EP3913144B1 - 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
EP3913144B1
EP3913144B1 EP20175983.4A EP20175983A EP3913144B1 EP 3913144 B1 EP3913144 B1 EP 3913144B1 EP 20175983 A EP20175983 A EP 20175983A EP 3913144 B1 EP3913144 B1 EP 3913144B1
Authority
EP
European Patent Office
Prior art keywords
receiving drum
drum
holding arm
receiving
cable element
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.)
Active
Application number
EP20175983.4A
Other languages
German (de)
English (en)
Other versions
EP3913144A1 (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 pull rope element, which is unwound from a receiving 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 traction cable 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 traction cable element and at least one outlet opening for the traction cable element, according to the preamble of claim 4.
  • Tension anchors also known as ground anchors, have long been used in special civil engineering, for example to anchor 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 backwards from a retaining wall into the ground.
  • tie rods can have a length of several meters, often from 5 to 20 meters and more. With such lengths, it is customary not to use rigid tie rods, but rather tie rods that are constructed with one or more flexible traction rope elements.
  • Such flexible traction cable elements are arranged in a coiled form in a receiving drum for storage and transport. Such flexible traction cable elements go, for example, from the EP 3 517 688 A1 out.
  • the receiving drum is usually rotatably mounted on an inclined bearing block, which is positioned directly at an anchor hole on the ground. A worker can then manually pull the liftline member from the receiving drum and insert the liftline member into the anchor hole while rotating the receiving drum.
  • Auxiliary or support excavators with a gripping device for gripping drill string elements are known for handling drill string elements, for example from US Pat EP 3 382 139 B1 .
  • such backup devices are only intended for rigid drill string members.
  • the JP 03 262823 A discloses a method according to the preamble of claim 1 and an arrangement according to the preamble of claim 4.
  • JP S57 1691 29A , U.S. 3,797,589 A and U.S. 2019/322481 A1 show other known methods and arrangements from the prior art.
  • the invention is based on the object of specifying a method and a receiving 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 receiving drum for unwinding the traction cable element is rotatably suspended on a movable holding arm.
  • a basic idea of the invention is no longer to store a receiving 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 is easily rotatable.
  • a movable holding arm is provided for hanging, so that easy positioning and handling of the receiving drum is made possible.
  • the receiving drum can be freely rotatably mounted.
  • a rotary drive is arranged on the holding arm, with which rotary drive the receiving drum is rotated in order to bend the traction 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 occupational 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 that is used on construction sites with drilling equipment.
  • the vehicle can be a small excavator or a vehicle similar to a small excavator with a caterpillar or wheel chassis.
  • Vehicles of this type have a rotatable superstructure on which a holding arm is arranged, which can be adjusted about a number of approximately horizontal swivel joints.
  • An operator's cab is provided on the upper carriage for a machine driver so that he can transport and position the receiving drum in a protected manner and, if necessary, also operate the rotary drive.
  • the invention is further characterized in that gripping tongs are arranged on the holding arm, with which a connecting section on a central central shaft of the receiving drum is releasably gripped for holding and suspending the receiving drum.
  • the receiving 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 receiving drum with a distance above the ground by means of the holding arm, the receiving drum can be positioned independently of the ground conditions with a high degree of freedom at the anchor hole. This facilitates unrolling of the pull cable wound up in or on the receiving drum and insertion 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 centrally.
  • 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 central shaft is arranged in the longitudinal direction of the drum and preferably protrudes axially over the height of the peripheral wall.
  • a connection section is arranged on the central central shaft, with which the receiving drum can be detachably suspended on the holding arm.
  • the base body can be in the form of a closed body or a body with closed walls.
  • a receiving drum that is particularly easy to handle is achieved in that the base body is constructed with a framework structure of struts.
  • the receiving drum is therefore formed with a strut or lattice structure, so that a lightweight construction is fundamentally provided.
  • the structure can be made of steel or a light metal, in particular an aluminum material. This reduces a suspension load on the holding arm.
  • a further expedient embodiment of the invention is achieved in that 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 outside diameter which corresponds to an outside diameter of a drill rod element.
  • the connecting section can be gripped by conventional gripping tongs, which are known and used, for example, for gripping drill rod elements.
  • a standard element can thus be used for the suspension in order to produce a detachable connection.
