EP0663475A1 - Vorrichtung zur vor Ort-Herstellung von Pfählen aus verfestigter und verdichteter Erde - Google Patents

Vorrichtung zur vor Ort-Herstellung von Pfählen aus verfestigter und verdichteter Erde Download PDF

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Publication number
EP0663475A1
EP0663475A1 EP95400033A EP95400033A EP0663475A1 EP 0663475 A1 EP0663475 A1 EP 0663475A1 EP 95400033 A EP95400033 A EP 95400033A EP 95400033 A EP95400033 A EP 95400033A EP 0663475 A1 EP0663475 A1 EP 0663475A1
Authority
EP
European Patent Office
Prior art keywords
augers
auger
shafts
axes
centered
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
EP95400033A
Other languages
English (en)
French (fr)
Other versions
EP0663475B1 (de
Inventor
Jean-Claude Gessay
Alain Deniau
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.)
Soletanche Bachy France
Original Assignee
SIF ENTREPRISE
Sondages Injections Forages SIF Enterprise Bachy
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 SIF ENTREPRISE, Sondages Injections Forages SIF Enterprise Bachy filed Critical SIF ENTREPRISE
Publication of EP0663475A1 publication Critical patent/EP0663475A1/de
Application granted granted Critical
Publication of EP0663475B1 publication Critical patent/EP0663475B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/18Bulkheads or similar walls made solely of concrete in situ
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12Consolidating by placing solidifying or pore-filling substances in the soil
    • E02D3/126Consolidating by placing solidifying or pore-filling substances in the soil and mixing by rotating blades

Definitions

  • the invention relates to an improved device for the production in place of columns of stabilized and compacted soil.
  • EP-B-0 161 974 describes a process for the production in place of columns of stabilized and compacted soil. This method comprises a first phase consisting in driving into the ground a rotary drilling tool disintegrating the ground and mixing it with a filler material, and during which an upward movement is imparted to at least part of the disaggregated ground.
  • a device is used, as drilling tool, which comprises at least two parallel shafts, each shaft driving in rotation of an auger, each auger being provided at its end opposite the drive shaft with a disaggregating drilling head and the distance between the axes of the augers being less than the diameter of an auger, the shafts and barrels of the augers comprising a bore connected to a source of filler material and at least one orifice communicating with said bore being provided on the barrel of each auger for discharging er the filler material, the augers being of opposite pitch and being rotated in opposite directions and which further comprises means for reversing the direction of rotation of the augers, in that the first phase is carried out driving said device into the ground while discharging a filler material through said orifice so as to mix it with the disaggregated ground, and in that the second phase is carried out, after having reversed the direction of rotation of the augers,
  • EP-B-0 161 974 claims, moreover, a device suitable for implementing said method which comprises at least two augers, it specifically describes only one device with only two augers.
  • the object of the invention is precisely to provide such a device.
  • the invention relates to a device for producing columns of stabilized and compacted soil in place, of the type which comprises at least two parallel shafts, each shaft driving an auger in rotation, each auger being provided at its end opposite the shaft. for driving a disaggregating drilling head and the distance between the axes of the augers being less than the diameter of an auger, the shafts and barrels of the augers having a bore and at least one orifice communicating with said bore being provided on the barrel of each auger for discharging filler material, the augers being of opposite pitch and being rotated in opposite directions and which further comprises means for reversing the direction of rotation of the augers, characterized in that it includes an even number n , at least equal to 4, of augers and in that, seen in cross section, the axes of the augers are centered at the vertices of a regular polygon of n sides.
  • the device preferably comprises a single motor driving, by an appropriate gearbox, all the augers, this in order to synchronize the augers in rotation, which is essential given their mutual nesting, but it is not obviously not excluded from using several drive motors, if desired, if, moreover, provision is made for adequate synchronization means of the rotation of the augers.
  • Figures 1 and 2 are schematic views in elevation and in cross section (along line II-II) respectively, of an embodiment of the device according to the invention.
  • Figures 3 and 4 are schematic cross-sectional views, at the augers, of other embodiments of the device of the invention.
  • the device represented in FIGS. 1 and 2 comprises the following elements:
  • Each auger is provided at its free end with a disaggregating drilling head 3 adapted to the nature of the ground. It can be, for example, as illustrated, a helical head, or a knife.
  • the distance X between the adjacent axes of the augers is less than the diameter of the augers so that the turns of the adjacent augers are effectively engaged one in the other so as to ensure a movement or forced flow of the disaggregated ground 4 by the augers.
  • each auger also has a bore 5a which communicates with the bore of the corresponding drive shaft, thus making it possible to bring the filler material or binder, coming from a source (not shown), by dry or wet to openings 6 formed on the height of the barrel of each auger so as to ensure intimate mixing with the disaggregated soil.
  • the length of the augers is adapted to the type of terrain and is usually less than the depth of the column to be produced.
  • augers instead of having a continuous helical profile, could be discontinuous, that is to say be replaced by a plurality of spaced propellers.
  • a number of double bearings 7, depending on the depth of the column to be produced, are distributed over the height of the drive shafts and augers so as to maintain their parallelism.
  • the four shafts 1 are rotated by means of a gear reversing reduction device 8, itself connected to a motor 9, which drives them and the augers, rotating in opposite directions and at the same speed.
  • This motor-reduction unit 8-9 can be carried by a drilling machine (not shown) installed on the surface in line with the column to be produced, either by means of a slide on which it can move longitudinally either freely or by through a translation device. Alternatively, it can be suspended from the boom of a lifting device (crane or other). In the latter case, the weight of the device can be adapted so that it exerts the desired bearing force.
  • Figure 3 schematically illustrates a device similar to that of Figures 1 and 2 except that it has six augers 2 instead of four.
  • the shafts 1 of these augers are arranged so that, in cross section, their axes are centered at the vertices of an imaginary regular hexagon H (shown in dotted lines).
  • Figure 4 schematically illustrates a device similar to that of Figures 1 and 2 except that it has eight augers 2 instead of four.
  • the shafts 1 of these augers are arranged so that, in cross section, their axes are centered at the vertices of an imaginary regular octagon O (shown in dotted lines).
  • the improved device of the invention is used in the same way as the device described in EP-B-0 161 974 to which reference will be made for more details.
  • the latter is free from the defect presented by the device of EP-B-0 161 974 when it is used in soft ground, and recalled in the preamble of this description.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (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)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • Soil Working Implements (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Earth Drilling (AREA)
  • Agricultural Machines (AREA)
  • Piles And Underground Anchors (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
EP95400033A 1994-01-14 1995-01-06 Vorrichtung zur vor Ort-Herstellung von Pfählen aus verfestigter und verdichteter Erde Expired - Lifetime EP0663475B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9400380 1994-01-14
FR9400380A FR2715177B1 (fr) 1994-01-14 1994-01-14 Dispositif perfectionné pour la réalisation en place de colonnes de sol stabilisé et compacté.

