EP3530813A1 - Procédé de mesure de profondeur du tubage dans une fondation sur pilotis ainsi qu'appareil rapporté pour la fondation sur pilotis - Google Patents

Procédé de mesure de profondeur du tubage dans une fondation sur pilotis ainsi qu'appareil rapporté pour la fondation sur pilotis Download PDF

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Publication number
EP3530813A1
EP3530813A1 EP19158770.8A EP19158770A EP3530813A1 EP 3530813 A1 EP3530813 A1 EP 3530813A1 EP 19158770 A EP19158770 A EP 19158770A EP 3530813 A1 EP3530813 A1 EP 3530813A1
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EP
European Patent Office
Prior art keywords
casing
depth
attachment
pile
pipe
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
EP19158770.8A
Other languages
German (de)
English (en)
Other versions
EP3530813B1 (fr
Inventor
Patrick Jussel
Nicola Schlatter
Maximilian Mendler
Sebastian Wedl
Armin Englstler
Bernhard Schneider
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.)
Liebherr Werk Nenzing GmbH
Original Assignee
Liebherr Werk Nenzing GmbH
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Publication date
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Publication of EP3530813A1 publication Critical patent/EP3530813A1/fr
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Publication of EP3530813B1 publication Critical patent/EP3530813B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • E02D13/06—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers for observation while placing
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/28—Placing of hollow pipes or mould pipes by means arranged inside the piles or pipes
    • 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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/025—Surface drives for rotary drilling with a to-and-fro rotation of the tool
    • 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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/03—Surface drives for rotary drilling with an intermittent unidirectional rotation of the tool

