EP0217366B1 - Méthode pour la mise en place d'un ancrage de traction ou de compression au dessous du niveau de l'eau pour l'ancrage d'un rideau de palplanches ou similaires - Google Patents

Méthode pour la mise en place d'un ancrage de traction ou de compression au dessous du niveau de l'eau pour l'ancrage d'un rideau de palplanches ou similaires Download PDF

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Publication number
EP0217366B1
EP0217366B1 EP86113464A EP86113464A EP0217366B1 EP 0217366 B1 EP0217366 B1 EP 0217366B1 EP 86113464 A EP86113464 A EP 86113464A EP 86113464 A EP86113464 A EP 86113464A EP 0217366 B1 EP0217366 B1 EP 0217366B1
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EP
European Patent Office
Prior art keywords
pile wall
mounting
sheet
wall
support means
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.)
Expired
Application number
EP86113464A
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German (de)
English (en)
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EP0217366A2 (fr
EP0217366A3 (en
Inventor
& Widmann Aktiengesellschaft Dyckerhoff
Original Assignee
Dyckerhoff and Widmann AG
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Publication date
Application filed by Dyckerhoff and Widmann AG filed Critical Dyckerhoff and Widmann AG
Priority to AT86113464T priority Critical patent/ATE48162T1/de
Publication of EP0217366A2 publication Critical patent/EP0217366A2/fr
Publication of EP0217366A3 publication Critical patent/EP0217366A3/de
Application granted granted Critical
Publication of EP0217366B1 publication Critical patent/EP0217366B1/fr
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
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • E02D5/808—Ground anchors anchored by using exclusively a bonding material

