EP0580264A1 - Dispositif et méthode d'excavation pour la réalisation d'une paroi moulée - Google Patents

Dispositif et méthode d'excavation pour la réalisation d'une paroi moulée Download PDF

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Publication number
EP0580264A1
EP0580264A1 EP93202190A EP93202190A EP0580264A1 EP 0580264 A1 EP0580264 A1 EP 0580264A1 EP 93202190 A EP93202190 A EP 93202190A EP 93202190 A EP93202190 A EP 93202190A EP 0580264 A1 EP0580264 A1 EP 0580264A1
Authority
EP
European Patent Office
Prior art keywords
excavator
pit
ground
panel
support tube
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
EP93202190A
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German (de)
English (en)
Other versions
EP0580264B1 (fr
Inventor
Alexander Julien Verstraeten
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.)
Beheersmaatschappij Verstraeten BV
Original Assignee
Beheersmaatschappij Verstraeten BV
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Publication of EP0580264A1 publication Critical patent/EP0580264A1/fr
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Publication of EP0580264B1 publication Critical patent/EP0580264B1/fr
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Classifications

    • 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 invention relates to a method for providing deep partition walls in the ground, which method comprises:
  • the object of the invention is to provide a method of the type described hereinabove, in which these drawbacks have been overcome and, consequently, a deep wall can be made whose adjoining panels exhibit only a very small deviation relative to each other in a direction perpendicular to the wall to be provided in the ground.
  • this object is realized in that the first and the second pit are excavated with an excavator of circular section, designed as a drill head, whereafter the ground panel located between the first and the second well is excavated with a second excavator, laterally fitted with tubular guide elements, which, during excavation, are guided by the walls of the first and the second pit.
  • the first pit of that next panel must be free of the hardenable mass provided in the preceding panel.
  • the second pit is separated from the adjacent ground panel by means of a support tube, securable in this second pit, whereafter the newly excavated panel space and the first pit are filled with a hardenable mass. In this manner, the second pit of the preceding panel is kept clear for receiving the tubular guide element of the excavator during excavation of the adjacent ground panel.
  • the excavation of a ground panel between two pits provided earlier is effected with a deep-wall cutter, known per se, or a similar excavating apparatus, which, according to the invention, is provided with a tubular guide element at the two short sides thereof, projecting from the excavator on opposite sides in the direction of excavation.
  • one of the tubular guide elements is connected to the excavator by means of a parallelogram construction, which guide element is held against the excavator by means of springs.
  • the apparatus for applying the method according to the invention further comprises a support tube provided on at least one side with an inflatable body, which extends over the tube over at least one-fourth portion of the tube circumference and is inflatable by means of liquid or air.
  • Such a support tube can be arranged in the second pit after excavation of a first ground panel, whereafter the remaining portion of the first panel space is filled up with a hardenable mass. After hardening of this hardenable mass, the support tube is removed from this second pit, whereafter the next panel can be excavated, while a guide element of the excavator can be received in the pit from which the support tube has been removed.
  • Fig. 1 shows a first panel space A in full lines and a next panel space B in broken lines.
  • the depth L of such a wall is for instance 100 m below the ground level O.
  • the thickness D of the panel space is for instance 1 m, while at a depth of 100 m the overlap d of the two panel spaces must be at least 50 cm in order to obtain an abutting wall that is impervious to water. In that case, the deviation angle ⁇ must not be more than 0.3° and this extremely slight deviation is not measurable by the measuring equipment presently available. Consequently, in order to obtain an overlap of at least 50 cm all the same, the thickness D of the wall panel, and hence the allowable deviation angle ⁇ , will have to be increased.
  • Fig. 2 shows the situation where two wells 8 have been drilled, spaced apart a distance 9, while a third well 8 is being drilled by means of a drill apparatus 1.
  • the wells 8 already drilled are filled with a support liquid 4, such as for instance bentonite.
  • the drill apparatus 1 comprises a Kelly-rod, known per se, whose lower end mounts a drill head 3.
  • the Kelly-rod is suspended from a hoist disc 5, suspended from the drill apparatus 1 by means of a cable 6.
  • the drill head 3 has a weight of about 35 tons, while via the cable 6 a vertical lifting power of about 10-15 tons is exerted on the drill head 3, so that this drill head 3 is suspended with a weight of about 20-25 tons from the drill apparatus 1 in the manner of a plumb.