Definitions

  • the invention relates to a method for depth measurement of the piping in the pile foundation with an attachment comprising a table for clamping a pipe.
  • the casing depth achieved i. From time to time the penetration depth of the clamped pipe should be checked.
  • this task is essentially solved by the operator of the casing machine and the driver of the cable excavator.
  • the length of the inserted pipes is noted and, in conjunction with the estimated height of the pipe's top edge, the depth of the casing is calculated.
  • the depth of the piping introduced results from subtracting the height of the pipe's top edge from the length of the piping. If a more accurate value is needed, the casing machine must be stopped and the height of the pipe's top edge manually measured by the operator.
  • a disadvantage of the known method is that the depth can not be continuously measured and monitored, but instead only a rough estimate during the operation is possible.
  • the casing machine For accurate measurement, for example, the casing machine must instead be stopped to allow a person access to the hazardous area on the pipe for manual measurement.
  • a method for depth measurement of the casing in the pile foundation is proposed for a particular attachment, which has at least one table for clamping a pipe.
  • the tube is firmly clamped to the table, advantageously jammed.
  • the attachment itself is mounted on a suitable carrier machine, such as a crawler or drill.
  • the table is used to fix and align the tube as well as to create a rotating movement of the tube to screw it into the ground. As the depth of penetration of the pipe into the soil progresses, the table of the attachment also sinks continuously.
  • the method according to the invention makes use of this design-related vertical movement of the table for the detection of the current casing depth.
  • the vertical movement of the machine table is detected by sensors.
  • the vertical movement of the table can be measured directly by means of suitable sensors which, for example, are fastened directly to the table or to table-moving components of the attachment.
  • suitable sensors which, for example, are fastened directly to the table or to table-moving components of the attachment.
  • the attachment comprises at least one handlebar, which is hingedly connected on the one hand to the machine table and on the other hand articulated to a stationary element of the attachment.
  • Fixed means in this context fixed relative to the table movement during the insertion of the tube. A vertical movement of the table thus also leads to a movement of the handlebar.
  • Suitable sensors can be arranged on or in the region of the handlebar.
  • the handlebar During a vertical movement of the table, the handlebar by design change its inclination angle relative to the horizontal. It is possible to tap this angle change sensory to make it possible to make a statement about the vertical movement of the table.
  • the movement of the handlebar can be detected by means of an installed on the handlebar inclination sensor or angle encoder.
  • the attachment comprises at least one steering actuator, in particular steering cylinder, for actuating the handlebar. Under certain circumstances, the actuator state for determining the position of the handlebar or derivative of the table movement can be helpful.
  • the current vertical position of the table can be derived taking into account the geometric structure of the attachment.
  • the resulting vertical movement then preferably results from the temporal change of the vertical table position during the piping for pile foundation.
  • the table sinks continuously near the bottom. It is therefore necessary from time to time to release the clamping and to move the table back up along the tube in order to clamp the tube to the table with a higher tube area.
  • the state of the clamping of the tube is checked according to an advantageous embodiment, preferably continuously checked, and for the calculation of the casing depth only such vertical movements of the machine table are taken into account, while this a firm clamping of the tube has been detected in the machine table.
  • the casing can be clamped in practice by means of a clamping mechanism on the table.
  • a clamping mechanism on the table.
  • one or more clamping actuators or clamping cylinders are provided in the machine table, the actuation of which is effected hydraulically or pneumatically.
  • the pressure within the clamping actuators can then be observed, for example by means of one or more pressure sensors installed in the actuators.
  • the current table inclination must additionally be taken into account. This can be detected, for example, via one or more sensors installed at the table ideally directly by using suitable inclination sensors, preferably biaxial inclination sensors.
  • the current casing depth or any detected sensor data of the attachment via a communication interface of the attachment to at least one external device can be transmitted. It is of particular importance to communicate this data to the carrier machine, i. the crawler crane, to convey. It is also possible to transmit to an external server, from which the data can be retrieved via a mobile device, for example, so that not only the operators of the carrier machine or of the attachment but also a site supervisor or another person have access to the process data.
  • a continuous measurement of the casing depth is particularly advantageous when it is displayed to the operator on a display element of the attachment and / or an external machine for display.
  • the operator of the attachment or the carrier machine can retrieve at any time valuable information on the currently achieved casing depth, which is especially in a parallel excavation of the well through the carrier machine, eg. By means of a gripper, of particular importance.
  • a gripper By means of a gripper, of particular importance.
  • the remaining remaining length of the clamped tube ie the tube length, which is still outside the soil.
  • the current casing depth can be compared with the excavation progress of the cable excavator and suspend the pile foundation by the attachment, if the projection of the casing depth is above a tolerance value.
  • the digging progress can, for example, be retrieved via an interface from the carrier machine.
  • the current excavation depth can be determined by a rope length measurement and made available to the attachment.
  • the present invention also relates to an attachment for a carrier machine, in particular a cable excavator or a drill, for pile foundation with a table for clamping a tube and at least one integrated computer unit for carrying out the method according to the present invention.
