EP1147264B1 - Dispositif de recepage pour des ouvrages en beton - Google Patents

Dispositif de recepage pour des ouvrages en beton Download PDF

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Publication number
EP1147264B1
EP1147264B1 EP99959474A EP99959474A EP1147264B1 EP 1147264 B1 EP1147264 B1 EP 1147264B1 EP 99959474 A EP99959474 A EP 99959474A EP 99959474 A EP99959474 A EP 99959474A EP 1147264 B1 EP1147264 B1 EP 1147264B1
Authority
EP
European Patent Office
Prior art keywords
cut
concrete
concrete part
part according
flask
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 - Lifetime
Application number
EP99959474A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1147264A1 (fr
Inventor
Dominique Fonfrede
Edmond Compassi
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
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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
Publication of EP1147264A1 publication Critical patent/EP1147264A1/fr
Application granted granted Critical
Publication of EP1147264B1 publication Critical patent/EP1147264B1/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
    • E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
    • E02D9/005—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof removing the top of placed piles of sheet piles

Definitions

  • the invention relates to a device for coppicing or demolishing a part made of concrete, comprising means for placing at least one element of coppicing equipped with an elementary tank intended to receive a reactive agent of chemical or mechanical nature to cause cracking by expansion effect of the concrete part.
  • a coppicing device has already been proposed using reservation means set up before the concrete pouring operation, to create a series of channels in the mass of hardened concrete.
  • the reactive agent is then introduced into the channels communicating with the different tanks.
  • the implementation of such a method of reservation makes use of a removable cage having a plurality of rigid bars vertical.
  • the reaction of the blowing agent causes a burst of the mass of concrete, which requires disassembly of the exploded concrete blocks.
  • the object of the invention is to provide a coppicing or demolition device for simple construction, allowing precise definition of the rupture zone of the part of a concrete structure to be demolished, without affecting the mechanical strength of the rest of the work.
  • the device according to the invention is characterized in that the reservoir of each element of coppicing is formed by a bottle, made in particular of plastic material, having a closed bottom, and a lateral envelope making an acute angle with the bottom, said angle between 25 ° and 60 ° to generate expansion forces intended to cause a fracture of the concrete part along the rupture zone defined by the bottom, and a small amplitude lifting movement of the block concrete after coppicing.
  • the top of the envelope is attached to a support for setting up the bottom at the desired demolition level.
  • the support member comprises a tube rigid connected to a tubular connection end formed at the top of the envelope, said tube serving as the demolition agent's supply channel inside from the bottle.
  • each cutting element can be carried out individually, or grouped using a positioning frame, before or after concrete pouring operation.
  • the positioning frame is fixed before the concrete casting operation, to reinforcements pending by means of spacers angularly spaced between the different tubes of the coppicing elements.
  • the spacers advantageously extend in the radial direction towards the inside of the frame positioning to delimit an orifice for the axial passage of the pouring pipe of the concrete.
  • each coppicing element is generally arranged horizontally extending perpendicular to the driving direction. It results in a horizontal fracture of the concrete along a plane passing through all the bottoms coplanar of the vials. Then just lift the block cut at the base, and the operation is finished.
  • each bottle can be filled with an agent delayed reagent, and is then put in place before or after pouring the concrete, without make use of filling tubes.
  • a cutting element 10 for a demolition device concrete structures includes a bottle 12, preferably made of plastic, intended to be connected to a support member 14 constituted by a vertical tube 16.
  • the bottle 12 is shaped according to a hollow bottom pocket 18 closed substantially flat, connected to a frustoconical side casing 20. It is clear that any other form of revolution can be used to make the envelope 20.
  • the bottom 18 can also be curved to compensate for the pressure generated by concrete during casting.
  • the envelope 20 forms an acute angle with the bottom 18, said angle at the base being preferably between 25 ° and 60 °.
  • a tubular end piece 22 is arranged at top of the casing 20 to receive the lower end of the tube 16. The fixing from tube 16 to envelope 20 is effected by screwing or by any means assembly.
  • the copping element 10 is introduced vertically in fresh concrete 24 after the concrete pouring operation.
  • the length the tube 16 is chosen to allow the upper end to protrude, which serves as an access orifice 26 for the installation of a destruction agent, for example example of the chemical or mechanical expansive type.
