangnetzes in horizontaler Anordnung als Galerie,
- Fig.2
- eine teilweise Ansicht eines erfindungsgemässen ausgebildeten Auffangnetzes in vertikaler Anordnung,
- Fig.3
- eine teilweise Ansicht einer Variante eines Auffangnetzes, und
- Fig.4
- eine teilweise Frontansicht des Auffangnetzes nach Fig.1. bei dem zusätzliche Verbindungselemente vorgesehen sind.
- Fig.1
- a front view of an inventively designed safety net in a horizontal arrangement as a gallery,
- Fig.2
- a partial view of an inventive trained safety net in a vertical arrangement,
- Figure 3
- a partial view of a variant of a safety net, and
- Figure 4
- a partial front view of the safety net according to Fig.1. in which additional connecting elements are provided.
Fig.1 zeigt ein Auffangnetz 10, welches als sogenannte Galerie gebaut und demgemäss horizontal ausgelegt ist. Das Auffangnetz 10 weist ein Netz 12 auf, welches aus ineinandergreifenden Ringen 12' zusammengesetzt ist. Das Netz 12 ist hierbei an den äusseren Längsseiten an je einem Randseil 14, 15 und an den äusseren Schmalseiten an Stützen 16, 17 gehalten. Die Stützen 16, 17 sind an den an sich üblichen, annähernd vertikal sich erstreckenden Abhängen, Felswänden 11 etc. in einer Lage schräg nach aussen verankert. Es sind zwischen den äusseren Stützen 16, 17 zwei weitere Stützen 18, 19 in gleichen Abständen zueinander im Fels 11 verankert, welche parallel zu den äusseren angeordnet sind und das Netz am vorderen Ende wie auch am Fussende halten. Die Stützen 16 bis 19 sind zusätzlich an Rückhalteseilen 21 gehalten, welche zum einen am vorderen Ende der Stütze und zum anderen am Fels verankert sind. Sie erstrecken sich jeweils schräg nach hinten, wobei von einer Stütze jeweils zwei Rückhalteseile 21 nach links bzw. nach rechts hinten verlaufen, sodass diese Stützen statisch gesehen optimal am Fels 11 befestigt sind. Ferner sind noch bei den äusseren Stützen 16, 17 seitliche Abspannseile 22 vorgesehen.1 shows a safety net 10, which is constructed as a so-called gallery and accordingly designed horizontally. The safety net 10 has a
Auffangnetze 10 dieser Art sind in der Regel oberhalb von Eisenbahnen, Strassen etc. positioniert und es kommt ihnen die Funktion zu, Felsgesteine 23, Geröll, Holz, wie Baumstämme, Baumstrünke, Erdmaterial und/oder ähnliches, aufzufangen, damit diese nicht auf die darunterliegenden Trasses fallen.Safety nets 10 of this kind are usually positioned above railroads, roads, etc., and they have the function of collecting rocks, boulders, wood, such as tree trunks, tree trunks, earth material and / or the like, so that they do not touch the underlying Trasses fall.
