EP3913144A1 - Procédé de production d'un tirant d'ancrage dans le sol et cylindre de réception pour un élément de câble de traction - Google Patents

Procédé de production d'un tirant d'ancrage dans le sol et cylindre de réception pour un élément de câble de traction Download PDF

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Publication number
EP3913144A1
EP3913144A1 EP20175983.4A EP20175983A EP3913144A1 EP 3913144 A1 EP3913144 A1 EP 3913144A1 EP 20175983 A EP20175983 A EP 20175983A EP 3913144 A1 EP3913144 A1 EP 3913144A1
Authority
EP
European Patent Office
Prior art keywords
drum
take
receiving
pull rope
holding arm
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
EP20175983.4A
Other languages
German (de)
English (en)
Other versions
EP3913144B1 (fr
Inventor
Martin Mußack
Matthias Wachinger
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 Spezialtiefbau GmbH
Original Assignee
Bauer Spezialtiefbau 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 Spezialtiefbau GmbH filed Critical Bauer Spezialtiefbau GmbH
Priority to EP20175983.4A priority Critical patent/EP3913144B1/fr
Priority to PCT/EP2021/062588 priority patent/WO2021233753A1/fr
Publication of EP3913144A1 publication Critical patent/EP3913144A1/fr
Application granted granted Critical
Publication of EP3913144B1 publication Critical patent/EP3913144B1/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
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • E02D5/808—Ground anchors anchored by using exclusively a bonding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/18—Methods or apparatus in which packages rotate
    • B65H49/20—Package-supporting devices
    • B65H49/22—Overhead suspension devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/18—Methods or apparatus in which packages rotate
    • B65H49/34—Arrangements for effecting positive rotation of packages
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0233—Retaining or protecting walls comprising retention means in the backfill the retention means being anchors
    • 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
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/36—Wires