Publications (2)

Publication Number Publication Date
EP0663475A1 true EP0663475A1 (de) 1995-07-19
EP0663475B1 EP0663475B1 (de) 1998-03-04

Family

ID=9459053

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95400033A Expired - Lifetime EP0663475B1 (de) 1994-01-14 1995-01-06 Vorrichtung zur vor Ort-Herstellung von Pfählen aus verfestigter und verdichteter Erde

Country Status (12)

Country Link
US (1) US5738465A (de)
EP (1) EP0663475B1 (de)
JP (1) JPH0835223A (de)
AT (1) ATE163704T1 (de)
AU (1) AU682731B2 (de)
DE (1) DE69501668D1 (de)
DK (1) DK0663475T3 (de)
ES (1) ES2114723T3 (de)
FR (1) FR2715177B1 (de)
HK (1) HK1004609A1 (de)
MY (1) MY131724A (de)
SG (1) SG52201A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1741836A1 (de) * 2005-06-28 2007-01-10 SOILMEC S.p.A. Verfahren und Vorrichtung zur in-situ Herstellung einer Schmalwand
EP2666911A1 (de) * 2012-05-25 2013-11-27 Bauer Spezialtiefbau GmbH Verfahren zum Herstellen einer Bodenmörtelwand im Boden
CN104631449A (zh) * 2015-02-28 2015-05-20 朱艳菊 平行四边形搅拌桩钻机
CN105507248A (zh) * 2015-12-31 2016-04-20 卢兴耐 工字桩与矩形桩梯形锁扣设备
CN105625393A (zh) * 2015-12-31 2016-06-01 宗琪 圆角平行四边形钻搅机
EP3508555A1 (de) * 2018-01-09 2019-07-10 Holcim Technology Ltd. Verfahren zur herstellung von untergrundfundamenten

