EP3252234A1 - Procédé et dispositif d'élimination d'un élément de pieu hors d'un sol - Google Patents

Procédé et dispositif d'élimination d'un élément de pieu hors d'un sol Download PDF

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Publication number
EP3252234A1
EP3252234A1 EP16172466.1A EP16172466A EP3252234A1 EP 3252234 A1 EP3252234 A1 EP 3252234A1 EP 16172466 A EP16172466 A EP 16172466A EP 3252234 A1 EP3252234 A1 EP 3252234A1
Authority
EP
European Patent Office
Prior art keywords
pile element
ground
drilling tool
pile
guide 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
EP16172466.1A
Other languages
German (de)
English (en)
Other versions
EP3252234B1 (fr
Inventor
Franz Werner Gerressen
Christian HEINECKER
Dieter Stetter
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 EP16172466.1A priority Critical patent/EP3252234B1/fr
Priority to SG10201704151PA priority patent/SG10201704151PA/en
Priority to JP2017101365A priority patent/JP6696934B2/ja
Publication of EP3252234A1 publication Critical patent/EP3252234A1/fr
Application granted granted Critical
Publication of EP3252234B1 publication Critical patent/EP3252234B1/fr
Active legal-status Critical Current
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
    • E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
    • E02D9/02—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof by withdrawing

