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EP0034297A1 - Supporting unit for trenches - Google Patents

Supporting unit for trenches Download PDF

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Publication number
EP0034297A1
EP0034297A1 EP81100757A EP81100757A EP0034297A1 EP 0034297 A1 EP0034297 A1 EP 0034297A1 EP 81100757 A EP81100757 A EP 81100757A EP 81100757 A EP81100757 A EP 81100757A EP 0034297 A1 EP0034297 A1 EP 0034297A1
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EP
European Patent Office
Prior art keywords
locking
ramming
stops
support frame
board
Prior art date
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.)
Granted
Application number
EP81100757A
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German (de)
French (fr)
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EP0034297B1 (en
Inventor
Josef Krings
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Individual
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Individual
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Publication date
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Priority to AT81100757T priority Critical patent/ATE9604T1/en
Publication of EP0034297A1 publication Critical patent/EP0034297A1/en
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Publication of EP0034297B1 publication Critical patent/EP0034297B1/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 shoring unit, consisting of at least one horizontal, transversely adjustable support frame made of profiled steel parts with guide heads attached to its longitudinal spars, and a plurality of ramming planks which are approximately wavy in cross section and which have a guide profile on their inside for the positive reception of an associated guide head.
  • the invention is therefore based on the object of designing the sheeting unit in such a way that it can be preassembled outside the trench before it is installed and can be introduced as a whole into the trench region to be protected using a suitable lifting device.
  • each ramming disc on its inside with a distance Has superimposed stops and that locking devices are arranged on the longitudinal spars of the support frame, the locking element of which can be moved in and out of the area between two superimposed stops of an associated ramming board.
  • the mobility of the ramming planks which can only be moved axially on the guide heads, is limited to the relatively short distance between two superimposed stops, so that the preassembled shoring unit can be moved in an intended manner.
  • the shoring unit consists of at least one rigid support frame 1, which in turn consists of two longitudinal spars 2 and longitudinally adjustable spreaders 3 which engage at their ends.
  • the longitudinal spars 2 consist of section steel beams.
  • Guide devices 4 are arranged at regular intervals on the longitudinal spars. These consist of gusset plates 5 welded on above and below the longitudinal spar 2 with an outwardly pointing web 6, to which a perpendicular, outwardly open U-profile 7 is welded. In this U-profile 7 support rollers 8 are mounted around horizontal axes.
  • disc-shaped rollers 9 are mounted in recesses of the web, which are each rotatable about horizontal axes perpendicular to the axes of the rollers 8.
  • the U-profile 7 and the rollers 8, 9 each form a guide head 10.
  • a number of ramming boards 11 are also assigned to the supporting frame 1, which have an undulating profile which is designed such that the side edges of adjacent ramming boards 11 overlap.
  • a C-profile support 12 is welded into an outwardly projecting bend of each ramming board, in which the associated guide head 10 can be positively received in such a way that the ramming board 11 is guided perpendicular to the supporting frame 1.
  • a number of stops 15 are welded at regular intervals, which are formed from horizontal shelves.
  • locking devices 16 which are shown on an enlarged scale in FIGS. 3 and 4, are arranged on the longitudinal spars 2 of the supporting frame 1.
  • Each locking device 16 consists of a base plate 17 fastened to the respective longitudinal spar 2, a bearing block 18 mounted thereon, a locking bolt 19 axially movable in the bearing block 18 transversely to the longitudinal direction of the longitudinal spar 2, and stops 20, 21.
  • the stop 20 is arranged on the side of the locking bolt 19 and serves as a system for a locking lever 22 attached to it.
  • This locking lever 22 is attached radially to the locking bolt 19.
  • the stop 21 is arranged axially to the locking bolt 19 and limits its stroke to the rear.
  • the front part 23 of the locking bolt 19 protrudes into the space of the hollow profile 14 in the locked position (FIGS. 3 and 4) and would abut one of the shelves 15 delimiting it at the top and bottom if there was a relative movement between the support frame 1 and the ramming board 11.
  • the locking is released by a simple quarter-turn of the locking bolt 19 and the locking lever 22 connected to it, as well as pulling back the locking bolt 19 against the stop 21.
  • the ramming board 11 is then free to move relative to the supporting frame.
  • the entire shoring unit can be pre-mined outside the trench piece to be built and then lowered into the more or less deeply dug trench using a suitable lifting device.
  • the ramming boards can then be rammed deeper into the ground after they have been unlocked.
  • the support frame is locked again with the ramming boards and can then be picked up as a unit by the lifting gear.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Revetment (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Road Paving Structures (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Finishing Walls (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Automatic Assembly (AREA)

