EP2535463A1 - Modular pre-fabricated retaining wall, concrete retaining wall comprising same and method for erecting the retaining wall - Google Patents

Modular pre-fabricated retaining wall, concrete retaining wall comprising same and method for erecting the retaining wall Download PDF

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Publication number
EP2535463A1
EP2535463A1 EP11004956A EP11004956A EP2535463A1 EP 2535463 A1 EP2535463 A1 EP 2535463A1 EP 11004956 A EP11004956 A EP 11004956A EP 11004956 A EP11004956 A EP 11004956A EP 2535463 A1 EP2535463 A1 EP 2535463A1
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EP
European Patent Office
Prior art keywords
wall
elements
concrete
foundation
holding
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EP11004956A
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German (de)
French (fr)
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EP2535463B1 (en
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Joachim Glatthaar
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2/8611—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf
    • E04B2/8617—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf with spacers being embedded in both form leaves

Definitions

  • the invention relates to a modular precast support wall for placement on a concrete foundation, a retaining wall made of the elements of the precast support wall and a method for producing such a retaining wall.
  • the present invention seeks to propose a way to create a support wall made of industrially prefabricated concrete components at the site quickly, easily and inexpensively.
  • the modular prefabricated support wall comprises at least one vertically arranged reinforced concrete wall-mounted wall element for supporting the earth, with at least one wall element made of reinforced concrete which can be vertically arranged, has a central cavity, can be filled with in-situ concrete and can be connected to the wall element to remove horizontal forces.
  • the at least one wall element with the at least one wall holding element is configured for placement on a concrete foundation.
  • the wall element may be formed as a solid or hollow wall element and have different lengths and heights.
  • the lower edge of the wall element may be arranged at right angles and / or at a different angle to the side edges and extend in a straight line or stepped manner between the side edges of the wall element.
  • the upper edge can be arbitrarily shaped and arranged.
  • the Wandhaftelement is adjusted in height to the height dimension of the wall element. Its height is typically 30 to 40 cm less than the height of the wall element.
  • the length of the wall holding element is dependent on the height of the wall element, its width is preferably the same for all variants provided.
  • the wall holding element which has a cavity which can be filled with in-situ concrete, is preferably designed as a double-shell concrete hollow wall which is open at the top and whose shells are connected to one another by means of a reinforcement.
  • the wall elements have special strip-shaped connection areas for the wall holding elements. These can be provided at any position of the wall elements and extend in the vertical direction such that the wall holding elements can be attached at least down and up to such a wall element. Thus, a corresponding number of wall holding elements can be used to support a wall element.
  • the connecting portions of the wall elements may be located directly on the vertical edges of the wall elements or at a suitable distance therefrom.
  • the wall elements with their at least one wall-holding element can be arranged side by side in the longitudinal direction, so that concrete retaining walls can be erected using any length of wall elements of the same or different lengths.
  • connection reinforcing elements projecting from the flat side.
  • the connection reinforcement elements are preferably arranged on the two vertical edges of the wall elements and have a typical distance of several centimeters from the corresponding vertical edges of the wall elements.
  • the connection reinforcement elements continue in the interior of the wall elements, preferably in the longitudinal direction of the wall element.
  • the wall holding element is formed closed on the end face associated with the earth load and has on the wall element associated end face at least one passage opening for connection to the wall element. This can be done in that the passage opening extends over the entire height and width of the cavity-thus the wall holding element is U-shaped-or the end face a wall with a number of Has passage openings for protruding from the wall element connecting reinforcement elements.
  • the cavity or the passage openings are designed to the cavity of the wall holding member having a width which is larger compared to the distance from adjacent connection reinforcement elements of successive wall elements.
  • the connection reinforcement elements projecting from the wall element can extend through the at least one passage opening into the cavity of the wall holding elements when the wall holding elements with the end face having the passage opening are in abutment with the connecting reinforcement elements arranged thereon at the connection areas of the wall elements.
  • the at least one provided for connection to the wall element wall holding element is open at the bottom, so that projecting over the concrete foundation reinforcing elements extend into the cavity of the wall holding element as soon as the wall holding element is placed on the concrete foundation.
  • the wall-holding element is not only shear and tensile strength connected via the connection reinforcement with the wall element, but also shear-resistant over the protruding into the cavity from below connection reinforcement element with the concrete foundation. Due to its weight after pouring, the wall holding element is also extremely stable.
  • the at least one wall-holding element has a length which corresponds to 40 to 50% of the height of the associated wall elements.
  • the width of the wall holding element is typically between 30 and 50 cm. However, it is variable. It goes without saying that the length and the width of the foundation strips of the concrete foundations correspond to the corresponding dimensions of the concrete foundation Wandhatte iatas are to be adapted, so that the wall holding element can be completely supported with its underside on the concrete foundation.
  • the length of the foundation strips also allows the support of the lateral edges of the wall elements.
  • the wall element may be a solid concrete wall element or a pourable with in-situ concrete hollow wall element with or without visible natural stone composite on the ground facing away from the flat side.
  • the concrete retaining wall according to the invention is made of a prefabricated modular supporting wall with one or more of the features described above. Accordingly, it has at least one vertically arranged, reinforced, concrete wall-type wall element for ground support with at least one vertical cavity, with in-situ concrete fillable with in-situ concrete, with the wall element transversely connectable wall support element made of reinforced concrete for the removal of horizontal forces in the soil.
  • the modular prefabricated support wall is configured for placement on a concrete foundation.
  • the at least one wall element and the at least one associated wall holding element stand on the concrete foundation.
  • the wall holding element is supported with its underside completely on the concrete foundation, while the wall element is preferably only in the region of the wall holding element on the concrete foundation in Appendix.
  • the wall element is filled with in-situ concrete, on the one hand to increase its mass and on the other hand to produce an intimate connection with the reinforcements of the concrete foundation and the connection reinforcement of the wall element in a simple way.
  • the concrete foundation is designed as a strip foundation whose foundation strips are arranged in a grid corresponding to the length of the wall elements.
  • the foundation strips extend parallel to each other, at least with approximately aligned leading edges.
  • the wall elements become transverse to the longitudinal direction of the foundation strips near the front edges and the wall holding elements in the longitudinal direction of the foundation strips arranged that the open end face of the wall-holding element is in contact with the flat side provided for supporting the soil.
  • the wall retaining elements are jointly arranged on two abutting edges of adjacent wall elements, the two edges and the connecting reinforcement elements projecting from the respective wall element at the edges.
  • the two successive wall elements indirectly connected to each other via the wall holding element securely.
  • the wall-holding elements are flush or recessed with respect to the corresponding edge of the wall element receiving the projecting reinforcing elements arranged.
  • antifreeze gravel is piled laterally in front of and / or behind the at least one wall element to prevent frost damage.
  • the antifreeze gravel layer may extend below the respective wall element.
  • the advantages of the invention lie in the industrial inexpensive prefabrication of the wall elements and the wall holding elements and the simple connection with each other and with the concrete foundations at the site.
  • the concrete retaining wall can be quickly and easily created at the place of construction without special skilled workers. In addition, there is no formwork and demoulding work. Another advantage is that the proposed concrete retaining wall can already be backfilled shortly after the creation.
  • the FIG. 1 shows a concrete retaining wall 1 according to the invention in a side view, which is composed of wall elements 2 and wall holding elements 3.
  • the illustrated concrete retaining wall 1 comprises three wall elements 2 and four wall retaining elements 3, which are arranged upright on a strip foundation 4 made of concrete.
  • the strip foundation 4 consists of four foundation strips 5, which extend parallel to each other in a certain of the length of the wall elements 2 grid.
  • the wall elements 2 stand with vertical lateral edges 6 on the foundation strip 5.
  • At the foundation strip 5 are also the wall holding elements 3, which are at the end of the wall elements 2 in Appendix.
  • the wall holding elements 3 overlap the two edges 6 together, while in the region of non-abutting edges 6 the wall holding elements 3 are flush with the outer vertical edge 7 of the wall elements 2.
  • the strip foundation 4 is arranged in this embodiment on a laterally sloping bottom surface 8, wherein the foundation strips 5 are arranged graduated according to the lateral inclination of the bottom surface 8.
  • the lower edge 9 of the wall elements 2 is stepped according to the height difference of the foundation strips 5.
  • a frost protection gravel layer 10 is arranged on the side facing away from the supporting soil of the concrete retaining wall 1.
  • FIG. 2 shows the concrete retaining wall 1 from FIG. 1 in a vertical longitudinal section in the region of a wall holding element 3 with a view towards the flat side of the wall holding element.
  • the illustrated concrete retaining wall 1 is not backfilled with soil or the like. It can be seen that the wall holding element 3 with the wall element 2 via a connection reinforcement 1 1 connected is.
  • the connection reinforcement 11 is, like the FIG. 3 can be seen, formed angled. It was in the manufacture of the wall element 2 of reinforced concrete with embedded in the concrete such that the connection reinforcement 11 at an angle, in particular orthogonal projecting from the earth load receiving flat side 12 at the vertical edges 6.
  • the wall holding element 3 shows, moreover, that the wall holding element 3 has a cavity 13 filled with in-situ concrete 16, into which the connecting reinforcement 11 extends at an end face 15 having a passage opening 14 into the cavity 13.
  • the wall holding element 3 is prefabricated as a double-shell hollow concrete wall element and poured out after being joined to the wall element 2 with the in-situ concrete 16 in such a way that the connecting reinforcement elements 11 protruding from the flat side 12 of the wall element 2 are completely embedded in the in-situ concrete 16.
  • the wall holding element 3 is, like the FIG. 4 can be seen, open at the bottom, wherein the strip foundation 4 can be seen with reinforcing elements 17 which protrude over the FundamenistMail 5 into the cavity 13 of the wall holding element 3.
  • the outgoing from the foundation strip 5 reinforcing elements 17 are embedded in the in-situ concrete 16 of the wall-holding element 3.
  • the wall element 2 is force-transmitting connected to the strip foundation 4.
  • the wall elements 2 have a height of about 2 m and a length of about 4.25 m.
  • the foundation strips 5 have a typical width of 50 cm and the wall holding elements 3 a typical width of 40 cm.
  • the height of the wall holding elements 3 is adapted to the height of the Wandelemerrte 2 and is about 160 cm.
  • the length of the wall holding element 3 is also dependent on the size of the wall element 2 used. It is about 100 cm in this case.
  • a U-shaped in cross-section wall holding element 3 is used. Before pouring the wall holding element 3, this is fixed to the wall elements 2 for fixing the position with suitable releasable holding means, for example angles.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Retaining Walls (AREA)