Erfindungsgemäss sind zusätzliche Verbindungselemente 25 vorgesehen, welche das Netz 12 an der Aussenseite und/oder in dessen Innerem mit den Tragmitteln verbinden, so dass bei einem Hineinfallen eines Steines 23 oder ähnlichem ins Netz 12 die entstehenden Energien absorbiert werden. Vorliegend werden als Tragmittel die Stützen 16 bis 19 verwendet. Die Verbindungselemente 25 könnten aber auch an den Rückhalteseilen 21, an separaten Ankern oder dergleichen befestigt sein.According to the invention, additional connecting
Es ist für jede Stütze 16 bis 19 jeweils am aussenseitigen Ende und am Fussende je ein Verbindungselement 25 mit identischen Dimensionen vorgesehen. Den auf der Aussenseite befindlichen Stützen 16, 17 sind je zwei, indessen den inneren Stützen 18, 19 in beide Richtungen am Kopf- und am Fussende je ein Verbindungselement 25 zugeordnet. Damit sind in jedem Abschnitt des Netzes 12 zwischen den Stützen je vier solcher Verbindungselemente vorhanden. Selbstverständlich könnten die Tragmittel auch noch mit mehr als vier, bspw. 8, solcher Verbindungselemente bestückt sein.It is provided for each
Hieraus ist gewährleistet, dass an verschiedenen Stellen des Netzes 12 eine Kapazität einer zusätzlichen Energieaufnahme geschaffen worden ist, und demgemäss das Auffangnetz insgesamt im Stande ist, Steine mit bedeutend höherem Gewicht und/oder höheren Energien aufzufangen als dies bei den herkömmlichen Netzen möglich war.From this it is ensured that at various points of the
Beim jeweiligen Verbindungselement 25 ist vorteilhaft mindestens ein Bremsmittel 27, 27' integriert, welches bei einem Hineinfallen eines Steines oder ähnlichem die entstehenden Zug- und andere Energien ins Netz anteilsmässig absorbiert. Ein solches Bremsmittel ist in der Druckschrift US-A-5,207,302 erläutert. Es ist vorteilhaft aus einem Ring gebildet, welcher zum Beispiel aus einem gebogenen Metallrohr (Metallstab) besteht, das am einen Ende mit einem an der Stütze gehaltenen Seil, indessen mit dem anderen Ende mit einem am Netz gehaltenen Seil verbunden ist. Die nebeneinanderliegenden Endbereiche des Metallrohres sind ausserdem von einem Klemmring 28 umfasst. Ferner sind auch die Rückhalteseile 21 noch mit solchen Bremsmitteln 29 bestückt.In the case of the respective connecting
Im gezeigten Zustand sind im mittleren Abschnitt des Netzes 12 die Verbindungselemente 25 und mit ihnen die Bremsmittel 27', in den der Stein 23 hineingefallen ist, gestreckt, d.h. deren Ringe sind entsprechend kleiner geworden. Bei einer entsprechend höheren Belastung reissen diese eine Sollbruchstelle bildenden Ringe.In the state shown, in the central portion of the
Ein weiterer Vorteil nach der Erfindung ergibt sich dadurch, dass diese Verbindungselemente 25 bei einem Schadensereignis problemlos durch neue ersetzt werden können, wenn diese gerissen oder zumindest die Ringe gestreckt sind. Es wird quasi in diesem Auffangnetz eine Sollbruch- oder Sollbeschädigungsstelle bei einem definierten Energieniveau erzeugt, die leicht ersetzbar ist. Dies geschieht durch ein Lösen derselben beim Tragmittel und beim Netz und durch ein entsprechendes Befestigen von neuen Verbindungselementen.A further advantage according to the invention results from the fact that these connecting
Sehr vorteilhaft ist das Netz 12 an den beidseitigen Randseilen 14, 15 mittels Gleitelementen 24 verschiebbar angebracht, bei denen jedes Gleitelement 24 um einen randseitigen Ring 12' und um das Randseil 14, 15 geschlauft ist.Very advantageously, the
Durch diese Anordnung entsteht im Rahmen der Erfindung ein weiterer erheblicher Vorteil, als bei einem Aufprall des Steines in das Netz die Ringbündel in Reihen 12" wie bei einem Vorhang quer zu den Randseilen gegen die Stelle beim Aufprall hin verschoben werden und hieraus eine erhöhte Festigkeit des Netzes im Aufprallbereich entsteht.By this arrangement arises in the context of the invention, a further significant advantage, as in a collision of the stone in the network, the ring bundles are moved in