Definitions

  • the invention relates to a method and a device for setting a tension or pressure anchor with a rod, wire or tubular anchor element below a water level for anchoring a sheet pile wall, diaphragm wall, quay wall or the like, with a first on the sheet pile wall at the level of the bore to be produced Holding device for a drill carriage attached with an underwater drilling machine, then pierced the sheet pile wall and then the anchor element is inserted and anchored (see. DE-C 3 122032).
  • a known device of this type is used to ram an anchor pole through a sheet pile wall.
  • the holding device consists of a base plate, which is arranged obliquely at the end of the drill carriage in accordance with the desired drilling direction, preferably at an angle of 45 degrees thereto, and is fixedly connected to the drill carriage (DE-C 31 22 032).
  • This device must be attached to the sheet pile by divers;
  • the drilling machine is operated from above the water surface via a control unit which is connected to the drilling machine via hose lines.
  • the sheet pile wall is first pierced by means of a tubular drill; the drill remains in the sheet pile and serves as a guide when ramming the anchor pile through the sheet pile.
  • a disadvantage of this known method and the device is that a number of jobs can only be carried out by divers, furthermore that the drill is lost and that the ramming of the anchor pole, apart from the guidance through the short drill pipe, does not require any further guidance and therefore no control he follows. If the anchor pile encounters an obstacle when ramming in, the sheet pile must be pierced again.
  • the object of the invention is to make a method of the type mentioned at the outset suitable for setting a tension or pressure anchor and to provide a device suitable for carrying it out, as a result of which the work to be carried out under water is reduced to a minimum or avoided entirely and the whole Drill to be recovered.
  • this object is achieved procedurally in that after adjusting and attaching the holding device with the drill carriage, the free end of the carriage is raised by pivoting about a joint arranged on the holding device with a horizontal axis above the water level, at the end projecting above the water level the gun mount the drill with a first drill for drilling through the sheet pile and then the gun lowered into the drilling position and the sheet pile is pierced, that after the first drill has been withdrawn, the gun mount is raised again above the water level and a drill pipe for producing the borehole in full Mounted length, the carriage lowered back into the drilling position and the drill pipe is driven into the ground through the opening in the sheet pile wall and that after the insertion of the anchor element, the drill pipe with compression of the cavity between the anchor element and the borehole wall with hardening material ial pulled and disassembled after lifting the carriage above the water level.
  • the anchor element can be inserted into the drill pipe at the same time as the drill hole is being made.
  • the holding device is expediently attached to tension members, e.g. Threaded rods, ropes or the like are held and adjusted in a hanging manner and appropriately fastened by clamping to the sheet pile wall.
  • tension members e.g. Threaded rods, ropes or the like are held and adjusted in a hanging manner and appropriately fastened by clamping to the sheet pile wall.
  • the carriage can also be raised and lowered using a cable.
  • the advantage of the method according to the invention is above all that the drilling machine, the drill pipe, the anchor element and, if appropriate, a holding crossmember and an anchor nut are mounted from land when the mount is folded up above the water level, and the mount is carried out in a simple manner using a cable into the Drilling position can be lowered.
  • the holding and adjusting of the holding device and its attachment to the sheet pile wall can also be carried out from land using cable pulls and corresponding control devices. Since the length of the drill carriage is greater than the length of the drill pipe or anchor element, it is not only possible to dispense with the otherwise necessary insertion of the drill pipe and anchor element, but possibly even insert the anchor element into the drill pipe from the outset and together with it into the ground be screwed in.
  • a device which is particularly suitable for carrying out the method according to the invention, with a holding device which is adjustable and attachable to a sheet pile wall or the like, and a drill mount attached to it, with guides for a drilling machine and a drill and / or a drill pipe, is distinguished by the fact that it is fully loaded
  • the length of the drill pipe or the anchor element dimensioned mount on the holding device can be pivoted about a joint with a horizontal axis running parallel to the sheet pile wall and can be raised and lowered from land by means of a cable pull.
  • the holding device is useful on tension members, e.g. Threaded rods, ropes or the like are suspended and can be raised and lowered from land and adjusted in front of the sheet pile wall.
