EP0811723A2 - Entretoise pour dispositif de blindage de tranchée - Google Patents

Entretoise pour dispositif de blindage de tranchée Download PDF

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Publication number
EP0811723A2
EP0811723A2 EP97108468A EP97108468A EP0811723A2 EP 0811723 A2 EP0811723 A2 EP 0811723A2 EP 97108468 A EP97108468 A EP 97108468A EP 97108468 A EP97108468 A EP 97108468A EP 0811723 A2 EP0811723 A2 EP 0811723A2
Authority
EP
European Patent Office
Prior art keywords
support
supports
support according
hollow box
box section
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
EP97108468A
Other languages
German (de)
English (en)
Other versions
EP0811723A3 (fr
EP0811723B1 (fr
Inventor
Wilhelm Hess
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19625277A external-priority patent/DE19625277A1/de
Application filed by Individual filed Critical Individual
Publication of EP0811723A2 publication Critical patent/EP0811723A2/fr
Publication of EP0811723A3 publication Critical patent/EP0811723A3/fr
Application granted granted Critical
Publication of EP0811723B1 publication Critical patent/EP0811723B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • E02D17/12—Back-filling of foundation trenches or ditches

Definitions

  • the invention relates to a support for trench shoring devices, which are composed of supports to be arranged vertically along and along both sides of a trench, the supports of a pair of supports at a distance from spreading frames and in lateral guides of the supports vertically displaceable mounting plates, the support being a from above has through to the bottom hollow box section and is provided at its lower end with a wedge-shaped support foot which has a cutting edge located in the plane of the outer wall of the support and a closing plate which runs obliquely upwards from the cutting edge to the inside of the support and closes the closing box profile below.
  • the trench is filled in particular with the excavation and the parts of the shoring device are retrieved.
  • This dismantling takes place in such a way that soil is poured in up to a height of approx. 50 cm in several stages, then the shoring panels are raised by approximately the same amount and then the filled soil is compacted against the grown soil by means of vibrating planks or similar compacting devices .
  • This filling of soil, pulling up the shoring panels and compacting the soil is repeated from level to level.
  • the supports must also be pulled up so that no space is formed in the space that the supports had occupied. Careful compaction of the filled soil is necessary in order to prevent damage from settling and to increase the load-bearing capacity of the filling.
  • the invention has for its object to provide a support for trench shoring devices of the type mentioned, with the help of the proper filling and compacting of the trench and the dismantling of the trench shoring device is facilitated.
  • this object is achieved according to the invention in that the closure plate is held on the support foot in an easily detachable manner and in that at least in the region of the upper end of the support a filling opening opening into the hollow box section is arranged.
  • the locking plate on the column base can be removed.
  • the support can be filled with soil, so that the filled material emerges from the support foot when the support is pulled up. This emerging material can be compressed together with the other stages of backfilling.
  • the shoring plates and the expansion frame can first be removed so that the supports are completely relieved. Before pulling the supports, they are filled with a tightly falling, preferably dry material.
  • the material to be filled into the supports should be such that its grain shape, grain composition, degree of non-uniformity, surface quality, water content and admixtures are such that its compactibility is low and the free-falling material achieves a high percentage of the Proctor density.
  • the fully relieved support can be pulled out without difficulty.
  • the tightly falling or self-compacting material emerges from the column base, so that no voids are created and subsidence is not to be feared.
  • the column cavity widens towards the lower end of the columns out, so that when the support is lifted, the filled material comes out of the support base.
  • the trench shoring device shown in FIG. 1 is composed of supports 1,1 'which are to be arranged at intervals along the trench on both sides of the trench, of expansion frames 2 which keep the supports 1,1' of a pair of supports at a distance and of shoring plates 3 and 4, which are guided vertically displaceably in lateral guides 5 of the supports 1, 1 '.
  • the shoring plates 3 and 4 drawn in phantom lines are offset from one another in the supports 1, 1 'so that they can slide past one another.
  • the supports 1, 1 ' have a hollow box section 10 which runs from top to bottom.
  • guides 5 are provided between a support flange 25 and a guide flange 26, in which guides the side profiles of the upper and outer shoring plates 3 are guided positively vertically.
  • the inner lower shoring plates 4 are also supported on the support flanges 25 in this guide 5.
  • the sheeting panels 4 are encompassed by the edge profiles of the upper outer sheeting panels 3.
  • a vertical guide 6 is arranged, in which a guide rail of the expansion frame 2 is guided so as to be vertically displaceable.
  • the expansion frame 2 is supported by rollers 27 against the support flanges 25 of the supports 1, 1 '.
  • This closure plate 11 serves to ensure that when the supports 1, 1 'are driven into the ground, there is no plug in the hollow box section 10 composed of stones, earth and clay. In the known supports, this closure plate is always welded on. In the support 1 according to the invention, this closure plate 11 is easily detachably or removably attached to the support foot 8.
  • FIGS. 2, 3 and 5 show, in the support 1 according to the invention, the closure plate 11 is held by guide rails 14 which are attached to the outer sides of the side walls of the hollow box section 10, and holding rails 15 which cross over the guide rails towards the interior of the trench and guided. So that the closure plate 11 does not move when driving the support 1 into the ground, a latch 13 is used to hold the closure plate 11 in the closed position. Only after completion of the trench sheeting is the closing plate 11 pulled away by opening the bolt 13 towards the interior of the trench. This is done, for example, by a hook 24 which engages in an eyelet 12 fastened to the closure plate 11. The bolt 13 can be held in the closed position by a spring and opened against the action of this spring.
  • FIG. 6 shows, recesses 17 are arranged at intervals one above the other on the outer wall 16 of the support 1 for hooking in a traction means with which the support 1 is pulled up during dismantling.
  • a filling funnel 18 can be placed in these recesses 17 and has a spout 19 that can be inserted into the recesses 17.
  • brackets 20 which are pivotable are hinged to the hopper 18, the funnel 18 can be attached to the support 1 by pivoting the brackets 20 so that they engage behind the guide flanges 24 of the support 1.
  • the striking plate 7 is welded onto the upper end of the support 1.
  • the filling funnel 18 can also be used in recesses 17 of the support 1 which are arranged lower.
  • the striking plate 7 'of the support 1' is arranged such that it can be removed or opened.
  • the hopper 18 ' can be placed on the open upper end of the support 1'. So that the filling funnel is held reliably, it has a spout which essentially corresponds to the inner cross section of the hollow box section 10 of the support 1 '.
  • an attachment edge 23 is also provided, with which the filling funnel 18 'is placed on the upper end of the support.
  • the cross section of the hollow box section 10 increases towards the lower end of the support. In this way, bridging of the filled-in material is avoided and it is ensured that the filled-in material emerges from the support foot when the support is raised. Because the outer wall 30 of the support and the side walls of the hollow box section 10 run vertically, the inner wall 31 is inclined in the lower region in such a way that the cross section becomes larger at the bottom. The lower area with the inclined inner wall 31 extends over 2 to 3.5 m, because the expansion frame 2 is guided above this area in the support and the space of the expansion frame guide 6 is available for the outward inclination of the inner wall 31.

