EP1734222A1 - Procedée pour fabriquer des pieux sur sol - Google Patents

Procedée pour fabriquer des pieux sur sol Download PDF

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Publication number
EP1734222A1
EP1734222A1 EP05012690A EP05012690A EP1734222A1 EP 1734222 A1 EP1734222 A1 EP 1734222A1 EP 05012690 A EP05012690 A EP 05012690A EP 05012690 A EP05012690 A EP 05012690A EP 1734222 A1 EP1734222 A1 EP 1734222A1
Authority
EP
European Patent Office
Prior art keywords
screw
shut
drive element
worm
casing
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
EP05012690A
Other languages
German (de)
English (en)
Other versions
EP1734222B1 (fr
Inventor
Ludwig Schmidmaier
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.)
Bauer Maschinen GmbH
Original Assignee
Bauer Maschinen GmbH
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 Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH
Priority to EP20050012690 priority Critical patent/EP1734222B1/fr
Priority to DE200550005543 priority patent/DE502005005543D1/de
Publication of EP1734222A1 publication Critical patent/EP1734222A1/fr
Application granted granted Critical
Publication of EP1734222B1 publication Critical patent/EP1734222B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • E21B7/201—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes with helical conveying means
    • 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
    • E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
    • E02D5/385—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with removal of the outer mould-pipes
    • 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 device for the production of bored piles, in which a casing and an internal, continuous screw are sunk substantially simultaneously and in the retraction of the device during the concreting the earth-side inlet or outlet of the screw in the surrounding tube for the to be removed soil material can be selectively opened or closed.
  • the screw arranged inside the tube is filled differently with soil.
  • the degree of filling of the screw is determined by the degree of loosening of the dissolved soil and the solubility of the upcoming soil. Depending on the storage density and grain structure of the soil to be dissolved, the screw is more or less filled.
  • the auger with the auger beginner equipped with different release tools should not run ahead of the piping. Especially in hilly soils, the soil surrounding the casing would be loosened too much by an anticipatory drilling tool. This loosening would adversely affect the static behavior of the future bored pile and possibly lead to subsidence in the neighboring area.
  • the snails usually end up in the beginner's area with one or two snails (catchy or double-flighted snails).
  • the invention has the object to prevent the falling of soil during the concreting process.
  • a shut-off device 3 is arranged at the earth-side end of the screw, which close or release the inlet and outlet opening of the screw helix in the tube interior of the casing 1 can.
  • Figure 1 shows a device according to the invention in the working position, in which the device of screw 2 and casing 1 is substantially screwed together into the ground and in which the device is brought to final depth.
  • the peculiarity in this working position is that while a shut-off device 3, which can be rotated about an axis 6, is actuated.
  • the shut-off device When drilling out, the shut-off device assumes a position which releases the entry region 8 into the lower screw helix 10. Thus, the dissolved soil can get into the tube interior and on the screw helix and be promoted upwards.
  • a concrete conveyor line 8 which has a substantially downwardly directed outlet region 7. This exit area for the concrete is preferably closed in the working position during drilling to prevent ingress of soil and an associated clogging of the concrete line 8.
  • the drive element 4 is equipped so that it can fix the shut-off device 3 in the open or closed state against forces acting on the worm, or hold in position. These forces on the shut-off device 3 can be caused by the rotation of the worm 2 and the resistance in releasing the soil.
  • Figure 2 shows the device according to the invention in a working position, in which the device is retracted after reaching the final depth and at the same time concrete is introduced into the resulting cavity.
  • shut-off device 3 Before the start of the retraction, the shut-off device 3 is actuated again. The shut-off device 3 now closes the entry or exit region 8 into the tube 1, which had allowed the bottom to enter the helical coil and into the tube interior of the tube 1.
  • Soil material in the tube interior can thus no longer fall out of the tube or from the screw down during the retraction process.
  • shut-off device 3 is designed so that it releases the exit area 7 of the concrete delivery line 8 at the latest now and thus an unhindered exit of the concrete in the resulting cavity is possible.
  • the shut-off device 3 is formed as a disc which is rotatable about an axis 6.
  • the disc has cutouts that are adapted to the geometry of the screw and the tube, that both the inlet region 8 of the soil can be released or closed in the screw, as well as that the outlet region 7 of the concrete pipe can be opened or closed.
  • shut-off device 3 Another special feature of the shut-off device 3 is that it can be opened or closed regardless of the direction of rotation of the screw.
  • the shut-off device makes it possible for the soil material to penetrate the pipe both when turning to the left and when turning the worm to the right. Likewise, it also allows material which is already located on the screw in the pipe to be conveyed out of the earth-side opening of the pipe.
  • the latter is required if a hole must be canceled by occurring difficulties in the production before concreting. If you pull the tube with the soil-filled screw just out of the ground, the borehole wall of the resulting cavity would collapse and this would lead to the loosening of the surrounding soil.
  • the auger is rotated so that the bottom of the auger is conveyed downwards and the cavity is filled with soil again during extraction of the device. The collapse of the soil is prevented.
  • This drive element 4 allows a relative movement of the shut-off device 3 relative to the worm 2 and this relative movement is preferably a rotational movement.
  • hydraulic pistons which are directly or indirectly attached between the screw and shut-off device.
  • the opening and closing takes place by the retraction and extension of the hydraulic piston. It is preferred to use hydraulic pistons which can be pressurized in both directions.
  • the supply of the hydraulic piston is preferably carried out with liquids and in particular with hydraulic oil.
  • the use of compressed air is possible.
  • the feeding of the media for the hydraulic piston takes place via lines which are guided inside or outside the core tube from the drive element 4 to the earth's surface. There, the lines are preferably connected via hydraulic rotary feedthroughs according to the prior art with hydraulic circuits and the operation is carried out by the excavator driver.
  • the hydraulic pistons can be fastened openly to the screw or can be arranged protected in special housings or substantially inside the core tube of the screw.
  • the drive elements 4 consist of motors and in particular of oil motors, which rotate the shut-off device 3 relative to the worm 2 directly or via gears or toothed racks.
  • the drive elements may also be rods which are guided over the screw length upwards and are rotated on the earth's surface via levers, pistons or rotary motors and thus enable actuation of the shut-off device 3.
  • Another peculiarity of the invention is that with the drive element 4 not only the opening and closing operations are achieved, but the drive elements 4 are designed so that forces can be generated and held, which hold the shut-off device 3 even in their position, when the screw is turned.
  • the "keeping in place” can be achieved in different ways.
  • shut-off device 3 can be driven both in the open, as closed position to stop and kept in this position by maintaining the closing or opening forces.
  • the holding forces can also be chosen higher than the required pure forces to close and open.
  • shut-off device 3 does not move independently or unintentionally or twisted.
  • a mechanical locking device is used at the respective end stop.
  • Such locks are, for example, mechanical pawls of the prior art.
  • additional prior art means such as rods, cables, hydraulic pistons, electric drives, etc.
  • Another variant is mechanical, such as rod-like signal transmitter, which extend to the surface and point to the position of the shut-off device 3 to the worm 2 via rotation or displacements.
  • the entry region or exit region 8 of the worm 2 in the tube 1 remains open or closed by these measures, depending on the working step.
  • this can at least partially have the shape of a screw or consist of individual screw components.
  • shut-off device 3 may be provided with different release tools.
  • This release tools can be used according to the prior art, as they are known in different ways from drilling tools.
  • shut-off device 3 then facilitates the Bohrfort Colour by better penetration of the upcoming soil in the screw flights.
  • shut-off device 3 In order to impede the penetration of the tubing as little as possible by the shut-off device 3, this is preferably housed inside the casing and there preferably in the region of the lower opening of the tube 1. In the closed state then seals the shut-off device 3 against the inner wall of the casing 1 from ,

