EP0495061B1 - Verfahren zum konstruieren eines unterirdischen bauwerkes, insbesondere einer parkgarage, wobei hindernisse wie z.b. bäume erhalten werden - Google Patents

Verfahren zum konstruieren eines unterirdischen bauwerkes, insbesondere einer parkgarage, wobei hindernisse wie z.b. bäume erhalten werden Download PDF

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Publication number
EP0495061B1
EP0495061B1 EP91914509A EP91914509A EP0495061B1 EP 0495061 B1 EP0495061 B1 EP 0495061B1 EP 91914509 A EP91914509 A EP 91914509A EP 91914509 A EP91914509 A EP 91914509A EP 0495061 B1 EP0495061 B1 EP 0495061B1
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EP
European Patent Office
Prior art keywords
obstacles
fact
elements
works
shoring
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.)
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Application number
EP91914509A
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English (en)
French (fr)
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EP0495061A1 (de
Inventor
Roland Pierre Boisse
François BONNAY
Jean-Pierre Venon
Jacques Vincent
Jean-Claude Dubourg
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Compagnie du Sol SARL
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Compagnie du Sol SARL
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D37/00—Repair of damaged foundations or foundation structures
    • 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
    • E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
    • E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench

Definitions

  • the present invention relates to a method of constructing a buried structure, in particular a parking lot, preserving obstacles at least partially buried in the periphery of the structure, such as trees.
  • the current useful width of an underground car park is approximately 15 meters.
  • a central aisle of 5 meters provides access to two lateral rows of opposite parking spaces of 5 meters each.
  • the construction of the upper slab and / or that of the pedestals of the structure generally requires that the underground space located above it be free or temporarily freed during the work period, unless these are carried out using old traditional mining techniques, which are not very mechanized and therefore expensive.
  • FIG. 1 represents a buried parking lot 1 with its slab 2 and its pedestals 3, buried under a public road 4 bordered by buildings 5, a row of trees 6 being planted between each edge of track 4 and the building adjacent 5. There are shown in hatches the locations which must be freed for the realization of the buried structure 1.
  • the construction of the structure 1 consequently requires that the trees bordering the public road be sacrificed.
  • EP-A-0 188 282 describes a method for making a mass of land constructible by producing around it an elastic waterproof envelope, waterproof and airtight. This method does not allow a search to be carried out below this sealing wall by supporting obstacles which are located above the latter.
  • Document DE-A-1 801 892 describes a method for stiffening a structure in the ground which consists in joining piles by horizontal injection lines intersecting said piles, but this document does not provide for carrying out excavations below obstacles supported by curtains of supporting elements.
  • the present invention aims to overcome this drawback.
  • the invention relates to a method of constructing a buried structure, in particular a parking lot, preserving obstacles at least partially buried on the periphery or above the structure such as trees , characterized by the fact that, before the digging of the structure, a curtain of elongated elements for supporting obstacles is produced, said elements being driven into the ground substantially at the periphery of the latter towards the outside of this last and under said obstacles, since the excavation is carried out partially below the curtain of support elements.
  • the support is produced from the surface in an inclined plane with respect to the vertical, thus allowing the construction of underground parks or other buried structures without uprooting the trees or intercepting their roots or damaging their antlers.
  • the support elements are preferably spaced transversely, the cohesion of the ground preventing it from flowing between the support elements.
  • the ground can be treated, for example by the methods described in documents FR-A-2 528 441, FR-A-2 583 441 or FR-A- 2 585 698, these methods not endangering the survival of the trees.
  • an excavation is carried out at the periphery of the obstacles to be supported and the support beams are engaged from this excavation under the obstacles to be supported.
  • the support beams can be inclined or even substantially horizontal. They can rest on load-bearing elements which are used to hold the walls of the excavation.
  • Horizontal support beams are then fixed to the bars 8 by any suitable means, for example by embedding or using metal inserts.
  • These horizontal beams are for example produced in the form of concrete beams 9 as shown in FIG. 2, or in the form of metal beams 9 ′ as shown in FIG. 3.
  • the oblique support elements are then placed in the ground, for example at an angle of 45 °, which in the present case are constituted by metal tubes 10.
  • the insertion of the tubes 10 is preferably carried out by drilling to avoid any impact or vibration on the environment.
  • the length of the tubes 10 is such that they cannot damage the foundations of the waterfront buildings 5.
  • the tubes 10 are also inserted in such a way that they do not risk intercepting the hemisphere 7 of the roots of the trees 6.
  • FIG. 5 shows a second embodiment of the invention, in which the support elements 10 are arranged in a substantially horizontal manner below the obstacles which are located above the structure to be constructed.
  • first of all vertical walls are molded into the ground 11, 12 and 13, by usual techniques. These walls are made along lines which do not include obstacles on the ground surface.
  • the part of the structure which is situated to the left of the wall 12 comprises obstacles schematically represented such as trees or pipes which must be preserved, while the part situated to the right of the wall 12 does not have one.
  • the supporting elements 10 are put in place which can be constituted by tubes or beams that one engages in substantially horizontal cavities, which are produced below the obstacles.
  • the left end of the retaining elements is embedded in the wall 13 and in the ground which is located to the left of the latter, while the right end of the elements 10 is supported by the wall 12 which constitutes the support element vertical.
  • a beam 9 is advantageously produced, arranged perpendicular to the plane of FIG. 5, which joins the ends of the supporting elements 10 and which stiffens the upper part of the wall 12.
  • the invention makes it possible to save obstacles such as trees which are situated both at the periphery and at the center of the right-of-way of the underground structure to be constructed.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (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)
  • Environmental & Geological Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Road Paving Structures (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Catching Or Destruction (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Tents Or Canopies (AREA)
  • Ladders (AREA)