Definitions

  • the invention relates to a method for creating a tie rod in the ground with at least one flexible tension cable element, which is unwound from a take-up drum and inserted into an anchor hole in the ground to form the tie rod, according to the preamble of claim 1.
  • the invention further relates to a receiving drum for a pull rope element for creating a tie rod in the ground with a drum-shaped base body with an inner receiving space for receiving at least one pull rope element and at least one outlet opening for the pull rope element, according to the preamble of claim 5.
  • Tie anchors also known as ground anchors
  • ground anchors have long been used in special civil engineering, for example for back anchoring retaining walls.
  • An anchor hole is made in the ground, in which a tie rod is then inserted and anchored in the ground, for example by means of high pressure injection.
  • a tension element By applying a tension element to the free end of the tie rod, for example, forces can be diverted from a support wall backwards into the ground.
  • tie rods can have a length of several meters, often 5 to 20 meters and more. With lengths of this kind, it is common not to use rigid tie rods, but rather tie rods that are constructed with one or more flexible tension cable elements. Such flexible pull rope elements are arranged in a coiled form in a receiving drum for storage and transport. Such flexible pull rope elements go, for example, from EP 3 517 688 A1 emerged.
  • a receiving drum For storing and transporting such long pull rope elements, it is known to arrange them in a wound form in a receiving drum, which as a rule have a diameter of between 1 and 3 meters.
  • the receiving drum is usually rotatably mounted on an inclined bearing block, which is positioned directly at an anchor hole on the floor. A worker can then pull the pull rope element out of the take-up drum by hand and insert the pull rope element into the anchor hole while rotating the take-up drum.
  • Auxiliary or support excavators with a gripping device for gripping drill pipe elements are known for handling drill pipe elements, for example from US Pat EP 3 382 139 B1 .
  • support devices are only intended for rigid drill pipe elements.
  • the invention is based on the object of specifying a method and a take-up drum with which a simple and safe creation of a tie rod in the ground with at least one flexible pull cable element is made possible.
  • the method according to the invention is characterized in that the take-up drum for unwinding the pull rope element is rotatably suspended on a movable holding arm.
  • a basic idea of the invention is to no longer store a take-up drum standing on the ground on a bearing block, which is difficult to handle and requires a suitable parking space at the anchor hole.
  • the take-up drum is freely suspended so that it can be rotated in a simple manner.
  • a movable holding arm is provided for hanging, so that simple positioning and handling of the receiving drum is made possible.
  • the take-up drum can be freely rotatably mounted.
  • a rotary drive is arranged on the holding arm, with which the take-up drum is rotated in order to bend the pull cable element.
  • the rotary movement can thus take place mechanically via its own rotary drive, so that a manual rotary movement by a worker can be dispensed with. This makes work easier and increases work safety.
  • the holding arm can be provided on a stationary device.
  • the holding arm is attached to a vehicle with which the receiving drum is moved.
  • the vehicle can be a conventional construction vehicle, in particular a support vehicle, which is used on construction sites with drilling devices.
  • the vehicle can be a small excavator or a small excavator-like vehicle with a crawler or wheeled running gear.
  • Such vehicles have a rotatable superstructure on which a holding arm is arranged, which is adjustable by several, approximately horizontal swivel joints.
  • An operator's cabin is provided on the superstructure for a machine operator so that he can transport and position the receiving drum in a protected manner and, if necessary, also operate the rotary drive.
  • a further advantageous embodiment of the invention consists in that gripping tongs are arranged on the holding arm, with which a connecting section on a central center shaft of the receiving drum for holding and hanging up the receiving drum is releasably gripped.
  • the take-up drum can be designed in a simple manner without its own pivot bearing. The rotation can take place in particular via the rotary drive and the rotatable suspension on the holding arm. Due to the free suspension of the take-up drum at a distance Above the ground by means of the holding arm, the receiving drum can be positioned at the anchor hole with a high degree of freedom, regardless of the ground conditions. This makes it easier to unroll the pull cord wound in or on the take-up drum and to insert it into the anchor hole.
  • the invention is characterized in that a central shaft with a connecting section is arranged on the drum-shaped base body, with which the drum-shaped base body can be suspended in the middle.
  • the drum-shaped base body is approximately cylindrical with a bottom area and a peripheral wall area. A top can be open or closed.
  • a center shaft is arranged, which preferably protrudes axially beyond the height of the circumferential wall.
  • a connecting section with which the receiving drum can be releasably suspended from the holding arm is arranged on the central center shaft.
  • the base body can in principle be designed as a closed body or a body with closed walls.
  • a particularly easy-to-handle take-up drum is achieved in that the base body is constructed from struts with a framework structure.
  • the take-up drum is thus formed with a strut or lattice structure, so that it is basically lightweight.
  • the structure can be formed from steel or a light metal, in particular an aluminum material. As a result, a suspension load on the holding arm is reduced.
  • the connecting section has at least one radially directed retaining bolt. This can be used particularly well to form a suspension on the holding arm.
  • the retaining bolt has an outer diameter which corresponds to an outer diameter of a drill rod element.
  • the connecting section can be gripped by conventional gripping pliers, which are known and used, for example, for gripping drill pipe elements.
  • gripping pliers which are known and used, for example, for gripping drill pipe elements.
