EP0027576B1 - Supporting insert for use in apparatus for stiffening the sides of trenches - Google Patents

Supporting insert for use in apparatus for stiffening the sides of trenches Download PDF

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Publication number
EP0027576B1
EP0027576B1 EP80105929A EP80105929A EP0027576B1 EP 0027576 B1 EP0027576 B1 EP 0027576B1 EP 80105929 A EP80105929 A EP 80105929A EP 80105929 A EP80105929 A EP 80105929A EP 0027576 B1 EP0027576 B1 EP 0027576B1
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EP
European Patent Office
Prior art keywords
clamping
supporting means
shoring
trench
pivot pin
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP80105929A
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German (de)
French (fr)
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EP0027576A1 (en
Inventor
Josef Krings
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Individual
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Individual
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Priority to AT80105929T priority Critical patent/ATE2556T1/en
Publication of EP0027576A1 publication Critical patent/EP0027576A1/en
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Publication of EP0027576B1 publication Critical patent/EP0027576B1/en
Expired legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/06—Foundation trenches ditches or narrow shafts
    • E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations

Definitions

  • the invention relates to a support device for shoring walls, sheet piles or the like.
  • a support device for shoring walls, sheet piles or the like As an intermediate piece in trench shoring devices, which consist of spacing shims arranged in pairs and arranged across the trench longitudinal axis.
  • the invention is therefore based on the object of providing a support device for the cases mentioned, which makes it possible to connect the shoring devices to one another in a system-conforming manner at such interruptions or malfunctions points, so that, depending on the circumstances, small-area shoring elements may also be used here.
  • the support device has a horizontal connecting support with end parts, each of which carries a pivotable bracket about a vertical axle bolt, the end of which is remote from the axle bolt is designed as a one-piece clamping shoe connected to the console, that the clamping shoe consists of one with its longitudinal axis parallel to the axle bolt C-profile, the slot opening points away from the axle bolt and that at least one clamping screw aligned perpendicular to its longitudinal axis is arranged in the web of the clamping shoe, which carries a clamping jaw.
  • Such support devices replace the well-known "chest pieces" in wood shoring and have the advantage that they can be fastened with their clamping shoes to the guide heads of the shoring plates as well as to C-profile-like guides or guide supports and can thus be firmly connected to the existing large-area shoring .
  • Their swiveling also enables the shoring to be continued at an angle to the previous direction. They can even be swiveled outwards or inwards at right angles to the shoring plate and serve as a support for trench extensions or for a trench closure.
  • the end parts are advantageously arranged to be longitudinally displaceable relative to one another. This makes it possible to adapt the connection carrier to the local conditions.
  • FIG. 1 and 2 show the guide heads 2, which are designed as T-shaped strips, of two mounting plates 1 which are aligned with one another but spaced apart from one another by a fault location which is not shown in more detail, and which are mounted as shaft plates with guides close to the guide heads 2 on the inside of the mounting plates 1 3 are designed for spreading, not shown.
  • Each guide head 2 rests on the inside of two legs 4 of a clamping shoe 5 which is C-shaped in profile and is pressed against it by means of a clamping jaw 6 which is connected to clamping screws 8 projecting through the web 7 of the clamping shoe 5.
  • a C-shaped or fork-shaped bracket 9 is connected in one piece to each clamping shoe 5, through which an axle bolt 10 is inserted, the axial direction of which is parallel to the axial direction of the clamping shoe 5.
  • connection carrier 12 can also consist of a plurality of telescopically displaceable tubes. The length of the connection carrier 12 can thus be adapted to local requirements.
  • clamping jaws 16 which are located outside the legs 4 of the clamping shoe 5 and are pressed with clamping screws 18 against the legs 14 of a guide support 15, which belongs to a truss shoring.
  • the clamping screws and clamping jaws only need to be repositioned.
  • the drawing shows designs in which the distances between the clamping screws 8, 18 differ depending on the arrangement of the clamping jaws 6, 16. The same clamping screws and clamping jaws can also be used.
  • FIGS. 6-8 show application examples of the support device according to the invention in various trench shoring.
  • Fig. 6 two flush, but axially spaced shoring plates 19, 20 are provided.
  • the trench, not shown, supported by them is crossed by a pipeline 21 shown in dash-dot lines.
  • Clamping shoes 5 are fastened to the ends of the shoring plates 19, 20 and are connected to one another by telescopically extendable and pivotable connecting supports 12.
  • Fig.7 7 shows an application of a support device, which connects two opposing shoring plates 19 together and allows a trench bulkhead to complete the shoring.
  • This trench bulkhead is in turn of small-area shoring elements 22, z.
  • clamp shoes 5 are attached to the ends of the shoring plates 19, 20 and 23 with connecting beams 12 connecting them, on which channel boards 22 or the like are supported, which bridge the differences in width.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Supports For Pipes And Cables (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Road Paving Structures (AREA)
  • Sewage (AREA)