Abstract

Verbaueinheit, bestehend aus mindestens einem waagerechten Tragrahmen (1) mit an seinen Längsholmen (2) angeordneten, nach außen ragenden Führungsköpfen, (10), die in an der Innenseite von Kanaldielen (11), angeordneten Führungen (12) eingreifen, wobei jede Kanaldiele (11) auf ihrer Innenseite mitAbstand übereinander angeordnete Anschläge (15) aufweist und die Längsholme (2) Verriegelungselemente tragen (16), die zwischen zwei übereinander befindliche Anschläge (15) bewegbar sind.

Figure imgaf001
Shoring unit, consisting of at least one horizontal support frame (1) with outwardly projecting guide heads (10) arranged on its longitudinal spars (2), which engage in guides (12) arranged on the inside of duct boards (11), each duct board (11) has on their inner side spaced stops (15) and the longitudinal bars (2) carry locking elements (16) which can be moved between two stacked stops (15).
Figure imgaf001

Description

Die Erfindung betrifft eine Verbaueinheit, bestehend aus mindestens einem waagerechten, in Querrichtung verstellbaren Tragrahmen aus Profilstahlteilen mit an seinen Längsholmen befestigten Führungsköpfen sowie einer Vielzahl von im Querschnitt etwa wellenförmigen Rammdielen, die auf ihrer Innenseite ein Führungsprofil zur formschlüssigen Aufnahme eines zugeordneten Führungskopfes aufweisen.The invention relates to a shoring unit, consisting of at least one horizontal, transversely adjustable support frame made of profiled steel parts with guide heads attached to its longitudinal spars, and a plurality of ramming planks which are approximately wavy in cross section and which have a guide profile on their inside for the positive reception of an associated guide head.

Bei einer solchen Verbaueinheit ist es sehr zeitraubend und mühsam, wenn die Einzelprofile im zu schützenden Graben zusammengesetzt werden müssen. Es ist daher erwünscht, die Tragrahmen und Rammdielen bereits vor ihrem Einbau zusammenzusetzen und dieses Gebilde, gewissermaßen als Verbaukorb, in den abzusichernden Bereich zu heben.With such a shoring unit, it is very time-consuming and tedious if the individual profiles have to be assembled in the trench to be protected. It is therefore desirable to put the support frames and ramming boards together before they are installed and to lift this structure, as a kind of shoring basket, into the area to be secured.

Da die Rammdielen bestimmungsgemäß in lotrechter Richtung frei beweglich gegenüber dem Tragrahmen sind, war eine derartige Vormontage bisher weder üblich noch möglich.Since the ramming boards are intended to be freely movable in the vertical direction relative to the supporting frame, such a pre-assembly has so far been neither usual nor possible.

Der Erfindung liegt daher die Aufgabe zugrunde, die Verbaueinheit so zu gestalten, daß sie vor ihrem Einbau außerhalb des Grabens vormontiert und mit einem geeigneten Hebezeug als Ganzes in den zu schützenden Grabenbereich eingebracht werden kann.The invention is therefore based on the object of designing the sheeting unit in such a way that it can be preassembled outside the trench before it is installed and can be introduced as a whole into the trench region to be protected using a suitable lifting device.

Die gestellte Aufgabe wird gemäß der Erfindung dadurch gelöst, daß jede Rammdisle auf ihrer Innenseite mit Abstand übereinander angeordnete Anschläge aufweist und daß auf den Längsholmen des Tragrahmens Verriegelungseinnchtungen angeordnet sind, deren Verriegelungselement in und aus dem Bereich zwischen zwei übereinander angeordneten Anschlägen einer zugeordneten Rammdiele bewegbar ist.The object is achieved according to the invention in that each ramming disc on its inside with a distance Has superimposed stops and that locking devices are arranged on the longitudinal spars of the support frame, the locking element of which can be moved in and out of the area between two superimposed stops of an associated ramming board.