Abstract

The retaining wall comprises vertically arranged armored tabular wall element (2) made of concrete for earth support perpendicular to wall element. A wall retaining element (3) has central cavity (13) that is filled with in situ concrete (16), which is connected to the wall element for ablation of horizontal forces. The wall elements with its wall retaining elements are connected to each other in the longitudinal direction. An independent claim is included for process for producing concrete retaining wall.

Description

Die Erfindung betrifft eine modulare Fertigteilstützwand zur Anordnung auf einem Betonfundament, eine aus den Elementen der Fertigteilstützwand hergestellte Stützmauer sowie ein Verfahren zur Herstellung einer derartigen Stützmauer.The invention relates to a modular precast support wall for placement on a concrete foundation, a retaining wall made of the elements of the precast support wall and a method for producing such a retaining wall.

Innerhalb des bekannten Standes der Technik existieren zahlreiche Verfahren, eine Stützmauer zur Erdabstützung zu erstellen. Zum einen besteht die Möglichkeit, Betonstützmauern direkt auf der Baustelle am vorgesehenen Standort zu gießen. Dazu sind umfangreiche Schalungs-, Armierungs- und Gießarbeiten vor Ort notwendig. Der Aufbau einer solchen Vollbetonstützmauer ist arbeitsintensiv, teuer und zeitaufwändig. Zum anderen besteht die Option, Betonstützmauern aus industriell vorgefertigten Bauelementen am Standort zu errichten. Dazu werden in der Regel vorgefertigte armierte vertikale Betonwände mit vorgefertigten oder vor Ort erstellten säulenartigen Betontragelementen verbunden, die mit dem unteren Ende in das Erdreich eingelassen und häufig noch mit vom oberen Ende ausgehenden Bodenankern im Erdreich verankert werden. Eine derartige Art des Aufbaus einer Stützmauer ist wirtschaftlicher und schneller als das Gießen von Stützmauern vor Ort. Bei der Verwendung von Bodenankern hinter der Betonstützmauer sind jedoch spezielle Techniken notwendig, die besondere Fachleute erfordern. Vorgesehene Bodenanker verteuern die Kosten für eine Stützmauer wesentlich.Within the known state of the art numerous methods exist for creating a retaining wall for supporting the earth. On the one hand, it is possible to cast concrete retaining walls directly at the construction site at the intended location. This requires extensive formwork, reinforcement and casting work on site. The construction of such a solid concrete retaining wall is labor intensive, expensive and time consuming. On the other hand, there is the option of constructing concrete retaining walls from industrially prefabricated building elements on the site. These prefabricated reinforced vertical concrete walls are usually connected with prefabricated or made on site columnar concrete support elements, which are embedded with the lower end into the ground and often anchored with emanating from the upper end soil anchors in the ground. Such a way of constructing a retaining wall is more economical and faster than the casting of retaining walls on site. When using ground anchors behind the concrete retaining wall, however, special techniques are necessary, the special experts require. Proposed ground anchors substantially increase the cost of a retaining wall.

Ausgehend von dem vorstehend beschriebenen Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine Möglichkeit vorzuschlagen, eine Stützwand aus industriell vorgefertigten Betonbauelementen am Aufstellungsort schnell, einfach und kostengünstig zu erstellen.Based on the above-described prior art, the present invention seeks to propose a way to create a support wall made of industrially prefabricated concrete components at the site quickly, easily and inexpensively.