Description

Die Erfindung betrifft eine Abstützeinrichtung für Verbauwände, Spunddielen oder dgl. als Zwischenstück bei Grabenverbauvorrichtungen, die aus paarweise angeordneten und durchquer zur Grabenlängsachse angebrachte Spreizen auf Abstand gehaltenen Verbauplatten bestehen.The invention relates to a support device for shoring walls, sheet piles or the like. As an intermediate piece in trench shoring devices, which consist of spacing shims arranged in pairs and arranged across the trench longitudinal axis.

Beim Grabenverbau ergeben sich dann Schwierigkeiten, wenn der ausgehobene Graben durch Rohrleitungen oder dgl. gekreuzt wird, die nicht gerade an den Enden einer Verbauplatte angeordnet sind, auch wenn diese in verschiedenen Standdardlängen angeboten werden. In solchen Fällen muß der Verbau des Grabens unterbrochen werden und muß dort eine provisorische Verschalung nach Art der früher üblichen Holzverschalungen oder eine Rammdielenverschalung eingebaut werden. Diese Stellen sind nicht nur besonders gefährdet, sondern sind auch sehr lohnintensiv. Darüber hinaus stören sie das ganze Verbausystem.Difficulties arise when digging trenches if the excavated trench is crossed by pipelines or the like, which are not arranged exactly at the ends of a shoring plate, even if these are offered in different standard lengths. In such cases, the construction of the trench must be interrupted and a provisional formwork in the manner of the previously usual wooden formwork or a pile board formwork must be installed there. These positions are not only particularly at risk, but are also very wage-intensive. In addition, they interfere with the entire shoring system.

Ähnliche Probleme ergeben sich auch dann, wenn sich die Grabenbreite plötzlich vergrößert und für den quer zur Grabenlängsachse erforderlichen Verbau keine genügend kurzen Verbauplatten zur Verfügung stehen.Similar problems arise if the trench width suddenly increases and there are no sufficiently short shoring plates available for the shoring required transversely to the longitudinal axis of the trench.

Im Stand der Technik findet sich keine auf diese speziellen Probleme bezogene Lösung durch eine sekundäre Stützkonstruktion. In US-A-3 420 065 werden zwar ebenfalls horizontale, teleskopisch verschiebbare Träger vorgeschlagen. Sie dienen jedoch als normale Hauptlängsträger und sind ohne spezielle Endausbildung direkt an den Steg vertikaler Pfosten geführt.In the prior art, there is no solution to these special problems through a secondary support structure. In US-A-3 420 065 horizontal, telescopically displaceable supports are also proposed. However, they serve as normal main side members and are led directly to the web of vertical posts without any special final training.

In US-A-4 004 653 wird ein Grab-Versteifungsrahmen mit teleskopisch verlängerbaren, in der Höhe verstellbaren Spriessen dargestellt. Auch hier fehlt jeder Hinweis auf eine gelenkige Ausbildung der Endpartien, da auch hier nicht die erwähnten Probleme zu lösen sind.In US-A-4 004 653 a grave stiffening frame with telescopically extendable, height-adjustable sprouts is shown. Again, there is no indication of an articulated design for the end parts, since the problems mentioned cannot be solved here either.

Der Erfindung liegt daher die Aufgabe zugrunde, für die erwähnten Fälle eine Abstützeinrichtung zu schaffen, die es ermöglicht, die Verbauvorrichtungen an solchen Unterbrechungs- oder Störungsstellen systemkonform miteinander zu verbinden, damit hier, den Umständen entsprechend, gegebenenfalls auch kleinflächige Verbauelemente eingesetzt werden können.The invention is therefore based on the object of providing a support device for the cases mentioned, which makes it possible to connect the shoring devices to one another in a system-conforming manner at such interruptions or malfunctions points, so that, depending on the circumstances, small-area shoring elements may also be used here.

