EP0005412A2 - Cross beam for construction of crib walls - Google Patents

Cross beam for construction of crib walls Download PDF

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Publication number
EP0005412A2
EP0005412A2 EP79810020A EP79810020A EP0005412A2 EP 0005412 A2 EP0005412 A2 EP 0005412A2 EP 79810020 A EP79810020 A EP 79810020A EP 79810020 A EP79810020 A EP 79810020A EP 0005412 A2 EP0005412 A2 EP 0005412A2
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EP
European Patent Office
Prior art keywords
crossbar
longitudinal beam
displacement
crossbeam
support plane
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EP79810020A
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German (de)
French (fr)
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EP0005412B1 (en
EP0005412A3 (en
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Hansjürg Gysi
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Publication of EP0005412A3 publication Critical patent/EP0005412A3/en
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Publication of EP0005412B1 publication Critical patent/EP0005412B1/en
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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
    • E02D29/0216—Cribbing walls

Definitions

  • the invention relates to a component which is used in the manufacture of box walls in combination with longitudinal beams as a cross beam.
  • Crossbars of the type mentioned are known. They form one of the main components of the construction elements for box walls.
  • the longitudinal bar forms the other main component.
  • the crossbeams are laid out along the wall axis at a certain distance from each other at right angles to the wall axis.
  • the longitudinal beams are placed on top of it in such a way that two rows are formed that run parallel to the wall axis. This longitudinal beam is followed by a layer of cross beams etc. until the desired wall height is reached.
  • the interior is continuously filled with earth material.
  • the present invention is looking for a crossbeam which, due to its shape, makes it possible, in combination with the longitudinal beam, to adapt the vertical course of the wall to the pressure line without additional components, at the same time one of the Friction in the contact area longitudinal beam - cross beam to enable independent thrust transmission and to give the box wall a flexible behavior towards the earth pressure forces.
  • this object is achieved as follows: at its front end facing away from the earth, the crossbeam has a shear-resistant connection to the longitudinal beam lying thereon only in the upper support plane, as a result of which the upper longitudinal beam is geometrically fixed relative to the transverse beam.
  • the lower support level of the crossbeam on the other hand, there is no shear-proof connection to the longitudinal beam below.
  • the position of the lower longitudinal beam with respect to the transverse beam is free, so that the vertical course of the box wall can be changed at any location, ie a transverse gradation (a) according to claim 1 is possible.
  • the shear-resistant connection is in the lower support level, while it is missing in the upper support level.
  • the vertical course of the box wall can also be changed here in accordance with the change at the front end of the crossbeam, ie a cross grading (b) according to claim 1 is possible.
  • the transmission of thrust from the longitudinal beam into the crossbeam and vice versa is ensured according to claim 1 by the device preventing displacement (shear-resistant connection). This device prevents the front longitudinal beam from being pushed out due to the horizontally acting earth pressure; respectively. acts as anchoring of the crossbeam on the rear longitudinal beam.
  • Fig. 1 shows the crossbar 1 with the upper 2 and lower 3 support level.
  • the upwardly directed cam 16 which can transfer the horizontal thrust forces 7 from the longitudinal beam B into the crossbar 1.
  • the downward cam 16 which can transfer the horizontal thrust forces 12 from the crossbar 1 into the longitudinal beam 13.
  • the transverse graduation of the upper 8 from the lower 9 longitudinal bar is represented by the distance (a), likewise at the rear end 5 with the distance (b). 20 it is shown that the cam 16 can lie at a distance (c) from the end of the beam.
  • Fig. 4 it is shown how with the help of the crossbar 1 any staggering of the longitudinal beams 8, 9 or. 13, 14 can be reached, and how the vertical course of the wall can be adapted to the course of the pressure line, resulting from wall weight and earth pressure.
  • the device 6, 11 preventing displacement is shown as cam 16 according to FIG. 1.
  • cam 16 it is shown how the transverse gradient of the box wall can be changed with the help of a crossbeam in which the support levels 21 and 22 are not parallel.