Diese Aufgabe wird erfindungsgemäß durch eine modulare Fertigteilstützwand mit den Merkmalen des Anspruchs 1, eine Betonstützmauer mit den Merkmalen des Anspruchs 8 und ein Verfahren zur Herstellung einer derartigen Stützmauer mit den Merkmalen des Anspruchs 12 gelöst. Weitere vorteilhafte Ausgestaltungen sind den jeweiligen rückbezogenen Unteransprüchen zu entnehmen.This object is achieved by a modular precast support wall with the features of claim 1, a concrete retaining wall with the features of claim 8 and a method for producing such a retaining wall with the features of claim 12. Further advantageous embodiments can be found in the respective dependent subclaims.

Die erfindungsgemäße modulare Fertigteilstützwand weist mindestens ein vertikal anordenbares armiertes tafelförmiges Wandelement aus Beton zur Erdabstützung auf, mit mindestens einem senkrecht zum Wandelement vertikal anordenbaren, einen zentralen Hohlraum aufweisenden, mit Ortbeton ausfüllbarem und mit dem Wandelement verbindbaren Wandhafteelement aus Stahlbeton zur Abtragung von Horizontalkräften. Das mindestens eine Wandelement mit dem mindestens einen Wandhalteelement ist konfiguriert zur Anordnung auf einem Betonfundament. Das Wandelement kann als Massiv- oder Hohlwandelement ausgebildet sein und unterschiedliche Längen und Höhen aufweisen. Dabei kann die Unterkante des Wandelementes rechtwinkelig und/oder in einem anderen Winkel zu den Seitenkanten angeordnet sein und sich geradlinig oder abgestuft zwischen den Seitenkanten des Wandelementes erstrecken. Die Oberkante kann beliebig geformt und angeordnet sein. Dies ist insbesondere dann von Vorteil, wenn die tafelförmigen Wandelemente in Neigungsrichtung eines Hanges anzuordnen sind. Das Wandhafteelement ist in der Höhe an das Höhenmaß des Wandelementes angepasst. Seine Höhe beträgt typisch 30 bis 40 cm weniger als die Höhe des Wandelementes. Die Länge des Wandhalteelementes ist von der Höhe des Wandelementes abhängig, seine Breite ist vorzugsweise bei allen vorgesehenen Varianten gleich.The modular prefabricated support wall according to the invention comprises at least one vertically arranged reinforced concrete wall-mounted wall element for supporting the earth, with at least one wall element made of reinforced concrete which can be vertically arranged, has a central cavity, can be filled with in-situ concrete and can be connected to the wall element to remove horizontal forces. The at least one wall element with the at least one wall holding element is configured for placement on a concrete foundation. The wall element may be formed as a solid or hollow wall element and have different lengths and heights. In this case, the lower edge of the wall element may be arranged at right angles and / or at a different angle to the side edges and extend in a straight line or stepped manner between the side edges of the wall element. The upper edge can be arbitrarily shaped and arranged. This is particularly advantageous when the tabular wall elements are to be arranged in the direction of inclination of a slope. The Wandhaftelement is adjusted in height to the height dimension of the wall element. Its height is typically 30 to 40 cm less than the height of the wall element. The length of the wall holding element is dependent on the height of the wall element, its width is preferably the same for all variants provided.

Das Wandhalteelement, das einen mit Ortbeton ausfüllbaren Hohlraum aufweist, ist vorzugsweise als zumindest oben offene zweischalige Betonhohlwand ausgebildet, deren Schalen mittels einer Bewehrung miteinander verbunden sind. Die Wandelemente weisen spezielle streifenförmige Verbindungsbereiche für die Wandhalteelemente auf. Diese können an beliebigen Stellen der Wandelemente vorgesehen sein und erstrecken sich in vertikaler Richtung derart, dass die Wandhalteelemente zumindest unten und oben an einem solchen Wandelement befestigt werden können. Damit kann zur Abstützung eines Wandelementes eine entsprechende Anzahl von Wandhalteelementen verwendet werden. Die Verbindungsbereiche der Wandelemente können direkt an den vertikalen Rändern der Wandelemente oder in einem geeigneten Abstand dazu angeordnet sein. Die Wandelemente mit ihren mindestens einem Wandhalteelement sind in Längsrichtung aneinander anreihbar, so dass Betonstützmauern unter Verwendung von gleich oder unterschiedlich langen Wandelementen in beliebiger Länge errichtbar sind.The wall holding element, which has a cavity which can be filled with in-situ concrete, is preferably designed as a double-shell concrete hollow wall which is open at the top and whose shells are connected to one another by means of a reinforcement. The wall elements have special strip-shaped connection areas for the wall holding elements. These can be provided at any position of the wall elements and extend in the vertical direction such that the wall holding elements can be attached at least down and up to such a wall element. Thus, a corresponding number of wall holding elements can be used to support a wall element. The connecting portions of the wall elements may be located directly on the vertical edges of the wall elements or at a suitable distance therefrom. The wall elements with their at least one wall-holding element can be arranged side by side in the longitudinal direction, so that concrete retaining walls can be erected using any length of wall elements of the same or different lengths.

Vorteilhafterweise weisen die Verbindungsbereiche der Wandelemente von der Flachseite abstehende Anschlussbewehrungselemente auf. Die Anschlussbewehrungselemente sind vorzugsweise an den beiden vertikalen Rändern der Wandelemente angeordnet und weisen zu den entsprechenden vertikalen Kanten der Wandelemente einen typischen Abstand von mehreren Zentimetem auf. Die Anschlussbewehrungselemente setzen sich im innern der Wandelemente vorzugsweise in Längsrichtung der Wandelement fort.Advantageously, the connecting regions of the wall elements have connection reinforcing elements projecting from the flat side. The connection reinforcement elements are preferably arranged on the two vertical edges of the wall elements and have a typical distance of several centimeters from the corresponding vertical edges of the wall elements. The connection reinforcement elements continue in the interior of the wall elements, preferably in the longitudinal direction of the wall element.

Bei einer bevorzugten Ausführungsform der erfindungsgemäßen Fertigteilstützwand ist das Wandhalteelement auf der der Erdlast zugeordneten Stirnseite geschlossen ausgebildet und weist auf der dem Wandelement zugeordneten Stirnseite mindestens eine Durchtrittsöffnung zum Verbinden mit den Wandelement auf. Dies kann dadurch erfolgen, dass die Durchtrittsöffnung sich über die gesamte Höhe und Breite des Hohlraums erstreckt-somit das Wandhaltelement U-förmig ausgebildet ist -, oder die Stirnseite eine Wand mit einer Anzahl von Durchtrittsöffnungen für die von dem Wandelement herausragenden Anschlussbewehrungselemente aufweist.In a preferred embodiment of the precast concrete support wall according to the invention, the wall holding element is formed closed on the end face associated with the earth load and has on the wall element associated end face at least one passage opening for connection to the wall element. This can be done in that the passage opening extends over the entire height and width of the cavity-thus the wall holding element is U-shaped-or the end face a wall with a number of Has passage openings for protruding from the wall element connecting reinforcement elements.

