EP1132525B1 - Aushubgerät für die Herstellung von Ortbetonpfählen - Google Patents

Aushubgerät für die Herstellung von Ortbetonpfählen Download PDF

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Publication number
EP1132525B1
EP1132525B1 EP01400576A EP01400576A EP1132525B1 EP 1132525 B1 EP1132525 B1 EP 1132525B1 EP 01400576 A EP01400576 A EP 01400576A EP 01400576 A EP01400576 A EP 01400576A EP 1132525 B1 EP1132525 B1 EP 1132525B1
Authority
EP
European Patent Office
Prior art keywords
auger
core
diameter
fact
drilling
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
EP01400576A
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English (en)
French (fr)
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EP1132525A1 (de
Inventor
Bertrand Compagnie du Sol Steff de Verninac
Philippe Compagnie du Sol Chagnot
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
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Compagnie du Sol SARL
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Filing date
Publication date
Application filed by Compagnie du Sol SARL filed Critical Compagnie du Sol SARL
Publication of EP1132525A1 publication Critical patent/EP1132525A1/de
Application granted granted Critical
Publication of EP1132525B1 publication Critical patent/EP1132525B1/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
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds

Definitions

  • the present invention relates to an excavating apparatus of the ground for producing molded piles.
  • the present invention relates to a apparatus that allows digging into the ground of a well for subsequently make a pile molded by filling with concrete and possibly a reinforcement of the well thus produced.
  • the invention relates to devices of this type whose excavation tool is constituted by an auger.
  • Excavating the soil with an auger to make a well cylindrical can implement two techniques of soil excavation respectively called drilling and pushing.
  • the first technique consists, using an auger with one or more blades, to dig the soil and cause the excavated soil to rise as measuring this excavation so as to obtain a cylindrical well which will later be filled with concrete or similar materials.
  • the Discharge technique involves repelling the soil with the aid of the auger excavated at the periphery and the well tip thus produced.
  • rate of refoulement means in relation to the total section of the well excavated the fraction of that section that results from the phenomenon of repression due to the tool used.
  • EP 131,562 and EP 853,162 describe in particular devices and methods for carrying out molded piles. However, these devices do not solve the problem stated above.
  • An object of the present invention is to provide a device soil excavation for the production of molded piles which allows to use, where necessary, drilling or backflow in particular for carrying out the excavation of diameters between 0.3 and 1.2 meters and preferably between 0.4 and 0.8 meters.
  • the relationship is 0.5 d 2 ⁇ d 1 ⁇ 0.75 d 2 .
  • a first auger 12 or inner auger which has a core 14 of diameter d 1 and whose lower end 14a is equipped with a tip 16 promoting the penetration of the auger into the ground and can play the role of discharge plug.
  • This tip 16 which may have different configurations, has a maximum outside diameter at most equal to the diameter of the core 14.
  • the core 14 is equipped with a blade 18 in the form of a helix which extends substantially over the entire length of the core 14 from its lower end 14a to near its upper end 14b.
  • the outer diameter of the helical blade 18 of the auger 12 will be called d 2 .
  • the upper end 14b of the core 14 cooperates with a first drill head 18 whose function is the rotation of the auger 14 by printing to it a speed of rotation and a torque defined by a control circuit 20.
  • the other function of the drill head 18 is to apply to the auger 12 a force vertical penetration into the ground, controlled by the control circuit 22.
  • the drilling head 18 is provided with a sensor 24 which makes it possible to determine the depth or speed of penetration of the end of the auger in the soil in the excavation of the lower end 14a of the inner auger 12.
  • the apparatus also includes an external auger 26 which has a hollow core 28 and whose lower end 28a is opened.
  • the upper end 28b of the core 28 cooperates with a second drilling head 30 independent of the first drilling head 18.
  • the core 28 of the outer auger 26 is equipped on its outer face at least one helical blade 32 which extends from its end lower 28a to near its upper end 28b.
  • the head of drilling 30 is associated with a control circuit of the speed of rotation and torque and referenced 34, to an application device of a force 36, and to a measuring sensor 40 of the depth of the end lower auger 26, in the excavation.
  • the diameter d 1 of the core of the inner auger 12 and the diameter d 2 of the turn of the same auger are chosen in such a way that the ratio of the cross sectional area of the core to the surface a circle of diameter d 2 corresponding to the blade is between 25% and 80% and preferably between 30% and 50%.
  • the ratio between the diameter d 3 of the core 28 of the external auger and the diameter d 4 of the helical blade 32 of the external auger 28 is chosen in such a way that the ratio between the surfaces of the circles of diameter d 3 and d 4 are between 25% and 60% and preferably between 30% and 50%.
  • FIG. 2 shows an improved mode of embodiment in which the internal auger 12 is equipped with a dip tube 50 permitting, after completion of the excavation by drilling and / or discharge, convey the concrete or similar material necessary for realization of the molded pile inside the excavation carried out.
  • a station or console 52 which allows to manage the control circuits 20 and 34 of the drill heads 18 and 30 according to instructions I entered in this station and according to information delivered by depth sensors 24 and 40.
  • the instructions I entered in the control station 52 can advantageously resulting from test drilling carried out beforehand in the area where molded piles are to be made.

