WO1992018752A1 - Gliederanker - Google Patents

Gliederanker Download PDF

Info

Publication number
WO1992018752A1
WO1992018752A1 PCT/EP1992/000748 EP9200748W WO9218752A1 WO 1992018752 A1 WO1992018752 A1 WO 1992018752A1 EP 9200748 W EP9200748 W EP 9200748W WO 9218752 A1 WO9218752 A1 WO 9218752A1
Authority
WO
WIPO (PCT)
Prior art keywords
anchor
rope
sections
anchor bolt
link
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.)
Ceased
Application number
PCT/EP1992/000748
Other languages
German (de)
English (en)
French (fr)
Inventor
Peter Stephan
Gerhard Klausen
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.)
Bergwerksverband GmbH
Original Assignee
Bergwerksverband 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 Bergwerksverband GmbH filed Critical Bergwerksverband GmbH
Priority to AU15404/92A priority Critical patent/AU650126B2/en
Priority to EP92908139A priority patent/EP0578713B1/de
Priority to PL92301152A priority patent/PL168768B1/pl
Publication of WO1992018752A1 publication Critical patent/WO1992018752A1/de
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/0046—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts formed by a plurality of elements arranged longitudinally
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/006—Anchoring-bolts made of cables or wires

Definitions

  • the invention relates to a link anchor consisting of anchor sections which are connected by a cable, so that cable joints are formed between the anchor sections, and an anchor section is provided with a thread for the mounting of the anchor plate, the link anchor being intended to be fully mortared over its installation length.
  • a link anchor has become known from French mining.
  • This link anchor has been developed in particular for use in boreholes in which continuous anchor rods cannot be inserted for reasons of space. With this link anchor design, however, it has proven to be disadvantageous that the low elasticity and thus the low ability to work until the break are not suitable for all applications.
  • the present invention is based on the object of avoiding its disadvantages of the low elasticity and the low ability to work. This object is achieved by a link anchor which has the characterizing features of the patent claim.
  • the link anchor according to the invention is given a comparatively large load path under approximately constant load conditions by the resilience element in the deepest borehole before, after the resilience is exhausted, a load up to the breaking strength of the rope takes place. It can therefore also be used in mountain conditions which lead to the expectation that the rock is loosened more strongly around a cavity.
  • the figure shows an example of a preferred embodiment of a flexible, flexible link anchor 10 according to the invention in a longitudinal section. It consists in the example of a steel cable 1, the between cable joints 2 with cladding tube sections 3, 11, 14, z. B. is surrounded by steel.
  • the cladding tube sections 3, 11, 14 are fixed at certain intervals on the steel cable 1 by cold deformation embossing 4.
  • the steel cable 1 is in a pressing part 6 of the cladding tube section 14 at the other end of the cable at the hole end pressed, which also bears the full breaking force, and which is provided with a mounting thread 7 for mounting an anchor plate 12 by means of a nut 13.
  • a compliance path 8 is provided, which is connected to an easily destructible tubular body 9, e.g. B. made of plastic or thin sheet metal, is covered.
  • an easily destructible tubular body 9 e.g. B. made of plastic or thin sheet metal.
  • the operation of the link anchor 10 according to the invention is as follows: When opening fracture areas or shearing movements in the mountain body after being introduced into a borehole, the link anchor 10 initially takes up load until the friction between the fixed cladding tube sections 3, 11, 14 and the steel cable 1 is overcome. The compliance path 8 is then exhausted until the compression sleeve 5 comes to rest on the uppermost cladding tube section 11. Then the link anchor 10 is loaded up to the breaking force of the steel cable 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Piles And Underground Anchors (AREA)
  • Joining Of Building Structures In Genera (AREA)
PCT/EP1992/000748 1991-04-12 1992-04-03 Gliederanker Ceased WO1992018752A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU15404/92A AU650126B2 (en) 1991-04-12 1992-04-03 Articulated anchor bolt
EP92908139A EP0578713B1 (de) 1991-04-12 1992-04-03 Gliederanker
PL92301152A PL168768B1 (en) 1991-04-12 1992-04-03 Articulated anchor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4112096.5 1991-04-12
DE4112096A DE4112096C1 (enExample) 1991-04-12 1991-04-12