Die Lösung der gestellten Aufgabe besteht erfindungsgemäß darin, daß die Abstützeinrichtung einen waagerechten Verbindungsträger mit Endteilen aufweist, die jeweils eine um einen lotrechten Achsbolzen schwenkbare Konsole tragen, deren dem Achsbolzen abgewandtes Ende als einstückig mit der Konsole verbundener Klemmschuh ausgebildet ist, daß der Klemmschuh aus einem mit seiner Längsachse parallel zum Achsbolzen ausgerichteten C-Profil besteht, dessen Nutöffnung vom Achsbolzen wegweist und daß im Steg des Klemmschuhes mindestens eine senkrecht zu seiner Längsachse ausgerichtete Spannschraube angeordnet ist, die eine Klemmbacke trägt.The solution to the problem is, according to the invention, that the support device has a horizontal connecting support with end parts, each of which carries a pivotable bracket about a vertical axle bolt, the end of which is remote from the axle bolt is designed as a one-piece clamping shoe connected to the console, that the clamping shoe consists of one with its longitudinal axis parallel to the axle bolt C-profile, the slot opening points away from the axle bolt and that at least one clamping screw aligned perpendicular to its longitudinal axis is arranged in the web of the clamping shoe, which carries a clamping jaw.

Derartige Abstützeinrichtungen ersetzen die bekannten im Holzverbau üblichen « Brusthölzer » und haben den Vorteil, daß sie mit ihren Klemmschuhen sowohl an den Führungsköpfen der Verbauplatten, als auch an C-profilartigen Führungen oder Führungsstützen befestigbar sind und auf diese Weise fest mit dem vorhandenen Großflächenverbau verbindbar sind. Ihre Schwenkbarkeit ermöglicht auch die Weiterführung des Verbaues im Winkel zur bisherigen Richtung. Sie können sogar im rechten Winkel zur Verbauplatte nach außen oder innen geschwenkt werden und als Abstützung für Grabenerweiterungen oder für einen Grabenabschluß dienen.Such support devices replace the well-known "chest pieces" in wood shoring and have the advantage that they can be fastened with their clamping shoes to the guide heads of the shoring plates as well as to C-profile-like guides or guide supports and can thus be firmly connected to the existing large-area shoring . Their swiveling also enables the shoring to be continued at an angle to the previous direction. They can even be swiveled outwards or inwards at right angles to the shoring plate and serve as a support for trench extensions or for a trench closure.

Vorteilhaft sind die Endteile gegeneinander längsverschiebbar angeordnet. Hierdurch ist es möglich, den Verbindungsträger den örtlichen Gegebenheiten anzupassen.The end parts are advantageously arranged to be longitudinally displaceable relative to one another. This makes it possible to adapt the connection carrier to the local conditions.

Weitere Ausbildungsarten der erfindungsgemäßen Abstützeinrichtung sind Gegenstand der Unteransprüche 3 und 4.Further types of training of the support device according to the invention are the subject of dependent claims 3 and 4.

Nachstehend ist die Erfindung beispielsweise anhand der Zeichnung näher erläutert und zwar zeigen :

  • Figur 1 eine Draufsicht auf eine mit einer Verbauplatte verbundene Abstützeinrichtung gemäß der Erfindung ;
  • Figur 2 einen lotrechten Schnitt nach der Linie 11-11 in Fig. 1,
  • Figur 3 einen lotrechten Schnitt nach der Linie 111-111 in Fig. 5 durch eine mit einer Führungsstütze verbundene Abstützeinrichtung
  • Figur 4 eine Vorderansicht zu Fig. 3,
  • Figur 5 eine Draufsicht zu Fig. 3,
  • Figur 6 eine Draufsicht auf einen Grabenverbau mit den Graben kreuzender Leitung,
  • Figur 7 eine Draufsicht auf einen Verbauabschluß und
  • Figur 8 eine Draufsicht auf einen Verbau mit sich plötzlich erweiterndem Graben.
The invention is explained in more detail below, for example with reference to the drawing, in which
  • Figure 1 is a plan view of a support device connected to a shoring plate according to the invention;
  • FIG. 2 shows a vertical section along the line 11-11 in FIG. 1,
  • 3 shows a vertical section along the line 111-111 in FIG. 5 by a support device connected to a guide support
  • FIG. 4 shows a front view of FIG. 3,
  • FIG. 5 shows a top view of FIG. 3,
  • FIG. 6 shows a plan view of a trench shoring with the line crossing the trench,
  • Figure 7 is a plan view of a shoring and
  • Figure 8 is a plan view of a shoring with suddenly expanding trench.