Durch diese Maßnahme ist die Beweglichkeit der wegen der Formschlußführung an den Führungsköpfen nur axial bewegbaren Rammdielen auf den relativ kurzen Abstand zwischen zwei übereinanderliegenden Anschlägen beschränkt, so daß die vormontierte Verbaueinheit in beabsichtigter Weise bewegt werden kann.As a result of this measure, the mobility of the ramming planks, which can only be moved axially on the guide heads, is limited to the relatively short distance between two superimposed stops, so that the preassembled shoring unit can be moved in an intended manner.

Weitere Einzelheiten der Erfindung ergeben sich aus den Unteransprüchen.Further details of the invention emerge from the subclaims.

Nachstehend ist die Erfindung anhand der Zeichnung an einem Ausführungsbeispiel näher erläutert. Es zeigen:

  • Fig. 1 eine perspektivische Teilansicht einer Verbaueinheit gemäß der Erfindung,
  • Fig. 2 eine Draufsicht auf eine Verbaueinheit,
  • Fig. 3 eine Draufsicht auf eine Verriegelungseinrichtung in vergrößertem Maßstab und
  • Fig. 4 eine Seitenansicht einer Verriegelungseinrichtung.
The invention is explained in more detail below with reference to the drawing using an exemplary embodiment. Show it:
  • 1 is a partial perspective view of a shoring unit according to the invention,
  • 2 is a plan view of a shoring unit,
  • Fig. 3 is a plan view of a locking device on an enlarged scale and
  • Fig. 4 is a side view of a locking device.

Gemäß den Fig. 1 und 2 besteht die Verbaueinheit aus mindestens einem starren Tragrahmen 1, der seinerseits aus je zwei Längsholmen 2 und an deren Enden angreifenden, längsverstellbaren Spreizen 3 besteht. Die Längsholme 2 bestehen aus Profilstahlträgern.According to FIGS. 1 and 2, the shoring unit consists of at least one rigid support frame 1, which in turn consists of two longitudinal spars 2 and longitudinally adjustable spreaders 3 which engage at their ends. The longitudinal spars 2 consist of section steel beams.

In regelmäßigem Abstand auf den Längsholmen verteilt sind Führungseinrichtungen 4 angeordnet. Diese bestehen aus ober-und unterhalb des Längsholmes 2 angeschweißten Knotenblechen 5 mit einem nach außen weisenden Steg 6, an dem ein lotrechtes, nach außen offenes U-Profil 7 angeschweißt ist. In diesem U-Profil 7 sind um waagerechte Achsen umlaufende Stützrollen 8 gelagert.Guide devices 4 are arranged at regular intervals on the longitudinal spars. These consist of gusset plates 5 welded on above and below the longitudinal spar 2 with an outwardly pointing web 6, to which a perpendicular, outwardly open U-profile 7 is welded. In this U-profile 7 support rollers 8 are mounted around horizontal axes.

An der Rückseite des U-Profils 7 sind in Ausnehmungen des Steges 6 scheibenförmige Rollen 9 gelagert, die jeweils um waagerechte, senkrecht zu den Achsen der Rollen 8 gelagerte Achsen drehbar sind. Das U-Profil 7 und die Rollen 8,9 bilden jeweils einen Führungskopf 10.On the back of the U-profile 7 6 disc-shaped rollers 9 are mounted in recesses of the web, which are each rotatable about horizontal axes perpendicular to the axes of the rollers 8. The U-profile 7 and the rollers 8, 9 each form a guide head 10.

Dem Tragrahmen 1 sind ferner eine Anzahl Rammdielen 11 zugeordnet,die ein wellenförmiges Profil haben, das so ausgebildet ist, daß sich die Seitenkanten benachbarter Rammdielen 11 übergreifen. In einer nach außen vorstehenden Abkantung jeder Rammdiele ist ein C-Profilträger 12 eingeschweißt, in dem der zugeordnete Führungskopf 10 formschlüssig so aufnehmbar ist, daß die Rammdiele 11 senkrecht zum Tragrahmen 1 geführt ist.A number of ramming boards 11 are also assigned to the supporting frame 1, which have an undulating profile which is designed such that the side edges of adjacent ramming boards 11 overlap. A C-profile support 12 is welded into an outwardly projecting bend of each ramming board, in which the associated guide head 10 can be positively received in such a way that the ramming board 11 is guided perpendicular to the supporting frame 1.