  • a support vehicle already known in drilling equipment for handling drill rod elements can also be used in anchor drilling.
  • the receiving drum which is constructed in a substantially rotationally symmetrical manner, can be designed in any desired manner.
  • the receiving drum has a lateral peripheral wall against which the traction cable elements, which are under tension, rest radially outwards in their wound state.
  • the receiving drum it is particularly advantageous for the receiving drum to have 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 peripheral wall, the traction cable element can be drawn off or unwound approximately tangentially from the receiving drum. This allows an efficient removal and insertion process of the traction cable element.
  • the invention also includes an arrangement for feeding a traction cable element to create a tie rod in the ground, which is characterized in that at least one traction cable element is mounted in a previously described receiving drum according to the invention and that the receiving drum can be rotated via a connecting section on the central central shaft on a holding arm is suspended.
  • the receiving drum and the arrangement according to the invention can be used to carry out the method according to the invention described above. In this way, the advantages described above can be achieved.
  • a rotary drive is arranged on the holding arm, with which rotary drive the receiving drum can be rotated in order to unwind the traction cable element.
  • the rotary drive has a rotor which can be connected in a rotationally fixed manner to a central shaft of the receiving drum. In this way, the rotor and take-up drum can be power-operated.
  • a particularly good handling is achieved by a variant of the invention in that the holding arm is arranged on a vehicle with which the receiving drum can be moved freely.
  • the drum can therefore go through the vehicle not only can be hung freely rotating at the anchor hole, but also the receiving drum can be transported to and from the anchor hole efficiently.
  • 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, with an excavator shovel being replaced by a holding device with a rotary drive.
  • gripping tongs to be arranged on the holding arm, with which gripping tongs can be used to grip the connecting section on the central shaft of the receiving drum for holding and suspending the receiving drum.
  • the gripping tongs as a holding device are, in particular, a single or a double collet with clamping claws, so that a central shaft can be gripped in a non-positive and/or positive manner.
  • the receiving drum With a corresponding adjustable holding 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 base 13 and an outer peripheral wall 14 .
  • the drum-shaped base body 12 is constructed overall with a framework or lattice structure made of struts 15, so that overall a light weight of the preferably metallic receiving drum 10 is achieved.
  • the essentially rotationally symmetrical structure of the receiving drum 10 has a central central shaft 16 which extends in an axial longitudinal direction and forms an axis of rotation for the receiving drum 10 .
  • a connecting portion 17 is attached at an upper end of the center shaft 16 which projects axially beyond the peripheral wall 14.
  • the connecting section 17 is formed by two radially directed retaining bolts 19 which extend radially away from the central shaft 16 opposite one another.
  • the receiving drum 10 there is a receiving space 11 for receiving one or more traction cable elements (not shown) in a wound state.
  • the diameter of the receiving drum is approximately 2.5 m, so that a flexible traction cable element with a length of up to 20 m and more can easily be accommodated in the receiving drum 10 .
  • the traction cable element is usually made up of one or more steel cables and is pulled or unwound from the receiving drum 10 via an outlet opening 18 and inserted into an anchor hole (not shown) in the ground.
  • FIG 3 An arrangement according to the invention for feeding a traction cable element to create a tie rod in the ground with the receiving drum 10 according to the invention is illustrated in FIG 3 shown.
  • the receiving drum 10 is suspended at a distance from the ground by means of a holding arm 20, so that the receiving drum 10 can be positioned almost arbitrarily and independently of the ground conditions.
  • the holding arm 20 is part of a vehicle 40.
  • vehicle 40 has a crawler chassis as an undercarriage 42, on which an upper carriage 44 with a cabin 46 for an operator is arranged so that it can rotate about a vertical axis.
  • the holding arm 20 is mounted on the superstructure 44 so that it can be adjusted 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 .
  • the center shaft 16 and thus the receiving drum 10 can be rotated as a whole in order to bring about or support the unwinding of the traction cable element from the receiving drum 10.
  • the tensioned receiving drum 10 can be arranged and operated above the ground in almost any position by means of the adjustable holding arm 20 and the pivotable swivel head 32 arranged thereon with at least one further swivel axis.
  • a longitudinal axis or axis of rotation of the receiving drum 10 can also be positioned relative to a vertical in space.
  • a traction cable element can be unwound in a simple and particularly safe manner by an operator when creating a tie rod with a base.
  • a tracked vehicle with gripping tongs can be used as the vehicle 40, which is known and customary for supplying rod-shaped drill rod elements.
  • 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)

