EP0747537B1 - Mèche de refoulement et procédé pour la réalisation d'un pieu à vis dans le sol - Google Patents

Mèche de refoulement et procédé pour la réalisation d'un pieu à vis dans le sol Download PDF

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Publication number
EP0747537B1
EP0747537B1 EP96201586A EP96201586A EP0747537B1 EP 0747537 B1 EP0747537 B1 EP 0747537B1 EP 96201586 A EP96201586 A EP 96201586A EP 96201586 A EP96201586 A EP 96201586A EP 0747537 B1 EP0747537 B1 EP 0747537B1
Authority
EP
European Patent Office
Prior art keywords
screw
drive
ground
came
out drill
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
EP96201586A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0747537A1 (fr
Inventor
Gerdi Willy Van Keirsbilck
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.)
Olivier NV
Original Assignee
Olivier Betonfabriek en Funderingstechnieken BVBA
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
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Application filed by Olivier Betonfabriek en Funderingstechnieken BVBA filed Critical Olivier Betonfabriek en Funderingstechnieken BVBA
Publication of EP0747537A1 publication Critical patent/EP0747537A1/fr
Application granted granted Critical
Publication of EP0747537B1 publication Critical patent/EP0747537B1/fr
Anticipated expiration legal-status Critical
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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
    • E02D5/66—Mould-pipes or other moulds
    • E02D5/665—Mould-pipes or other moulds for making piles