Die Fig. 1 und 2 zeigen die als T-förmige Leisten ausgebildeten Führungsköpfe 2 zweier miteinander fluchtender, aber durch eine nicht näher dargestellte Störungsstelle voneinander mit Abstand angeordneter Verbauplatten 1, die als Schachtplatten mit nahe den Führungsköpfen 2 auf der Innenseite der Verbauplatten 1 angebrachten Führungen 3 für nicht dargestellte Spreizen ausgebildet sind.1 and 2 show the guide heads 2, which are designed as T-shaped strips, of two mounting plates 1 which are aligned with one another but spaced apart from one another by a fault location which is not shown in more detail, and which are mounted as shaft plates with guides close to the guide heads 2 on the inside of the mounting plates 1 3 are designed for spreading, not shown.

Jeder Führungskopf 2 liegt an der Innenseite zweier Schenkel 4 eines im Profil C-förmigen Klemmschuhes 5 an und wird gegen diese mittels einer Klemmbacke 6 angedrückt, die mit durch den Steg 7 des Klemmschuhes 5 ragenden Spannschrauben 8 verbunden ist.Each guide head 2 rests on the inside of two legs 4 of a clamping shoe 5 which is C-shaped in profile and is pressed against it by means of a clamping jaw 6 which is connected to clamping screws 8 projecting through the web 7 of the clamping shoe 5.

Einstückig mit jedem Klemmschuh 5 ist eine C-oder gabelförmige Konsole 9 verbunden, durch die ein Achsbolzen 10 gesteckt ist, dessen Achsrichtung parallel zur Achsrichtung des Klemmschuhes 5 ist.A C-shaped or fork-shaped bracket 9 is connected in one piece to each clamping shoe 5, through which an axle bolt 10 is inserted, the axial direction of which is parallel to the axial direction of the clamping shoe 5.

In jeder Konsole 9 ist schwenkbar ein Endteil 11 eines waagerechten Verbindungsträgers 12 aufgenommen, der teleskopisch ausziehbar ist. Der Verbindungsträger 12 kann auch aus mehreren teleskopisch ineinander verschiebbaren Rohren bestehen. Die Länge des Verbindungsträgers 12 läßt sich so den örtlichen Erfordernissen anpassen.In each bracket 9, an end part 11 of a horizontal connecting bracket 12 is pivotable taken, which is telescopically extendable. The connection carrier 12 can also consist of a plurality of telescopically displaceable tubes. The length of the connection carrier 12 can thus be adapted to local requirements.

An der Außenseite des Klemmschuhes 5 ist ferner ein den Spalt zwischen ihm und der Verbauplatte 1 überdeckendes Abdeckblech 13 angebracht.On the outside of the clamping shoe 5 there is also a cover plate 13 covering the gap between it and the lining plate 1.

Die Fig. 3-5 zeigen im wesentlichen die gleiche Vorrichtung, jedoch mit dem Unterschied, daß hier Klemmbacken 16 verwendet sind, die sich außerhalb der Schenkel 4 des Klemmschuhes 5 befinden und mit Spannschrauben 18 gegen die Schenkel 14 einer Führungsstütze 15 gedrückt werden, die zu einem Randträgerverbau gehört.3-5 show essentially the same device, but with the difference that here clamping jaws 16 are used, which are located outside the legs 4 of the clamping shoe 5 and are pressed with clamping screws 18 against the legs 14 of a guide support 15, which belongs to a truss shoring.

Um die erfindungsgemäße Vorrichtung für beide Ausführungsbeispiele verwenden zu können, brauchen die Spannschrauben und Klemmbacken jeweils nur umgesteckt werden. Die Zeichnung zeigt Ausführungen, bei denen die Abstände der Spannschrauben 8, 18 je nach Anordnung der Klemmbakken 6, 16 verschieden sind. Es können aber auch die gleichen Spannschrauben und Klemmbacken verwendet werden.In order to be able to use the device according to the invention for both exemplary embodiments, the clamping screws and clamping jaws only need to be repositioned. The drawing shows designs in which the distances between the clamping screws 8, 18 differ depending on the arrangement of the clamping jaws 6, 16. The same clamping screws and clamping jaws can also be used.