Vorzugsweise ist der Hohlraum bzw. sind die Durchtrittsöffnungen zu dem Hohlraum des Wandhalteelementes mit einer Breite ausgeführt, die gegenüber dem Abstand von benachbarten Anschlussbewehrungselementen von aufeinander folgenden Wandelementen größer ausgebildet ist. Somit können sich die von dem Wandelement abstehenden Anschlussbewehrungselemente durch die mindestens eine Durchtrittsöffnung in den Hohlraum der Wandhalteelemente erstrecken, wenn die Wandhalteelemente mit der die Durchtrittsöffnung aufweisenden Stirnseite an den Verbindungsbereichen der Wandelemente mit den dort angeordneten Anschlussbewehrungselementen in Anlage sind. Durch Ausgießen des, Hohlraumes sowie der Durchtrittsöffnung mit Ortbeton kann eine dauerhafte und horizontal lastabtragende Verbindung zwischen dem Wandelement und dem Wandhalleelement geschaffen werden.Preferably, the cavity or the passage openings are designed to the cavity of the wall holding member having a width which is larger compared to the distance from adjacent connection reinforcement elements of successive wall elements. Thus, the connection reinforcement elements projecting from the wall element can extend through the at least one passage opening into the cavity of the wall holding elements when the wall holding elements with the end face having the passage opening are in abutment with the connecting reinforcement elements arranged thereon at the connection areas of the wall elements. By pouring the cavity and the passage opening with in-situ concrete, a permanent and horizontal load-transferring connection between the wall element and the wall shed element can be created.

Bei einer begünstigten Ausführungsform der Erfindung ist das mindestens eine zur Verbindung mit dem Wandelement vorgesehene Wandhalteelement unten offen, so dass sich über das Betonfundament vorstehende Bewehrungselemente bis in den Hohlraum des Wandhalteelementes erstrecken, sobald das Wandhalteelement auf dem Betonfundament angeordnet wird. Beim Ausfüllen des Hohlraums mit Ortbeton wird das Wandhalteelement nicht nur scher- und zugfest über die Anschlussbewehrung mit dem Wandelement verbunden, sondern auch schubfest über die von unten in den Hohlraum hineinragenden Anschlussbewehrungselement mit dem Betonfundament. Durch sein Gewicht nach dem Ausgießen ist das Wandhalteelement zudem äußerst standfest.In a favorable embodiment of the invention, the at least one provided for connection to the wall element wall holding element is open at the bottom, so that projecting over the concrete foundation reinforcing elements extend into the cavity of the wall holding element as soon as the wall holding element is placed on the concrete foundation. When filling the cavity with in-situ concrete, the wall-holding element is not only shear and tensile strength connected via the connection reinforcement with the wall element, but also shear-resistant over the protruding into the cavity from below connection reinforcement element with the concrete foundation. Due to its weight after pouring, the wall holding element is also extremely stable.

Um eine ausreichende Lastabtragung von horizontalen Erdlasten in das Erdreich zu ermöglichen, weist das mindestens eine Wandhalteelement eine Länge auf, die 40 bis 50 % der Höhe des zugeordneten Wandelemente entspricht. Die Breite des Wandhalteelementes beträgt typischerweise zwischen 30 und 50 cm. Sie ist jedoch variierbar. Es ist selbstverständlich, dass die Länge und die Breite der Fundamentstreifen des Betonfundamentes an die entsprechenden Maße des Wandhatteelementes anzupassen sind, so dass sich das Wandhalteelement mit seiner Unterseite vollständig auf dem Betonfundament abstützen kann. Vorzugsweise ermöglicht die Länge der Fundamentstreifen auch die Auflage der seitlichen Ränder der Wandelemente. Dabei kann das Wandelement ein Massivbetonwandelement oder ein mit Ortbeton ausgießbares Hohlwandelement mit oder ohne sichtseitigen Natursteinverbund auf der dem Erdreich abgewandten Flachseite.In order to allow sufficient load transfer of horizontal soil loads in the soil, the at least one wall-holding element has a length which corresponds to 40 to 50% of the height of the associated wall elements. The width of the wall holding element is typically between 30 and 50 cm. However, it is variable. It goes without saying that the length and the width of the foundation strips of the concrete foundations correspond to the corresponding dimensions of the concrete foundation Wandhatte elementes are to be adapted, so that the wall holding element can be completely supported with its underside on the concrete foundation. Preferably, the length of the foundation strips also allows the support of the lateral edges of the wall elements. In this case, the wall element may be a solid concrete wall element or a pourable with in-situ concrete hollow wall element with or without visible natural stone composite on the ground facing away from the flat side.

Die erfindungsgemäße Betonstützmauer ist aus einer modularen Fertigteilstützwand mit einzelnen oder mehreren der vorstehend beschriebenen Merkmalen hergestellt. Demnach weist sie zumindest ein vertikal anordenbares armiertes tafelförmiges Wandelement aus Beton zur Erdabstützung mit mindestens einem vertikal anordenbaren, einen zentralen Hohlraum aufweisenden, mit Ortbeton ausfüllbaren, mit dem Wandelement quer verbindbaren Wandhalteelement aus Stahlbeton zur Abtragung von Horizontalkräften in das Erdreich auf. Die modulare Fertigteilstützwand ist konfiguriert zur Anordnung auf einem Betonfundament. Das mindestens eine Wandelement und das mindestens eine zugeordnete Wandhalteelement stehen auf dem Betonfundament auf. Das Wandhalteelement stützt sich mit seiner Unterseite vollständig auf dem Betonfundament ab, während das Wandelement vorzugsweise nur im Bereich des Wandhalteelementes an dem Betonfundament in Anlage ist. Zweckmäßigerweise ist das Wandelement mit Ortbeton ausgefüllt, um einerseits dessen Masse zu vergrößern und andererseits eine innige Verbindung mit den Bewehrungen des Betonfundamentes und der Anschlussbewehrung des Wandelementes auf einfache Art herzustellen.The concrete retaining wall according to the invention is made of a prefabricated modular supporting wall with one or more of the features described above. Accordingly, it has at least one vertically arranged, reinforced, concrete wall-type wall element for ground support with at least one vertical cavity, with in-situ concrete fillable with in-situ concrete, with the wall element transversely connectable wall support element made of reinforced concrete for the removal of horizontal forces in the soil. The modular prefabricated support wall is configured for placement on a concrete foundation. The at least one wall element and the at least one associated wall holding element stand on the concrete foundation. The wall holding element is supported with its underside completely on the concrete foundation, while the wall element is preferably only in the region of the wall holding element on the concrete foundation in Appendix. Conveniently, the wall element is filled with in-situ concrete, on the one hand to increase its mass and on the other hand to produce an intimate connection with the reinforcements of the concrete foundation and the connection reinforcement of the wall element in a simple way.