Definitions

  • the invention relates to a discharge wick of the type which includes a boring head and at least one applied propeller on the latter, for the realization of a screw pile in concrete in the ground.
  • screw piles should be understood to mean the occurrence of both load-bearing stakes and posts or spacers.
  • Discharge wicks of this type are used when the low vibration realization of stilts from reinforced concrete for buildings and bridges, as well as around existing constructions.
  • the bore assembly consisting of a bore pipe in steel fitted with the ground discharge wick is screwed into the floor by means of a drilling table comprising a compression mechanism that moves the bore pipe rotating steel repeatedly on a certain distance down.
  • the soil is pushed back laterally and driven out by the wick of backflow of soil, so that one obtains, around the bore pipe, an area of compressed soil.
  • This helical profile is obtained by screwing a bore assembly as described above, consisting of consequence of a bore pipe to which is applied a propeller, and by exerting a pulling force on the bore assembly during its unscrewing back, which is such that the upward movement of the duct bore is greater than the screw pitch of the propeller.
  • the wear on the propeller is also relatively high.
  • the subject of the invention is a delivery wick with which we can remove the disadvantages mentioned above, as well as others, and with which, without putting in pulling forces when unscrewing, you can shape a screw pile into the ground.
  • a discharge drill bit for making a screw pile drill bit which comprises, on the one hand, a boring head including a body and a lost point on the side lower body and, on the other hand, at least one propeller applied to the outer side of this head and having a diameter greater than the diameter of the body, this propeller being provided, on at least one side, and on part of its length, at least one cam to compress the ground.
  • US-A-5,353,883 describes a repression wick comprising also a pressure head and a propeller, but this drill bit cannot be used to make a screw pile concrete in the ground.
  • the propeller is not mounted on this head, but on an extension of the pipe, the outside diameter of the propeller not exceeding the maximum diameter of the head.
  • the propeller is provided near its edge and its end bottom of a scraper element. This element is used to loosen the soil and therefore facilitate the introduction of the wicks into the ground while reducing wear on the propeller.
  • the ends of the cam are chamfered, the cam having a thickness constant between these extremities.
  • the propeller can be fitted with two cams, one on its upper side and the other on its lower side, opposite to the first.
  • the propeller provided with a cam extends over less than a revolution.
  • the invention also relates to a method for shaping of a concrete screw pile in the ground a screw thread whose dimensions are such that can be taken into account when calculating the force bearing of the screw pile, according to which an assembly bore is brought to the desired depth, which includes a bore pipe and a hollow discharge wick comprising on the one hand, a boring head with a body whose diameter is greater than that of the duct bore and a lost point at the lower end of the body, and, on the other hand, at least one propeller having a outer diameter larger than that of the body on the external side of the discharge wick, and according to which concrete is poured into this assembly, which flows in the space that becomes free between the remaining tip in the soil and the rest of the boring head when unscrewing the assembly, the propeller forming a helix in the ground which fills with concrete to form the net pile screw, the characteristic of which is the makes use of a repression wick whose the propeller is provided, on at least one side, and on one part of its length, of at least one cam
  • the reaming mechanism according to Figure 1 is constituted by a bore assembly 1 which is mainly composed a bore pipe 2 and a discharge wick 3, and by a drive machine 4 which can be moved, which comprises a vehicle 5, for example a tracked vehicle, as well as a mast 6 mounted on the latter and a table of drilling 7.
  • a bore assembly 1 which is mainly composed a bore pipe 2 and a discharge wick 3, and by a drive machine 4 which can be moved, which comprises a vehicle 5, for example a tracked vehicle, as well as a mast 6 mounted on the latter and a table of drilling 7.
  • the drilling table 7 can slide up and down and conversely over the mast 6 by means of a cable 8 which is driven by a massive winch.
  • a hydraulic motor having a maximum torque of 40 tonnes per meter.
  • the weight of the drilling table 7 fitted with the motor, the bore 2 and the discharge wick can be compensated by the winch.
  • Mast 6 can move in all directions, if although it can also be screwed in tilt, and it's strong enough to transmit all forces to the vehicle 5.
  • an arrow can be applied to lift the concrete tanks, reinforcement and the like.
  • the bore pipe 2 has an external diameter of 320 mm and a wall thickness of 20 mm. It is composed of different elements that are linked together using watertight couplings that are sufficiently resistant to absorb the maximum boring torque.
  • the bore pipe 2 can be fitted with a funnel-shaped or tank for filling concrete.
  • the internal diameter of the bore pipe 2 is sufficient large to be able to easily place a trellis of frame.
  • the discharge wick 3 is constituted by a head of bore 9 and by at least one propeller 10 on its side external.
  • the boring head 9 comprises a body 11, a lost point 12 on the lower side of the body 11.
  • the diameter of the body 11 is greater than the diameter of the conduit bore 2 and is selected according to the diameter of the screw pile to be shaped.
  • the propeller 10 extends a distance slightly less than one revolution for prevent obstruction around the body 11.
  • the pitch of this propeller 10 is approximately 250 mm and its external diameter is approximately 200 mm greater than body diameter 11.
  • the propeller 10 has a bulge 13 over at least part of its length, which extends from preferably over a short distance and over practically the total width of the propeller 10 to close proximity to the outermost edge.
  • the bulge 13 is formed by at minus one cam 14 and more precisely by two cams 14, one on the upper side and one opposite on the side lower of the propeller 10.
  • These cams 14 have for example a shape as shown in detail in Figures 3 and 4, having chamfered ends and between these ends, constant thickness.
  • the wick of delivery 3 includes a second propeller 15 which is placed above the aforementioned propeller 10 on the outer side of the body 11.
  • this second propeller 15 represents approximately half a revolution and its pitch is somewhat lower than that of the lower propeller 10.
  • the thickness and width of the propeller 15 which does not have bulge 13 are less than or equal to the thickness and to the width of the lower propeller 10.
  • the bulge 13 in this case it is formed in the ground a thick propeller that is filled with concrete, so that we shape a concrete post with a screw thread thick around the well. After setting the concrete, we get a screw pile whose propeller can be taken into account in the calculation of the useful bearing force of the post.
  • the pitch of this screw thread is for example around 250 mm, while its external diameter is about 200 mm greater than the diameter of the pile well.
  • the cam (s) 14 which form the bulge 13 determine the shape of the stake propeller that will be formed. This shape can be optimally adapted to the circumstances.
  • cams 14 gives all the shapes desired at the stake propeller.
  • cams 14 are limited to what has been described above and to what is depicted in them figures.
  • the shape of the cams 14 can be adapted to the type of ground.
  • the combination of the lower propeller 10 fitted with cams 14 and the upper propeller 15 ensures that the soil which between these propellers 10 and 15 is compressed by the cams 14 during the screwing back. So the soil that between propellers 10 and 15 is improved and we get at the same time a thicker propeller on the screw pile.
  • the cams 14 behave like a kind of adhesive and limit wear.
  • the cams 14 can be made of a very metal resistant, if they should demonstrate despite everything wear, they can be replaced without having to replace complete propeller 10 or complete boring head 9.
  • the shape of the propellers 10 and 15, as well as their location mutual, as well as the shape and location of the cams 14, are not subject to any limitation.

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)
  • Piles And Underground Anchors (AREA)
  • Earth Drilling (AREA)
EP96201586A 1995-06-08 1996-06-06 Mèche de refoulement et procédé pour la réalisation d'un pieu à vis dans le sol Expired - Lifetime EP0747537B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9500504 1995-06-08
BE9500504A BE1009519A3 (nl) 1995-06-08 1995-06-08 Werkwijze voor het vervaardigen van grondverdringende schroefpalen.