Landscapes

  • 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)
  • Treatment Of Fiber Materials (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Revetment (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Blinds (AREA)
EP97108468A 1996-05-31 1997-05-26 Entretoise pour dispositif de blindage de tranchée Expired - Lifetime EP0811723B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19621827 1996-05-31
DE19621827 1996-05-31
DE19625277A DE19625277A1 (de) 1996-05-31 1996-06-25 Stütze für Grabenverbauvorrichtungen
DE19525277 1996-06-25

Publications (3)

Publication Number Publication Date
EP0811723A2 true EP0811723A2 (fr) 1997-12-10
EP0811723A3 EP0811723A3 (fr) 1997-12-29
EP0811723B1 EP0811723B1 (fr) 2001-01-03

Family

ID=26026192

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97108468A Expired - Lifetime EP0811723B1 (fr) 1996-05-31 1997-05-26 Entretoise pour dispositif de blindage de tranchée

Country Status (2)

Country Link
EP (1) EP0811723B1 (fr)
AT (1) ATE198495T1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100808109B1 (ko) 2006-09-06 2008-03-04 고려개발 주식회사 굴착지반의 버팀대 구조물
CN101818501B (zh) * 2009-07-29 2011-11-16 兰州理工大学 大型沟埋管涵顶部钢筋混凝土基础的施工方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4730954A (en) * 1984-07-25 1988-03-15 Cementation Piling & Foundations Limited Ground treatment
EP0475382A1 (fr) * 1990-09-11 1992-03-18 Wilhelm Hess Méthode et dispositif pour le boisement de fossés profonds
US5310289A (en) * 1992-09-15 1994-05-10 Wilhelm Hess Apparatus for sheeting deep trenches

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4730954A (en) * 1984-07-25 1988-03-15 Cementation Piling & Foundations Limited Ground treatment
EP0475382A1 (fr) * 1990-09-11 1992-03-18 Wilhelm Hess Méthode et dispositif pour le boisement de fossés profonds
US5310289A (en) * 1992-09-15 1994-05-10 Wilhelm Hess Apparatus for sheeting deep trenches

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100808109B1 (ko) 2006-09-06 2008-03-04 고려개발 주식회사 굴착지반의 버팀대 구조물
CN101818501B (zh) * 2009-07-29 2011-11-16 兰州理工大学 大型沟埋管涵顶部钢筋混凝土基础的施工方法

Also Published As

Publication number Publication date
EP0811723A3 (fr) 1997-12-29
ATE198495T1 (de) 2001-01-15
EP0811723B1 (fr) 2001-01-03

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