Durch die Verbindungselemente 25 wird erreicht, dass die gegen die Aufprallstelle gezogenen Ringreihen zurückgehalten werden. In dem Moment, wo der fallende Stein ins Netz fällt und dieses nach unten zieht, wie aus Fig.1 ersichtlich ist, werden die Verbindungselemente 25 gezogen, bis in einer ersten Stufe die Bremsringe 27' gestreckt, wie dargestellt, und in einer zweiten Stufe die Verbindungselemente reissen. Damit kann ein definierbarer Anteil der gesamten erforderlichen Absorptionsenergie aufgenommen werden.By the connecting
Fig.2 zeigt ein annähernd vertikal angeordnetes Auffangnetz 30 in teilweiser Ansicht, welches im Unterschied zu demjenigen nach Fig.1 an einem Schräghang angeordnet ist und den Hang herunterstürzendes Material, wie zum Beispiel Steine 31, auffängt. Das Auffangnetz 30 ist an annähernd vertikalen, als Tragmittel vorgesehenen Stützen 34, 38 befestigt, die an Rückhalteseilen 36 gehalten sind. Ein Netz 33 besteht wiederum aus ineinander geschlauften Ringen 33', die jeweils aus mehreren Windungen eines Drahtes gebildet sind. Das Netz 33 ist oben und unten von annähernd horizontal verlaufenden Randseilen 41, 42 gehalten, wobei an den Ringen 33' vorhandene Gleitelemente 44 wiederum wie bei einem Vorhang für eine Verschiebemöglichkeit des Netzes 33 entlang diesen Randseilen 41, 42 sorgen.2 shows an approximately vertically arranged collecting net 30 in a partial view, which, in contrast to that according to FIG. 1, is arranged on a sloping slope and absorbs the material which falls down the slope, such as
Erfindungsgemäss sind Verbindungselemente 45 vorgesehen, welche das Netz 33 zum einen aussenseitig an seiner Ober- 45' bzw. Unterseite und zum andern in seinem Innern 45" mit der Stütze 34, 38 verbinden, wobei an dieser Stütze je zwei am oberen Ende und zwei am unteren Ende befestigt sind. Die beiden sich ins Innere 45" des Netzes erstrekkenden Verbindungselemente weisen eine annähernd gleiche Länge auf und das eine von ihnen ist in der oberen bzw. das andere in der unteren Hälfte des Netzes befestigt. Die Verbindungselemente 45 im Abschnitt des Netzes, in dem der Stein 31 hineingeprallt ist, sind wiederum gestreckt. Dementsprechend sind die Ringe der Bremsmittel 47 jeweils von einem Durchmesser von bspw. 25 Zentimetern im unbelasteten Zustand auf einen kleinen Durchmesser von ein paar Zentimetern reduziert.According to the
In Fig.2 kann wiederum sehr anschaulich entnommen werden, dass durch den Aufprall des Steines in das Netz die Ringbündel des Netzes wie bei einem Vorhang reihenweise quer zu den Randseilen 41, 42 hin verschoben worden sind. Die einzelnen Ringe auf der Aussenseite des Netzes sind zu diesem Zwecke wiederum über Gleiter an dem jeweiligen Randseil 41, 42 verschiebbar gehalten. Die Verbindungselemente 45 haben im Sinne der Erfindung diesem Verschieben der Ringbündel mit einem definierten Widerstand entgegengewirkt.In Fig.2 can again be taken very clearly that have been moved by the impact of the stone in the network, the ring bundles of the network as in a curtain in rows transversely to the
Fig.3 zeigt einen Ausschnitt eines Auffangnetz-Systemes 50, welches mehrere in gleicher Richtung sich erstreckende und an gleicher Stelle bei der Stütze 51 angeordnete Verbindungselemente 52, 53, 54, 56, 57 aufweist, welche wiederum mit jeweils einem Bremsmittel 55 ausgestattet sind. Die einen Verbindungselemente 52, 53, 54 greifen an der Aussenseite des Netzes 50 an, indessen die Verbindungselemente 56, 57 innen am Netz befestigt sind. Bezüglich der Bildebene sind die beiden letzteren Verbindungselemente 56, 57 vor dem das Netz tragenden Randseil 59, derweil dieses Randseil hinter der Stütze 51 talseitig angeordnet ist. Das in der Art eines Stossdämpfers wirkende Bremsmittel 55 hat an den nebeneinander liegenden Enden je einen diese umfassenden Klemmring 55'. Die von der Stütze 51 ausgehenden Verbindungselemente 52, 53, 54, 56, 57 sind jeweils mit einer unterschiedlichen Länge versehen und demgemäss am Netz 58 zum einen aussenseitig und zum andern innerhalb desselben an unterschiedlichen Stellen in definierten Abständen befestigt, so dass diese Verbindungselemente bei einem Steinfall nacheinander bzw. miteinander Energie aufnehmen, bis sie jeweils reissen.3 shows a section of a