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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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

1. Transverse beam (1) to construct concrete crib walls, which has an upper (2) and a lower (3) plane of support, which has a front end (4) pointing away from the soil mass to be retained, which has a back end (5) pointing towards the soil mass to be retained, which has a device (6) at the front end (4) in the upper plane of support (2) allowing a transmission of horizontal shear forces (7) without displacements from the upper, front longitudinal beam (8) to the transverse beam (1), and which has a device (11) at the back end (5) in the lower plane of support (3) allowing a transmission of horizontal shear forces (12) without displacements from the transverse beam (1) to the lower, back longitudinal beam (13) ; specified such, that this transverse beam (1) is free to move (10) in the transverse direction of the wall at its front end (4) in the lower plane of support (3) with respect to the lower, front longitudinal beam (9) allowing any distance (a) of the lower, front longitudinal beam (9) from the upper, front longitudinal beam (8) ; and that this transverse beam (1) is free to move (15) in the transverse direction of the wall at his back end (5) in the upper plane of support (2) with respect to the upper, back longitudinal beam (14) allowing any distance (b) of the upper, back longitudinal beam (14) from the lower, back longitudinal beam (13).

Description

Die Erfindung betrifft einen Bauteil, welcher bei der Herstellung von Kastenmauern in Kombination mit Längsbalken als Querbalken verwendet wird.The invention relates to a component which is used in the manufacture of box walls in combination with longitudinal beams as a cross beam.

Querbalken der erwähnten Art sind bekannt. Sie bilden den einen Hauptbestandteil der Bauelemente für Kastenmauern. Der Längsbalken bildet den anderen Hauptbestandteil. Bei der Herstellung einer Kastenmauer werden entlang der Mauerachse die Querbalken in einem bestimmten Abstand voneinander rechtwinklig zur Mauerachse ausgelegt. Darauf legt man die Längsbalken derart, dass sich zwei parallel in Richtung der Mauerachse verlaufende Reihen bilden. Auf diese Längsbalken folgt erneut eine Lage Querbalken usw. bis die gewünschte Mauerhöhe erreicht ist. Während des Aufbaus der Mauer wird der Innenraum fortlaufend mit Erdmaterial aufgefüllt.Crossbars of the type mentioned are known. They form one of the main components of the construction elements for box walls. The longitudinal bar forms the other main component. When producing a box wall, the crossbeams are laid out along the wall axis at a certain distance from each other at right angles to the wall axis. The longitudinal beams are placed on top of it in such a way that two rows are formed that run parallel to the wall axis. This longitudinal beam is followed by a layer of cross beams etc. until the desired wall height is reached. During the construction of the wall, the interior is continuously filled with earth material.

Bauteilsätze der erwähnten Art haben den Nachteil, dass die daraus entstehenden Kastenmauern eine starre, durch die Geometrie der Bauelemente vorgeschriebene Form besitzen. Es ist nicht möglich, den vertikalen Verlauf der Mauer dem Verlauf der Drucklinie infolge Erddruck und Mauergewicht anzupassen, ausser man benützt eine Vielzahl von Bauelementen, welche entsprechend dem Mauerverlauf zusammengesetzt werden müssen.Component sets of the type mentioned have the disadvantage that the resulting box walls have a rigid shape prescribed by the geometry of the components. It is not possible to adapt the vertical course of the wall to the course of the pressure line due to earth pressure and wall weight, unless you use a variety of components that must be assembled according to the course of the wall.

Die vorliegende Erfindung sucht einen Querbalken, der durch seine Form es ermöglicht, in Kombination mit dem Längsbalken ohne zusätzliche Bauelemente den vertikalen Verlauf der Mauer der Drucklinie anzupassen, gleichzeitig eine von der Reibung in der Berührungsfläche Längsbalken - Querbalken unabhängige Schubübertragung zu ermöglichen und der Kastenmauer gegenüber den Erddruckkräften ein flexibles Verhalten zu geben.The present invention is looking for a crossbeam which, due to its shape, makes it possible, in combination with the longitudinal beam, to adapt the vertical course of the wall to the pressure line without additional components, at the same time one of the Friction in the contact area longitudinal beam - cross beam to enable independent thrust transmission and to give the box wall a flexible behavior towards the earth pressure forces.