  • the soil loosened up by the drill head 3 is discharged upwards in a conventional manner, together with the support liquid 4 present in the hole that has already been drilled.
  • the support liquid 4 is separated from the mass of soil transported upwards, whereafter the support liquid 4 can be supplied again to the well to be excavated. In this manner, truly vertical holes of a depth of more than 100 m can be provided in the ground.
  • Fig. 3 shows how the ground panel 11, located between two successive wells 8, is excavated by means of a deep-wall cutter 10.
  • the deep-wall cutter or a similar excavating apparatus such as for instance a grip, is provided with tubular guide elements 12 at the sides thereof, which guide elements have such a diameter that they are movable with some play 14 in a well 8.
  • the guide elements 12 project from the excavator 10 on opposite sides in the direction of excavation, while the projecting parts 13 of the guide elements 12 preferably have a conical shape so that they can be moved probingly within the wells 8.
  • the projecting parts 13 are weighted, so that the deep-wall cutter 10 is pulled into the ground.
  • One of the guide tubes 12 is connected to the excavator 10 by means of a parallelogram construction 16, so that lateral play can be taken up.
  • the guide tube 12, connected to the excavator 10 via the parallelogram construction 16 is held against the rubber blocks 18, arranged on the excavator, so that both a positive and a negative play can be taken up.
  • the excavator 10 is suspended from a drill apparatus 1 by means of a cable. It is not necessary to push the excavator 10 into the ground by means of a tube arranged on the trailing end thereof.
  • Mounted on the excavator 10 are pumps 19 for discharging the support liquid blended with the mass of soil, which is fed to a separator 7.
  • the wells 8 accommodating guide tubes 12 have been excavated to a somewhat greater depth than the desired depth of the partition wall to be provided in the ground, in order to accommodate the projecting parts 13 of the guide tubes 12 at the moment when the deep-wall cutter 10 has reached the desired depth.
  • the diameter of the wells 8 is greater than the thickness 15 of the ground panel 11, the thickness 15 corresponding, of course, to the width of the excavator 10.
  • a support tube 20 is arranged in the second well 8, as shown in Fig. 4.
  • This support tube 20 serves to keep open the second well 8 while the hole consisting of the first well 8 and the panel space 11 connecting thereto is filled with a hardenable mass 22.
  • a hardenable mass for instance a concrete mixture can be used, optionally further provided with a reinforcement.
  • the support liquid 4, present in the panel during excavation, is displaced by the hardenable mass 22 or pumped off.
  • the support tube 20 (see Fig. 6) consists of a metal tube, comprising an inflatable body 21 over at least one-fourth of its circumference in axial direction, which inflatable body, together with the wall of the support tube 20, constitutes an expandable chamber, which can be filled with air or a liquid under pressure.
  • the support tube 20 is fixed in a well such that the inflatable body 21 abuts against the successive ground panel 11. Consequently, the support tube 20 is secured against the inner wall of the well 8.
  • the support tube 20 is removed from the well 8 after the air or liquid used for expanding the inflatable body 21, is removed by suction. Subsequently, as is shown in Fig. 5, the adjacent ground panel 11 is excavated in the same manner as shown in Fig. 3.
  • the successive panel space thus provided perfectly connects to the preceding panel space, as described hereinabove. Consequently, this means that the thickness of the panel space need not be greater than the necessary thickness d, as shown in Fig. 1. As a result, a considerable saving in material can be achieved. Further, an important advantage is that the total length of the excavator in the direction of the partition wall can be utilized, because an overlap in lateral direction, as shown in Fig. 4 of Dutch patent application No. 87.02430, is no longer needed.
  • an inflatable body 21 Arranged on one side of the support tube 20 is an inflatable body 21, while on the side opposite this inflatable body there are arranged outwardly projecting support strips 24, between which a sealing strip 23 can be accommodated so as to be axially slidable.
  • this sealing strip 23 can be left in the hardenable mass 22 of the preceding panel space and subsequently be incorporated into the hardenable mass 22, to be provided in the next panel space.
EP19930202190 1992-07-24 1993-07-23 Dispositif d'obturation ajustable pour sections de tranchée excavées pour parois moulées Expired - Lifetime EP0580264B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9201345A NL9201345A (nl) 1992-07-24 1992-07-24 Werkwijze voor het aanbrengen van diepe scheidingswanden in de bodem, alsmede een graafinrichting voor toepassing bij deze werkwijze.
NL9201345 1992-07-24