Vorzugsweise ist das Betonfundament als Streifenfundament ausgebildet, dessen Fundamentstreifen in einem der Länge der Wandelemente entsprechenden Raster angeordnet sind. Die Fundamentstreifen erstrecken sich parallel zueinander, zumindest mit annähernd fluchtenden Vorderkanten. Auf dem Streifenfundament werden die Wandelemente quer zur Längsrichtung der Fundamentstreifen nahe der vorderen Kanten und die Wandhalteelemente in Längsrichtung der Fundamentstreifen angeordnet, dass die offene Stirnseite des Wandhalteelementes an der zur Abstützung des Erdreichs vorgesehenen Flachseite in Anlage ist.Preferably, the concrete foundation is designed as a strip foundation whose foundation strips are arranged in a grid corresponding to the length of the wall elements. The foundation strips extend parallel to each other, at least with approximately aligned leading edges. On the strip foundation, the wall elements become transverse to the longitudinal direction of the foundation strips near the front edges and the wall holding elements in the longitudinal direction of the foundation strips arranged that the open end face of the wall-holding element is in contact with the flat side provided for supporting the soil.

Das erfindungsgemäße Verfahren zur Herstellung der vorstehend spezifizierten Betonstützmauer umfasst die folgenden Schritte:

  • ● Fertigen und Bereitstellen mindestens eines vertikal anordenbaren armierten tafelförmigen Wandelementes aus Beton, mit an den vertikalen Rändern angeordneten winklig von der Flachseite abstehenden Anschlussbewehrungselementen;
  • ● Fertigen und Bereitstellen mindestens eines einen zentralen aufweisenden, unten offenen, an der der Erdlast zugeordneten Stirnseite geschlossenen und auf der dem Wandelement zugeordneten Stirnseite mindestens eine Durchtrittsöffnung für die von dem Wandelement abstehenden Bewehrungselemente aufweisenden Wandhalteelementes aus Stahlbeton;
  • ● Erstellen von Fundamentstreifen mit nach oben vorstehenden Bewehrungselementen, in einem Raster entsprechend der Länge der Wandelemente; und
  • ● Anordnen der Wandelemente und der Wandhalteelemente orthogonal zueinander aufstehend auf dem Fundamentstreifen des Streifenfundaments und Befestigen der Wandhalteelement an den Wandelementen und den Fundamentstreifen durch Auffüllen der Wandhalteelemente mit Ortbeton.
The method according to the invention for producing the above-specified concrete retaining wall comprises the following steps:
  • ● manufacture and supply of at least one vertically arranged reinforced concrete tabular wall element, with connecting reinforcement elements arranged at an angle on the vertical edges, projecting from the flat side;
  • ● manufacturing and providing at least one central, open at the bottom, at the end face associated with the earth and closed on the wall element associated end face at least one passage opening for the projecting from the wall element reinforcing elements wall support element made of reinforced concrete;
  • ● creating foundation strips with upwardly projecting reinforcement elements, in a grid corresponding to the length of the wall elements; and
  • ● arranging the wall elements and the wall holding elements orthogonal to each other on the foundation strip of the strip foundation and fastening the wall holding element to the wall elements and the foundation strip by filling the wall holding elements with in-situ concrete.

Vorzugsweise werden bei einer aus mehreren Wandelementen zusammengesetzten Betonstützmauer die Wandhalteelemente an zwei stoßenden Rändern von benachbarten Wandelementen, die beiden Ränder und die an den Rändern aus dem jeweiligen Wandelement hervortretenden Anschlussbewehrungselemente gemeinsam übergreifend angeordnet. Somit werden vorteilhafterweise die beiden aufeinanderfolgenden Wandelemente indirekt über das Wandhalteelement miteinander sicher verbunden. Zudem werden an den freien Rändern von äußeren Wandelementen die Wandhalteelemente bündig oder rückstehend bezüglich der entsprechenden Kante des Wandelementes, die abstehenden Bewehrungselemente aufnehmend, angeordnet.Preferably, in the case of a concrete retaining wall composed of a plurality of wall elements, the wall retaining elements are jointly arranged on two abutting edges of adjacent wall elements, the two edges and the connecting reinforcement elements projecting from the respective wall element at the edges. Thus, advantageously, the two successive wall elements indirectly connected to each other via the wall holding element securely. In addition, at the free edges of outer wall elements, the wall-holding elements are flush or recessed with respect to the corresponding edge of the wall element receiving the projecting reinforcing elements arranged.

Bei einer vorteilhaften Ausführungsform der erfindungsgemäßen Betonstützmauer wird seitlich vor und/oder hinter dem mindestens einen Wandelement Frostschutzkies aufgeschichtet, um Frostschäden zu verhindern. Die Frostschutzkiesschicht kann sich bis unterhalb des jeweiligen Wandelementes erstrecken.In an advantageous embodiment of the concrete retaining wall according to the invention antifreeze gravel is piled laterally in front of and / or behind the at least one wall element to prevent frost damage. The antifreeze gravel layer may extend below the respective wall element.

Die Vorteile der Erfindung liegen in der industriellen kostengünstigen Vorfertigung der Wandelemente und der Wandhalteelemente und der einfachen Verbindung miteinander und mit den Betonfundamenten am Aufstellungsort. Die Betonstützmauer kann schnell und einfach am Erstellungsort ohne spezielle Fachkräfte erstellt werden. Zudem entfallen Schalungs- und Entschalungsarbeiten. Weiterer Vorteil ist, dass die vorgeschlagene Betonstützmauer bereits kurze Zeit nach der Erstellung hinterfüllt werden kann.The advantages of the invention lie in the industrial inexpensive prefabrication of the wall elements and the wall holding elements and the simple connection with each other and with the concrete foundations at the site. The concrete retaining wall can be quickly and easily created at the place of construction without special skilled workers. In addition, there is no formwork and demoulding work. Another advantage is that the proposed concrete retaining wall can already be backfilled shortly after the creation.

Nachfolgend wird die Erfindung anhand eines Ausführungsbeispiels näher erläutert. Weitere Merkmale der Erfindung ergeben sich aus der folgenden Beschreibung des Ausführungsbeispiels der Erfindung in Verbindung mit den Ansprüchen und der beigefügten Zeichnung. Die einzelnen Merkmale der Erfindung können für sich allein oder zu mehreren bei unterschiedlichen Ausführungsformen der Erfindung verwirklicht sein. Es zeigen:

Figur 1
eine erfindungsgemäße Betonstützmauer, hergestellt aus Wandelementen und Wandhalteelementen der erfindungsgemäßen modularen Fertigteilstützwand;
Figur 2
die Betonstützmauer aus Figur 1 in einer vertikalen Längsschnittdarstellung im Bereich eines Wandhalteelementes, mit Blickrichtung senkrecht zu der Flachseite des Wandhalteelementes;
Figur 3
die Betonstützmauer aus Figur 1 in einer horizontalen Querschnittsdarstellung im Bereich des Wandhalteelementes;
Figur 4
das Wandhalteelement aus Figur 2 in einer vertikalen Längsschnittdarstellung mit Blickrichtung senkrecht zu der Stirnseite des Wandhalteelementes.
The invention will be explained in more detail with reference to an embodiment. Further features of the invention will become apparent from the following description of the embodiment of the invention in conjunction with the claims and the accompanying drawings. The individual features of the invention may be implemented on their own or in several different embodiments of the invention. Show it:
FIG. 1
a concrete retaining wall according to the invention, made of wall elements and wall retaining elements of the modular prefabricated supporting wall according to the invention;
FIG. 2
the concrete retaining wall FIG. 1 in a vertical longitudinal sectional view in the region of a wall holding element, with a viewing direction perpendicular to the flat side of the wall holding element;
FIG. 3
the concrete retaining wall FIG. 1 in a horizontal cross-sectional view in the region of the wall holding element;
FIG. 4
the wall holding element FIG. 2 in a vertical longitudinal sectional view with a viewing direction perpendicular to the end face of the wall holding element.