Erfindungsgemäss wird diese Aufgabe folgendermassen gelöst: Der Querbalken besitzt an seinem vorderen, von der Erde abgekehrten Ende nur in der oberen Auflageebene eine schubfeste Verbindung mit dem daraufliegenden Längsbalken, wodurch der obere Längsbalken geometrisch gegenüber dem Querbalken fixiert wird. In der unteren Auflageebene des Querbalkens hingegen fehlt die schubfeste Verbindung mit dem untenliegenden Längsbalken. Dadurch ist die Lage des unteren Längsbalkens gegenüber dem Querbalken frei, so dass sich der vertikale Verlauf der Kastenmauer an jedem Ort beliebig verändern lässt, d. h. eine Querstaffelung (a) gemäss Patentanspruch 1 wird möglich. Am der Erde zugekehrten, hinteren Ende des Querbalkens befindet sich die schubfeste Verbindung in der unteren Auflageebene , während sie in der oberen Auflageebene fehlt. Dadurch kann auch hier der vertikale Verlauf der Kastenmauer entsprechend der Veränderung am vorderen Ende des Querbalkens verändert werden, d. h. eine Querstaffelung (b) gemäss Patentanspruch 1 wird möglich. Die Schubübertragung vom Längs- in den Querbalken und umgekehrt wird entsprechend Patentanspruch 1 durch die eine Verschiebung verhindernde Vorrichtung gewährleistet (schubfeste Verbindung). Diese Vorrichtung verhindert vorn ein Herausdrücken des vorderen Längsbalkens infolge des horizontal wirkendes Erddruckes; bezw. wirkt hinten als Verankerung des Querbalkens am hinteren Längsbalken. Die Flexibilität der Kastenmauer gegenüber den Erddruckkräften wird gemäss Patentanspruch 1 dadurch erreicht, dass in der unteren Auflageebene vorn und in der oberen Auflageebene hinten des Querbalkens eine solche Vorrichtung fehlt, d. h. Längs- und Querbalken sind gegenüber einander frei verschieblich. Dadurch kann sich eine Gleitebene quer durch das Rückfüllmaterial bilden, Fig. 1, 23, entlang welcher die Scherfestigkeit des sich im Innern der Kastenmauer befindlichen Rückfüllmaterials mit damit verbundenen Uerschiebungen teilweise mobilisiert wird. Somit sind bei jeder Längsbalken - Querbalken - Lage Verschiebungen entlang der Fläche 23 möglich, was zur gewünschten Flexibilität der Kastenmauer gegenüber Erddruckkräften führt.According to the invention, this object is achieved as follows: at its front end facing away from the earth, the crossbeam has a shear-resistant connection to the longitudinal beam lying thereon only in the upper support plane, as a result of which the upper longitudinal beam is geometrically fixed relative to the transverse beam. In the lower support level of the crossbeam, on the other hand, there is no shear-proof connection to the longitudinal beam below. As a result, the position of the lower longitudinal beam with respect to the transverse beam is free, so that the vertical course of the box wall can be changed at any location, ie a transverse gradation (a) according to claim 1 is possible. At the rear end of the crossbar facing the earth, the shear-resistant connection is in the lower support level, while it is missing in the upper support level. As a result, the vertical course of the box wall can also be changed here in accordance with the change at the front end of the crossbeam, ie a cross grading (b) according to claim 1 is possible. The transmission of thrust from the longitudinal beam into the crossbeam and vice versa is ensured according to claim 1 by the device preventing displacement (shear-resistant connection). This device prevents the front longitudinal beam from being pushed out due to the horizontally acting earth pressure; respectively. acts as anchoring of the crossbeam on the rear longitudinal beam. The flexibility of the box wall with respect to the earth pressure forces is achieved according to claim 1 in that such a device is missing in the lower support level at the front and in the upper support level at the rear of the crossbar, ie longitudinal and crossbars are freely displaceable relative to one another. This can form a sliding plane across the backfill material, Fig. 1, 23, along which the shear strength of the inside of the box wall existing backfill material is partially mobilized with related shifts. In this way, displacements along the surface 23 are possible with each longitudinal beam - transverse beam - position, which leads to the desired flexibility of the box wall with respect to earth pressure forces.

Die Erfindung soll in der beigelegten Zeichnung anhand von Ausführungsbeispielen näher beschrieben werden. Es zeigen:

  • Fig. 1 ein erstes Ausführungsbeispiel des Querbalkens mit Nocken,
  • Fig. 2 ein zweites Ausführungsbeispiel des Querbalkens mit mit Nut und Kamm,
  • Fig. 3 ein drittes Ausführungsbeispiel des Querbalkens mit , mit Bolzen und
  • Fig. 4 einen Querschnitt durch eine Kastenmauer, welche unter Mitverwendung des Querbalkens nach Fig. 1 aufgebaut ist.
The invention is to be described in more detail in the accompanying drawing using exemplary embodiments. Show it:
  • 1 shows a first embodiment of the crossbar with cams,
  • 2 shows a second embodiment of the crossbar with groove and comb,
  • Fig. 3 shows a third embodiment of the crossbar with, with bolts and
  • Fig. 4 shows a cross section through a box wall, which is constructed using the crossbar of FIG. 1.

