EP0653518A1 - Verfahren zur Herstellung von dünnen Wänden im Boden - Google Patents

Verfahren zur Herstellung von dünnen Wänden im Boden Download PDF

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Publication number
EP0653518A1
EP0653518A1 EP94402546A EP94402546A EP0653518A1 EP 0653518 A1 EP0653518 A1 EP 0653518A1 EP 94402546 A EP94402546 A EP 94402546A EP 94402546 A EP94402546 A EP 94402546A EP 0653518 A1 EP0653518 A1 EP 0653518A1
Authority
EP
European Patent Office
Prior art keywords
sheet pile
wall
high pressure
grout
during
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
EP94402546A
Other languages
English (en)
French (fr)
Other versions
EP0653518B1 (de
Inventor
Dieter Volk
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.)
Compagnie du Sol SARL
Original Assignee
Compagnie du Sol SARL
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 Compagnie du Sol SARL filed Critical Compagnie du Sol SARL
Publication of EP0653518A1 publication Critical patent/EP0653518A1/de
Application granted granted Critical
Publication of EP0653518B1 publication Critical patent/EP0653518B1/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
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/24—Placing by using fluid jets
    • 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
    • E02D5/18—Bulkheads or similar walls made solely of concrete in situ

Definitions

  • the present invention relates to a new improved method for producing thin walls in the ground.
  • Such walls can, for example, be around ten centimeters thick and around twenty meters high.
  • very high pressure liquid is understood according to the present description a liquid sent at pressures of for example between 200 and 600 kg per square centimeter.
  • the present invention relates to improvements to the process described above which make it possible to substantially improve the quality of the sealed wall obtained and to increase its speed of execution.
  • the subject of the present invention is an improved method for producing watertight walls in the ground of the type in which one vertically sinks by vibration and a sheet pile is raised in the ground along the path of the wall to be produced, by injecting at low pressure at the base of the sheet pile a conventional grout and a jet of liquid at very high pressure directed substantially in the plane of the wall, and in the direction of the part of the wall to be produced, characterized in that during the ascent of the sheet pile , we send to the lower part of the latter a jet of liquid at very high pressure towards the part of the wall which has already been produced, and by the fact that the liquid at very high pressure which is sent to the lower part of the sheet pile during its descent and during its ascent is constituted by a fluid grout based on water, bentonite, cement and additives while one injects at the base of the sheet pile, during its descent and from its ascent, a thick conventional grout, based on water, bentonite, cement, additives and an aggregate which communicates its consistency to it.
  • sheet pile is understood to mean, according to the present description, a rigid metal section, generally made of steel, which is driven into the ground successively along the path of the wall which it is desired to produce.
  • adjuvant is meant, according to the present description, liquid or pulverulent products whose incorporation at low dose in a grout causes modifications of certain properties of the grout, in the fresh or hardened state.
  • the adjuvants can also consist of any other product intended to adapt the rheology of the grouts to the conditions encountered on the site (for example anti-freeze products).
  • the invention makes it possible to confer perfect continuity on the wall and thus to improve the quality of the latter.
  • the grout injected at low pressure into the lower part of the sheet pile during threshing and during the ascent of the latter is of a relatively large consistency so as to be able to ensure resistance, flexibility, impermeability and resistance to erosion of the wall.
  • the grout which is injected at very high pressure into the wall already formed during the ascent of the sheet pile is a very fluid grout produced only on the basis of water, cement, bentonite and additives, so that one could legitimately wonder whether the injection at very high pressure of such a grout would not cause the wall already made to lose its essential characteristics of resistance, flexibility, impermeability and resistance to erosion.
  • the axis of the nozzles arranged at the bottom of the sheet pile which send the fluid grout under very high pressure is slightly inclined downwards, for example from 8 to 20% relative to the 'horizontal.