In dem verbliebenen Hohlprofil 14 zwiwchen dem C-Profilträger 12 und einer Wange 13 der Rammdiele 11 sind mit regelmäßigem Abstand übereinander eine Anzahl Anschläge 15 eingeschweißt, die aus waagerechten Fachböden gebildet sind.In the remaining hollow profile 14 between the C-profile support 12 and a cheek 13 of the ramming board 11, a number of stops 15 are welded at regular intervals, which are formed from horizontal shelves.

Neben den Führungseinrichtungen 4 sind auf den Längsholmen 2rdes Tragrahmens 1 jeder Rammdiele zugeordnete Verriegelungseinrichtungen 16 angeordnet, die in den Fig. 3 und 4 in vergrößertem Maßstab dargestellt sind.In addition to the guide devices 4, locking devices 16, which are shown on an enlarged scale in FIGS. 3 and 4, are arranged on the longitudinal spars 2 of the supporting frame 1.

Jede Verriegelungseinrichtung 16 besteht aus einer auf dem jeweiligen Längsholm 2 befestigten Grundplatte 17, einem darauf angebrachten Lagerbock 18, einem im Lagerbock 18 quer zur Längsrichtung des Längsholmes 2 axial bewegbaren Verriegelungsbolzen 19 und Anschlägen 20,21. Der Anschlag 20 ist seitlich des Verriegelungsbolzens 19 angeordnet und dient einem an diesem befestigten Sperrhebel 22 als Anlage. Dieser Sperrhebel 22 ist radial am Verriegelungsbolzen 19 befestigt. Der Anschlag 21 ist axial zum Verriegelungsbolzen 19 angeordnet und begrenzt dessen Hub nach rückwärts.Each locking device 16 consists of a base plate 17 fastened to the respective longitudinal spar 2, a bearing block 18 mounted thereon, a locking bolt 19 axially movable in the bearing block 18 transversely to the longitudinal direction of the longitudinal spar 2, and stops 20, 21. The stop 20 is arranged on the side of the locking bolt 19 and serves as a system for a locking lever 22 attached to it. This locking lever 22 is attached radially to the locking bolt 19. The stop 21 is arranged axially to the locking bolt 19 and limits its stroke to the rear.

Der vordere Teil 23 des Verriegelungsbolzens 19 ragt in der Sperrstellung ( Fig. 3 und 4) in den Raum des Hohlprofils 14 hinein und würde bei einer Relativbewegung zwischen dem Tragrahmen 1 und der Rammdiele 11 an einem der ihn oben und unten begrenzenden Fachböden 15 anstoßen.The front part 23 of the locking bolt 19 protrudes into the space of the hollow profile 14 in the locked position (FIGS. 3 and 4) and would abut one of the shelves 15 delimiting it at the top and bottom if there was a relative movement between the support frame 1 and the ramming board 11.

Durch eine einfache Vierteldrehung des Verriegelungsbolzens 19 und des mit ihm verbundenen Sperrhebels 22, sowie Zurückziehen des Verriegelungsbolzens 19 gegen den Anschlag 21 wird die Verriegelung aufgehoben. Die Rammdiele 11 ist dann gegenüber dem Tragrahmen freibeweglich.The locking is released by a simple quarter-turn of the locking bolt 19 and the locking lever 22 connected to it, as well as pulling back the locking bolt 19 against the stop 21. The ramming board 11 is then free to move relative to the supporting frame.

Im Betrieb kann so die ganze Verbaueinheit außerhalb des zu verbauenden Grabenstücks vormintiert und dann mittels eines geeigneten Hebzeuges in das mehr oder weniger tief ausgehobene Grabenstück abgesenkt werden. Dort könnendann die Rammdielen nach ihrer Entriegelung tiefer in das Erdreich eingerammt werden. Durch die V ormontage der Verbaueinheit werden beträchtliche Einfädelungsarbeiten und nachstellarbeiten vermieden und wird ein gleichzeitiger vorläfiger Schutz des Grabeninnern hergestellt.In operation, the entire shoring unit can be pre-mined outside the trench piece to be built and then lowered into the more or less deeply dug trench using a suitable lifting device. The ramming boards can then be rammed deeper into the ground after they have been unlocked. By pre-assembling the shoring unit, considerable threading and re-adjustment work is avoided and a simultaneous preliminary protection of the interior of the trench is produced.

