EP0395534A1 - Gebäudekonstruktion - Google Patents

Gebäudekonstruktion Download PDF

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Publication number
EP0395534A1
EP0395534A1 EP90401160A EP90401160A EP0395534A1 EP 0395534 A1 EP0395534 A1 EP 0395534A1 EP 90401160 A EP90401160 A EP 90401160A EP 90401160 A EP90401160 A EP 90401160A EP 0395534 A1 EP0395534 A1 EP 0395534A1
Authority
EP
European Patent Office
Prior art keywords
embankment
facing
geotextile
sheets
blocks
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
EP90401160A
Other languages
English (en)
French (fr)
Other versions
EP0395534B1 (de
Inventor
Philippe Chapuis
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
Application filed by Individual filed Critical Individual
Priority to AT90401160T priority Critical patent/ATE85997T1/de
Publication of EP0395534A1 publication Critical patent/EP0395534A1/de
Application granted granted Critical
Publication of EP0395534B1 publication Critical patent/EP0395534B1/de
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
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0241—Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/02—Piers; Abutments ; Protecting same against drifting ice
    • 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
    • E02D29/025—Retaining or protecting walls made up of similar modular elements stacked without mortar

Definitions

  • the present invention relates to a method of constructing an engineering structure, in particular an overpass, as well as the engineering structure thus produced and the facing blocks for implementing the method.
  • Structures such as overpass bridges known in the state of the art include earth embankments whose external surface forms with the horizontal a slope at most equal to 45 °. A higher angle would cause rapid degradation due to runoff and natural erosion.
  • embankments imply a significant footprint of the structure on the surrounding land and impose an increase in the span of the deck. Furthermore, the embankments known in the prior art can in no case support the load, even partial, of an apron, and it is necessary to provide a support (veil, pile, etc.) supporting the end of the apron.
  • the subject of the present invention is a construction method making it possible to reduce the span of the deck and the extent of the structure on the surrounding land.
  • the method makes it possible to produce a partially or even completely load-bearing backfill.
  • the invention relates more particularly to a method of constructing a civil engineering structure, in particular an overpass bridge comprising at least one earth embankment covered with external facings, consisting in making successive layers each consisting of an edge exterior of facing blocks, at least some of these facing blocks being able to be associated with geotextile layers associated inwardly, in the filling earth.
  • the geotextile sheets associated with the facing blocks ensure that said blocks are anchored, opposing the pressure exerted by the earth mass of the embankment.
  • embankments with a steeper slope without risk of degradation.
  • the distance between the feet of opposite embankments being generally determined by the width of the road spanned by the structure, a steeper slope makes it possible to reduce the span of the deck as well as the footprint of the structure on adjacent land.
  • the geotextile sheets are wedged between the adjacent surfaces of two superimposed blocks, and the bridge structure is supported at least partially by the upper layer of the embankment.
  • the pressure exerted by the deck improves the blocking of the geotextile layers between two layers of facing blocks and therefore strengthens the anchoring of said facing layers.
  • the edges of the facing blocks are successively shifted inwards so that the slope of the embankment forms an angle greater than 50 ° relative to the horizontal.
  • the geotextile sheets used are made of a nonwoven material reinforced with fibers of high mechanical strength.
  • the non-woven materials ensure drainage of the infiltrated water.
  • the fibers of high mechanical resistance avoid the tearing of the draining nonwoven materials and ensure an optimal resistance to the stress resulting from the forces exerted by the earth of the embankment on the external facing blocks.
  • geotextile sheets used are constituted by a fabric of hydrophilic fibers on the one hand, and of high strength fibers on the other hand.
  • the geotextile sheets form a negative angle with the horizontal plane. Las tablecloths are lowered away from the facing blocks and improve the draining effect and the distribution of stresses inside the embankment.
  • the present invention also relates to a facing block for implementing the method of constructing a structure, in particular an overpass bridge, comprising on one of the horizontal faces, at least one groove substantially parallel to the outer face and on the opposite face at least one complementary rib.
  • the geotextile sheet being wedged between the adjacent horizontal surfaces of two superimposed blocks, the grooves and ribs improve the wedging and therefore the anchoring of the facing blocks.
  • the rib and the groove are offset from the outside surface of the block. This offset ensures the formation of an embankment whose external slope is determined.
  • the facing block comprises in its rear part at least one cavity open upwards.
  • This cavity is filled with earth during the constitution of the embankment.
  • Such stones are in particular known under the trade name of LOFFEL and incidentally allow the cultivation of plants covering the exterior facing blocks. This results in an improvement of the aesthetic effect.
  • the present invention also relates to a structure, in particular an overpass bridge comprising at least one earth embankment coated with a stack of edges of facing blocks connected to sheets of geotextile extending towards the interior of said embankment, the deck at least partially resting on the upper surface of the embankment.
  • the earth embankment according to the present invention is connected to an earth embankment with a slope less than 50 ° of known type by a connection embankment according to the present invention and having a slope decreasing up to the slope formed by the backfill of known type.
  • This connection embankment makes it possible to eliminate ruptures of slopes harmful both for the safety and for the visibility of the vehicles circulating on the underpass.
  • the single figure represents a structure comprising a lower passage (1) and an upper passage (2).
  • the embankment (3) consists of a succession of layers bordered by facing edges (4) and earth (5).
  • the facing blocks have, on the horizontal lower surface (6), a groove (7) extending substantially parallel to the external surface (8) of said block (4).
  • the upper horizontal surface (9) has a rib (10) of profile complementary to the groove (7).
  • the geotextile sheets (11) are blocked between two adjacent horizontal surfaces of facing blocks (4), and are in particular maintained by virtue of the ribs (10) fitting into the grooves (7).
  • the geotextile layers (11) form a small angle with a horizontal plane.
  • the deck (12) exerts on the upper layer of the embankment a vertical force reinforcing the maintenance of the geotextile layers (11) by the facing blocks (4).
  • the deck (12) is partially maintained by the fill (3) and partially by a pile (13).
  • the length of the geotextile layers corresponds substantially to the height of the structure and depends essentially on the nature of the ground, soil conditions, the scope of the base of the structure.
EP90401160A 1989-04-27 1990-04-27 Gebäudekonstruktion Expired - Lifetime EP0395534B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90401160T ATE85997T1 (de) 1989-04-27 1990-04-27 Gebaeudekonstruktion.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8905584A FR2646448B1 (fr) 1989-04-27 1989-04-27 Procede de construction d'un ouvrage d'art, blocs de parements pour la mise en oeuvre dudit procede et ouvrage d'art ainsi realise
FR8905584 1989-04-27