  • the nozzles which do not send grout at very high pressure during the various stages of the process allow a low flow rate of grout at low pressure to flow in order to prevent them from being blocked.
  • the sheet pile 1 is intended to be driven into the ground to make the thin wall 2.
  • a vibratory hammer or vibrobeater 3 actuated for example by a powerful hydraulic motor which vibrates the sheet pile 1 so that it sinks into the ground.
  • the vibratory hammer 3 is supported by the mast 4 of a lifting machine 5 schematically shown.
  • the sheet pile 1 is guided in its descent by a device secured to the lifting device 5 which, for the simplicity of the drawing, has not been shown.
  • FIG. 1 shows the pile driving or driving of the sheet pile 1, as shown in arrow F.
  • a thick conventional grout for thin wall is sent under low pressure by a nozzle 6 located below the sheet pile while a fluid grout 7 is sprayed at very high pressure below the sheet pile downstream direction, that is to say to the right in the drawing, in the direction of the terrain in which the wall is to be made.
  • FIG. 2 shows a particular embodiment of the lower part of the sheet pile 1 which has a central core 8 and two wings 9.
  • the central core 8 has a thickness reinforcement 8 has in its lower part. It is the same wings 9 which present building extra thicknesses 9a.
  • the wing 9 on the left and its reinforcement 9 a extend downwards substantially beyond the central core 8.
  • a fin 10 is fixed to the outside of the left wing of the sheet pile 1, in the extension of the core 8, so as to move in the part 2 of the thin wall which has already been produced and to stabilize the trajectory of the sheet pile during its descent.
  • the lower part of the sheet pile has been schematically represented in FIG. 4 as it sinks into the ground when it is driven.
  • the sheet pile 1 is guided so as to be preferably situated at the limit between the part of the wall 2 which has already been made and the ground to be sealed which is to its right in the drawing.
  • a thick grout of the type usually used to make the sealing walls, water-based, bentonite, cement and aggregate is injected by the double nozzle 6 at a pressure of a few tens of kilograms per square centimeter.
  • This injection of thick grout is essentially intended to facilitate penetration into the ground of the sheet pile under the effect of the vibrations which are communicated to it.
  • a fluid grout based on cement, bentonite, additives and water is injected at very high pressure, for example at 600 kg per square centimeter, through nozzle 12 to the right, towards the ground. in which the wall is to be made.
  • the axis of the nozzle is inclined about 15% downward relative to the horizontal.
  • fluid grout is also sent into the nozzle 13 which is directed towards the wall 2 already produced, but only at a pressure of a few kilograms per square centimeter and only to avoid blocking of the pipe 15 and from nozzle 13.
  • the fluid grout which is sent under very high pressure through the nozzle 12, has the effect of disintegrating and permeating the ground below the sheet pile, which greatly facilitates and accelerates the descent of the latter by carrying out the excavation in which the wall will be made.
  • a jet of fluid grout at very high pressure is sent to the left by the nozzle 13 in the direction of the thin wall 2 which has already been produced.
  • the embodiment of the invention which has just been described makes it possible to produce in the ground, at a high speed, a wall of excellent quality which has good continuity and good sealing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Treating Waste Gases (AREA)
  • Secondary Cells (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
EP94402546A 1993-11-12 1994-11-10 Verfahren zur Herstellung von dünnen Wänden im Boden Expired - Lifetime EP0653518B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9313509A FR2712317B1 (fr) 1993-11-12 1993-11-12 Procédé de réalisation de parois minces dans le sol.
FR9313509 1993-11-12

Publications (2)

Publication Number Publication Date
EP0653518A1 true EP0653518A1 (de) 1995-05-17
EP0653518B1 EP0653518B1 (de) 1999-06-16

Family

ID=9452787

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94402546A Expired - Lifetime EP0653518B1 (de) 1993-11-12 1994-11-10 Verfahren zur Herstellung von dünnen Wänden im Boden

Country Status (9)

Country Link
EP (1) EP0653518B1 (de)
AT (1) ATE181385T1 (de)
CZ (1) CZ284967B6 (de)
DE (2) DE653518T1 (de)
DK (1) DK0653518T3 (de)
ES (1) ES2075825T3 (de)
FR (1) FR2712317B1 (de)
HU (1) HU217308B (de)
SK (1) SK283910B6 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1004237C2 (nl) * 1996-10-10 1998-04-14 Tijmen Van Halteren Profiel, meer in het bijzonder damwandprofiel.
EP1916341A2 (de) * 2006-10-23 2008-04-30 Lutz Stolze Verfahren und Vorrichtung zum Einbringen von Profilen in das Erdreich