Um eine leichtere Einstellung der Spannschrauben 8 bei dem in Fig. 1 und 2 gezeigten Ausführungsbeispiel zu ermöglichen, sind hierfür, wie Fig. 4 zeigt, waagerechte Langlöcher 17 im Klemmschuh 5 vorgesehen.In order to enable easier adjustment of the clamping screws 8 in the embodiment shown in FIGS. 1 and 2, horizontal elongated holes 17 are provided in the clamping shoe 5, as shown in FIG. 4.

Die Fig.6-8 zeigen Anwendungsbeispiele der erfindungsgemäßen Abstützeinrichtung bei verschiedenen Grabenverbauen.FIGS. 6-8 show application examples of the support device according to the invention in various trench shoring.

In Fig. 6 sind zwei fluchtende, jedoch axial mit Abstand voneinander angeordnete Verbauplatten 19, 20 vorgesehen. Der von ihnen abgestützte, nicht dargestellte Graben wird von einer strichpunktiert dargestellten Rohrleitung 21 gekreuzt.In Fig. 6 two flush, but axially spaced shoring plates 19, 20 are provided. The trench, not shown, supported by them is crossed by a pipeline 21 shown in dash-dot lines.

An den Enden der Verbauplatten 19, 20 sind Klemmschuhe 5 befestigt, die von teleskopisch ausziehbaren und schwenkbaren Verbindungsträgern 12 miteinander verbunden sind. An den Außenseiten der Verbindungsträger 12 sind kleinflächige Verbauelemente 22, z. B. Kanaldielen mit trapezförmigem Profil so angeordnet, daß die Verbaulücke weitgehend abgesichert ist.Clamping shoes 5 are fastened to the ends of the shoring plates 19, 20 and are connected to one another by telescopically extendable and pivotable connecting supports 12. Small-area shoring elements 22, e.g. B. channel boards with a trapezoidal profile arranged so that the installation gap is largely secured.

Fig.7 7 zeigt eine Anwendung einer Abstützeinrichtung, wobei diese zwei gegenüberliegende Verbauplatten 19 miteinander verbindet und ein Grabenschott als Abschluß des Verbaues ermöglicht. Dieses Grabenschott wird wiederum von kleinflächigen Verbauelemente 22, z. B. Kanaldielen, gebildet.Fig.7 7 shows an application of a support device, which connects two opposing shoring plates 19 together and allows a trench bulkhead to complete the shoring. This trench bulkhead is in turn of small-area shoring elements 22, z. B. channel planks formed.

Fig. 8 zeigt eine Grabenerweiterung. Zum Ausgleich der sich ändernden Grabenweite sind an den Enden der Verbauplatten 19, 20 und 23 jeweils Klemmschuhe 5 mit sie verbindenden Verbindungsträgern 12 angebracht, an denen sich Kanaldielen 22 oder dgl. abstützen, die die Weitenunterschiede überbrücken.8 shows a trench extension. To compensate for the changing trench width, clamp shoes 5 are attached to the ends of the shoring plates 19, 20 and 23 with connecting beams 12 connecting them, on which channel boards 22 or the like are supported, which bridge the differences in width.

Claims (4)

1. Supporting means for sheeting walls, sheet piles or the like as an insert in apparatus for stiffening the sides of trenches, comprising pairs of sheeting plates (1) kept in spaced relation by struts (11, 12) which are transversally arranged with respect to the longitudinal axis of a trench, characterized in that said supporting means comprises a horizontal connection beam (12) with end portions (11) which each of which carries a bracket (9) pivotable about a vertical pivot pin (10), the end portion of said bracket being averted from said pivot pin (10), being formed as a clamping shoe (5) which is integrally connected to said bracket (9), that said clamping shoe (5) consists of a C-profile the longitudinal axis if which being parallel with respect to said pivot pin (10), the groove opening of said C-profile being averted from said pivot pin (10) and that in the bight (7) of said clamping shoe (5) at least one clamping bolt (8,18) is disposed which is vertically disposed with respect to the longitudinal axis of said clamping shoe (5) and carries a clamping jaw (6 or 16, respectively).
2. Supporting means according to claim 1, characterized in that the end portions (11) are disposed to be relatively displaceable in longitudinal direction.
3. Supporting means according to claim 1 or 2, characterized in that the connection beam (12) consists of telescopically interconnected and guided pipes.
4. Supporting means according to one of the claims 1-3. characterized in that the pivot pins (10) are releaseably arranged.
EP80105929A 1979-10-10 1980-10-01 Supporting insert for use in apparatus for stiffening the sides of trenches Expired EP0027576B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80105929T ATE2556T1 (en) 1979-10-10 1980-10-01 SUPPORT DEVICE AS AN INTERMEDIATE PIECE IN A TRENCH Shoring DEVICE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2941002A DE2941002C2 (en) 1979-10-10 1979-10-10 Horizontal longitudinal beam for a trench sheeting device
DE2941002 1979-10-10