  • a standard element can be used to create a detachable connection.
  • a support vehicle that is already known from drilling rigs for handling drill rod elements can also be used for anchor drilling.
  • the take-up drum which is constructed essentially rotationally symmetrically, can be designed in any way.
  • the take-up drum preferably has a lateral circumferential wall against which the tension cable elements, which are under tension, rest radially outward in their wound state.
  • the take-up drum has a bottom and a lateral peripheral wall, on which at least one outlet opening for the pull cable element is arranged. Through the at least one receiving opening on the circumferential wall, the pull cable element can thus be withdrawn or unwound approximately tangentially from the receiving drum. This allows an efficient removal and insertion process of the pull rope element.
  • the invention comprises an arrangement for feeding a pull rope element for creating a tie rod in the ground, which is characterized in that at least one pull rope element is mounted in a receiving drum according to the invention described above and that the receiving drum is rotatably suspended on a holding arm via a connecting section on the central center shaft is.
  • the receiving drum and the arrangement according to the invention can be used to carry out the method according to the invention described above. The advantages described above can be achieved in this way.
  • a rotary drive is arranged on the holding arm, with which the take-up drum can be rotated for unwinding the pull rope element.
  • the rotary drive has a rotor which can be connected non-rotatably to a center shaft of the take-up drum. In this way, the rotor and the take-up drum can be actuated in a power-operated manner.
  • the holding arm is arranged on a vehicle with which the receiving drum can be moved freely. So the drum can go through the vehicle not only can be hung freely rotating at the anchor hole, but the take-up drum can also be efficiently transported to and from the anchor hole.
  • the vehicle is an excavator vehicle on which a holding arm is adjustably mounted.
  • excavator vehicles in particular small excavators, can be procured and used inexpensively, an excavator shovel being replaced by a holding device with a rotary drive.
  • gripping tongs are arranged on the holding arm, with which the connecting section on the central shaft of the receiving drum can be gripped for holding and hanging up the receiving drum.
  • the gripping pliers as a holding device are, in particular, a single or double collet chuck with clamping claws, so that a central center shaft can be gripped in a force-fitting and / or form-fitting manner.
  • a corresponding adjustable support arm preferably with an additional swivel head with at least one further swivel axis, the receiving drum can not only be freely suspended, but also adjusted relative to the vertical, so that a suitable angle can be set in relation to the anchor hole for efficient unwinding.
  • a receiving drum 10 has a drum-shaped base body 12 with a bottom 13 and an outer peripheral wall 14.
  • the drum-shaped base body 12 is constructed overall with a framework or lattice structure of struts 15, so that overall a light weight of the preferably metallic receiving drum 10 is achieved.
  • the essentially rotationally symmetrically constructed take-up drum 10 has a central center shaft 16 which extends in an axial longitudinal direction and forms an axis of rotation for the take-up drum 10.
  • a connecting section 17 is attached to an upper end of the central shaft 16, which protrudes axially above the circumferential wall 14.
  • the connecting section 17 is formed by two radially directed retaining bolts 19 which extend radially away from the center shaft 16 opposite one another.
  • a receiving space 11 is formed for receiving one or more traction cable elements (not shown) in a wound state.
  • the diameter of the take-up drum is approximately 2.5 m, so that a flexible pull cable element with a length of up to 20 m and more can easily be accommodated in the take-up drum 10.
  • the pull rope element is usually made up of one or more steel ropes and is withdrawn or unwound from the receiving drum 10 via an outlet opening 18 and inserted into an anchor hole (not shown) in the ground.
  • FIG Fig. 3 An arrangement according to the invention for feeding a pull rope element for creating a tie rod in the ground with the receiving drum 10 according to the invention is illustrated in FIG Fig. 3 shown.
  • the receiving drum 10 is suspended at a distance from the floor by means of a holding arm 20, so that the receiving drum 10 can be positioned almost as desired and independently of the floor conditions.
  • the holding arm 20 is part of a vehicle 40.
  • vehicle 40 has a crawler chassis as an undercarriage 42, on which an uppercarriage 44 with a cabin 46 for an operator is rotatably arranged about a vertical axis.
  • the holding arm 20 is mounted on the upper carriage 44 so as to be adjustable about a horizontal pivot axis.
  • the holding arm 20 is itself formed from a plurality of arm elements 26 which are connected to one another via joints 28 and can be adjusted by means of hydraulic cylinders 30.
  • a swivel head 32 with a rotary drive 24 is mounted on the free end of the holding arm 20. Underneath the rotary drive 24 is a gripper 22 with two collets each arranged with two claws, by means of which the two radially directed retaining bolts 19 of the connecting section 17 on both sides of the central shaft 16 of the receiving drum 10 can be gripped with a force fit.
  • the center shaft 16 and thus the receiving drum 10 can be rotated as a whole, in order to effect or support an unwinding of the pull cable element from the receiving drum 10.
  • the tensioned receiving drum 10 can be arranged and operated above the floor in almost any position.
  • a longitudinal or rotational axis of the receiving drum 10 can also be set in relation to a vertical in space.
  • a pull rope element can be unwound in a simple and particularly safe manner by an operator when creating a tie rod with a bottom.
  • a caterpillar vehicle with gripping tongs which is known and used for feeding rod-shaped drill rod elements, can be used as the vehicle 40.
  • the retaining bolts 19 of the connecting section 17 of the receiving drum 10 can be designed with a typical diameter of a drill rod element, which can usually be between 10 cm and 30 cm.

