WO2021233753A1 - Procédé de création d'une ancre de tension dans le sol, et tambour de réception pour un élément de câble de tension - Google Patents

Procédé de création d'une ancre de tension dans le sol, et tambour de réception pour un élément de câble de tension Download PDF

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Publication number
WO2021233753A1
WO2021233753A1 PCT/EP2021/062588 EP2021062588W WO2021233753A1 WO 2021233753 A1 WO2021233753 A1 WO 2021233753A1 EP 2021062588 W EP2021062588 W EP 2021062588W WO 2021233753 A1 WO2021233753 A1 WO 2021233753A1
Authority
WO
WIPO (PCT)
Prior art keywords
drum
receiving
pull rope
receiving drum
holding arm
Prior art date
Application number
PCT/EP2021/062588
Other languages
German (de)
English (en)
Inventor
Martin Mußack
Matthias Wachinger
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
Publication of WO2021233753A1 publication Critical patent/WO2021233753A1/fr

Links

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paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out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 rods 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 backwards into the ground from a support wall.
  • tie rods can be several meters in length, often from 5 to 20 meters and more. With such lengths, it is common not to use rigid tie rods, but tie rods that are constructed with one or more flexible 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 emerge from EP 3517688 A1, for example.
  • For storing and transporting such long pull rope elements it is known to arrange the se in a wound form in a receiving drum, which usually have a diameter of between 1 and 3 meters.
  • the Constrom mel is usually rotatably Gela Gert on an inclined bearing block, which is positioned directly on 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, so et wa from EP 3382 139 B1.
  • support devices are only intended for rigid drill pipe elements.
  • the invention is based on the issue 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 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 equipment.
  • 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 follow in particular via the rotary drive and the rotatable suspension on the support 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 center 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 central 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 recording drum is thus formed with a strut or lattice structure, so that a lightweight construction is given in principle Lich.
  • the structure can be formed from steel or a light metal, in particular an aluminum material. As a result, a hanging load is reduced on the support arm.
  • 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 portion can be gripped by conventional gripping pliers, which is known and used, for example, for gripping Bohrge rod elements.
  • a standard element can be used to create a detachable connection.
  • a support vehicle which is already known from drilling equipment, can also be used for the handling of drill rod elements 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 outwards in their wound state.
  • the receiving drum has a bottom and a lateral peripheral wall on which at least one outlet opening for the pull rope 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 he allows an efficient removal and insertion of the pull rope element.
  • the invention comprises an arrangement for supplying a Switzerlandseilelemen tes to create a tie rod in the ground, which is characterized in that at least one pull rope element is mounted in a previously described inventive Shen receiving drum and that the receiving drum via a connecting section on the central center shaft rotatably is hung on a holding arm.
  • 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 Ro tor, 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 with power.
  • 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 can not only 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, with 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 with clamping claws, so that a centric center shaft can be gripped in a non-positive and / or positive manner.
  • the receiving drum With 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.
  • Fig. 1 is a side view of a take-up drum according to the invention
  • Figure 2 is a top plan view of the take-up drum of Figure 1;
  • FIG. 3 shows a side view of an arrangement according to the invention for feeding a pull rope element with the take-up drum from FIGS. 1 and 2.
  • 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 about 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 composed of one or more steel ropes and is withdrawn or unwound from the receiving drum 10 via a Austrittsöff opening 18 and introduced into an anchor hole, not shown, in the Bo.
  • FIG. 10 An arrangement according to the invention for supplying a pull rope element to He put a tie rod in the ground with the receiving drum 10 according to the invention is clearly shown in FIG.
  • the receiving drum 10 is suspended by means of a holding arm 20 at a distance from the floor, so that the receiving drum 10 can be positioned almost anywhere and regardless of the ground conditions.
  • the holding arm 20 is part of a vehicle 40.
  • vehicle 40 has a crawler undercarriage 42 on which an upper carriage 44 with a cabin 46 for an operator is rotatably arranged around 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 there is a gripper 22 with two collet chucks gene arranged with two claws, through which the two radially directed retaining bolts 19 of the connecting portion 17 on both sides of the central shaft 16 of the receiving drum 10 can be gripped positively.
  • the center shaft 16 and thus the receiving drum 10 can be rotated as a whole, so as to cause or support an unwinding of the Wegseilele Mentes from the receiving drum 10.
  • the tensioned Aufnah meter drum 10 can be arranged and operated over the floor in almost any position.
  • a longitudinal or rotational axis of the receiving drum 10 can also be employed against a vertical in space.
  • a pull rope element can be handled in a simple and particularly safer manner by an operator when creating a tie rod with a bottom.
  • a caterpillar vehicle with gripping pliers can be used in particular, which is known and used for feeding rod-shaped drill pipe 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)

Abstract

L'invention concerne un procédé pour créer une ancre de tension dans le sol avec au moins un élément de câble de tension flexible qui est déroulé à partir d'un tambour de réception et, pour former l'ancre de tension, est introduit dans un trou d'ancrage dans le sol, lequel procédé est caractérisé en ce que le tambour de réception est suspendu sur un bras de support mobile de manière rotative afin de dérouler l'élément de câble de tension. L'invention concerne en outre un tambour de réception pour un élément de câble de tension destiné à créer une ancre de tension dans le sol, comprenant un corps de base en forme de tambour ayant un espace de réception interne pour recevoir au moins un élément de câble de tension et au moins une ouverture de sortie pour l'élément de câble de tension. Selon l'invention, sur le corps de base en forme de tambour est agencé un arbre central pourvu d'une partie de liaison au moyen de laquelle le corps de base en forme de tambour peut être suspendu au centre.
PCT/EP2021/062588 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 WO2021233753A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20175983.4 2020-05-22
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 (1)

Publication Number Publication Date
WO2021233753A1 true WO2021233753A1 (fr) 2021-11-25

Family

ID=70804485

Family Applications (1)

Application Number Title Priority Date Filing Date
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

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
EP3913144A1 (fr) 2021-11-24
EP3913144B1 (fr) 2023-09-06

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