Um die Verbaueinheit aus dem wieder verfüllten Graben herauszuziehen, wird der Tragrahmen wieder mit den Rammdielen verriegelt und kann dann als Einheit vom Hebzeug aufgenommen werden.To pull the shoring unit out of the refilled trench, the support frame is locked again with the ramming boards and can then be picked up as a unit by the lifting gear.

Claims (3)

1. Verbaueinheit, bestehend aus mindestens einem waagerechten, in Querrichtung verstellbaren Tragrahmen aus Profilstahlteilen, mit an seinen Längsholmen befestigten Führungsköpfen sowie einer Vielzahl von im Querschnitt etwa wellenförmigen Rammdielen, die auf ihrer Innenseite ein Führungsprofil zur formschlüssigen Aufnaheme eines zugeordneten Führungskopfes des Tragrahmens aufweisen, dadurch gekennzeichnet, daß jede Rammdiele (11) auf ihrer Innenseite mit Abstand übereinander angeordnete Anschläge (15) aufweist, und daß auf den Längsholmen (2) des Tragrahmens (1) Verriegelungseinrichtungen (16) angeordnet sind, deren Verriegelungselement (19) in und aus dem Bereich (14) zwischen zwei übereinander angeordneten Anschlägen (15) einer zugeordneten Rammdiele (11) bewegbar ist.1.Installation unit, consisting of at least one horizontal, transversely adjustable support frame made of section steel parts, with guide heads attached to its longitudinal spars and a large number of ramming planks with an undulating cross-section, which have a guide profile on the inside for the positive reception of an assigned guide head of the support frame characterized in that each ramming board (11) has on its inside spaced stops (15), and that on the longitudinal spars (2) of the support frame (1) locking devices (16) are arranged, the locking element (19) in and out of Area (14) between two superposed stops (15) of an associated ramming board (11) is movable. 2. Verbaueinheit nach Anspruch 1, dadurch gekennzeichnet, daß die Anschläge (15) waagerechte in Hohlprofilabschnitte (14) der Rammdiele (11) eingesetzte Fachböden sind.2. Shoring unit according to claim 1, characterized in that the stops (15) are horizontal in hollow profile sections (14) of the ramming board (11) used shelves. 3. Verbaueinheit nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Verriegelungseinrichtung (16) aus einem durch einen Lagerbock (18) geführten Verriegelungsbolzen (19) mit daran befestigtem radialen Sperrhebel (22) besteht, der mit einem seitlichen Sperranschlag (20) zusammenwirkt.3. Shoring unit according to claim 1 or 2, characterized in that the locking device (16) consists of a through a bearing block (18) guided locking bolt (19) with attached radial locking lever (22) which cooperates with a lateral locking stop (20) .
EP81100757A 1980-02-09 1981-02-03 Supporting unit for trenches Expired EP0034297B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81100757T ATE9604T1 (en) 1980-02-09 1981-02-03 Shoring unit for trenches.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803004923 DE3004923A1 (en) 1980-02-09 1980-02-09 MOUNTING UNIT
DE3004923 1980-02-09

Publications (2)

Publication Number Publication Date
EP0034297A1 true EP0034297A1 (en) 1981-08-26
EP0034297B1 EP0034297B1 (en) 1984-09-26

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US (1) US4376599A (en)
EP (1) EP0034297B1 (en)
JP (1) JPS5851093B2 (en)
AR (1) AR228146A1 (en)
AT (1) ATE9604T1 (en)
AU (1) AU539236B2 (en)
BG (1) BG34764A3 (en)
BR (1) BR8100716A (en)
CA (1) CA1135238A (en)
CS (1) CS216546B2 (en)
DE (1) DE3004923A1 (en)
DK (1) DK51981A (en)
ES (1) ES256303Y (en)
FI (1) FI810306L (en)
GR (1) GR74420B (en)
HU (1) HU183316B (en)
IE (1) IE50770B1 (en)
IL (1) IL62077A (en)
IN (1) IN151579B (en)
MX (1) MX150847A (en)
NO (1) NO810076L (en)
PH (1) PH17538A (en)
PL (1) PL131085B1 (en)
PT (1) PT72453B (en)
RO (1) RO82206A (en)
SU (1) SU971112A3 (en)
YU (1) YU26381A (en)
ZA (1) ZA81822B (en)

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DE4432306A1 (en) * 1994-09-10 1996-03-14 Emunds & Staudinger Gmbh & Co Shuttering to support stepped walls of trench
CN111549795A (en) * 2020-05-28 2020-08-18 浙江明思特建筑支护技术有限公司 Parallel combined type supporting head