Definitions

  • the invention relates to a method for removing a pile element from a floor according to claim 1 and an arrangement for removing a pile element from a floor according to claim 8.
  • contaminated sites in the form of, for example, introduced into the ground carriers, piles or the like, ie generally pile elements, from the ground, in front of a re-tapping the soil, remove.
  • These may be, for example, foundation elements of a previously demolished building or parts of a framework structure. These elements can be located in particular at a depth of several meters underground, whereby their position is not readily determinable from the surface.
  • such a pile element is removed by a well bore with a suitable tool, wherein a plurality of extraction holes may be necessary to determine the exact position of the pile element in the ground, or to hit the pile element with the extraction tool.
  • Another known variant for removing a pile element is that the soil material, for example, for excavating a foundation, is removed, wherein the at least one pile element is exposed.
  • this is considered to be disadvantageous, since the digging tools for removing the soil can be damaged by the contact with the pile element. Furthermore, an interruption of the foundation work is necessary to the pile element remove, which may lead to a delay of the already started construction project.
  • the invention has for its object to provide a method and an arrangement for removing a buried pile element from a soil, which make it possible to eliminate the pile element reliably.
  • the inventive method for removing a pile element from a floor is characterized in that a position and / or position of the pile element in the soil is determined by means of a detection device, depending on the determined position and / or location a first bore with a first drilling tool to a the first hole is made as a cased hole with an outer guide tube, the guide tube remains in the ground when pulling the first drill, through the guide tube, a second drill with a hollow drill shank is fed to the pile element, the pile element is at least partially bored by the second drilling tool and the pile element is received in the drill shaft and the over-drilled pile element is removed from the ground.
  • a basic idea of the present invention is to determine its position and / or position before removing a pile element in a floor and to carry out a hole for removing the pile element from the floor based on the determined position and / or position.
  • the pile element can in this case be covered in particular by soil, preferably present at a depth of several meters.
  • Another basic idea of the invention is to remove a pile element from the ground at least above the pile element, a guide tube into the soil, through which a tool is supplied to the pile element, by means of which the pile element is removed from the soil.
  • the invention solves a continuing need to liberate a subsoil before receiving, for example, founding or drilling of beams, piles or the like, which may be present in considerable depths of up to 10 m or more, in part.
  • the position of the pile element can basically describe a location or a region in which the pile element can be found in the ground, in a plan view from the top on the ground.
  • the position of the pile element may in particular describe the orientation with which the pile element is present in the ground, but also a depth in which the pile element is present.
  • the position or position of the pile element in the ground can be determined in particular relative to the sensor (s) provided.
  • the pile element can be arranged both vertically and with an inclination, that is, an angle deviating from the perpendicular line, in the ground.
  • the angle is smaller than a right angle to the straight line.
  • the angle of inclination of the pile element in the ground is up to 10 ° different from a vertical orientation, which corresponds to an inclination of 0 °.
  • the guide tube is preferably introduced together with the first drilling tool in an area above the pile element in the ground, wherein the guide tube is advantageously aligned approximately parallel to the pile element.
  • soil material is removed and conveyed away from the borehole.
  • the guide tube is aligned so that the pile element is provided in a plan view from above through the guide tube within the circumference of the guide tube.
  • the pile member may be below the lower end of the guide tube, but also protrude into the guide tube.
  • At least one sensor is preferably introduced into the ground in the region of the pile element, and the at least one sensor transmits determined position data of the pile element to the detection device.
  • At least a probing borehole is provided in the region of the pile element into which at least one sensor is introduced which communicates with the detection device and transmits to this position and / or position data of the pile element, wherein the detection device determines a position and / or position of the pile element on the basis of transmitted data determined.
  • the determination of the position of the pile element in the ground can be made possible by means of at least one arbitrary but suitable sensor in connection with the detection device.
  • the at least one sensor can be designed to carry out a ferromagnetic measurement, for example in the form of a magnetic field measurement, and to determine the position of the pile element based on a proportion of ferromagnetic material of the pile element, in particular an iron portion of the pile element. It is also conceivable to determine the position of the pile element in the ground by means of a correspondingly adapted sensor by means of a seismic method or by means of radar technology, X-ray measurement or ultrasound.
  • the sensor can be both as a transmitter and as a receiver for the corresponding measurement method for determining the position and / or position of the pile element in the ground.
  • a position of the pile element in the ground can also be determined by the detection device by means of the at least one provided sensor.
  • a plurality of measurements in particular two measurements, preferably at least three measurements, can be carried out by means of the sensor in different soil depths, wherein the position of the pile element can be determined on the basis of the majority of the measurements.
  • at least two sensors can be provided, which can be introduced into the ground in different positions in the region of the pile element.
  • the sensors can be provided to each other at the same depth and in different depths of soil for measurements and thus contribute to a particularly accurate position and / or orientation of the pile element in the ground.
  • At least three sensors are introduced into the ground and that by means of triangulation or combination of the measurement signals of the introduced sensors, in particular by the detection device, the position and / or the position of the pile element in the ground can be determined particularly accurately.
  • a tilt of the pile element can be determined in a simple manner with a single collective measurement of the provided sensors. The same is basically also conceivable with a single sensor in each probing hole, but may require at least two measurements with at least one of the sensors at different depths in order to be able to determine an inclination
  • the at least three sensors are provided to determine the position and the position of at least two pile elements in the ground.
  • the sensors may be arranged in the floor so as to represent, in a top plan view of the floor, the vertices of a geometric shape such as a triangle, quadrilateral or polygon, the pole elements preferably being located within the geometric shape, that is, the sensors be surrounded.
  • the detection device the signals of the sensors for determining the position / position of the pile elements can be evaluated.
  • the sensors may be configured to sequentially or simultaneously detect the at least two pile elements located in the floor and located at least within the area of the geometric shape.
  • the position of the At least three sensors to each other may remain unchanged for determining each one position data point, that is, the position of a pile element portion of each of the plurality of pile elements in the ground at a certain depth.
  • the sensors can be displaced vertically along the pile elements, ie the sensors can each detect a position data point of all pile elements within the area of the geometric shape at the corresponding height or depth.
  • the sensors remain aligned with each other horizontally.
  • An expedient development of the present invention consists in that the pile element in the drill shank is pulled out of the ground together with the second drilling tool through the guide tube.
  • the pile element may be at least partially received in the hollow drill shank of the second drilling tool.