  • tension members e.g. Threaded rods, ropes or the like are suspended and can be raised and lowered from land and adjusted in front of the sheet pile wall.
  • the joint can be designed to be detachable and vertical guide rails can be provided, along which the lower end of the mount can be raised above the water surface and lowered again.
  • the holding device can be provided with pliers which can be actuated by means of hydraulic cylinder-piston units. Magnets or suction devices can also be provided for fastening the holding device to the sheet pile wall.
  • the holding device expediently has guide bodies adapted to the contour of the sheet pile wall. The centering of the holding device on the sheet pile wall is thereby facilitated, the torque occurring during drilling is absorbed and security against horizontal displacements of the holding device is achieved.
  • the mount is also pivotally mounted on the holding device about an articulation with an axis running at right angles to the drilling axis.
  • the pivot axis of this bearing should at least approximately go through the center of the opening in the sheet pile wall.
  • the arrangement of this joint in the immediate vicinity of the opening of the sheet pile wall and such that its axis passes through the center of the opening and intersects the borehole axis has the advantage that drilling can be carried out through the same opening in the sheet pile wall with different horizontal angles, for example in an obstacle in the direction initially drilled, e.g. a boulder that hinders the drilling process. This prevents further weakening of the sheet pile wall and speeds up the work process.
  • means can be provided on the holding device for pivoting the mount around the pivot axis running at right angles to the drilling axis and for fixing it in a specific position.
  • These means are expediently hydraulic cylinder-piston units.
  • a connecting strap can be arranged between the joint with the horizontal axis and that with the axis running at right angles to the drilling axis.
  • the joint with a horizontal axis and the joint with an axis perpendicular to the drilling axis can also be combined in a ball joint.
  • the mount can also be gimbaled on the holding device; in any case, the swivel axes should go through the center of the opening of the sheet pile wall.
  • a holding device 2 is prepared, which can be attached to the sheet pile wall 1 from the water side.
  • a drill carriage 10 is pivotably mounted about a joint 3 with a horizontal axis running parallel to the sheet pile wall 1.
  • the length of the mount 10 is selected so that it can accommodate the full length of the drill pipe 17 required for drilling the bore and the anchor element 12.
  • the carriage 10 is held at its upper end by means of a cable 13 which leads to a telescopic boom 18 on a crane vehicle 33.
  • the drilling machine 14 is mounted from land, which can be moved along the carriage 10 by means of a carriage 15.
  • the drilling machine 14 is designed in a manner known per se; it has a drill head and a drive motor. Behind the drill head there is a flushing head with a rod that is guided through the drill head. The flushing head can be moved along the carriage 10 independently of the drilling head.
  • a drill 16 with which the sheet pile wall 1 can be pierced is first attached to the drilling machine 14. Then the carriage 10 is lowered into the drilling position by means of the cable 13; the drill 16 is thus aligned in the anchor axis 11, which also forms the drilling axis. Then the drill 14 with the drill 16 is e.g. pulled by means of a chain drive along the carriage 10 in the direction of the sheet pile wall 1 until the head of the drill 16 is on the sheet pile wall and pierces it. Then the drill 14 with the drill 16 is pulled back into the starting position, the mount is pivoted upwards about the joint 3 and the drill 16 is dismantled from the ground.
  • Drilled tube 17 placed in full length, aligned and connected to the drill 14.
  • the drill pipe 17 is driven with the aid of the drilling machine 14 through the opening 28 previously created in the sheet pile wall 1 into the soil formation 5 to the desired depth.
  • the head of the drilling machine 14 is detached from the drilling tube 17, the drilling machine 14 is pulled back into the starting position and the mount 10 is pivoted upwards again.
  • An anchor element 12 e.g. an anchor rod, placed on the carriage 10 and aligned. At the bottom end of the anchor element 12 there is a claw device 20. Furthermore, a sealing plate 22 is fastened to the anchor element 12, which seals the cavity between the anchor element and the drill pipe 17, and a compression line 21, which is passed through the sealing plate 22. The anchor element 12 is held by the linkage of the flushing head. After the carriage 10 has been lowered again into the drilling position, the anchor element 12 is inserted into the drill pipe 17 by means of the drilling machine 14 until it has reached its desired position.