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
EP20050012690 2005-06-14 2005-06-14 Procedée pour fabriquer des pieux sur sol Expired - Fee Related EP1734222B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20050012690 EP1734222B1 (fr) 2005-06-14 2005-06-14 Procedée pour fabriquer des pieux sur sol
DE200550005543 DE502005005543D1 (de) 2005-06-14 2005-06-14 Vorrichtung und Verfahren zur Herstellung von Bohrpfählen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20050012690 EP1734222B1 (fr) 2005-06-14 2005-06-14 Procedée pour fabriquer des pieux sur sol

Publications (2)

Publication Number Publication Date
EP1734222A1 true EP1734222A1 (fr) 2006-12-20
EP1734222B1 EP1734222B1 (fr) 2008-10-01

Family

ID=35276146

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050012690 Expired - Fee Related EP1734222B1 (fr) 2005-06-14 2005-06-14 Procedée pour fabriquer des pieux sur sol

Country Status (2)

Country Link
EP (1) EP1734222B1 (fr)
DE (1) DE502005005543D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105586882A (zh) * 2016-02-18 2016-05-18 韩希鹏 X桩与矩形桩圆弧锁扣设备
CN111236850A (zh) * 2020-03-19 2020-06-05 中国石油天然气集团有限公司 一种干钻钻头及其使用方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191421078A (en) * 1914-10-16 1915-04-01 Benjamin Hosking Trewhella An Improvement in Ground-augers.
GB187725A (en) * 1921-07-27 1922-10-27 Friedrich Wahrenburg Improvements in ground augers
GB306354A (en) * 1928-06-28 1929-02-21 Lang London Ltd Improvements in earth borers
US2401250A (en) * 1943-09-30 1946-05-28 Charles W Kandle Earth drill
US3823562A (en) * 1971-10-26 1974-07-16 Vyzk Ustav Inzinierskych Stavi Process of production of piles, pile packs, and subterranean pile walls
GB2154630A (en) * 1984-02-24 1985-09-11 Matsuzawa Kiko Kabushiki Kaish Construction method for foundation piling
EP0371533A1 (fr) * 1988-11-30 1990-06-06 Jacob Bouten Méthode pour réaliser des pieux de fondation en béton ainsi qu'une tarière de sol creuse, utilisée à cet effet

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191421078A (en) * 1914-10-16 1915-04-01 Benjamin Hosking Trewhella An Improvement in Ground-augers.
GB187725A (en) * 1921-07-27 1922-10-27 Friedrich Wahrenburg Improvements in ground augers
GB306354A (en) * 1928-06-28 1929-02-21 Lang London Ltd Improvements in earth borers
US2401250A (en) * 1943-09-30 1946-05-28 Charles W Kandle Earth drill
US3823562A (en) * 1971-10-26 1974-07-16 Vyzk Ustav Inzinierskych Stavi Process of production of piles, pile packs, and subterranean pile walls
GB2154630A (en) * 1984-02-24 1985-09-11 Matsuzawa Kiko Kabushiki Kaish Construction method for foundation piling
EP0371533A1 (fr) * 1988-11-30 1990-06-06 Jacob Bouten Méthode pour réaliser des pieux de fondation en béton ainsi qu'une tarière de sol creuse, utilisée à cet effet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105586882A (zh) * 2016-02-18 2016-05-18 韩希鹏 X桩与矩形桩圆弧锁扣设备
CN111236850A (zh) * 2020-03-19 2020-06-05 中国石油天然气集团有限公司 一种干钻钻头及其使用方法

Also Published As

Publication number Publication date
DE502005005543D1 (de) 2008-11-13
EP1734222B1 (fr) 2008-10-01

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