  • soil material surrounding the pile element at least partially enclosed in the cavity of the drill shaft.
  • a particularly efficient development of the present invention consists in that the second drilling tool with the pile element is pulled out of the ground in a rotating manner, wherein the resulting hole in the ground is at least partially filled with soil material.
  • a rotating extraction of the drilling tool from the ground can be done in particular in a rotational direction opposite to the direction of rotation.
  • soil material which has been transported upwards during the over-drilling of the pile element can be supplied to the borehole which is formed during extraction. This can for example prevent a collapse of the resulting borehole when removing the pile element.
  • the second drilling tool with the pile element is pulled out of the ground without rotation.
  • a crane can be provided, to which the drilling tool can be attached.
  • the arrangement according to the invention for removing a pile element from a floor is characterized in that a drilling device, on which a mast is arranged, a guide tube, which is rotationally drivable on the mast and can be driven into the ground to form an outlet opening for the pile element, a first drilling tool adapted to remove soil material above the pile element at least in the guide tube; a second drilling tool having a hollow drill shaft adapted to at least partially receive the pile element, the second drilling tool being approximately coaxial with the pile element by the guide tube can be fed, and at least one detection device is provided, which is designed to determine a position and / or position of the pile element in the ground.
  • first drilling tool and / or the second drilling tool have a drilling helix, wherein at least the second drilling tool is designed to loosen soil material around the pile element before pulling out the pile element.
  • the first drilling tool and the second drilling tool may be formed in any shape, which allow drilling in a guide tube or the removal of a pile element from the ground by a guide tube.
  • it may be appropriate to solve the soil around the pile element before removal by means of at least the second drilling tool.
  • a Bohrwendel be particularly suitable. For example, a stiction between the pile element and the surrounding soil can be reduced.
  • an extraction device is provided, which is designed to pull the pile element together with the second drilling tool from the ground.
  • this can be removed with very little effort from the ground.
  • the extraction device is formed, the second drilling tool with the pile element rotation-free to pull out of the ground.
  • the drilling tool can for example be attached to a crane or another lifting device and pulled out by means of this.
  • the extraction device is designed to pull the second drilling tool out of the ground with the pile element rotating, in particular in a direction of rotation opposite to that of the drilling direction.
  • a rotary drive can be provided as extraction device, which is preferably designed to drive out the first and / or the second drilling tool into the ground and the second drilling tool together with the pile element rotates out of the ground.
  • the detection device has at least one sensor which is designed to detect position data of the pile element and to transmit this to the detection device.
  • the sensor can be designed to detect the pile element on the basis of a sensor-specific material component and to send the acquired data to the detection device, which recognizes the position and / or the position of the pile element based on the data.
  • the sensor measurement may be a ferromagnetic measurement which detects a ferromagnetic material component, in particular an iron component of the pile element.
  • a magnetic field measurement can be carried out.
  • the sensor may be formed as a radar or as a sensor for receiving and / or transmitting seismic waves, X-rays or ultrasound, which may be conducive to determining a position as well as a position of the pile element in the ground.
  • Fig. 1 is a preferred embodiment of the method according to the invention with reference to a sequence of possible individual steps (steps 1 to 9) shown.
  • the pile element 10 Before removing a pile element 10 from a floor, first its position and / or position in the ground is determined.
  • the pile element 10 may be covered by soil and be present with its upper end, in particular at a depth up to 10 m or more.
  • at least one sensor 22 can be introduced into the ground.
  • at least three sensors 22 are introduced into the ground (step 1), wherein the pile element to be removed can be surrounded by the at least three sensors 22, in a plan view from above.
  • the points of the triangle may here represent the positions of the sensors 22 in the ground, wherein the area within the triangle preferably represents the area within which the pile element 10 is arranged in the ground.
  • the at least one sensor 22 can be introduced into the ground by means of a corresponding device, for example a drilling device 23. This can be dimensioned smaller, so the device 30 for introducing the first and second drilling tool 21, 31.
  • a drilling device 23 By means of the drilling device 23 can be provided for the at least one sensor 22 at least one borehole around the pile element around, which in particular a small diameter of a few centimeters can have. In this at least one small hole, the at least one sensor 22 can be introduced.
  • the at least one sensor 22 directly in a drilling element for a probing bore, which remains at least for the measurement in the ground together with the at least one sensor 22.
  • the at least one sensor 22 can be pressed into the ground, wherein position data of the at least one pile element can already be detected by the at least one sensor 22 when it is pressed into the ground.
  • a detection device 24 may be provided which is in communication with the at least one sensor 22.
  • the detected signals / data of the at least one sensor 22 can be connected to the Detection device 24 are transmitted, which detects or determines the position and / or the position of the pile element based on the detected signals / data.
  • a first interconnected bore at the position and in the corresponding inclination of the pile element 10 can be performed.
  • the boarded bore may be made at least to a depth to the top of the pile element 10 (step 2).
  • at least one guide tube 20 can be introduced into the soil, wherein soil material, which is located within the introduced guide tube 20 can be removed by means of a first drilling tool 21 from the drill pipe.
  • the guide tube 20 is simultaneously introduced into the ground together with the first drilling tool 21 (step 2).
  • the guide tube 20 can be guided up to a region at the upper end, that is, the head end of the pile element 10, or also partially encase the pile element 10.
  • the first drilling tool 21 can be pulled out of the guide tube 20, for example by means of the drilling device 30 (step 3).
  • the alignment of the guide tube 20 can be provided in particular by means of the position and / or position data of the pile element 10 detected by the sensors 22 such that the pile element is aligned coaxially with respect to a longitudinal axis of the guide tube 20.
  • the pile element 10 is arranged in a plan view within the circumference of the guide tube 20.
  • a second drilling tool 31 can be inserted, which can at least partially over-drill the pile element 10.
  • the second drilling tool 31 may comprise a hollow drill shank which can receive at least the pile element 10 as well as some earth around the pile element. If the pile element 10 is sufficiently over-drilled to provide sufficient stiction between the hollow drill shank of the second drilling tool and the received pile element 10, the second drilling tool 31 can be pulled out of the ground together with the pile element 10, for example by means of a crane 40 (step 5).
  • the second drilling element 31 also by means of a drilling device, such as may be used for driving the first drilling tool 21 with the guide tube 20 and for the second drilling tool 31, are transported from the ground.
  • the second drilling tool 31 can in this case be driven in a direction of rotation opposite to the direction of rotation and thereby pulled out of the ground. So soil material, which was transported during the over-drilling of the pile element 10 upwards, are conveyed back into the borehole 11 which now arises when the pile element 10 is pulled.
  • the borehole 11 particularly describes the area previously filled by the pile element 10 in the ground (step 5).
  • the borehole 11 can now be filled further, for example with soil or other filling material (step 6).
  • the guide tube 20 can then be pulled out of the ground.
  • a tool for pulling the guide tube 20, for example, the first drilling tool 21 are introduced into the guide tube 20 and the guide tube 20 are pulled out of the ground together with the tool.