Publications (2)

Publication Number Publication Date
EP0580264A1 true EP0580264A1 (fr) 1994-01-26
EP0580264B1 EP0580264B1 (fr) 1997-10-08

Family

ID=19861109

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930202190 Expired - Lifetime EP0580264B1 (fr) 1992-07-24 1993-07-23 Dispositif d'obturation ajustable pour sections de tranchée excavées pour parois moulées

Country Status (3)

Country Link
EP (1) EP0580264B1 (fr)
DE (1) DE69314402T2 (fr)
NL (1) NL9201345A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1770219A1 (fr) * 2005-09-30 2007-04-04 SOILMEC S.p.A. Procédée et dispositif de guidance pour laréalisation en place de colonnes de béton dans un sol
WO2009150227A1 (fr) * 2008-06-13 2009-12-17 Otium & Business S.R.L. Procédé et appareil destinés à former des panneaux étanches à l’eau dans des fondations de bâtiment, des fondations spéciales, des murs parafouilles et des constructions similaires
JP2011510187A (ja) * 2008-01-14 2011-03-31 ソイルメック ソシエタ ペル アテオニ 柱列状連続孔を削孔するための設備
EP2378002A1 (fr) 2010-04-16 2011-10-19 BAUER Maschinen GmbH Dispositif de pelousage pour établir une fente s'étendant verticalement dans le sol
ITTO20100618A1 (it) * 2010-07-19 2012-01-20 Soilmec Spa Dispositivo di perforazione per l'esecuzione di diaframmi e relativo metodo.
JP2019065457A (ja) * 2017-09-28 2019-04-25 清水建設株式会社 地中連続壁構造
CN115198783A (zh) * 2022-07-08 2022-10-18 中交第二航务工程局有限公司 隔仓式地连墙锚碇基础的施工控制方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1484545A1 (de) * 1964-11-12 1969-05-29 Josef Riepl Bau Unternehmung F Verfahren zum Herstellen von Betonwaenden mittels in den Erdboden eingegrabener Schlitze
DE1634323B1 (de) * 1966-11-02 1970-07-23 Deutsche Bauakademie Verstellbare Absperrvorrichtung für die Grabenabschnitte von Schlitzwänden
DE1658773B1 (de) * 1968-02-28 1971-08-26 Wolff & Mueller Tunnelbauverfahren
EP0290303A1 (fr) * 1987-04-03 1988-11-09 SOLETANCHE Société Anonyme dite: Procédé de réalisation et coffrage pour joint d'extrémité de panneau de paroi moulée
DE3823784A1 (de) * 1988-07-14 1990-01-25 Hochtief Ag Hoch Tiefbauten Verfahren, abdichtungselemente und vorrichtung zur herstellung einer abdichtungsschlitzwand

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1484545A1 (de) * 1964-11-12 1969-05-29 Josef Riepl Bau Unternehmung F Verfahren zum Herstellen von Betonwaenden mittels in den Erdboden eingegrabener Schlitze
DE1634323B1 (de) * 1966-11-02 1970-07-23 Deutsche Bauakademie Verstellbare Absperrvorrichtung für die Grabenabschnitte von Schlitzwänden
DE1658773B1 (de) * 1968-02-28 1971-08-26 Wolff & Mueller Tunnelbauverfahren
EP0290303A1 (fr) * 1987-04-03 1988-11-09 SOLETANCHE Société Anonyme dite: Procédé de réalisation et coffrage pour joint d'extrémité de panneau de paroi moulée
DE3823784A1 (de) * 1988-07-14 1990-01-25 Hochtief Ag Hoch Tiefbauten Verfahren, abdichtungselemente und vorrichtung zur herstellung einer abdichtungsschlitzwand

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 7, no. 279 (M-262)(1424) 13 December 1983 & JP-A-58 156 630 ( NIHON IKOSU K.K. ) 17 September 1983 *
PATENT ABSTRACTS OF JAPAN vol. 8, no. 258 (M-340)(1965) 27 November 1984 & JP-A-59 130 920 ( NISHIMATSU KENSETSU K.K. ) 27 July 1984 *

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1770219A1 (fr) * 2005-09-30 2007-04-04 SOILMEC S.p.A. Procédée et dispositif de guidance pour laréalisation en place de colonnes de béton dans un sol
EP2434057A1 (fr) * 2008-01-14 2012-03-28 Soilmec S.p.A. Équipement pour le percement de trous sécants
JP2011510187A (ja) * 2008-01-14 2011-03-31 ソイルメック ソシエタ ペル アテオニ 柱列状連続孔を削孔するための設備
WO2009090034A3 (fr) * 2008-01-14 2019-02-14 Soilmec S.P.A. Equipement pour forer des trous sécants
US8485281B2 (en) 2008-01-14 2013-07-16 Soilmec S.P.A. Equipment for drilling secant holes
WO2009150227A1 (fr) * 2008-06-13 2009-12-17 Otium & Business S.R.L. Procédé et appareil destinés à former des panneaux étanches à l’eau dans des fondations de bâtiment, des fondations spéciales, des murs parafouilles et des constructions similaires
EP2378002A1 (fr) 2010-04-16 2011-10-19 BAUER Maschinen GmbH Dispositif de pelousage pour établir une fente s'étendant verticalement dans le sol
US8640364B2 (en) 2010-04-16 2014-02-04 Bauer Maschinen Gmbh Cutting device for producing vertically running trenches in the ground
EP2410093A1 (fr) 2010-07-19 2012-01-25 Soilmec S.p.A. Dispositif de forage pour l'exécution de parois de diaphragme et procédé associé
US9151011B2 (en) 2010-07-19 2015-10-06 Soilmec S.P.A. Drilling device for executing diaphragm walls and method thereof
ITTO20100618A1 (it) * 2010-07-19 2012-01-20 Soilmec Spa Dispositivo di perforazione per l'esecuzione di diaframmi e relativo metodo.
JP2019065457A (ja) * 2017-09-28 2019-04-25 清水建設株式会社 地中連続壁構造
CN115198783A (zh) * 2022-07-08 2022-10-18 中交第二航务工程局有限公司 隔仓式地连墙锚碇基础的施工控制方法
CN115198783B (zh) * 2022-07-08 2023-09-08 中交第二航务工程局有限公司 隔仓式地连墙锚碇基础的施工控制方法

Also Published As

Publication number Publication date
NL9201345A (nl) 1994-02-16
EP0580264B1 (fr) 1997-10-08
DE69314402T2 (de) 1998-02-12
DE69314402D1 (de) 1997-11-13

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