  • an anchor element 12 e.g. an anchor rod
  • the length of the mount 10 is greater than the length of the anchor element 12, it can be inserted into the drill pipe 17 beforehand and at the same time screwed into the bottom formation 5.
  • the head of the drilling machine 14 is then coupled again to the drilling pipe 17 in order to be able to pull it.
  • This situation is shown in Fig. 2.
  • the drill pipe 17 is initially moved back only a short distance while the flushing head, which holds the armature 12, remains standing.
  • the anchor element 12 sits firmly in the ground.
  • the cavity between the anchor element 12 and the borehole wall is then continuously pressed with a grout, e.g. Cement mortar filled until it has reached the sealing plate 22.
  • the grout thus forms a grouting body 31.
  • the mount 10 is pivoted up by means of the cable 13 and the drilling pipe 17 is dismantled.
  • a traverse 19 e.g. fixed, aligned and adjusted in the form of a prefabricated concrete component. After lowering the carriage 10 again into the drilling position, this cross member 19 can be moved in the direction of the anchor element 12 by means of the drilling machine and pushed over it. The cross member 19 thus extends a certain distance into the opening 28 in the sheet pile wall 1 (FIG. 3).
  • the drilling machine 14 After loosening the connection between the crossmember 19 and the drilling machine 14, the drilling machine 14 is moved back into its starting position. An anchor nut 23 can then be introduced in the same way and screwed onto the air-side end of the anchor element 12 if this work is not done by divers. A possible cavity behind the sheet pile wall 1 can in turn be pressed with grout 32 through openings in the cross member 19 and the anchor head can be sealed in this way.
  • the holding device After the connection between the holding device 2 and the sheet pile wall has been released, the holding device is recovered. If the anchor is a tie rod, the anchor element 12 can be tensioned after the compression body 31 has completely hardened.
  • the holding device 2 consists of a housing 26 which is at least partially open to the sheet pile wall 1 and in which four tongs 7 which can be actuated by hydraulic cylinder-piston units 8 are provided.
  • the position of the outer legs of the pliers 7 is adapted to the slope of the individual sheet piles of the sheet pile wall 1 and roughened or serrated on their inner surfaces in order to achieve good contact with the sheet pile wall 1.
  • the pliers 7 only serve to fix the holding device 2 to the sheet pile wall 1; their weight and that of the carriage 10 is carried by the tension members 9, which lead to corresponding anchoring on the surface of the site.
  • the holding device 2 is equipped on its side facing the sheet pile wall with the profile of the sheet pile adapted guide bodies 24, which facilitate the centering of the holding device and support the transmission of the torque occurring during drilling to the sheet pile wall 1 or relieve the pliers 7.
  • the mount 10 is connected via a joint 3 with a horizontal axis running parallel to the sheet pile wall 1 to a bracket 27, which in turn is mounted on the housing 26 via a joint 4 with an axis running in a vertical plane perpendicular to the drilling axis 11.
  • the mount 10 can be pivoted in the vertical direction (arrow 29 in FIG. 4) by means of the joint 3 and in the horizontal direction (arrow 30 in FIG. 5) by means of the joint 4.
  • the pivoting of the carriage 10 in the vertical direction (arrow 29) takes place, as already described, by means of the cable 13; for pivoting in the horizontal direction (arrow 30), a cylinder-piston unit 6 is arranged on the bracket 27, which is supported against the housing 26 of the holding device 2.
  • the extension of the axis of the joint 4 runs through the center of the opening 28 created in the sheet pile wall 1 and intersects the drilling axis 11 there (FIG. 4). This makes it possible to make several holes with different horizontal angles through the same opening 28, for example when a hole has to be abandoned due to an obstacle in the course of the drilling axis.
  • FIGS. 6 to 8 Another exemplary embodiment for the articulated mounting of the mount on the holding device 2 is shown in FIGS. 6 to 8.
  • the ball joint 34 consists of a ball 36 fastened to the mount 10 via a pin 35, which ball 36 can be rotated in a pan 37 designed as a partially hollow ball.
  • the pan 37 is mounted on a link 38 which is articulated at both ends to cylinder-piston units 39; the cylinder-piston units 39 are in turn attached to the housing 26 of the holding device 2.
  • the cylinder-piston units 39 serve to support the pressure of the carriage 10, while a pivoting movement in the horizontal direction is brought about by a cylinder-piston unit 6 '.
  • the movement possibilities of the carriage in the vertical and horizontal directions are again indicated by arrows 29 and 30, respectively.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Piles And Underground Anchors (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Foundations (AREA)
  • Revetment (AREA)