Die Figur 1 zeigt eine erfindungsgemäße Betonstützmauer 1 in Seitenansicht, die aus Wandelementen 2 und Wandhalteelementen 3 aufgebaut ist. Die dargestellte Betonstützmauer 1 umfasst drei Wandelemente 2 und vier Wandhalteelemente 3, die auf einem Streifenfundament 4 aus Beton aufrecht stehend angeordnet sind. Das Streifenfundament 4 besteht aus vier Fundamentstreifen 5, die sich parallel zueinander in einem von der Länge der Wandelemente 2 bestimmten Raster erstrecken. Die Wandelemente 2 stehen mit vertikalen seitlichen Rändern 6 auf den Fundamentstreifen 5 auf. An den Fundamentstreifen 5 stehen auch die Wandhalteelemente 3 auf, die stimseitig an den Wandelementen 2 in Anlage sind. Im Bereich stoßender Ränder 6 übergreifen die Wandhalteelemente 3 die beiden Ränder 6 gemeinsam, während im Bereich nicht stoßender Ränder 6 die Wandhalteelemente 3 bündig mit der äußeren vertikalen Kante 7 der Wandelemente 2 abschließen. Das Streifenfundament 4 ist bei diesem Ausführungsbeispiel an einer seitlich abfallenden Bodenfläche 8 angeordnet, wobei die Fundamentstreifen 5 entsprechend der seitlichen Neigung der Bodenfläche 8 abgestuft angeordnet sind. Die Unterkante 9 der Wandelemente 2 ist entsprechend dem Höhenunterschied der Fundamentstreifen 5 abgestuft ausgebildet. Mindestens im Bereich zwischen den Wandhalteelementen 2 ist auf der dem stützenden Erdreich abgewandten Seite der Betonstützmauer 1 eine Frostschutzkiesschicht 10 angeordnet.The FIG. 1 shows a concrete retaining wall 1 according to the invention in a side view, which is composed of wall elements 2 and wall holding elements 3. The illustrated concrete retaining wall 1 comprises three wall elements 2 and four wall retaining elements 3, which are arranged upright on a strip foundation 4 made of concrete. The strip foundation 4 consists of four foundation strips 5, which extend parallel to each other in a certain of the length of the wall elements 2 grid. The wall elements 2 stand with vertical lateral edges 6 on the foundation strip 5. At the foundation strip 5 are also the wall holding elements 3, which are at the end of the wall elements 2 in Appendix. In the area of abutting edges 6, the wall holding elements 3 overlap the two edges 6 together, while in the region of non-abutting edges 6 the wall holding elements 3 are flush with the outer vertical edge 7 of the wall elements 2. The strip foundation 4 is arranged in this embodiment on a laterally sloping bottom surface 8, wherein the foundation strips 5 are arranged graduated according to the lateral inclination of the bottom surface 8. The lower edge 9 of the wall elements 2 is stepped according to the height difference of the foundation strips 5. At least in the area between the wall holding elements 2, a frost protection gravel layer 10 is arranged on the side facing away from the supporting soil of the concrete retaining wall 1.

Die Figur 2 zeigt die Betonstützmauer 1 aus Figur 1 in einer vertikalen Längsschnittdarstellung im Bereich eines Wandhalteelementes 3 mit Blickrichtung zur Flachseite des Wandhalteelementes. Die dargestellte Betonstützmauer 1 ist noch nicht mit Erdreich oder dergleichen hinterfüllt. Es ist zu erkennen, dass das Wandhalteelement 3 mit dem Wandelement 2 über eine Anschlussbewehrung 1 1 verbunden ist. Die Anschlussbewehrung 11 ist, wie der Figur 3 zu entnehmen ist, abgewinkelt ausgebildet. Sie wurde bei der Herstellung des Wandelementes 2 aus armierten Beton mit in den Beton derart eingebettet, dass die Anschlussbewehrung 11 winkelig, insbesondere orthogonal von der die Erdlast aufnehmenden Flachseite 12 an den vertikalen Rändern 6 absteht. Die Figur 3 zeigt außerdem, dass das Wandhalteelement 3 einen mit Ortbeton 16 ausgefüllten Hohlraum 13 aufweist, in den sich die Anschlussbewehrung 11 an einer eine Durchtrittsöffnung 14 aufweisenden Stirnseite 15 bis in den Hohlraum 13 erstreckt. Das Wandhalteelement 3 lst als zweischaliges hohles Betonwandelement vorgefertigt und nach dem Zusammenfügen mit dem Wandelement 2 mit dem Ortbeton 16 derart ausgegossen worden, dass die von der Flachseite 12 des Wandelementes 2 abstehenden Anschlussbewehrungselemente 11 vollständig in den Ortbeton 16 eingebettet sind. Das Wandhalteelement 3 ist, wie der Figur 4 zu entnehmen ist, unten offen ausgebildet, wobei das Streifenfundament 4 mit Bewehrungselementen 17 zu sehen ist, die über die Fundamenistreifen 5 bis in den Hohlraum 13 des Wandhalteelementes 3 vorstehen. Die von dem Fundamentstreifen 5 ausgehenden Bewehrungselemente 17 sind mit in den Ortbeton 16 des Wandhalteelementes 3 eingebettet. Über das Wandhalteelement 3 ist das Wandelement 2 kraftübertragend mit dem Streifenfundament 4 verbunden.The FIG. 2 shows the concrete retaining wall 1 from FIG. 1 in a vertical longitudinal section in the region of a wall holding element 3 with a view towards the flat side of the wall holding element. The illustrated concrete retaining wall 1 is not backfilled with soil or the like. It can be seen that the wall holding element 3 with the wall element 2 via a connection reinforcement 1 1 connected is. The connection reinforcement 11 is, like the FIG. 3 can be seen, formed angled. It was in the manufacture of the wall element 2 of reinforced concrete with embedded in the concrete such that the connection reinforcement 11 at an angle, in particular orthogonal projecting from the earth load receiving flat side 12 at the vertical edges 6. The FIG. 3 shows, moreover, that the wall holding element 3 has a cavity 13 filled with in-situ concrete 16, into which the connecting reinforcement 11 extends at an end face 15 having a passage opening 14 into the cavity 13. The wall holding element 3 is prefabricated as a double-shell hollow concrete wall element and poured out after being joined to the wall element 2 with the in-situ concrete 16 in such a way that the connecting reinforcement elements 11 protruding from the flat side 12 of the wall element 2 are completely embedded in the in-situ concrete 16. The wall holding element 3 is, like the FIG. 4 can be seen, open at the bottom, wherein the strip foundation 4 can be seen with reinforcing elements 17 which protrude over the Fundamenistreifen 5 into the cavity 13 of the wall holding element 3. The outgoing from the foundation strip 5 reinforcing elements 17 are embedded in the in-situ concrete 16 of the wall-holding element 3. About the wall holding member 3, the wall element 2 is force-transmitting connected to the strip foundation 4.