Fig. 1 zeigt den Querbalken 1 mit der oberen 2 und unteren 3 Auflageebene. Am vorderen Ende 4 des Querbalkens befindet sich der nach oben gerichtete Nocken 16, welcher die horizontalen Schubkräfte 7 vom Längsbalken B in den Querbalken 1 überleiten kann. Am hinteren Ende 5 befindet sich der nach unten gerichtete Nocken 16, welcher die horizontalen Schubkräfte 12 vom Querbalken 1 in den Längsbalken 13 überleiten kann. Am vorderen Ende 4 wird durch den Abstand(a) die Querstaffelung des oberen 8 vom unteren 9 Längsbalken dargestellt, ebenso am hinteren Ende 5 mit dem Abstand (b). In 20 ist gezeigt, dass der Nocken 16 in einem Abstand (c) vom Balkenende liegen kann.Fig. 1 shows the crossbar 1 with the upper 2 and lower 3 support level. At the front end 4 of the crossbar there is the upwardly directed cam 16, which can transfer the horizontal thrust forces 7 from the longitudinal beam B into the crossbar 1. At the rear end 5 is the downward cam 16, which can transfer the horizontal thrust forces 12 from the crossbar 1 into the longitudinal beam 13. At the front end 4, the transverse graduation of the upper 8 from the lower 9 longitudinal bar is represented by the distance (a), likewise at the rear end 5 with the distance (b). 20 it is shown that the cam 16 can lie at a distance (c) from the end of the beam.

In Fig. 2 tritt beim Querbalkenl an die Stelle des Nockens 16 der Kamm 17, welcher in eine Nut 18 des Längsbalkens 8 resp. 13 passt.2 takes the place of the cam 16 in the transverse beam the comb 17, which in a groove 18 of the longitudinal beam 8, respectively. 13 fits.

In Fig. 3 tritt beim Querbalken 1 an die Stelle des Nockens 16 der Bolzen 19, welcher in entsprechende Aussparungen oder Bohrungen des Längs- 8, 13 und Querbalkens 1 passt.In Fig. 3 the crossbar 1 takes the place of the cam 16, the bolt 19 which fits into corresponding recesses or bores of the longitudinal 8, 13 and crossbar 1.

In Fig. 4 wird gezeigt, wie mit Hilfe des Querbalkens 1 eine beliebige Staffelung der Längsbalken 8, 9 resp. 13, 14 erreicht werden kann, und wie damit der vertikale Verlauf der Mauer dem Verlauf der Drucklinie, resultierend aus Mauergewicht und Erddruck, angepasst werden kann. Die eine Verschiebung hindernde Vorrichtung 6, 11 ist als Nocken 16 gemäss Fig. 1 eingezeichnet. Im weiteren wird gezeigt, wie mit Hilfe von einem Querbalken, bei welchem die Auflageebenen 21 und 22 nicht parallel sind, das Quergefälle der Kastenmauer verändert werden kann.In Fig. 4 it is shown how with the help of the crossbar 1 any staggering of the longitudinal beams 8, 9 or. 13, 14 can be reached, and how the vertical course of the wall can be adapted to the course of the pressure line, resulting from wall weight and earth pressure. The device 6, 11 preventing displacement is shown as cam 16 according to FIG. 1. Furthermore, it is shown how the transverse gradient of the box wall can be changed with the help of a crossbeam in which the support levels 21 and 22 are not parallel.