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US6821057B1 (en) * 2000-04-05 2004-11-23 Maksim Kadiu Magnetic shoring device
US7048471B2 (en) * 2000-04-05 2006-05-23 Maksim Kadiu Shoring device
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US7661908B1 (en) * 2008-08-08 2010-02-16 Kundel Sr Robert Trench shield with adjustable vertical panels
FR2949796B1 (en) * 2009-09-09 2012-03-23 Larmure DEVICE FOR SUPPORTING WALLS OF A TRENCH
CN103821521B (en) * 2014-02-25 2015-11-25 冯莉莉 The manufacture method of rotary leading truck
CN103821522B (en) * 2014-02-25 2015-11-25 冯莉莉 Rotary guide frame
US20170002538A1 (en) * 2015-06-30 2017-01-05 Trinity Shoring Products, Inc. System and Method for a Telescopic Strut
CN106381875B (en) * 2016-11-22 2018-04-24 青岛理工大学 Regulation and control device for applying steel support prestress to deep foundation pit
EP3714107A4 (en) 2017-11-22 2021-07-28 National Trench Safety, LLC Roller cart for excavation support structures and methods for using same
EP3714106A4 (en) * 2017-11-22 2021-08-04 National Trench Safety, LLC Excavation support system and methods for installing same
WO2019103924A1 (en) 2017-11-22 2019-05-31 National Trench Safety, Llc Corner roller cart for excavation support structures and methods for using same
CN108425367B (en) * 2018-04-09 2023-08-29 成都利拓重工机械有限公司 Movable support shield for urban pipe bag construction and mounting seat thereof
CN111809630B (en) * 2020-07-15 2021-08-10 中国建筑第八工程局有限公司 Steel support filling type support structure and construction method
CN113846644B (en) * 2021-08-25 2022-11-01 东通岩土科技股份有限公司 Foundation pit steel supporting structure utilizing haunch structure
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Cited By (5)

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DE4402277A1 (en) * 1994-01-27 1995-08-03 Wilhelm Fenners Baugesellschaf Method of manufacturing ditch wall reinforcement for large pipe installations
DE4432306A1 (en) * 1994-09-10 1996-03-14 Emunds & Staudinger Gmbh & Co Shuttering to support stepped walls of trench
DE4432306C2 (en) * 1994-09-10 1998-07-09 Emunds & Staudinger Gmbh & Co Shoring device
CN111549795A (en) * 2020-05-28 2020-08-18 浙江明思特建筑支护技术有限公司 Parallel combined type supporting head
CN111549795B (en) * 2020-05-28 2021-07-27 浙江明思特建筑支护技术有限公司 Parallel combined type supporting head

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AU539236B2 (en) 1984-09-20
RO82206A (en) 1983-07-07
SU971112A3 (en) 1982-10-30
PT72453B (en) 1982-02-12
MX150847A (en) 1984-07-31
GR74420B (en) 1984-06-28
PT72453A (en) 1981-03-01
PL131085B1 (en) 1984-10-31
US4376599A (en) 1983-03-15
CS216546B2 (en) 1982-11-26
EP0034297B1 (en) 1984-09-26
IE810219L (en) 1981-08-09
BG34764A3 (en) 1983-11-15
IL62077A (en) 1985-03-31
CA1135238A (en) 1982-11-09
IL62077A0 (en) 1981-03-31
JPS5851093B2 (en) 1983-11-14
HU183316B (en) 1984-04-28
IE50770B1 (en) 1986-07-09
BR8100716A (en) 1981-08-18
IN151579B (en) 1983-05-28
NO810076L (en) 1981-08-10
ES256303Y (en) 1982-04-16
PL229544A1 (en) 1981-10-16
ES256303U (en) 1981-10-16
DK51981A (en) 1981-08-10
AR228146A1 (en) 1983-01-31
ATE9604T1 (en) 1984-10-15
RO82206B (en) 1983-06-30
AU6685681A (en) 1981-08-20
ZA81822B (en) 1981-11-25
FI810306L (en) 1981-08-10
JPS56153020A (en) 1981-11-26
PH17538A (en) 1984-09-19
YU26381A (en) 1983-10-31
DE3004923A1 (en) 1981-08-20

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