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)
  • Earth Drilling (AREA)
  • Piles And Underground Anchors (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Claims (7)

  1. Aushubvorrichtung für die Herstellung von geformten Pfählen, dadurch gekennzeichnet, daß sie umfaßt:
    einen ersten Erdlochbohrer (12), der eine erste Seele (14) mit einem Durchmesser d1, die in einer Spitze (16) endet, deren Außendurchmesser nicht über jenem der Seele (14) liegt, und mindestens eine Schaufel (18) in Propellerform umfaßt, welche sich im wesentlichen über die gesamte Länge der Seele (14) erstreckt, wobei der Außendurchmesser der Schaufel (18) gleich d2 ist;
    einen zweiten Erdlochbohrer (26), der eine zweite, hohle Seele (28) mit einem Innendurchmesser d3 > d2, in welcher der erste Erdlochbohrer (12) frei in Translation befestigt ist, und mindestens eine Schaufel (32) in Propellerform umfaßt, die sich im wesentlichen auf der gesamten Länge der zweiten Seele (28) erstreckt und einen Außendurchmesser d4 aufweist;
    einen ersten Bohrkopf (18), um den ersten Erdlochbohrer (12) zu drehen und eine vertikale Kraft auf den Erdlochbohrer (26) auszuüben;
    erste Mittel (20), um die Drehgeschwindigkeit, das Drehmoment und die vertikale Kraft zu steuern, die auf den ersten Erdlochbohrer (12) angewendet werden;
    erste Mittel (24), um die effektive Eindringgeschwindigkeit des ersten Erdlochbohrers (12) zu messen;
    einen zweiten Bohrkopf (30), der von dem ersten Kopf (18) unabhängig ist, und dem Drehen des zweiten Erdlochbohrers (26) und dem Anwenden einer vertikalen Kraft auf den Erdlochbohrer (26) dient;
    zweite Mittel (34) zum Steuern der Drehgeschwindigkeit, des Drehmoments und der vertikalen Kraft, die auf den zweiten Erdlochbohrer angewendet werden; und
    zweite Mittel (40) zum Messen der effektiven Eindringgeschwindigkeit des zweiten Erdlochbohrers,
    so daß das Verhältnis Bohrung/Verdrängung variiert werden kann.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Durchmesser d1 der Seele (14) des ersten Erdlochbohrers (12) so ist, daß 0,5 d2 < d1 < 0,75 d2.
  3. Vorrichtung nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, daß der Durchmesser d3 der Seele des zweiten Erdlochbohrers (26) so ist, daß 0,5 d4 < d3 < 0,75 d4.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß sie ferner eine Steueranordnung (52) umfaßt, um die Steuermittel der beiden Bohrköpfe getrennt zu steuern, damit jeder der beiden Erdlochbohrer getrennt im Verdrängungs- oder im Bohrungsmodus funktioniert oder angehalten wird.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Steueranordnung (52) Mittel zum gleichzeitigen Steuern der gleichzeitigen Drehung der beiden Erdlochbohrer (12, 26) umfaßt, so daß eine Bodenverdrängungsrate erreicht wird, welche dem Durchmesser der hohlen Seele des zweiten Erdlochbohrers entspricht.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Steueranordnung (52) Mittel zum Steuern der gleichzeitigen Drehung der beiden Erdlochbohrer (12, 26) umfaßt, um sie im Bohrungsmodus zu betreiben.
  7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der erste Erdlochbohrer (12) mit einem Tauchrohr (50) ausgestattet ist, um während des Aushebens das Einführen von Material zu ermöglichen, das der Herstellung des Pfahls dient.
EP01400576A 2000-03-10 2001-03-06 Aushubgerät für die Herstellung von Ortbetonpfählen Expired - Lifetime EP1132525B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0003103 2000-03-10
FR0003103A FR2806110B1 (fr) 2000-03-10 2000-03-10 Appareil d'excavation pour la realisation de pieux moules