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10222304B4 (de) * 2002-05-18 2008-07-17 Harald Gollwitzer Gmbh Verfahren zum Erstellen einer Schmalwand in einem Boden oder Untergrund
DE10337127B4 (de) * 2003-04-16 2012-03-08 Harald Gollwitzer Gmbh Pfahl zum Einbringen in einen Untergrund oder Baugrund
DE10327470B3 (de) * 2003-06-18 2004-09-30 Bauer Spezialtiefbau Gmbh Vorrichtung zur Herstellung von Einzelschlitzen oder durchgehenden Wänden im Erdreich nach dem Mixed-in-Place-Verfahren
CN102628270B (zh) * 2012-04-23 2014-07-09 山东电力工程咨询院有限公司 大直径变截面异形增阻钢管桩系统及其施工方法
CN105672316A (zh) * 2016-02-03 2016-06-15 上海市基础工程集团有限公司 钢桩下沉减阻装置及施工方法
WO2018234836A1 (en) 2017-06-19 2018-12-27 Barkasz Sandor METHOD FOR PRODUCING CONSTRUCTION OF DIAPHRAGM WALL WITHOUT FLOOR EXCAVATION, AND SYSTEM FOR CONSTRUCTING DIAPHRAGM WALL
EP4296432A1 (de) * 2022-06-24 2023-12-27 Ørsted Wind Power A/S Fundament für eine struktur und verfahren zur installation davon

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7607207A (nl) * 1975-07-03 1977-01-05 Soletanche Werkwijze voor het in de grond brengen van een afdichtscherm.
DE2844794A1 (de) * 1978-10-13 1980-04-24 Brechtel Johannes Vorrichtung zur herstellung einer schmalwand
EP0513461A1 (de) * 1991-05-14 1992-11-19 Compagnie Du Sol Verfahren und Vorrichtung zur Herstellung von dünnen Wänden im Boden

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7607207A (nl) * 1975-07-03 1977-01-05 Soletanche Werkwijze voor het in de grond brengen van een afdichtscherm.
DE2844794A1 (de) * 1978-10-13 1980-04-24 Brechtel Johannes Vorrichtung zur herstellung einer schmalwand
EP0513461A1 (de) * 1991-05-14 1992-11-19 Compagnie Du Sol Verfahren und Vorrichtung zur Herstellung von dünnen Wänden im Boden

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1004237C2 (nl) * 1996-10-10 1998-04-14 Tijmen Van Halteren Profiel, meer in het bijzonder damwandprofiel.
EP1916341A2 (de) * 2006-10-23 2008-04-30 Lutz Stolze Verfahren und Vorrichtung zum Einbringen von Profilen in das Erdreich
EP1916341A3 (de) * 2006-10-23 2011-12-14 Lutz Stolze Verfahren und Vorrichtung zum Einbringen von Profilen in das Erdreich

Also Published As

Publication number Publication date
HU9403231D0 (en) 1995-02-28
EP0653518B1 (de) 1999-06-16
DE653518T1 (de) 1996-02-29
DE69419110D1 (de) 1999-07-22
ES2075825T3 (es) 1999-09-16
FR2712317B1 (fr) 1995-12-29
HU217308B (hu) 1999-12-28
HUT73030A (en) 1996-06-28
ATE181385T1 (de) 1999-07-15
DE69419110T2 (de) 2000-03-09
CZ277994A3 (en) 1995-06-14
SK283910B6 (sk) 2004-04-06
DK0653518T3 (da) 2000-01-10
ES2075825T1 (es) 1995-10-16
SK135494A3 (en) 1995-06-07
FR2712317A1 (fr) 1995-05-19
CZ284967B6 (cs) 1999-04-14

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