Bei einem Steinschlag wird vorerst das Netz senkrecht zu seiner Längsausdehnung gestreckt und hierbei die einzelnen quer zur Längsausdehnung verlaufenden Ringreihen nacheinander in Richtung gegen die Aufprallstelle hin gezogen. Sobald die Reihe, bei der aussen ein Verbindungselement 54 angreift, gezogen wird, bewirken die beidseitig angeordneten Verbindungselemente ein Zurückhalten der Ringreihen, bis ihre Bremsringe gestreckt und in der Folge reissen, so dass die nächsten Verbindungselemente 53 zum Einsatz kommen, da die Ringreihen weitergezogen werden.In a rockfall initially the network is stretched perpendicular to its longitudinal extent and in this case the individual transverse to the longitudinal extension ring rows pulled successively in the direction against the impact point out. As soon as the row in which a connecting
In Fig.4 sind noch in einer Variante bei dem an sich in Fig.1 dargestellten Auffangnetz 10 zusätzliche Verbindungselemente 25 verdeutlicht, welche am einen Ende am äusseren bzw. am inneren Ende der Stützen 18, 19 befestigt und am anderen Ende 25" nicht an der Aussenseite, sondern im Netz befestigt sind. Von den Stützen 18, 19 gehen jeweils in beide Richtungen innen- und aussen je zwei Verbindungselemente weg. Damit ergibt sich gegenüber der Ausführung nach Fig.1 eine erhöhte Auffangkraft des Netzes, d.h. es können noch schwerere Gegenstände sicher vom Netz aufgefangen werden.4, additional connecting
Die Erfindung ist mit den obigen Ausführungsbeispielen ausreichend dargetan. Selbstverständlich könnte sie noch in anderen Varianten erläutert sein.The invention is sufficiently demonstrated with the above embodiments. Of course, it could still be explained in other variants.
So könnten die Verbindungselemente je nach der Anwendung nebst den unterschiedlichen Längen gemäss Fig.3 auch mit unterschiedlichen Materialien und Dimensionen versehen sein, so dass mit ihnen verschiedene Absorptionsvermögen, Reissfestigkeiten oder Bremswirkungen entstehen. Im Prinzip könnten auch mehrere Verbindungselemente parallel und/oder seriell zueinander montiert sein.Thus, the connecting elements, depending on the application, in addition to the different lengths according to Figure 3 with different materials and dimensions, so that with them different absorbency, tear strengths or braking effects arise. In principle, several connecting elements could be mounted parallel and / or serially to each other.
Das Auffangnetz gemäss Fig.1 kann selbstverständlich auch an einem schrägen Abhang als Galerie angeordnet sein. Die Anzahl bzw. die Länge und Breite der Felder, die von den beabstandeten Stützen gebildet sind, lassen sich je nach den örtlichen Gegebenheiten beliebig anpassen.The safety net according to Fig.1 can of course also be arranged on a sloping slope as a gallery. The number or the length and width of the fields, which are formed by the spaced supports, can be adjusted arbitrarily depending on the local conditions.
Die Randseile könnten auch durch eine Doppelseilführung realisiert sein, wobei vorzugsweise bei den Stützen die entsprechenden Bremsringe angeordnet sind.The edge ropes could also be realized by a double cable guide, wherein preferably the corresponding brake rings are arranged in the supports.
Auch die Bremsmittel könnten selbstverständlich auch anders als oben erläutert ausgebildet sein, bspw. durch an sich bekannte Reibungselemente.The braking means could of course also be designed differently than explained above, for example. By known per se friction elements.