Publications (2)

Publication Number Publication Date
EP0747537A1 EP0747537A1 (fr) 1996-12-11
EP0747537B1 true EP0747537B1 (fr) 2001-05-16

Family

ID=3889026

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96201586A Expired - Lifetime EP0747537B1 (fr) 1995-06-08 1996-06-06 Mèche de refoulement et procédé pour la réalisation d'un pieu à vis dans le sol

Country Status (4)

Country Link
EP (1) EP0747537B1 (nl)
AT (1) ATE201247T1 (nl)
BE (1) BE1009519A3 (nl)
DE (1) DE69612786T2 (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020201854A1 (en) * 2019-04-03 2020-10-08 Jaron Lyell Mcmillan No vibration stone column drill

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20050347A1 (it) * 2005-05-20 2006-11-21 Solmec S P A Attrezzatura di scavo e costipazione per la costruzione di pali
BE1016927A3 (nl) * 2006-08-17 2007-09-04 Noterman Putboringen Nv Funder Boorvoorziening en werkwijze voor het vervaardigen van grondverdringende schroefpalen.
IT1394002B1 (it) * 2009-04-21 2012-05-17 Soilmec Spa Attrezzatura di scavo e costipazione per la costruzione di pali a vite.
CN107806090A (zh) * 2017-09-25 2018-03-16 江西基业科技有限公司 振压式异形沉管桩打桩设备
CN108035348A (zh) * 2017-09-25 2018-05-15 江西基业科技有限公司 振压式异形沉管桩施工方法
CN107604912A (zh) * 2017-09-25 2018-01-19 江西基业科技有限公司 全夯式异形扩底桩打桩设备
CN108035347A (zh) * 2017-09-25 2018-05-15 江西基业科技有限公司 振压式异形扩底桩施工方法
CN107604919A (zh) * 2017-09-25 2018-01-19 江西基业科技有限公司 全夯式异形沉管桩打桩设备的外套管
CN107558474A (zh) * 2017-09-25 2018-01-09 江西基业科技有限公司 振压式异形扩底桩打桩设备的外套管
CN107604918A (zh) * 2017-09-25 2018-01-19 江西基业科技有限公司 振压式异形扩底桩打桩设备
CN107806091A (zh) * 2017-09-25 2018-03-16 江西基业科技有限公司 全夯式异形沉管桩施工方法
CN107794920A (zh) * 2017-09-25 2018-03-13 江西基业科技有限公司 全夯式异形沉管桩打桩设备
CN108035343A (zh) * 2017-09-25 2018-05-15 江西基业科技有限公司 全夯式异形扩底桩施工方法
CN107806088A (zh) * 2017-09-25 2018-03-16 江西基业科技有限公司 振压式异形沉管桩打桩设备的外套管
CN107806097A (zh) * 2017-09-25 2018-03-16 江西基业科技有限公司 全夯式异形扩底桩打桩设备的外套管
CN107806092A (zh) * 2017-09-27 2018-03-16 江西基业科技有限公司 全夯式异形多头扩底桩施工方法
CN107794918A (zh) * 2017-09-27 2018-03-13 江西基业科技有限公司 振压式异形多头扩底桩施工方法
CA3140714A1 (en) * 2019-05-22 2020-11-26 Benjamin G. Stroyer Displacement pile and pile driver adapter
BE1027995B1 (nl) 2020-01-16 2021-08-16 Olivier Ind Nv Grondverdringende boor en werkwijze voor het vormen van een gladde funderingspaal met een dergelijke grondverdringende boor
CN114233178A (zh) * 2021-12-15 2022-03-25 山东方大工程有限责任公司 一种煤矿地面工程施工用旋挖机钻头

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191127594A (en) * 1911-12-08 1912-12-09 Heinrich Gassmann Apparatus for the Construction of Foundation Piles.
GB281148A (en) * 1927-03-17 1927-12-01 Braithwaite And Company Engine Improvements in and connected with screw pile driving
US3420320A (en) * 1967-02-23 1969-01-07 Marutai Doboku Co Ltd Pile driver
NL7608927A (nl) * 1976-08-11 1978-02-14 Fundex Pvba Schroefpaal en werkwijze toe te passen bij het in de grond brengen van een dergelijke schroef- paal.
JPS58213915A (ja) * 1982-06-04 1983-12-13 Chiyoda Kenki Kk 基礎杭特に摩擦杭の地中造成工法
BE897242A (nl) * 1983-07-07 1983-11-03 Atlas Palen Nv Inrichting voor het trillingvrij aanbrengen van funderingspalen uit gewapend beton
DE4220976C1 (nl) * 1992-06-26 1993-07-15 Delmag Maschinenfabrik Reinhold Dornfeld Gmbh & Co, 7300 Esslingen, De
DE4228580C1 (de) * 1992-09-01 1993-10-28 Strabag Bau Ag Erdbohrer zum Herstellen eines Ortbeton-Verdrängungspfahles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020201854A1 (en) * 2019-04-03 2020-10-08 Jaron Lyell Mcmillan No vibration stone column drill

Also Published As

Publication number Publication date
DE69612786D1 (de) 2001-06-21
DE69612786T2 (de) 2002-04-18
BE1009519A3 (nl) 1997-04-01
EP0747537A1 (fr) 1996-12-11
ATE201247T1 (de) 2001-06-15

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