  • a carrier machine in particular a cable excavator or a drill
  • the attachment is characterized by the same advantages and properties as described above with reference to the method according to the invention. A repetitive description is omitted for this reason.
  • the bottom plate 201 is raised, whereby the weight of the casing 100, the table 301 and the bottom plate 201 acts downward.
  • the table 301 is set in motion in a further step, for example in horizontal oscillations (so-called casing machines) or in a continuous rotation (so-called tube lathes).
  • the casing 100 sinks into the ground while the crawler 1 dredges the soil within the casing 100.
  • the casing machine is in the FIGS. 2a, 2b shown, the piping machine with casing (100) in a side and top view.
  • the table 301 can be clamped to the tube 100, for example, by means of clamps.
  • the bottom plate 201 can be lifted by lifting cylinders between the connection points 211/311 and 212/312.
  • the table 301 can rotate relative to the base plate 201.
  • a rigid handlebar is articulated on the one hand at point 321 on the table 301 and on the other hand at point 421 mounted on the element 401.
  • the inclination of the casing 100 can be adjusted about the y-axis, by different lifting height of the two lifting cylinder can the inclination the tubing 100 can be adjusted around the x-axis.
  • the pivot points 413, 414 and 421 can be horizontally displaced by means of a guide 401 in relation to the structure 202 which is fixedly connected to the table 201.
  • depth is one of the most important features. Two depths are to be distinguished here: the depth of the casing 100 indicates how far below ground the tip of the casing 100 is, and the depth of the hole indicates how deep the excavator 1 with its tool 3 (for example gripper in a crawler) the material removed from the casing 100.
  • a bored pile of a certain depth and diameter is commissioned to meet the requirements of statics.
  • the piping 100 rushes the gripper 3 only to a small extent in order to keep the skin friction of the casing 100 low and thus to keep the stress on the equipment and the energy required for creating the bored pile low as a result.
  • the driver of the excavator 1 and the drill the current depth of the hole or the excavation via rope length measurements or the like is known.
  • the depth of the casing 100 has yet to be estimated.
  • the central element of an automated measurement of the casing depth according to the method according to the invention is the sensor 502, which measures the vertical movements of the table 301.
  • the sensor 502 may be a tilt sensor or an angle sensor.
  • the vertical position of the table 301 can then be derived from the geometry of the casing machine and determine the vertical movement of the table 301 over the time changes of the vertical table position.
  • a sensor is also useful, which determines whether the table 301 is jammed with the tube 100 or whether the table 301 can move freely along the tube 100. This can be done for example by a pressure sensor in a clamping cylinder.
  • slope sensor 501 With the help of another at the table 301 attached slope sensor 501, the drilling progress can be converted into a "vertical depth" subsequently, if currently a skewed post is created with a slope of the casing 100 relative to the vertical.
  • a crawler 1 drives with attached VRM to a point where a pile is formed by means of casing 100.
  • the crawler 1 raises the first portion 100 of the casing into the VRM and roughly aligns the vertical position of the casing 100 by means of rope.
  • the table 301 is clamped in relation to the pipe section 100.
  • the tube 100 is placed in the x and y directions and the inclination of the tubing 100 is adjusted.
  • the bottom plate 201 of the VRM is now discontinued and the depth measurement is set to zero.
  • the two lifting cylinders lift the bottom plate 201, the two oscillating cylinder move the table 301 in rotational movements, the weight of the tubing 100 plus the additional weight of the table 301 and the bottom plate 201 push the tube 100 into the ground.
  • the drilling table 301 lowers and the change of the drill table height is recorded.
  • the jamming of the rotary table 301 with the casing 100 is released.
  • the record of the change in the vertical drill table position is now paused.
  • the drilling table 301 is raised and then the drilling table 301 is again clamped to the casing 100.
  • the recording of the change of the vertical drilling table position (casing depth) is continued.
  • the current casing depth is transmitted to the operator information system for display.
  • a pipe section 100 with 5 m length is located in the VRM.
  • the length of the pipe section 100 was detected by the crawler 1 and was manually inputted into the control system by the driver and forwarded to the control system of the VRM.
  • the current depth of the lower edge of the pipe is 3 m, so that the height above the bottom of the pipe's top edge is 2 m.
  • the VRM recognizes that the maximum table height for the next stroke can only be 1.5 m.
  • the VRM recognizes that the continuation of the piping operation is no longer possible, otherwise the table 301 would travel over the pipe top edge, and stops the process. As a result, another pipe section 100 with 4 m length is attached to the first pipe section 100 and the length of the pipe section 100 is communicated to the control system of the VRM. The VRM is activated and continues the piping process. Upon lifting the table 201 and then clamping the casing 100, the VRM selects a table height above the junction of the two pipe sections 100.
  • the pile After completion of the hole, the pile is concreted.
  • the casing 100 is pulled out of the hole.
  • the lengths of the pipe sections are stored in the control system of the VRM. When pulling the VRM ensures that the piping is not clamped at the connection points of the pipe sections 100 by the clamping mechanism on the table 301 or the fall protection.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Civil Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
EP19158770.8A 2018-02-26 2019-02-22 Procédé de mesure de profondeur du tubage dans une fondation sur pilotis ainsi qu'appareil rapporté pour la fondation sur pilotis Active EP3530813B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018104308.2A DE102018104308A1 (de) 2018-02-26 2018-02-26 Verfahren zur Tiefenmessung der Verrohrung bei der Pfahlgründung sowie Anbaugerät für die Pfahlgründung