Im Prinzip könnten die Verbindungselemente nur im Innern des Netzes und nicht an der Aussenseite desselben befestigt sein, was nicht näher dargestellt ist. Die Verbindungselemente könnten auch an dem Tragmittel nicht nur endseitig, sondern auch an einer beliebigen Stelle angeordnet sein, wie zum Beispiel in der Stützenmitte.In principle, the connecting elements could be fixed only in the interior of the network and not on the outside thereof, which is not shown in detail. The connecting elements could also be arranged on the support means not only at the end, but also at any point, such as in the support center.
Im unbelasteten Zustand des Netzes sind die Verbindungselemente mit einer solchen Länge versehen, dass sie etwas durchhängen und nicht bereits voll gestreckt sind. Wenn nun ein Stein in das Netz fällt, wird hieraus ermöglicht, dass sich das Netz - wie dargestellt - noch vorhangartig verschieben kann, bevor diese Verbindungselemente gestreckt sind und sich das Netz nur noch beschränkt verschieben lässt.In the unloaded state of the network, the connecting elements are provided with such a length that they sag somewhat and are not already fully stretched. If a stone falls into the net, it is possible that the net - as shown - can still move like a curtain before these connecting elements are stretched and the network can only be moved to a limited extent.
Claims (9)
- Catchment net for rockfall catchment systems or the like, with a net (12, 33) consisting of mutually-engaging rings (12', 33') or the like, and carrying means supporting said net, whereby the net (12, 33) is retained in position on the outside on at least two mutually-opposing sides by at least one peripheral cable (14, 15, 41, 42) and/or one tensioning cable (22) in each case,
characterised in that
additional connection elements (25, 45) are provided for, which connect the net (12, 33) at its outside and/or its inside to the carrying means, whereby at least one breaking means (27, 47) is integrated in the connection elements in each case, such that the additional connection elements are variable in their length in case of load, so that the incurred energies can be absorbed by these additional connection elements in case of load, in particular if a rock or the like falls into the net. - Catchment net according to Claim 1, characterised in that the braking means (27, 27', 47) consists of a ring, which is formed, for example, from a metal tube, which is connected at one end to a cable retained by the carrying means, while the other end is connected to a cable held by the net (12, 33), whereby the adjacent end areas of the metal tube are further encompassed by a clamping ring (28).
- Catchment net according to one of the foregoing Claims 1 to 2, characterised in that the net (12) is retained on the outside, on at least two mutually-opposed sides by at least one peripheral cable (14, 15) in each case in such a way that it can be displaced in the manner of a curtain with its rings (12') or the like, along these peripheral cables (14, 15).
- Catchment net according to one of the foregoing Claims 1 to 3, characterised in that several connection elements (52, 53, 54, 56, 57) leave from one carrying means in each case, which feature different lengths and are them secured to the net (58) at different points at defined intervals from one another, with the result that these connection elements (52, 53, 54, 56, 57) will, in the event of a rock falling into the net, absorb energy one after another or with one another, until they tear.
- Catchment net according to one of the foregoing Claims 1 to 4, characterised in that for each carrying means, at least one connection element (25) is secured to its outer end and to the foot end.
- Catchment net according to one of the foregoing Claims 1 to 5, characterised in that the connection elements (25, 45) are in each case secured at one end to the retaining means and at the other end (25", 45"), in the interior of the net, to at least one ring (12', 33') or the like.
- Catchment net according to one of the foregoing Claims 1 to 6, characterised in that, at the net (10), at least one connection element (25) in each case engages between two carrying means on both the outer sides, and in each case at least two in the interior of the net, per carrying means.
- Catchment net according to one of the foregoing Claims 1 to 7, characterised in that the connection elements (25, 45) are secured to the net in pairs, for preference symmetrically to the centre of the net.