Publications (2)

Publication Number Publication Date
EP1132525A1 EP1132525A1 (de) 2001-09-12
EP1132525B1 true EP1132525B1 (de) 2005-12-14

Family

ID=8847961

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01400576A Expired - Lifetime EP1132525B1 (de) 2000-03-10 2001-03-06 Aushubgerät für die Herstellung von Ortbetonpfählen

Country Status (6)

Country Link
EP (1) EP1132525B1 (de)
JP (1) JP2001288974A (de)
AT (1) ATE312977T1 (de)
DE (1) DE60115741T2 (de)
FR (1) FR2806110B1 (de)
HK (1) HK1040538A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2831205B1 (fr) * 2001-10-24 2004-05-14 Cie Du Sol Procede et systeme de forage de puits pour la realisation de pieux moules
BE1018097A3 (nl) * 2008-04-16 2010-05-04 Noterman Putboringen Boorvoorziening en werkwijze voor het vervaardigen van een funderingspaal en verbeterde funderingspaal met schroefvorm.
WO2011056162A2 (en) * 2009-08-19 2011-05-12 Leonardo Mohamed A multifunctional screw drill and reaming device
WO2011048404A1 (en) * 2009-10-23 2011-04-28 Hesco Bastion Limited Auger and method
GB2477792B (en) * 2010-02-15 2012-02-15 Hesco Bastion Ltd Auger and method
GB2525630A (en) * 2014-04-30 2015-11-04 Roger Bullivant Ltd Improvements in or relating to methods and apparatus for use in forming piles
CN106285461B (zh) * 2016-11-01 2018-03-30 周兆弟 打桩机的钻杆转动驱动装置
CN106978974B (zh) * 2017-05-12 2024-04-09 李广信 Cfg变径倒锥台阶型桩以及制备方法和钻具
RO134509A1 (ro) 2019-04-08 2020-10-30 Tudor Saidel Procedeu şi dispozitiv de execuţie pe loc a unui pilot, cu diametre diferite, descrescătoare în adâncime
CN111911075B (zh) * 2020-09-15 2024-11-05 济宁市鲁星重工机械有限公司 一种多功能吊装旋挖钻一体机
CN116291181B (zh) * 2023-05-19 2023-08-08 山东能源重装集团大族再制造有限公司 一种适用于天然煤炭矿表层碎石土壤层的钻探设备
US12282009B1 (en) * 2024-04-30 2025-04-22 Open Acre System for measuring a ground material health level

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1391109A (en) * 1972-09-11 1975-04-16 Turzillo L A Method for producing pile or like structural columns in situ
DE3461663D1 (en) 1983-07-07 1987-01-22 Atlas Palen Nv Method for casting piles by means of a drive-out screw
KR940004906B1 (ko) * 1987-10-05 1994-06-04 가와사끼세이떼쓰 가부시끼가이샤 강관말뚝, 그의 제조방법 및 말뚝박는 방법
ES2143356B1 (es) 1997-01-10 2000-12-16 Codina Juan Vicente Herrero Dispositivo y procedimiento para la realizacion de pilotajes de cimentacion en maquinas perforadoras.

Also Published As

Publication number Publication date
DE60115741T2 (de) 2006-09-07
HK1040538A1 (zh) 2002-06-14
DE60115741D1 (de) 2006-01-19
JP2001288974A (ja) 2001-10-19
FR2806110B1 (fr) 2002-12-27
FR2806110A1 (fr) 2001-09-14
ATE312977T1 (de) 2005-12-15
EP1132525A1 (de) 2001-09-12

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