  • the depth of penetration of the cutting element 10 into the concrete 24 precisely determines the rupture zone 28.
  • the resulting reaction forces F are distributed perpendicularly along the wall of the frustoconical envelope 20, and generate radial components F1 extending parallel to the bottom 18, and vertical components F2 perpendicular to the bottom 18. This results in a fracture horizontal of the concrete in the plane passing through the flat bottom 18 of the bottle 12 which determines the coppicing area 28.
  • the action of the vertical components F2 causes a slight lifting movement of the concrete block during cutting.
  • the introduction of the coppers 10 in the fresh concrete is facilitated by a guide element 30 fixed to the outer face of the flat bottom 18.
  • the guide element 30 is formed by a cone, made for example of concrete, of which the point is directed downwards, and the base is in contact with the bottom 18.
  • a plurality of elements of coppicing 10 are placed in fresh concrete.
  • the introduction of these elements can be done individually or grouped on a positioning frame 32 common.
  • the insertion by means of a positioning frame allows a simultaneous and rapid penetration of all the bottles 12 into the fresh concrete.
  • the demolition agent is then introduced into the bottles 12 through the openings 26 of the different tubes 16. After the expansion reaction of the demolition agent, the fracture horizontal concrete allows coppicing by a simple vertical lifting of the block fractured concrete.
  • the positioning frame 32 equipped with different grading elements 10 is put in place before pouring the concrete 24.
  • the positioning frame 32 is fixed beforehand to the frames 34 awaiting pile by spacers 36 angularly spaced between the tubes 16, and resting on a hoop 39 secured to the frames.
  • the reinforcements 34 are formed by steel concrete irons coaxially surrounding the tubes 16 and the spacers 36 extend radially inwards from the frame of positioning 32 to define the internal orifice 38 for passage of the pouring pipe (not shown) concrete. All the bottoms 18 of the bottles 12 are arranged substantially in the same horizontal plane.
  • the tubes 16 for supplying the expanding agent remain integrated in the concrete block recovered after coppicing.
  • the flat bottom 18 of the bottles 12 makes it possible to obtain a horizontal fracture of the block of concrete along the coppicing zone 28. It is clear that a diagonal fracture can be obtained by means of bottles having bottoms inclined at an angle predetermined corresponding to the fracture plane.
  • the bottles 12 are not extended by tubes 16, but are filled directly with a delayed expanding agent chemical or mechanical.
  • each bottle 112 has for this purpose a bottom 118 consisting of a removable cover, which is closed after filling with the expansive agent delayed.
  • the end piece 122 is closed, and the conical shape or frustoconical of the envelope 120 is similar to that of FIG. 1.
  • the bottles 112 filled with the delayed expansive agent are either put in place before the pouring concrete by means of a support frame, or introduced into fresh concrete after casting via a recoverable rod.
  • the expansion delay effect may have a specific duration, preferably more than 2 days, depending on the size of the structure, the nature of the concrete and of room temperature.
  • the plastic material of the vials 12, 112 can be replaced by any other material breakable or deformable equivalent, for example glass.
  • a device 200 for fixing a tube 16 to a fitting template 202 comprises a collet 203 associated with a support profile 204 in which a tube 16 is threaded.
  • the profile 204 has two elastic branches intended to approach or move away depending on the closed or open position of the clamp 203.
  • the laying template 202 equipped with a plurality of tubes 16 and bottles 12, is placed on the hoop 39.
  • the clamp 203 is actuated towards the loosened position, and each tube 16 is lowered individually towards the bottom. In limit switch, the clamp 203 is closed to block the tube 36.
  • the fastening device 300 of the tube 16 is formed by a clip part 302 of substantially circular section, and deformation elastically.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Shovels (AREA)
  • Sewage (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Disintegrating Or Milling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Artificial Fish Reefs (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Revetment (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Turning (AREA)
EP99959474A 1998-12-11 1999-12-10 Dispositif de recepage pour des ouvrages en beton Expired - Lifetime EP1147264B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9815848 1998-12-11
FR9815848A FR2787131B1 (fr) 1998-12-11 1998-12-11 Dispositif de recepage pour des ouvrages en beton
PCT/FR1999/003088 WO2000036228A1 (fr) 1998-12-11 1999-12-10 Dispositif de recepage pour des ouvrages en beton

Publications (2)

Publication Number Publication Date
EP1147264A1 EP1147264A1 (fr) 2001-10-24
EP1147264B1 true EP1147264B1 (fr) 2003-04-23

Family

ID=9534010

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99959474A Expired - Lifetime EP1147264B1 (fr) 1998-12-11 1999-12-10 Dispositif de recepage pour des ouvrages en beton

Country Status (21)