Publications (2)

Publication Number Publication Date
EP3530813A1 true EP3530813A1 (fr) 2019-08-28
EP3530813B1 EP3530813B1 (fr) 2021-08-11

Family

ID=65598431

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EP19158770.8A Active EP3530813B1 (fr) 2018-02-26 2019-02-22 Procédé de mesure de profondeur du tubage dans une fondation sur pilotis ainsi qu'appareil rapporté pour la fondation sur pilotis

Country Status (2)

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EP (1) EP3530813B1 (fr)
DE (1) DE102018104308A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111395323A (zh) * 2020-04-13 2020-07-10 中北大学 一种基于压力传感器的防超灌控制装置及其使用方法
EP3530813B1 (fr) * 2018-02-26 2021-08-11 Liebherr-Werk Nenzing GmbH Procédé de mesure de profondeur du tubage dans une fondation sur pilotis ainsi qu'appareil rapporté pour la fondation sur pilotis
NL2027272B1 (nl) * 2021-01-05 2022-07-22 R Kloosterman Holding B V Werkwijze voor het fixeren van een grondanker.

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH434133A (de) * 1965-04-23 1967-04-15 Bade & Co Gmbh Vorrichtung zum Niederbringen einer Verrohrung in Bohrlöchern
AT363044B (de) * 1977-08-02 1981-07-10 Leffer Stahl & App Vorrichtung zum niederbringen einer verrohrten tiefbohrung zur herstellung einer verrohrten pfahlgruendung
JPS5915124A (ja) * 1982-07-16 1984-01-26 Takechi Koumushiyo:Kk 鋼管体の圧入装置
DE8535088U1 (de) * 1985-12-13 1988-08-18 Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen Erdbohrgerät
JP2002021076A (ja) * 2000-07-05 2002-01-23 Nippon Steel Corp 回転圧入杭の施工管理システムおよび施工管理方法
EP3081737A2 (fr) * 2015-04-17 2016-10-19 BAUER Maschinen GmbH Appareil de forage destine a pratiquer un forage tube et procede de fonctionnement d'un appareil de forage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018104308A1 (de) * 2018-02-26 2019-08-29 Liebherr-Werk Nenzing Gmbh Verfahren zur Tiefenmessung der Verrohrung bei der Pfahlgründung sowie Anbaugerät für die Pfahlgründung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH434133A (de) * 1965-04-23 1967-04-15 Bade & Co Gmbh Vorrichtung zum Niederbringen einer Verrohrung in Bohrlöchern
AT363044B (de) * 1977-08-02 1981-07-10 Leffer Stahl & App Vorrichtung zum niederbringen einer verrohrten tiefbohrung zur herstellung einer verrohrten pfahlgruendung
JPS5915124A (ja) * 1982-07-16 1984-01-26 Takechi Koumushiyo:Kk 鋼管体の圧入装置
DE8535088U1 (de) * 1985-12-13 1988-08-18 Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen Erdbohrgerät
JP2002021076A (ja) * 2000-07-05 2002-01-23 Nippon Steel Corp 回転圧入杭の施工管理システムおよび施工管理方法
EP3081737A2 (fr) * 2015-04-17 2016-10-19 BAUER Maschinen GmbH Appareil de forage destine a pratiquer un forage tube et procede de fonctionnement d'un appareil de forage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3530813B1 (fr) * 2018-02-26 2021-08-11 Liebherr-Werk Nenzing GmbH Procédé de mesure de profondeur du tubage dans une fondation sur pilotis ainsi qu'appareil rapporté pour la fondation sur pilotis
CN111395323A (zh) * 2020-04-13 2020-07-10 中北大学 一种基于压力传感器的防超灌控制装置及其使用方法
NL2027272B1 (nl) * 2021-01-05 2022-07-22 R Kloosterman Holding B V Werkwijze voor het fixeren van een grondanker.

Also Published As

Publication number Publication date
DE102018104308A1 (de) 2019-08-29
EP3530813B1 (fr) 2021-08-11

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