Claims (9)

1. Bauteil als Querbalken (1) zur Herstellung von Kastenmauern - wobei dieser Querbalken je eine obere (2) und untere (3) Auflageebene besitzt und im folgenden das von der zu stützenden Erdmasse abgekehrte Ende des Querbalkens als dessen vorderes (4) und das der zu stützenden Erdmasse zugekehrte Ende als dessen hinteres (5) Ende bezeichnet wird -, gekennzeichnet dadurch , dass dieser Querbalken (1) an seinem vorderen Ende (4) in der oberen Auflageebene (2) eine Vorrichtung (6) besitzt, welche eine verschiebungsfreie Ueberleitung der horizontalen Schubkräfte (7) vom obenliegenden vorderen Längsbalken (8) in den Querbalken (1) gestattet; dass dieser Querbalken (1) an seinem vorderen Ende (4) in der unteren Auflageebene (3) gegenüber dem untenliegenden vorderen Längsbalken (9) in Querrichtung frei verschieblich (10) ist und somit eine beliebige Querstaffelung (a) des unteren (9) vom vorderen oberen (8) Längsbalken möglich wird; dass dieser Querbalken (1) an seinem hinteren Ende (5) in der unteren Auflageebene (3) eine Vorrichtung (11) besitzt, welche eine verschiebungsfreie Ueberleitung der horizontalen Schubkräfte (12) vom Querbalken (1) in den untenliegenden hinteren Längsbalken (13) gestattet; dass dieser Querbalken (1) an seinem hinteren Ende (5) in der oberen Auflageebene (2) gegenüber dem obenliegenden hinteren Längsbalken (14) in Querrichtung frei verschieblich (15) ist und somit eine beliebige Querstaffelung (b) des oberen (14) vom unteren hinteren (13) Längsbalken möglich wird.1.Component as a crossbeam (1) for the production of box walls - this crossbeam has an upper (2) and lower (3) support level and in the following the end of the crossbeam facing away from the earth mass to be supported as its front (4) and that the end facing the earth mass to be supported is referred to as its rear end (5) - characterized in that this crossbeam (1) has at its front end (4) in the upper support plane (2) a device (6) which has a displacement-free Transfer of the horizontal thrust forces (7) from the upper front longitudinal beam (8) into the cross beam (1) is permitted; that this crossbar (1) is freely displaceable (10) at its front end (4) in the lower support plane (3) in relation to the underlying front longitudinal beam (9) in the transverse direction and thus any cross-staggering (a) of the lower (9) from front upper (8) longitudinal beam is possible; that this crossbeam (1) has at its rear end (5) in the lower support plane (3) a device (11) which transfers the horizontal thrust forces (12) from the crossbeam (1) to the rear longitudinal beam (13) at the bottom without any displacement allowed; that this cross bar (1) at its rear end (5) in the upper support level (2) relative to the overhead rear longitudinal bar (14) is freely displaceable (15) in the transverse direction and thus any cross staggering (b) of the top (14) from lower rear (13) longitudinal beam is possible. 2. Verwendung des Bauteils als Querbalken nach Patentanspruch 1 zur Herstellung von Kastenmauern. 2nd Use of the component as a crossbar according to claim 1 for the manufacture of box walls. 3. Querbalken (1) nach Patentanspruch 1, dadurch gekennzeichnet, dass die eine Verschiebung hindernde Vorrichtung (6), (11) aus einem durch die Auflageebene (2), (3) des Querbalkens hervortretenden Nocken (16) besteht, welcher zur Querschnittsform des zu fixierenden Längsbalkens (8) , (13) passt.3. Crossbar (1) according to claim 1, characterized in that the displacement-preventing device (6), (11) consists of a protruding through the support plane (2), (3) of the crossbar cam (16), which has a cross-sectional shape of the longitudinal beam (8), (13) to be fixed. 4. Querbalken (1) nach Patentanspruch 1, dadurch gekennzeichnet, dass die eine Verschiebung hindernde Vorrichtung (6), (11) aus einem Kamm (17) im Querbalken (1) besteht, welche in eine dazu passende Nut (18) im zu fixierenden Längsbalken ( 8 ), (13) passt.4. Crossbar (1) according to claim 1, characterized in that the displacement-preventing device (6), (11) consists of a comb (17) in the crossbar (1), which in a matching groove (18) in fixing longitudinal beams (8), (13) fits. 5. Querbalken (1) nach Patentanspruch 1, dadurch gekennzeichnet, dass die eine Verschiebung hindernde Vorrichtung (6), (11) aus einer Nut im Querbalken (1) besteht, welche auf einen dazu passenden Kamm im zu fixierenden Längsbalken passt.5. Crossbar (1) according to claim 1, characterized in that the displacement-preventing device (6), (11) consists of a groove in the crossbar (1) which fits on a matching comb in the longitudinal beam to be fixed. 6. Querbalken (1) nach Patentanspruch 1, dadurch gekennzeichnet, dass die eine Verschiebung hindernde Vorrichtung (6), (11) aus einem Bolzen (19) oder Dübel besteht.6. Crossbar (1) according to claim 1, characterized in that the displacement preventing device (6), (11) consists of a bolt (19) or dowel. 7. Querbalken (1) nach Patentanspruch 1, dadurch gekennzeichnet, dass die eine Verschiebung hindernde Vorrichtung (6), (11) sich in einem Abstand (c) (20) vom Ende des Querbalkens befindet. 7 . Crossbar (1) according to claim 1, characterized in that the displacement-preventing device (6), (11) is at a distance (c) (20) from the end of the crossbar. 8. Querbalken (1) nach Patentanspruch 1, dadurch gekennzeichnet, dass die untere (3) und obere (2) Auflageebene des Querbalkens zueinander parallel sind. 8 . Crossbar (1) according to claim 1, characterized in that the lower (3) and upper (2) support plane of the crossbar are parallel to each other. 9. Querbalken (1) nach Patentanspruch 1, dadurch gekennzeichnet, dass die untere (22) und obere (21) Auflageebene des Querbalkens nicht parallel sind und eine Schnittgerade besitzen, welche in Längsrichtung der Kastenmauer verläuft, solcherart dass eine Aenderung des Quergefälles der Kastenmauer ermöglicht wird. 9 . Crossbar (1) according to claim 1, characterized in that the lower (22) and upper (21) support plane of the crossbar are not parallel and have a straight line that runs in the longitudinal direction of the box wall, so that a change in the transverse gradient of the box wall is made possible .
EP19790810020 1978-03-01 1979-02-28 Cross beam for construction of crib walls Expired EP0005412B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2178/78 1978-03-01
CH217878A CH629557A5 (en) 1978-03-01 1978-03-01 BEAMS, AS CROSS BEAMS FOR A BOX WALL.