Claims (12)

  1. Procédé de production d'un tirant d'ancrage dans le sol avec au moins un élément de câble de traction flexible qui est déroulé d'un tambour de réception (10) et est introduit pour la formation du tirant d'ancrage dans un trou d'ancrage dans le sol,
    caractérisé en ce que
    le tambour de réception (10) est suspendu de manière rotative pour le déroulement de l'élément de câble de traction au niveau d'un bras de retenue (20) mobile et qu'une pince de préhension (22) est agencée au niveau du bras de retenue (20), avec laquelle une section de liaison (17) est saisie de manière détachable au niveau d'une tige médiane (16) centrale du tambour de réception (10) pour la retenue et la suspension du tambour de réception (10).
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    un entraînement de rotation (24) est agencé au niveau du bras de retenue (20), avec lequel le tambour de réception (10) est tourné pour le déroulement de l'élément de câble de traction.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    le bras de retenue (20) est monté au niveau d'un véhicule (40), avec lequel le tambour de réception (10) est déplacé.
  4. Agencement de fourniture d'un élément de câble de traction pour la production d'un tirant d'ancrage dans le sol, en particulier selon un procédé selon l'une quelconque des revendications 1 à 3,
    avec un bras de retenue (20) mobile et
    un tambour de réception pour l'élément de câble de traction pour la production du tirant d'ancrage dans le sol, dans lequel
    le tambour de réception comporte un corps de base (12) en forme de tambour avec un espace de réception (11) pour la réception au moins d'un élément de câble de traction et au moins une ouverture de sortie (18) pour l'élément de câble de traction,
    caractérisé en ce que
    une tige médiane (16) centrale avec une section de liaison (17) est agencée au niveau du corps de base (12) en forme de tambour, avec laquelle le corps de base (12) en forme de tambour peut être suspendu au milieu,
    que le tambour de réception (10) est suspendu par le biais de la section de liaison (17) au niveau de la tige médiane (16) centrale de manière rotative sur le bras de retenue (20) et
    qu'une pince de préhension (22) est agencée au niveau du bras de retenue (20), avec laquelle la section de liaison (17) peut être saisie au niveau de la tige médiane (16) centrale du tambour de réception (10) pour la retenue et la suspension du tambour de réception (10).
  5. Agencement selon la revendication 4,
    caractérisé en ce que
    le corps de base (12) est constitué d'une structure en treillis d'entretoises (15).
  6. Agencement selon la revendication 4 ou 5,
    caractérisé en ce que
    la section de liaison (17) présente au moins un boulon de retenue (19) orienté radialement.
  7. Agencement selon la revendication 6,
    caractérisé en ce que
    le boulon de retenue (19) présente un diamètre extérieur qui correspond à un diamètre extérieur d'un tube de forage.
  8. Agencement selon l'une quelconque des revendications 4 à 7,
    caractérisé en ce que
    le tambour de réception (10) présente un fond et une paroi périphérique latérale (14), au niveau duquel est agencée au moins une ouverture de sortie (18) pour l'élément de câble de traction.
  9. Agencement selon la revendication 4,
    caractérisé en ce que
    un entraînement de rotation (24) est agencé au niveau du bras de retenue (20), avec lequel le tambour de réception (10) est rotatif pour le déroulement de l'élément de câble de traction.
  10. Agencement selon la revendication 4 ou 9,
    caractérisé en ce que
    le bras de retenue (20) est agencé au niveau d'un véhicule (40), avec lequel le tambour de réception (10) est librement déplaçable.
  11. Agencement selon la revendication 10,
    caractérisé en ce que
    le véhicule (40) est un véhicule excavateur, au niveau duquel un bras de retenue (20) est logé de manière réglable.
  12. Agencement selon l'une quelconque des revendications 4 à 11,
    caractérisé en ce que
    une pince de préhension (22) est agencée au niveau du bras de retenue (20), avec laquelle la section de liaison (17) peut être saisie au niveau de la tige médiane (16) centrale du tambour de réception (10) pour la retenue et la suspension du tambour de réception (10).
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 EP3913144A1 (fr) 2021-11-24
EP3913144B1 true 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)

Family Cites Families (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
ES2739920T3 (es) 2017-03-29 2020-02-04 Klemm Bohrtechnik Gmbh Disposición de máquina perforadora y procedimiento para la realización de una perforación
EP3517688B1 (fr) 2018-01-29 2020-07-08 BAUER Spezialtiefbau GmbH Éléments d'ancrage à fixation dans le sol
GB2587134B (en) * 2018-04-23 2022-05-25 Patco Machine & Fab Inc Reel with power advance repositionable level wind

Also Published As

Publication number Publication date
WO2021233753A1 (fr) 2021-11-25
EP3913144A1 (fr) 2021-11-24

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