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)
  • Environmental & Geological Engineering (AREA)
  • Earth Drilling (AREA)
  • Unwinding Of Filamentary Materials (AREA)
EP20175983.4A 2020-05-22 2020-05-22 Procédé de production d'un tirant d'ancrage dans le sol et cylindre de réception pour un élément de câble de traction Active EP3913144B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20175983.4A EP3913144B1 (fr) 2020-05-22 2020-05-22 Procédé de production d'un tirant d'ancrage dans le sol et cylindre de réception pour un élément de câble de traction
PCT/EP2021/062588 WO2021233753A1 (fr) 2020-05-22 2021-05-12 Procédé de création d'une ancre de tension dans le sol, et tambour de réception pour un élément de câble de tension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20175983.4A EP3913144B1 (fr) 2020-05-22 2020-05-22 Procédé de production d'un tirant d'ancrage dans le sol et cylindre de réception pour un élément de câble de traction

Publications (2)

Publication Number Publication Date
EP3913144A1 true EP3913144A1 (fr) 2021-11-24
EP3913144B1 EP3913144B1 (fr) 2023-09-06

Family

ID=70804485

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20175983.4A Active EP3913144B1 (fr) 2020-05-22 2020-05-22 Procédé de production d'un tirant d'ancrage dans le sol et cylindre de réception pour un élément de câble de traction

Country Status (2)

Country Link
EP (1) EP3913144B1 (fr)
WO (1) WO2021233753A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797589A (en) * 1973-04-16 1974-03-19 Smith International Self guiding force applicator
JPS57169129A (en) * 1981-04-09 1982-10-18 Taisei Corp Construction method and apparatus for anchor
JPH03262823A (ja) * 1990-03-13 1991-11-22 Taisei Corp アンカーテンドンの挿入機
EP3382139B1 (fr) 2017-03-29 2019-05-01 Klemm Bohrtechnik GmbH Système de forage et procédé de réalisation d'un forage
EP3517688A1 (fr) 2018-01-29 2019-07-31 BAUER Spezialtiefbau GmbH Éléments d'ancrage à fixation dans le sol
US20190322481A1 (en) * 2018-04-23 2019-10-24 PATCO Machine & Fab., Inc. Reel with Power Advance Repositionable Level Wind

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797589A (en) * 1973-04-16 1974-03-19 Smith International Self guiding force applicator
JPS57169129A (en) * 1981-04-09 1982-10-18 Taisei Corp Construction method and apparatus for anchor
JPH03262823A (ja) * 1990-03-13 1991-11-22 Taisei Corp アンカーテンドンの挿入機
EP3382139B1 (fr) 2017-03-29 2019-05-01 Klemm Bohrtechnik GmbH Système de forage et procédé de réalisation d'un forage
EP3517688A1 (fr) 2018-01-29 2019-07-31 BAUER Spezialtiefbau GmbH Éléments d'ancrage à fixation dans le sol
US20190322481A1 (en) * 2018-04-23 2019-10-24 PATCO Machine & Fab., Inc. Reel with Power Advance Repositionable Level Wind

Also Published As

Publication number Publication date
WO2021233753A1 (fr) 2021-11-25
EP3913144B1 (fr) 2023-09-06

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