Bei dem gezeigten Ausführungsbeispiel weisen die Wandelemente 2 eine Höhe von etwa 2 m und eine Länge von etwa 4,25 m auf. Die Fundamentstreifen 5 weisen eine typische Breite von 50 cm und die Wandhalteelemente 3 eine typische Breite von 40 cm auf. Die Höhe der Wandhalteelemente 3 ist an die Höhe der Wandelemerrte 2 angepasst und beträgt etwa 160 cm. Die Länge des Wandhalteelementes 3 ist ebenfalls von der Größe des verwendeten Wandelementes 2 abhängig. Sie beträgt in diesem Fall etwa 100 cm. In dem Ausführungsbeispiel wird ein im Querschnitt U-förmig ausgebildetes Wandhalteelement 3 verwendet. Vor dem Ausgießen des Wandhalteelements 3 wird dieses zur Lagefixierung mit geeigneten lösbaren Haltemittein, beispielsweise Winkeln, an den Wandelementen 2 befestigt.In the embodiment shown, the wall elements 2 have a height of about 2 m and a length of about 4.25 m. The foundation strips 5 have a typical width of 50 cm and the wall holding elements 3 a typical width of 40 cm. The height of the wall holding elements 3 is adapted to the height of the Wandelemerrte 2 and is about 160 cm. The length of the wall holding element 3 is also dependent on the size of the wall element 2 used. It is about 100 cm in this case. In the embodiment, a U-shaped in cross-section wall holding element 3 is used. Before pouring the wall holding element 3, this is fixed to the wall elements 2 for fixing the position with suitable releasable holding means, for example angles.

Claims (14)