- Catchment net according to one of the foregoing Claims 1 to 8, characterised in that the support elements, retention cables or separate anchors are usable as carrying means.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH22062000 | 2000-11-13 | ||
| CH22062000 | 2000-11-13 | ||
| CH01055/01A CH695104A5 (en) | 2000-11-13 | 2001-06-12 | Safety net especially for rockfall barriers |
| CH10552001 | 2001-06-12 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1205603A2 EP1205603A2 (en) | 2002-05-15 |
| EP1205603A3 EP1205603A3 (en) | 2004-09-15 |
| EP1205603B1 true EP1205603B1 (en) | 2006-01-11 |
Family
ID=25738882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01811012A Revoked EP1205603B1 (en) | 2000-11-13 | 2001-10-16 | Wire netting for protection against rock falls |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6592103B2 (en) |
| EP (1) | EP1205603B1 (en) |
| JP (1) | JP3833103B2 (en) |
| AT (1) | ATE315686T1 (en) |
| CA (1) | CA2360744C (en) |
| CH (1) | CH695104A5 (en) |
| DE (1) | DE50108664D1 (en) |
| ES (1) | ES2254353T3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3550077A1 (en) | 2018-04-05 | 2019-10-09 | Desnivel Agranaltura, S.A. | Support structure for a dynamic rockfall barrier |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4560223B2 (en) * | 2001-03-01 | 2010-10-13 | 日本ゼニスパイプ株式会社 | Rock fall absorber |
| FR2839322B1 (en) * | 2002-05-06 | 2004-06-11 | Geotechnique Et Travaux Specia | MESH STRUCTURE FORMED BY KNITTING OF METAL CABLES |
| DE20304615U1 (en) * | 2003-03-22 | 2003-08-21 | Herold Andreas | Stone chip protection device |
| ITMI20031601A1 (en) * | 2003-08-04 | 2005-02-05 | Italgeo S R L | WIRE RING NET, PARTICULARLY FOR BARRIERS PARAMASES AND ROCKY WALL COVERINGS, AS WELL AS PROCEDURE FOR THE CONSTRUCTION OF THE NETWORK. |
| CH696469A5 (en) * | 2003-09-10 | 2007-06-29 | Fatzer Ag | Safety net, especially for rockfall barriers. |
| CH697096A5 (en) * | 2004-06-08 | 2008-04-30 | Fatzer Ag | Safety net, especially for rockfall protection or for verge securing. |
| WO2006047214A2 (en) * | 2004-10-21 | 2006-05-04 | Igf Oncology, Llc | Toxins and radionuclides coupled to igf-1 receptor ligands for treatment of cancer |
| CH697825B1 (en) * | 2006-02-01 | 2009-02-27 | Isofer Ag | Collecting fence for avalanches rock or felling. |
| AT502680B1 (en) * | 2006-07-31 | 2007-05-15 | Cordt Gerhard Dipl Ing Dr | Protection device for use in gulley, for e.g. snow, sliding from higher location, has supporting device with bars, which run transverse to mass flow and are transferred from locking position to downstream lying opened position |
| JP5479677B2 (en) * | 2007-12-17 | 2014-04-23 | 東亜グラウト工業株式会社 | Protective fence system for slopes |
| JP4808226B2 (en) * | 2008-02-06 | 2011-11-02 | 株式会社プロテックエンジニアリング | Shock absorbing fence |
| FR2953228B1 (en) * | 2009-11-27 | 2012-01-20 | Heaven Climber Invest H C Invest | SCREEN SCREEN |
| CN101967802B (en) * | 2010-07-30 | 2012-07-04 | 陈洪凯 | Energy-dissipating hangar tunnel and energy-dissipating supporting base thereof |
| ES2525070T3 (en) * | 2011-02-17 | 2014-12-17 | Trumer Schutzbauten Gesmbh | Protection against falling stones |
| CH706178B1 (en) | 2012-02-24 | 2016-02-15 | Geobrugg Ag | Network, in particular for the protection, safety, Gewässerzucht- or architectural field, as well as an apparatus for manufacturing of the network. |