Claims (21)

1. Procédé de mise en oeuvre d'un tirant ou d'une tige d'ancrage de pression comportant un élément d'ancrage en forme de barre, de fil ou de tube, sous un niveau d'eau, pour l'ancrage d'un rideau de palplanches, d'une paroi continue en béton moulée dans le sol, d'un mur de quai ou similaire, un dispositif de fixation d'une glissière de forage avec une foreuse sous l'eau, étant tout d'abord fixé sur le rideau de palplanches, à la hauteur du trou à réaliser, le rideau de palplanches étant ensuite percé et l'élément d'ancrage mis en place et ancré, caractérisé en ce qu'après ajustage et fixation du dispositif de fixation (2) avec la glissière de forage (10), l'extrémité libre de la glissière est relevée au-dessus du niveau d'eau (25) par pivotement autour d'une articulation (3) à axe horizontal, placée sur le dispositif de fixation, la foreuse (14) avec un premier outil de forage (16) pour percer de part en part le rideau de palplanches (1), est montée à l'extrémité de la glissière (10) émergeant au-dessus du niveau d'eau (25) et la glissière (10) est ensuite abaissée dans la position de forage, et le rideau de palplanches (1) percé, en ce qu'après retrait du premier outil de forage (16), la glissière (10) est à nouveau relevée au-dessus du niveau d'eau, et un tube de forage (17) est monté sur toute sa longueur, pour réaliser le trou, la glissière (10) étant à nouveau abaissée en position de forage et le tube de forage (17) étant introduit dans le sol (5) à travers l'ouverture (28) pratiquée dans le rideau de palplanches (1) et en ce qu'après introduction de l'élément d'ancrage (12); le tube de forage (17) est retiré, tandis qu'un matériau durcissant est introduit sous pression dans la cavité située entre l'élément d'ancrage (12) et la paroi du trou foré, et en ce qu'après nouveau relevage de la glissière (10) au-dessus du niveau d'eau (25), il est démonté.
2. Procédé selon la revendication 1, caractérisé en ce que l'élément d'ancrage (12) est introduit en même temps que le tube de forage (17), dans le trou foré, pendant ta réalisation de ce dernier.
3. Procédé selon la revendication 2, caractérisé en ce que le dispositif de fixation (2) est suspendu à des organes de traction (9), par exemple à des barres filetées, des câbles ou similaires, et ajusté.
4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif de fixation (2) est fixé par serrage sur le rideau de palplanches (1).
5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que la glissière (10) est relevée et abaissée au moyen d'un câble de traction (13).
6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce qu'après démontage du tube de forage (17), une traverse de fixation (19) et le cas échéant un écrou d'ancrage (23), est placée sur la foreuse (14) et après nouvel abaissement de la glissière (10), est appliquée, au moyen de la foreuse (14), sur l'élément d'ancrage (12) et fixée sur celui-ci pour son ancrage.
7. Dispositif de mise en oeuvre du procédé selon les revendications 1 à 6 comportant un dispositif de fixation (2) pouvant être ajusté par rapport à un rideau de palplanches (1) ou similaire, et appliqué sur celui-ci, ainsi qu'une glissière de forage (10) fixée sur le dispositif de fixation, avec des organes de guidage (24) pour une foreuse (14), ainsi qu'un outil de forage (16) et/ou un tube de forage (17), caractérisé en ce que la glissière (10), dimensionnée pour toute la longueur du tube de forage (17) ou de l'élément d'ancrage (12), est montée sur le dispositif de fixation (2), pivotant autour d'une articulation (3) à axe horizontal, parallèle au rideau de palplanches (1), et peut être relevée et abaissée à partir de la terre, au moyen d'un câble de traction (13).
8. Dispositif selon la revendication 7, caractérisé en ce que le dispositif de fixation (2) est suspendu à des organes de traction (9) par exemple à des câbles, et peut être relevé et abaissé à partir de la terre, et peut être ajusté devant le rideau de palplanches (1).
9. Dispositif selon la revendication 7 ou 8, caractérisé en ce que l'articulation (3) est amovible, et en ce qu'il est prévu des rails de guidage (40) verticaux le long desquels l'extrémité inférieure de la glissière peut être relevée et à nouveau abaissée au-dessus de la surface de l'eau.
10. Dispositif selon l'une des revendications 7 à 9, caractérisé en ce que le dispositif de fixation (2) est pourvu de pinces (7), pour sa fixation serrée sur le rideau de palplanches.
11. Dispositif selon la revendication 10, caractérisé en ce qu'il est prévu des vérins (8) hydrauliques pour actionner les pinces (7).
12. Dispositif selon l'une des revendications 7 à 9, caractérisé en ce que le dispositif de fixation (2) est pourvu d'aimants pour la fixation sur le rideau de palplanches.
13. Dispositif selon l'une des revendications 7 à 9, caractérisé en ce que le dispositif de fixation (2) est pourvu de dispositifs d'aspiration pour la fixation sur le rideau de palplanches.
14. Dispositif selon l'une des revendications 7 à 13, caractérisé en ce que le dispositif de fixation (2) comporte des corps de guidage (24) adaptés au contour du rideau de palplanches (1 ).
15. Dispositif selon l'une des revendications 7 à 14, caractérisé en ce que la glissière (10) est montée sur le dispositif de fixation (2), pivotant autour d'une articulation (4) à axe perpendiculaire à l'axe de forage (11)
16. Dispositif selon la revendication 15, caractérisé en ce que l'axe de l'articulation (4) passe au moins à peu près par le centre de l'ouverture (28) pratiquée dans le rideau de palplanches (1).
17. Dispositif selon les revendications 15 et 16, caractérisé en ce que des moyens de pivotement de la glissière (10) autour de l'axe perpendiculaire à l'axe de forage (1), et pour sa fixation dans une certaine position, sont prévus sur le dispositif de fixation (2).
18. Dispositif selon la revendication 17, caractérisé en ce qu'il est prévu un vérin hydraulique (6 ou 6') pour le pivotement et la fixation de la glissière (10).
19. Dispositif selon l'une des revendications 7 à 18, caractérisé en ce qu'une patte de liaison (27) est placée entre l'articulation (3) à axe horizontal et l'articulation (4) à axe perpendiculaire à l'axe de forage (11).
20. Dispositif selon l'une des revendications 7 à 18, caractérisé en ce que l'articulation à axe horizontal et l'articulation à axe perpendiculaire à l'axe de forage sont unies dans un joint à rotule (34).
21. Dispositif selon l'une des revendications 7 à 20 caractérisé en ce que la glissière (10) est montée, par un joint de cardan, sur le dispositif de fixation (2).
EP86113464A 1985-10-03 1986-10-01 Méthode pour la mise en place d'un ancrage de traction ou de compression au dessous du niveau de l'eau pour l'ancrage d'un rideau de palplanches ou similaires Expired EP0217366B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86113464T ATE48162T1 (de) 1985-10-03 1986-10-01 Verfahren zum setzen eines zug- oder druckankers unterhalb eines wasserspiegels zum verankern einer spundwand oder dergleichen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3535319 1985-10-03
DE19853535319 DE3535319A1 (de) 1985-10-03 1985-10-03 Verfahren und vorrichtung zum verankern von wenigstens teilweise unter wasser befindlichen spundwaenden