Modulare Fertigteilstützwand zur Anordnung auf einem Betonfundament (4), gekennzeichnet durch mindestens ein vertikal anordenbares armiertes tafelförmiges Wandelement (2) aus Beton zur Erdabstützung mit mindestens einem senkrecht zum Wandelement (2) vertikal anordenbaren, einen zentralen Hohlraum (13) aufweisenden, mit Ortbeton (16) ausfüllbaren, mit dem Wandelement (2) verbindbaren Wandhalteelement (3) aus Stahlbeton zur Abtragung von Horizontalkräften, wobei mehrere derartige Wandelemente (2) mit ihren Wandhalteelementen (3) in Längsrichtung aneinander anreihbar sind.Modular prefabricated supporting wall for placement on a concrete foundation (4), characterized by at least one vertically arranged reinforced concrete wall element (2) for ground support with at least one perpendicular to the wall element (2) vertically arranged, a central cavity (13), with in-situ concrete ( 16) fillable, with the wall element (2) connectable wall support member (3) made of reinforced concrete for removal of horizontal forces, wherein a plurality of such wall elements (2) with their wall support members (3) are longitudinally juxtaposed. Fertigteilstützwand nach Anspruch 1, dadurch gekennzeichnet, dass die Wandelemente (2) an den vertikalen Rändern (6) von der Flachseite (12) winkelig abstehende Anschlussbewehrungselemente (11) aufweisen.Prefabricated support wall according to claim 1, characterized in that the wall elements (2) on the vertical edges (6) of the flat side (12) angularly projecting connection reinforcing elements (11). Fertigteilstützwand nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Wandhalteelemente (3) auf der der Erdlast zugeordneten ersten Stirnseite geschlossen ausgebildet sind und auf der dem Wandelement (28) zugeordneten zweiten Stirnseite (15) mindestens eine Durchtrittsöffnung (14) zum Verbinden mit dem Wandelement aufweisen.Prefabricated supporting wall according to claim 1 or 2, characterized in that the wall holding elements (3) are formed closed on the Erdlast associated first end face and on the wall element (28) associated second end face (15) at least one passage opening (14) for connection to the Have wall element. Fertigteilstützwand nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass der Hohlraum (13) und/oder die Durchtrittsöffnung (14) der Wandhalteelemente (3) eine Breite aufweisen, die gegenüber dem Abstand von benachbarten Anschlussbewehrungselementen (11) von zwei aufeinanderfolgenden Wandelementen (2), größer ausgebildet ist.Prefabricated supporting wall according to one of the preceding claims, characterized in that the cavity (13) and / or the passage opening (14) of the wall holding elements (3) have a width which is greater than the distance of adjacent connecting reinforcing elements (11) of two successive wall elements (2). , is larger. Fertigteilstützwand nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die mindestens eine Durchtrittsöffnung (14) der Wandhalteelemente (3) zur Aufnahme der abstehenden Anschlussbewehrungselemente (11) der Wandelemente (2) geeignet ausgebildet ist.Prefabricated supporting wall according to claim 3 or 4, characterized in that the at least one passage opening (14) of the wall holding elements (3) for receiving the protruding connecting reinforcement elements (11) of the wall elements (2) is designed to be suitable. Fertigteilstützwand nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass das mindestens eine Wandhalteelement (3) unten offen ausgebildet ist, so dass sich über das Betonfundament (4) vorstehende Bewehrungselemente (17) sich bis in den Hohlraum (13) des Wandhalteelementes (3) erstrecken.Prefabricated supporting wall according to one of the preceding claims, characterized in that the at least one wall holding element (3) is designed to be open at the bottom, so that over the concrete foundation (4) projecting reinforcing elements (17) into the cavity (13) of the wall holding element (3) extend. Fertigteilstützwand nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass das mindestens eine Wandhalteelement (3) eine Länge aufweist, die 40 bis 50 % der Höhe des zugeordneten Wandelementes (2) entspricht.Prefabricated supporting wall according to one of the preceding claims, characterized in that the at least one wall-holding element (3) has a length which corresponds to 40 to 50% of the height of the associated wall element (2). Betonstützmauer (1), hergestellt aus einer modularen Fertigteilstützwand, mit den Merkmalen mindestens eines der vorangegangenen Ansprüche 1 bis 7.Concrete retaining wall (1), made of a modular prefabricated supporting wall, having the features of at least one of the preceding claims 1 to 7. Stützmauer nach Anspruch 8, dadurch gekennzeichnet, dass die Betonstützmauer auf einem als Streifenfundament (4) ausgebildeten Betonfundament angeordnet ist, dessen Fundamentstreifen (5) in einem der Länge der Wandelemente (2) entsprechenden Raster angeordnet sind.Retaining wall according to claim 8, characterized in that the concrete retaining wall is arranged on a strip foundation (4) formed concrete foundation whose foundation strip (5) in one of the length of the wall elements (2) corresponding grid are arranged. Stützmauer nach Anspruch 9, dadurch gekennzeichnet, dass das mindestens eine Wandelement (2) und das mindestens eine zugeordnete Wandhalteelement (3) auf den Fundamentstreifen (5) aufsteht.Retaining wall according to claim 9, characterized in that the at least one wall element (2) and the at least one associated wall holding element (3) rests on the foundation strip (5). Stützmauer nach einem der vorangegangenen Ansprüche 8 bis 10, dadurch gekennzeichnet, dass das Wandhalteelement (3) mit Ortbeton (16) ausgefüllt ist.Retaining wall according to one of the preceding claims 8 to 10, characterized in that the wall holding element (3) is filled with in-situ concrete (16). Verfahren zur Herstellung einer Betonstützmauer (1), gekennzeichnet durch die folgenden Schritte: ● Fertigen und Bereitstellen von mindestens einem vertikal anordenbaren armierten tafelförmigen Wandelement (2) aus Beton, mit an den vertikalen Rändern (6) angeordneten winkelig von der Flachseite (12) abstehenden Anschlussbewehrungselementen (11); ● Fertigen und Bereitstellen von mindestens einem einen zentralen Hohlraum (13) aufweisenden, unten offenen, an der der Erdlast zugeordneten ersten Stirnseite geschlossenen und auf der dem Wandelement (2) zugeordneten zweiten Stirnseite (15) mindestens eine Durchtrittsöffnung (14) für die von dem Wandelement (2) abstehenden Anschlussbewehrungselemente (11) aufweisenden Wandhalteelement (3) aus Stahlbeton; ● Erstellen von Fundamentstreifen (5) mit nach oben vorstehenden Bewehrungselementen (17), in einem Raster entsprechend der Länge der Wandelemente (2); und ● Anordnen des mindestens einen Wandelementes (2) und des mindestens einen Wandhalteelementes (3) orthogonal zueinander aufstehend auf den Fundamentstreifen (5) und Befestigen des mindestens einen Wandhalteelementes (3) an dem mindestens einen Wandelement (2) und dem Fundamentstreifen (5) durch Auffüllen des Wandhalteelementes (3) mit Ortbeton (16). Method for producing a concrete retaining wall (1), characterized by the following steps: ● manufacture and provision of at least one vertically arranged reinforced tabular wall element (2) made of concrete, with connection reinforcement elements (11) arranged at an angle on the vertical edges (6) and projecting from the flat side (12); Production and provision of at least one central cavity (13), open at the bottom, associated with the earth's first end face and on the wall element (2) associated second end face (15) at least one passage opening (14) for the of Wall element (2) protruding connecting reinforcement elements (11) having wall holding element (3) made of reinforced concrete; ● creating foundation strips (5) with upwardly projecting reinforcing elements (17), in a grid corresponding to the length of the wall elements (2); and ● arranging the at least one wall element (2) and the at least one wall holding element (3) orthogonal to each other standing on the foundation strip (5) and attaching the at least one wall holding element (3) to the at least one Wall element (2) and the foundation strip (5) by filling the wall holding element (3) with in-situ concrete (16). Verfahren nach Anspruch12, dadurch gekennzeichnet, dass die Wandhalteelemente (3) an zwei stoßenden Rändern (6) von benachbarten Wandelementen (2) die beiden Ränder (6) und die an den Rändern (6) aus den Wandelementen (2) jeweils hervortretenden Anschlussbewehrungselemente (11) gemeinsam übergreifend angeordnet und/oder an freien Rändern (6) von äußeren Wandelementen (2) bündig oder rückstehend die abstehenden Anschlussbewehrungselemente(11) aufnehmend angeordnet werden.A method according to claim 12, characterized in that the wall holding elements (3) at two abutting edges (6) of adjacent wall elements (2), the two edges (6) and at the edges (6) of the wall elements (2) respectively protruding connecting reinforcing elements ( 11) arranged together in cross-over and / or at free edges (6) of the outer wall elements (2) flush or rearwardly the protruding connecting reinforcement elements (11) are arranged receiving. Verfahren nach Anspruch 12 oder 13, gekennzeichnet durch Aufschichten von Frostschutzkies seitlich vor und/oder hinter dem mindestens einen Wandelement (2), wenigstens im Bereich zwischen den Fundamentstreifen (5).A method according to claim 12 or 13, characterized by coating frost protection gravel laterally in front of and / or behind the at least one wall element (2), at least in the region between the foundation strips (5).
EP11004956.6A 2011-06-17 2011-06-17 Modular pre-fabricated retaining wall, concrete retaining wall comprising same and method for erecting the retaining wall Active EP2535463B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016105371U1 (en) 2016-09-27 2016-11-10 Joachim Glatthaar Precast wall
EP3299524A1 (en) 2016-09-27 2018-03-28 Joachim Glatthaar Wall made of prefabricated products and method for manufacturing the same
US11248383B2 (en) 2018-09-21 2022-02-15 Cooper E. Stewart Insulating concrete form apparatus
CN114687584A (en) * 2022-05-31 2022-07-01 中国二十二冶集团有限公司 Construction method and structure for preventing scattered water from sinking at outer wall of building curtain wall

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FR2314987A1 (en) * 1975-06-16 1977-01-14 Seric Reinforced concrete pond with precast side walls - has supporting buttresses with reinforcing bars tied together by in-situ cast concrete
US4473978A (en) * 1981-08-10 1984-10-02 Wood Donald D Pollutant storage system
US5697736A (en) * 1994-08-03 1997-12-16 Custom Precast Concrete, L.L.C. Seawalls and shoreline reinforcement systems
US5864999A (en) * 1996-11-28 1999-02-02 Wallin; Arne B. Modular wall system
US20110067341A1 (en) * 2009-09-18 2011-03-24 Rodney Smith Wall panel with extended integral post

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FR2314987A1 (en) * 1975-06-16 1977-01-14 Seric Reinforced concrete pond with precast side walls - has supporting buttresses with reinforcing bars tied together by in-situ cast concrete
US4473978A (en) * 1981-08-10 1984-10-02 Wood Donald D Pollutant storage system
US5697736A (en) * 1994-08-03 1997-12-16 Custom Precast Concrete, L.L.C. Seawalls and shoreline reinforcement systems
US5864999A (en) * 1996-11-28 1999-02-02 Wallin; Arne B. Modular wall system
US20110067341A1 (en) * 2009-09-18 2011-03-24 Rodney Smith Wall panel with extended integral post

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016105371U1 (en) 2016-09-27 2016-11-10 Joachim Glatthaar Precast wall
EP3299524A1 (en) 2016-09-27 2018-03-28 Joachim Glatthaar Wall made of prefabricated products and method for manufacturing the same
US11248383B2 (en) 2018-09-21 2022-02-15 Cooper E. Stewart Insulating concrete form apparatus
CN114687584A (en) * 2022-05-31 2022-07-01 中国二十二冶集团有限公司 Construction method and structure for preventing scattered water from sinking at outer wall of building curtain wall

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