Country Link
US (1) US6623212B1 (hu)
EP (1) EP1147264B1 (hu)
JP (1) JP4118517B2 (hu)
KR (1) KR100707109B1 (hu)
CN (1) CN1332098C (hu)
AT (1) ATE238458T1 (hu)
AU (1) AU1663500A (hu)
BR (1) BR9916100A (hu)
CA (1) CA2353967A1 (hu)
CZ (1) CZ299514B6 (hu)
DE (1) DE69907273T2 (hu)
ES (1) ES2198159T3 (hu)
FR (1) FR2787131B1 (hu)
HK (1) HK1039972B (hu)
HU (1) HUP0104597A3 (hu)
IL (1) IL143497A (hu)
MX (1) MXPA01005715A (hu)
PL (1) PL203381B1 (hu)
PT (1) PT1147264E (hu)
TR (1) TR200101694T2 (hu)
WO (1) WO2000036228A1 (hu)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7621097B2 (en) * 2006-11-07 2009-11-24 Weston Wilhour System and method for casting column bases for a post frame structure
FR2913034B1 (fr) * 2007-02-23 2009-05-22 Recepieux Soc Par Actions Simp Dispositif de recepage a declenchement controle
CN110130674B (zh) * 2019-06-28 2021-07-02 绍兴文理学院 一种静态破碎的超大预埋破碎孔装置及其使用方法
JP7165461B1 (ja) * 2022-07-05 2022-11-04 千代田ソイルテック株式会社 破砕装置及び柱状改良杭の撤去工法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432977A (en) * 1967-03-08 1969-03-18 Us Navy Application of shaped charge to earth anchor
US3496729A (en) * 1968-05-24 1970-02-24 Bernd Pleuger Protective tube for concrete pile
US4165198A (en) * 1976-09-07 1979-08-21 Farmer Foundation Company Method for forming pier foundation columns
JPS5670324A (en) * 1979-11-12 1981-06-12 Shogo Matsugishi Concrete crushing body and crushing method of concrete structure
JPS5985023A (ja) * 1982-11-05 1984-05-16 Shotaro Shimura 場所打杭工法
JPS5991214A (ja) * 1982-11-18 1984-05-25 Sumitomo Cement Co Ltd 場所打杭の杭頭処理工法
JPS6059223A (ja) * 1983-09-08 1985-04-05 Hazama Gumi Ltd 場所打ち杭の杭頭処理方法
US4673157A (en) * 1985-11-13 1987-06-16 Wells Gordon T Footing form
US4767241A (en) * 1985-11-13 1988-08-30 Wells Gordon T Method for simultaneous forming of concrete footings and piers
US5622453A (en) * 1995-04-27 1997-04-22 The United States Of America As Represented By The United States Department Of Energy Method and apparatus for in-densification of geomaterials for sealing applications
FR2767346A1 (fr) * 1997-08-12 1999-02-19 Dominique Fonfrede Procede et dispositif de recepage pour des pieces d'ouvrage en beton

Also Published As

Publication number Publication date
FR2787131A1 (fr) 2000-06-16
JP4118517B2 (ja) 2008-07-16
HUP0104597A3 (en) 2002-04-29
CZ299514B6 (cs) 2008-08-20
BR9916100A (pt) 2001-09-04
DE69907273T2 (de) 2004-05-06
KR100707109B1 (ko) 2007-04-13
JP2002532642A (ja) 2002-10-02
CN1332098C (zh) 2007-08-15
PL203381B1 (pl) 2009-09-30
HUP0104597A2 (hu) 2002-03-28
TR200101694T2 (tr) 2002-01-21
PT1147264E (pt) 2003-11-28
IL143497A (en) 2005-06-19
HK1039972B (zh) 2007-11-09
HK1039972A1 (en) 2002-05-17
DE69907273D1 (de) 2003-05-28
CN1329690A (zh) 2002-01-02
ES2198159T3 (es) 2004-01-16
EP1147264A1 (fr) 2001-10-24
IL143497A0 (en) 2002-04-21
KR20010093153A (ko) 2001-10-27
CZ20012047A3 (cs) 2002-06-12
US6623212B1 (en) 2003-09-23
PL348183A1 (en) 2002-05-06
ATE238458T1 (de) 2003-05-15
WO2000036228A1 (fr) 2000-06-22
CA2353967A1 (en) 2000-06-22
FR2787131B1 (fr) 2001-03-16
AU1663500A (en) 2000-07-03
MXPA01005715A (es) 2003-07-14

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