Publications (3)

Publication Number Publication Date
EP0217366A2 EP0217366A2 (fr) 1987-04-08
EP0217366A3 EP0217366A3 (en) 1988-01-20
EP0217366B1 true EP0217366B1 (fr) 1989-11-23

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EP86113464A Expired EP0217366B1 (fr) 1985-10-03 1986-10-01 Méthode pour la mise en place d'un ancrage de traction ou de compression au dessous du niveau de l'eau pour l'ancrage d'un rideau de palplanches ou similaires

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Country Link
US (1) US4711604A (fr)
EP (1) EP0217366B1 (fr)
JP (1) JPS62174417A (fr)
AT (1) ATE48162T1 (fr)
CA (1) CA1255917A (fr)
DE (2) DE3535319A1 (fr)
ES (1) ES2012331B3 (fr)
GR (1) GR3000355T3 (fr)

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WO2008002308A2 (fr) * 2006-06-28 2008-01-03 Timmerman James E Procédés, systèmes et appareil de retenue de digues
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CN109778789B (zh) * 2018-04-04 2020-08-25 水利部交通运输部国家能源局南京水利科学研究院 一种混凝土面板堆石坝面板脱空区水下修复系统
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CN111425231B (zh) * 2020-03-31 2021-03-26 中国矿业大学 一种长短锚索协调吸能让压装置及施工方法
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FR1115912A (fr) * 1954-01-29 1956-05-02 Union Siderurgique Lorraine Dispositif d'ancrage pour tirants
US3134234A (en) * 1959-11-12 1964-05-26 Jersey Prod Res Co Apparatus for installing piling
BE887709A (fr) * 1981-02-27 1981-06-15 Camar P V B A Werkwijze en machine voor het aanbrengen van een element doorheen een muur onder de bescherming van een sas
DE3122032C2 (de) * 1981-05-30 1984-10-31 Philipp Holzmann Ag, 6000 Frankfurt Verfahren zum nachträglichen Verankern von Spundwänden, sowie Aufnahmevorrichtung für ein Bohrgerät und Ankerpfahl zur Durchführung des Verfahrens
US4480945A (en) * 1982-04-20 1984-11-06 Schnabel Foundation Company Method of reinforcing an existing earth supporting wall
US4499698A (en) * 1983-01-31 1985-02-19 A. B. Chance Company Method and apparatus for anchoring retaining walls and the like, and installation therefor

Also Published As

Publication number Publication date
EP0217366A2 (fr) 1987-04-08
DE3535319A1 (de) 1987-04-09
GR3000355T3 (en) 1991-06-07
ES2012331B3 (es) 1990-03-16
JPS62174417A (ja) 1987-07-31
ATE48162T1 (de) 1989-12-15
EP0217366A3 (en) 1988-01-20
DE3667080D1 (en) 1989-12-28
CA1255917A (fr) 1989-06-20
US4711604A (en) 1987-12-08

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