Publications (3)

Publication Number Publication Date
EP0005412A2 true EP0005412A2 (en) 1979-11-14
EP0005412A3 EP0005412A3 (en) 1979-12-12
EP0005412B1 EP0005412B1 (en) 1982-05-19

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Application Number Title Priority Date Filing Date
EP19790810020 Expired EP0005412B1 (en) 1978-03-01 1979-02-28 Cross beam for construction of crib walls

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EP (1) EP0005412B1 (en)
CH (1) CH629557A5 (en)
DE (1) DE2962865D1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3019675A1 (en) * 1980-05-23 1981-12-03 Herwig 7031 Hildrizhausen Neumann LATCH BARS FOR THE FORMATION OF A SPACE GRID IN A COMPONENT SYSTEM FOR THE CREATION OF PLANTABLE SUPPORT WALLS
AT377553B (en) * 1981-07-06 1985-04-10 Differenz Friedrich Dipl Ing ROOM GRID DESIGN

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1627599A (en) * 1926-08-13 1927-05-10 Elbert H Dresser Concrete cribbing
US1773579A (en) * 1926-11-18 1930-08-19 Otto S Flath Cribbing
US1907053A (en) * 1931-05-07 1933-05-02 Otto S Flath Retaining wall

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1627599A (en) * 1926-08-13 1927-05-10 Elbert H Dresser Concrete cribbing
US1773579A (en) * 1926-11-18 1930-08-19 Otto S Flath Cribbing
US1907053A (en) * 1931-05-07 1933-05-02 Otto S Flath Retaining wall

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3019675A1 (en) * 1980-05-23 1981-12-03 Herwig 7031 Hildrizhausen Neumann LATCH BARS FOR THE FORMATION OF A SPACE GRID IN A COMPONENT SYSTEM FOR THE CREATION OF PLANTABLE SUPPORT WALLS
US4384810A (en) * 1980-05-23 1983-05-24 Herwig Neumann Locking beam to form a three-dimensional lattice in a construction system for plantable shoring walls
AT377553B (en) * 1981-07-06 1985-04-10 Differenz Friedrich Dipl Ing ROOM GRID DESIGN

Also Published As

Publication number Publication date
CH629557A5 (en) 1982-04-30
EP0005412B1 (en) 1982-05-19
EP0005412A3 (en) 1979-12-12
DE2962865D1 (en) 1982-07-08

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