| WO2013175383A1 (en) * | 2012-05-21 | 2013-11-28 | Jansen Van Rensburg David | Slope design |
| WO2015092829A1 (en) * | 2013-12-17 | 2015-06-25 | 株式会社プロテックエンジニアリング | Guard fence |
| CH710082A1 (en) * | 2014-09-04 | 2016-03-15 | Jakob Ag | Slope protection system. |
| CH710263A2 (en) * | 2014-10-16 | 2016-04-29 | Geobrugg Ag | Safety net especially for rockfall or avalanche barriers. |
| JP6689697B2 (en) * | 2016-07-21 | 2020-04-28 | Ｊｆｅ建材株式会社 | Rockfall protection device |
| US20220154417A1 (en) * | 2017-03-06 | 2022-05-19 | Real Innovations Australia Pty Ltd | Rib, wall, slope and roof safety system |
| JP6550185B1 (en) * | 2018-11-01 | 2019-07-24 | 株式会社四国ネット | Strut, upper row horizontal rope and suspension rope in pocket type rock fall protection network |
| CN110322719B (en) * | 2019-07-12 | 2020-11-20 | 日照安泰科技发展有限公司 | Internet of vehicles ITS system is with supplementary monitoring feedback mechanism |
| DE102020101985A1 (en) * | 2020-01-28 | 2021-07-29 | Geobrugg Ag | Energy absorption device, support, rope brake, protective netting and procedures |
| CN115354667A (en) * | 2022-09-05 | 2022-11-18 | 上海市政工程设计研究总院（集团）有限公司 | Protection method for super-close distance implementation open excavation and overpass structure of subway shield in liquefied soil |
| JP7377582B1 (en) | 2023-05-26 | 2023-11-10 | 株式会社プロテックエンジニアリング | shock absorbing fence |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE957223C (en) * | 1954-10-15 | 1957-01-31 | Hans Rieger | Avalanche net |
| CH676259A5 (en) * | 1988-10-12 | 1990-12-28 | Isofer Ag | |
| ES2053311T3 (en) | 1990-12-31 | 1994-07-16 | Fatzer Ag | DEVICE FOR SHOCK ABSORBING FOR A CABLE REQUESTED TO TRACTION, IN CASE OF FALLING STONES AND SNOW ACCUMULATIONS. |
| US5395105A (en) * | 1993-11-05 | 1995-03-07 | Thommen, Jr.; Robert A. | Safety net system |
| US5435524A (en) * | 1993-12-06 | 1995-07-25 | Ingram; L. Howard | Impact fence |
| US5961099A (en) * | 1998-01-23 | 1999-10-05 | Brugg Cable Products, Inc. | Safety net system for debris and mud slides |
-
2001
- 2001-06-12 CH CH01055/01A patent/CH695104A5/en not_active IP Right Cessation
- 2001-10-16 DE DE50108664T patent/DE50108664D1/en not_active Expired - Lifetime
- 2001-10-16 ES ES01811012T patent/ES2254353T3/en not_active Expired - Lifetime
- 2001-10-16 AT AT01811012T patent/ATE315686T1/en active
- 2001-10-16 EP EP01811012A patent/EP1205603B1/en not_active Revoked
- 2001-10-31 CA CA002360744A patent/CA2360744C/en not_active Expired - Fee Related
- 2001-11-07 US US09/986,072 patent/US6592103B2/en not_active Expired - Fee Related
- 2001-11-12 JP JP2001345617A patent/JP3833103B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3550077A1 (en) | 2018-04-05 | 2019-10-09 | Desnivel Agranaltura, S.A. | Support structure for a dynamic rockfall barrier |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3833103B2 (en) | 2006-10-11 |
| ES2254353T3 (en) | 2006-06-16 |
| EP1205603A3 (en) | 2004-09-15 |
| EP1205603A2 (en) | 2002-05-15 |
| ATE315686T1 (en) | 2006-02-15 |
| JP2002161515A (en) | 2002-06-04 |
| CA2360744A1 (en) | 2002-05-13 |
| CH695104A5 (en) | 2005-12-15 |
| US20020056834A1 (en) | 2002-05-16 |
| CA2360744C (en) | 2009-03-31 |
| DE50108664D1 (en) | 2006-04-06 |
| US6592103B2 (en) | 2003-07-15 |
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