Publications (1)

Publication Number Publication Date
WO1992018752A1 true WO1992018752A1 (de) 1992-10-29

Family

ID=6429509

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1992/000748 Ceased WO1992018752A1 (de) 1991-04-12 1992-04-03 Gliederanker

Country Status (6)

Country Link
EP (1) EP0578713B1 (enExample)
AT (1) ATE138448T1 (enExample)
AU (1) AU650126B2 (enExample)
DE (1) DE4112096C1 (enExample)
PL (1) PL168768B1 (enExample)
WO (1) WO1992018752A1 (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20120052A1 (it) * 2012-03-07 2013-09-08 Dalla Gassa Srl Metodo di realizzazione di una struttura di consolidamento e di contenimento di terreni soggetti a movimenti e struttura di contenimento e di consolidamento realizzata mediante tale metodo
CN108589722A (zh) * 2018-06-05 2018-09-28 重庆科技学院 一种挤入式土层锚杆的一次成型装置及方法
US20190100998A1 (en) * 2015-06-23 2019-04-04 Ncm Innovations (Pty) Ltd. Groutable rock anchor assembly
CN110644944A (zh) * 2019-08-26 2020-01-03 中煤科工集团西安研究院有限公司 一种煤矿井下复杂地层用外平式高压旋喷注浆装置及方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006105557A1 (en) * 2005-03-29 2006-10-05 Grinaker-Lta Limited Rock anchor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3510997C1 (de) * 1985-03-27 1986-06-05 Ruhrkohle Ag, 4300 Essen Nachgiebiger Gebirgsanker
DE3922906A1 (de) * 1989-07-12 1991-01-24 Klaus Ketterer Verfahren zum einbringen von nachgiebigen gebirgsankern und gebirgsanker zur durchfuehrung des verfahrens

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3510997C1 (de) * 1985-03-27 1986-06-05 Ruhrkohle Ag, 4300 Essen Nachgiebiger Gebirgsanker
DE3922906A1 (de) * 1989-07-12 1991-01-24 Klaus Ketterer Verfahren zum einbringen von nachgiebigen gebirgsankern und gebirgsanker zur durchfuehrung des verfahrens

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20120052A1 (it) * 2012-03-07 2013-09-08 Dalla Gassa Srl Metodo di realizzazione di una struttura di consolidamento e di contenimento di terreni soggetti a movimenti e struttura di contenimento e di consolidamento realizzata mediante tale metodo
US20190100998A1 (en) * 2015-06-23 2019-04-04 Ncm Innovations (Pty) Ltd. Groutable rock anchor assembly
US10465515B2 (en) * 2015-06-23 2019-11-05 Ncm Innovations (Pty) Ltd. Groutable rock anchor assembly
CN108589722A (zh) * 2018-06-05 2018-09-28 重庆科技学院 一种挤入式土层锚杆的一次成型装置及方法
CN110644944A (zh) * 2019-08-26 2020-01-03 中煤科工集团西安研究院有限公司 一种煤矿井下复杂地层用外平式高压旋喷注浆装置及方法
CN110644944B (zh) * 2019-08-26 2021-05-18 中煤科工集团西安研究院有限公司 一种煤矿井下复杂地层用外平式高压旋喷注浆装置及方法

Also Published As

Publication number Publication date
EP0578713A1 (de) 1994-01-19
EP0578713B1 (de) 1996-05-22
ATE138448T1 (de) 1996-06-15
PL168768B1 (en) 1996-04-30
DE4112096C1 (enExample) 1992-11-26
AU1540492A (en) 1992-11-17
AU650126B2 (en) 1994-06-09

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