Publications (2)

Publication Number Publication Date
EP0395534A1 true EP0395534A1 (de) 1990-10-31
EP0395534B1 EP0395534B1 (de) 1993-02-24

Family

ID=9381182

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90401160A Expired - Lifetime EP0395534B1 (de) 1989-04-27 1990-04-27 Gebäudekonstruktion

Country Status (4)

Country Link
EP (1) EP0395534B1 (de)
AT (1) ATE85997T1 (de)
DE (1) DE69000955T2 (de)
FR (1) FR2646448B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996038636A1 (en) * 1995-06-02 1996-12-05 Produits Alba Inc. A block for the mortarless construction of a wall
EP0777791A1 (de) * 1994-08-30 1997-06-11 Keystone Retaining Wall Systems Inc. Böschungswand und verfahren und konstruktion aus baublöcken zur herstellung derselben
CN112921816A (zh) * 2021-02-04 2021-06-08 中铁五局集团有限公司 一种多层低空抗侧滑支撑垫箱及其使用方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2234427A1 (de) * 1973-06-21 1975-01-17 Fodervaevnader Ab
US3981038A (en) * 1975-06-26 1976-09-21 Vidal Henri C Bridge and abutment therefor
EP0039372A1 (de) * 1980-05-03 1981-11-11 Gimmler, Luise Maria, Dipl.-Betriebswirt Böschungsformstein
US4671706A (en) * 1985-10-17 1987-06-09 Arnaldo Giardini Concrete retaining wall block
FR2622227A1 (fr) * 1987-10-23 1989-04-28 Manent Vincent Element de construction destine a la realisation de murs de soutenement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2234427A1 (de) * 1973-06-21 1975-01-17 Fodervaevnader Ab
US3981038A (en) * 1975-06-26 1976-09-21 Vidal Henri C Bridge and abutment therefor
EP0039372A1 (de) * 1980-05-03 1981-11-11 Gimmler, Luise Maria, Dipl.-Betriebswirt Böschungsformstein
US4671706A (en) * 1985-10-17 1987-06-09 Arnaldo Giardini Concrete retaining wall block
FR2622227A1 (fr) * 1987-10-23 1989-04-28 Manent Vincent Element de construction destine a la realisation de murs de soutenement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CIVIL ENGINEERING, avril 1986, page 9, Londres, GB; D.J. HOARE: "Geotextiles - compatibility and use" *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0777791A1 (de) * 1994-08-30 1997-06-11 Keystone Retaining Wall Systems Inc. Böschungswand und verfahren und konstruktion aus baublöcken zur herstellung derselben
EP0777791A4 (de) * 1994-08-30 1999-05-06 Keystone Retaining Wall System Böschungswand und verfahren und konstruktion aus baublöcken zur herstellung derselben
WO1996038636A1 (en) * 1995-06-02 1996-12-05 Produits Alba Inc. A block for the mortarless construction of a wall
US6108995A (en) * 1995-06-02 2000-08-29 Produits Alba, Inc. Block for the mortarless construction of a wall
CN112921816A (zh) * 2021-02-04 2021-06-08 中铁五局集团有限公司 一种多层低空抗侧滑支撑垫箱及其使用方法

Also Published As

Publication number Publication date
DE69000955T2 (de) 1993-08-19
DE69000955D1 (de) 1993-04-01
FR2646448B1 (fr) 1992-03-20
FR2646448A1 (fr) 1990-11-02
ATE85997T1 (de) 1993-03-15
EP0395534B1 (de) 1993-02-24

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