Publications (2)

Publication Number Publication Date
EP0027576A1 EP0027576A1 (en) 1981-04-29
EP0027576B1 true EP0027576B1 (en) 1983-02-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP80105929A Expired EP0027576B1 (en) 1979-10-10 1980-10-01 Supporting insert for use in apparatus for stiffening the sides of trenches

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EP (1) EP0027576B1 (en)
JP (1) JPS5848692B2 (en)
AR (1) AR223537A1 (en)
AT (1) ATE2556T1 (en)
AU (1) AU532997B2 (en)
BR (1) BR8003033A (en)
CA (1) CA1125258A (en)
CS (1) CS216932B2 (en)
DE (1) DE2941002C2 (en)
DK (1) DK148945B (en)
ES (1) ES253736Y (en)
FI (1) FI801217A (en)
GR (1) GR70315B (en)
HU (1) HU181195B (en)
IL (1) IL59743A (en)
IN (1) IN151781B (en)
MX (1) MX150706A (en)
NO (1) NO802551L (en)
OA (1) OA06619A (en)
PL (1) PL122709B1 (en)
PT (1) PT71869B (en)
YU (1) YU39877B (en)
ZA (1) ZA802041B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19813282A1 (en) 1998-03-26 1999-09-30 Richter Wolfgang Trench sheeting device
CN114908767B (en) * 2022-05-18 2024-06-21 南京东固建设科技有限公司 Intelligent lattice column device capable of realizing compensation and adjustment of inclination and settlement

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1987077U (en) * 1968-06-06 Julius Keller Tiefbau 6238 Hofheim Device for trimming trenches
DE1266696B (en) * 1964-05-06 1968-04-18 Capito & Assenmacher G M B H Device for shoring trench walls
US3420065A (en) * 1967-03-06 1969-01-07 Edward J Holl Adjustable bracing means for vertically disposed earth-shoring planking
GB1268786A (en) * 1969-04-17 1972-03-29 Morrice Anthony R S Trench shoring frame
DE2450281A1 (en) * 1974-10-23 1976-04-29 Hochtief Ag Hoch Tiefbauten Machine for excavation and shoring of trenches - has hydraulically actuated excavation plates with space for prefabricated shoring plates
US4004653A (en) * 1975-07-14 1977-01-25 Hass Ray C Grave frame
US3992887A (en) * 1976-02-09 1976-11-23 Griswold Machine & Engineering, Inc. Trench shoring assembly with force transferring accessory
US4056940A (en) * 1976-10-26 1977-11-08 Griswold Machine & Engineering, Inc. Trench box height adaptor

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Publication number Publication date
FI801217A (en) 1981-04-11
ES253736U (en) 1981-03-01
EP0027576A1 (en) 1981-04-29
MX150706A (en) 1984-07-02
IN151781B (en) 1983-07-30
AU532997B2 (en) 1983-10-27
HU181195B (en) 1983-06-28
CS216932B2 (en) 1982-12-31
PT71869B (en) 1981-10-15
GR70315B (en) 1982-09-09
AR223537A1 (en) 1981-08-31
NO802551L (en) 1981-04-13
PL122709B1 (en) 1982-08-31
OA06619A (en) 1980-12-31
IL59743A0 (en) 1980-06-30
PT71869A (en) 1980-11-01
YU39877B (en) 1985-04-30
ZA802041B (en) 1981-04-29
AU5752080A (en) 1981-04-16
CA1125258A (en) 1982-06-08
ES253736Y (en) 1981-09-16
JPS5848692B2 (en) 1983-10-29
DK151280A (en) 1981-04-11
JPS5659924A (en) 1981-05-23
DE2941002B1 (en) 1981-03-26
YU129280A (en) 1983-06-30
BR8003033A (en) 1980-09-30
DK148945B (en) 1985-11-25
PL224030A1 (en) 1981-04-10
DE2941002C2 (en) 1981-12-17
ATE2556T1 (en) 1983-03-15
IL59743A (en) 1982-09-30

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