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6183166B1 (en) * 1999-04-01 2001-02-06 Verne L. Schellhorn Method of centrifugally forming a subterranean soil-cement casing
DE102006028473A1 (de) * 2006-06-21 2007-12-27 Winter Von Adlersflügel, Johannes Bernhard Füllaggregat
ATE541991T1 (de) * 2007-05-10 2012-02-15 Luc Maria Hugo Corneel Smet Verbesserte bohrvorrichtung
US10161097B2 (en) * 2012-05-23 2018-12-25 Ext Co., Ltd. Hybrid foundation structure, and method for building same
CN102660953B (zh) * 2012-05-31 2014-10-29 福州市第三建筑工程公司 一种多管围连水泥维护体的成型设备及其施工方法
GB2525147B (en) * 2014-01-27 2020-09-09 Mmi Engineering Ltd Pile insertion
CN104153358A (zh) * 2014-08-26 2014-11-19 上海强劲地基工程股份有限公司 多排多轴水泥土搅拌桩钻机
CN104612140B (zh) * 2015-02-28 2016-05-18 宗超 π形水泥土桩墙机
JP6238088B2 (ja) * 2015-04-03 2017-11-29 学校法人関東学院 改良地盤及び地盤改良工法
CN104878752A (zh) * 2015-06-05 2015-09-02 朱艳菊 一种八边形水泥土成桩机的实施方法
CN104878749B (zh) * 2015-06-05 2016-11-30 华北水利水电大学 八边形水泥土成桩机
CN105019439B (zh) * 2015-06-05 2016-09-14 秦劳(上海)实业有限公司 八边形水泥土成桩机
CN105239566B (zh) * 2015-08-12 2017-01-25 河海大学 多头搅拌式现浇大直径管桩装置及其应用
CN105113488B (zh) * 2015-08-12 2017-05-03 河海大学 一种多头小直径长螺旋钻机在现浇大直径管桩中的施工方法
CN105421371A (zh) * 2015-12-31 2016-03-23 卢兴耐 组合型搅拌桩机
CN105442536A (zh) * 2015-12-31 2016-03-30 卢兴耐 矩形桩与h桩梯形锁扣设备
US11492774B2 (en) * 2019-01-04 2022-11-08 Ojjo, Inc. Systems, methods and machines for driving screw anchors

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2010361A (en) * 1977-12-14 1979-06-27 Bover K Method and Apparatus for Producing Slit Walls in the Ground
EP0161974A2 (de) * 1984-05-07 1985-11-21 Sondages Injections Forages "S.I.F." Entreprise Bachy Verfahren und Vorrichtung zum in situ-Herstellen von Pfählen aus verfestigter und verdichteter Erde

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305271A (en) * 1963-07-16 1967-02-21 Galis Mfg Company Mining machine having cutting head with rotated and orbited cutters
SU744126A1 (ru) * 1978-01-31 1980-06-30 Ордена Трудового Красного Знамени Институт Горного Дела Им. А.А. Скочинского Исполнительный орган шнекобуровой машины
US4537536A (en) * 1983-10-18 1985-08-27 The Shimizu Construction Co., Ltd. Process and apparatus of constructing a water tight underground pile wall
DE69013136D1 (de) * 1990-01-11 1994-11-10 Seiko Kogyo K K Doppelrohreinrichtung zum Bohren und Kneten und Methode zur Verbesserung von Fundamentgrund mit dieser Doppelrohreinrichtung zum Bohren und Kneten.
US5275513A (en) * 1992-06-22 1994-01-04 E. I. Du Pont De Nemours And Company Apparatus and method for in-situ treatment of a medium
US5417522A (en) * 1993-09-23 1995-05-23 S. M. W. Seiko Soil fragmentation members and multiple lateral support structures for improved soil mixing and efficient boring for use on multi-shaft auger soil mixing apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2010361A (en) * 1977-12-14 1979-06-27 Bover K Method and Apparatus for Producing Slit Walls in the Ground
EP0161974A2 (de) * 1984-05-07 1985-11-21 Sondages Injections Forages "S.I.F." Entreprise Bachy Verfahren und Vorrichtung zum in situ-Herstellen von Pfählen aus verfestigter und verdichteter Erde

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1741836A1 (de) * 2005-06-28 2007-01-10 SOILMEC S.p.A. Verfahren und Vorrichtung zur in-situ Herstellung einer Schmalwand
EP2666911A1 (de) * 2012-05-25 2013-11-27 Bauer Spezialtiefbau GmbH Verfahren zum Herstellen einer Bodenmörtelwand im Boden
CN104631449A (zh) * 2015-02-28 2015-05-20 朱艳菊 平行四边形搅拌桩钻机
CN104631449B (zh) * 2015-02-28 2016-05-25 卢兴耐 平行四边形搅拌桩钻机
CN105507248A (zh) * 2015-12-31 2016-04-20 卢兴耐 工字桩与矩形桩梯形锁扣设备
CN105625393A (zh) * 2015-12-31 2016-06-01 宗琪 圆角平行四边形钻搅机
EP3508555A1 (de) * 2018-01-09 2019-07-10 Holcim Technology Ltd. Verfahren zur herstellung von untergrundfundamenten
WO2019138319A3 (en) * 2018-01-09 2019-10-03 Holcim Technology Ltd Method for the production of underground foundations

Also Published As

Publication number Publication date
HK1004609A1 (en) 1998-11-27
ES2114723T3 (es) 1998-06-01
SG52201A1 (en) 1998-09-28
JPH0835223A (ja) 1996-02-06
MY131724A (en) 2007-08-30
DK0663475T3 (da) 1998-09-28
EP0663475B1 (de) 1998-03-04
FR2715177B1 (fr) 1996-03-01
DE69501668D1 (de) 1998-04-09
AU682731B2 (en) 1997-10-16
ATE163704T1 (de) 1998-03-15
AU1013395A (en) 1995-07-27
FR2715177A1 (fr) 1995-07-21
US5738465A (en) 1998-04-14

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