Claims (9)

  1. Verfahren zum Herstellen einer Baugrube für ein unterirdisches Bauwerk, insbesondere ein Parkhaus, unter Erhaltung von Hindernissen, die am Rand oder unter dem Bauwerk mindestens teilweise im Boden vorhanden sind, wie etwa Bäumen, dadurch gekennzeichnet, daß vor dem Ausheben der Baugrube eine Schutzwand aus länglichen Abstützelementen (10) zum Abstützen der Hindernisse hergestellt wird, wobei die Elemente (10) im wesentlichen am Rand des Bauwerks von diesem nach außen und unter den Hindernissen (6, 7) im Boden angeordnet werden.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Abstützelemente (10) in Querrichtung voneinander beabstandet sind.
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Boden an der Stelle der Wand aus Abstützelementen (10) durch Injektion einer seinen Zusammenhalt erhöhenden Substanz behandelt wird.
  4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß zwischen den Hindernissen im wesentlichen senkrechte Pfosten (8) vorgesehen, an diesen im wesentlichen horizontale Auflagerbalken (9, 91) befestigt und auf diese Balken die dem Innern des Bauwerks zugewandten Enden der Abstützelemente (10) aufgelegt werden.
  5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß die Pfosten in Form von im wesentlichen senkrechten gegossenen Wandstücken am Rand des Bauwerks ausgeführt werden.
  6. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Abstützelemente (10) mit einer Neigung von etwa 45° von der Bodenoberfläche aus an einer außerhalb der zu schützenden Hindernisse (6, 7) gelegenen Stelle eingebracht werden.
  7. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Abstützelemente (10) in einer im wesentlichen horizontalen Stellung von einer außerhalb der zu schützenden Hindernisse (6, 7) gebildeten Aushöhlung (16) aus eingebracht werden.
  8. Nach dem Verfahren gemäß einem der Ansprüche 1 bis 7 hergestelltes unterirdisches Bauwerk, dadurch gekennzeichnet, daß es eine Schutzwand aus unter den zu schützenden Hindernissen (6, 7) angeordneten Abstützelementen (10) aufweist.
  9. Unterirdisches Bauwerk nach Anspruch 8, dadurch gekennzeichnet, daß die Abstützelemente (10) von vertikalen Pflöcken (8) getragen sind, die in ihren oberen Bereichen über einen horizontalen Balken (9) miteinander verbunden sind.
EP91914509A 1990-08-01 1991-07-31 Verfahren zum konstruieren eines unterirdischen bauwerkes, insbesondere einer parkgarage, wobei hindernisse wie z.b. bäume erhalten werden Expired - Lifetime EP0495061B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9009837 1990-08-01
FR9009837A FR2665466A1 (fr) 1990-08-01 1990-08-01 Procede de construction d'un ouvrage enterre, notamment un parc de stationnement, preservant des obstacles tels que des arbres.
PCT/FR1991/000632 WO1992002692A1 (fr) 1990-08-01 1991-07-31 Procede de construction d'un ouvrage enterre, notamment d'un parc de stationnement, preservant des obstacles tels que des arbres

Publications (2)

Publication Number Publication Date
EP0495061A1 EP0495061A1 (de) 1992-07-22
EP0495061B1 true EP0495061B1 (de) 1995-05-10

Family

ID=9399316

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91914509A Expired - Lifetime EP0495061B1 (de) 1990-08-01 1991-07-31 Verfahren zum konstruieren eines unterirdischen bauwerkes, insbesondere einer parkgarage, wobei hindernisse wie z.b. bäume erhalten werden

Country Status (8)

Country Link
EP (1) EP0495061B1 (de)
AT (1) ATE122427T1 (de)
DE (2) DE69109650T2 (de)
DK (1) DK0495061T3 (de)
ES (1) ES2033601T3 (de)
FR (1) FR2665466A1 (de)
GR (1) GR920300127T1 (de)
WO (1) WO1992002692A1 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3501128C3 (de) * 1985-01-15 1998-11-12 Keller Grundbau Gmbh Abdichtung für die Ausführung von Untertagebauwerken
DE3718631A1 (de) * 1987-06-03 1988-12-22 Gkn Keller Gmbh Kombiniertes injektionsverfahren sowie vorrichtung zur herstellung eines hochverfestigten bodenvolumens bei gleichzeitiger stabilisierung des angrenzenden bodens

Also Published As

Publication number Publication date
ATE122427T1 (de) 1995-05-15
GR920300127T1 (en) 1993-03-16
DE495061T1 (de) 1992-11-26
DK0495061T3 (da) 1995-09-04
EP0495061A1 (de) 1992-07-22
ES2033601T3 (es) 1995-07-16
DE69109650T2 (de) 1995-12-07
DE69109650D1 (de) 1995-06-14
ES2033601T1 (es) 1993-04-01
WO1992002692A1 (fr) 1992-02-20
FR2665466A1 (fr) 1992-02-07
FR2665466B1 (de) 1994-08-19

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