Landscapes

  • Engineering & Computer Science (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)
  • Structural Engineering (AREA)
  • Piles And Underground Anchors (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
EP16172466.1A 2016-06-01 2016-06-01 Procédé et dispositif d'élimination d'un élément de pieu hors d'un sol Active EP3252234B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP16172466.1A EP3252234B1 (fr) 2016-06-01 2016-06-01 Procédé et dispositif d'élimination d'un élément de pieu hors d'un sol
SG10201704151PA SG10201704151PA (en) 2016-06-01 2017-05-22 Method and device for extracting a pile element from a ground
JP2017101365A JP6696934B2 (ja) 2016-06-01 2017-05-23 地面から杭要素を引き抜くための方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16172466.1A EP3252234B1 (fr) 2016-06-01 2016-06-01 Procédé et dispositif d'élimination d'un élément de pieu hors d'un sol

Publications (2)

Publication Number Publication Date
EP3252234A1 true EP3252234A1 (fr) 2017-12-06
EP3252234B1 EP3252234B1 (fr) 2018-11-07

Family

ID=56101313

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16172466.1A Active EP3252234B1 (fr) 2016-06-01 2016-06-01 Procédé et dispositif d'élimination d'un élément de pieu hors d'un sol

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EP (1) EP3252234B1 (fr)
JP (1) JP6696934B2 (fr)
SG (1) SG10201704151PA (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112832241B (zh) * 2021-01-05 2022-04-15 北京建工土木工程有限公司 一种土木工程用小直径快速拔桩装置及其使用方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0206384A1 (fr) * 1985-06-03 1986-12-30 Ihc Holland N.V. Méthode et dispositif pour retirer un tuyau ou un pieu battu dans le sol
US20090269144A1 (en) * 2005-09-13 2009-10-29 Offshore Technology Development Pte Ltd Extraction System For Removable Marine Footing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5212483B1 (fr) * 1976-04-01 1977-04-07
EP0319204B1 (fr) * 1987-12-01 1992-09-16 Seisan Gijutsu Center Co., Ltd. Méthode et dispositif pour enlever de vieux pieux
JP2005291802A (ja) * 2004-03-31 2005-10-20 Railway Technical Res Inst 磁気探査方法
JP2006300574A (ja) * 2005-04-18 2006-11-02 Avolon Systmes Corp 地中探査装置
JP5138983B2 (ja) * 2007-06-08 2013-02-06 三和機工株式会社 既設杭の除去装置及び除去方法
JP5827528B2 (ja) * 2011-09-14 2015-12-02 株式会社ワイビーエム 地中杭の引き抜き工法とその装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0206384A1 (fr) * 1985-06-03 1986-12-30 Ihc Holland N.V. Méthode et dispositif pour retirer un tuyau ou un pieu battu dans le sol
US20090269144A1 (en) * 2005-09-13 2009-10-29 Offshore Technology Development Pte Ltd Extraction System For Removable Marine Footing

Also Published As

Publication number Publication date
JP6696934B2 (ja) 2020-05-20
SG10201704151PA (en) 2018-01-30
EP3252234B1 (fr) 2018-11-07
JP2018021444A (ja) 2018-02-08

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