EP1974124B1 - Fluidrückgewinnung - Google Patents

Fluidrückgewinnung Download PDF

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Publication number
EP1974124B1
EP1974124B1 EP06817489A EP06817489A EP1974124B1 EP 1974124 B1 EP1974124 B1 EP 1974124B1 EP 06817489 A EP06817489 A EP 06817489A EP 06817489 A EP06817489 A EP 06817489A EP 1974124 B1 EP1974124 B1 EP 1974124B1
Authority
EP
European Patent Office
Prior art keywords
parts
gas
fluid
adapter
anchor
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
EP06817489A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1974124A1 (de
Inventor
Mario Bureau
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.)
Atlas Copco Mai GmbH
Original Assignee
Atlas Copco Mai 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 Atlas Copco Mai GmbH filed Critical Atlas Copco Mai GmbH
Priority to SI200630782T priority Critical patent/SI1974124T1/sl
Priority to PL06817489T priority patent/PL1974124T3/pl
Publication of EP1974124A1 publication Critical patent/EP1974124A1/de
Application granted granted Critical
Publication of EP1974124B1 publication Critical patent/EP1974124B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • 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
    • E21D21/004—Bolts held in the borehole by friction all along their length, without additional fixing means
    • 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
    • E21D21/0093—Accessories

Definitions

  • the invention relates to a device for expanding and / or emptying parts of anchors, in particular of rock anchors of the type Reibrohranker or expandable Reibrohranker, with the features of the preamble of claim 1.
  • the invention relates to a method for emptying parts of anchors, in particular of rock anchors of the type Reibrohranker or expandable Reibrohranker, with the features of the preamble of claim 8.
  • the invention relates to a method for setting anchors, in particular rock anchors of the type Reibrohranker or expandable Reibrohranker, with the features of the preamble of claim 16th
  • anchor with expandable parts for strengthening or securing of rock and soil, for example when tunneling or for slope protection, to use in a wellbore.
  • Such anchors in particular friction tube anchors or expandable friction tube anchors, are known under the name “Swellex” (manufacturer Atlas Copco MAI GmbH).
  • As expandable parts these anchors have, in particular expandable anchor bolts whose outer surface rests against the borehole wall in the expanded state and thus defines the anchor in the borehole. The expansion of the bolt can be done with water, which is introduced by means of a pump via a removable adapter with pressure in the anchor bolt.
  • Anchors with expandable parts for strengthening and securing of rock and soil are also from the WO 2005/047650 A of the DE 27 49 068 A1 , of the EP 0 016 742 A1 and the US 3,837,258 A known.
  • WO 2005/047650 A is regarded as the highest state of the art and Offenbahrt a device according to the preamble of claim 1.
  • the invention has for its object to provide a device and method of the type mentioned above, with which the mentioned disadvantages are avoided as much as possible.
  • anchors in particular designed as expandable Reibrohranker rock anchors, with expandable parts (anchor of the type "Swellex”) and a detachably mounted on the anchor adapter, which is connected via at least one fluid line with a pump as well as with the expandable parts, which is Adapter according to the invention indirectly or directly connected to a gas supply.
  • the inflatable portions may be supplied with gas under pressure to deflate.
  • the gas expands in the flared portions forcing the fluid forcibly out of the anchor. If necessary, this process can be repeated until the fluid is completely removed. The occurring through an interaction of air and water corrosion curtains in the anchor bolt can thus be almost completely prevented, whereby the life of the armature is significantly increased.
  • the introduction of pressurized gas, in particular compressed air, both before and after the application of the armature with the expanding fluid As an effect remains in the artificially generated pressure before the application of fluid in contrast to known methods in which only the air under normal pressure in the anchor air volume is compressed, after the pressure equalization significantly less residual water in the anchor back.
  • the introduced into the expandable parts fluid can be withdrawn almost completely and controlled after expansion and optionally used again for widening parts of other anchors.
  • Fig. 1 a schematic longitudinal view of an embodiment of a rock anchor
  • Fig. 2 a cross-sectional view of the rock anchor from Fig. 1
  • Fig. 3 the mountain anchor Fig. 1 with an attached adapter
  • Fig. 4 an embodiment of the inventive device for expanding and / or emptying parts of the rock anchor in a schematic representation.
  • a rock anchor 1 is shown, in which the device according to the invention and the method according to the invention can be used.
  • the embodiment shown corresponds to an expandable Reibrohranker, as for example from the US 4,459,067 A is known and also referred to as "Swellex".
  • the rock anchor 1 is intended to be used for securing and securing rock and soil in a borehole and to be fixed therein.
  • the rock anchor 1 comprises an expandable part which is joined at one end adjacent to the outer end of the borehole (in FIG Fig. 1 right), a sleeve 3 and is closed at the other end by an end sleeve 4.
  • the expandable part may in particular be an anchor bolt 2, which, as in Fig. 2 can be seen, formed by a longitudinally inwardly folded tube having a substantially omega-shaped profile.
  • the anchor bolt 2 can be expanded by increasing the pressure inside the folded tube so that the outer surface of the tube abuts against the borehole wall and thus defines the rock anchor 1 in the wellbore.
  • sleeve 3 In the sleeve 3 is an opening, e.g. a hole 5, arranged, whose function will be described below.
  • the rock anchor 1 may carry at its lying at the opening of the borehole end an anchor plate which is supported on the bottom or rock side of the sleeve 3.
  • an adapter 6 is arranged.
  • the adapter 6 is plugged or screwed onto the sleeve 3 as an inflation adapter.
  • the adapter 6 is connected via a fluid line, in particular an expansion line 7, and via a fluid line, in particular a holding pressure line 8, with a pump 9.
  • the pump provides a fluid working pressure (inflation pressure) of preferably 100 to 500 bar, in particular 240 to 300 bar.
  • the omega-profile of the anchor bolt 2 is deployed, so that the outer surface of the anchor bolt 2 applies to the borehole wall and the rock anchor 1 sets so in the borehole.
  • the anchor bolt profile reaches a nearly round cross-section at final deployment, at the fluid working pressure of about 240 to 300 bar.
  • the borehole in practice has a smaller diameter than a fully expanded anchor bolt 2, this can not fully unfold, so that it presses while maintaining a L jossluste against the borehole wall.
  • the advantage of the formed longitudinal fold is that it acts to increase stability through the resulting stiffening. By maintaining the working pressure for a period of at least six seconds, the anchor bolt 2 also presses into irregularities of the borehole wall and forms a frictional and positive connection in the borehole.
  • Fig. 4 shows how the adapter 6 is connected via the expansion line 7 and the holding pressure line 8 to the pump 9.
  • the pump 9 is in turn connected to a fluid supply line 12.
  • a valve 13 is arranged, via which the inflow and outflow of fluid in and out of the adapter 6 is regulated.
  • the invention provides that the adapter 6 is connected to a gas supply, which is formed in the embodiment shown by a further fluid line, in particular a gas line 14, and a compressor 15.
  • the compressor 15 may be an air compressor or connected to a container of compressed air.
  • the gas line 14, starting from the compressor 15 does not open directly into the adapter 6, but ends in the expansion line 7 in the region between the adapter 6 and the valve 13.
  • a valve 16 is arranged, via which the gas passage is regulated.
  • the valves 13, 16, and the pump 9 and the compressor 15 are controlled by a control unit 17.
  • the described device acts as a system for recovering the medium which dilates the anchor bolt 2, in particular as a water recovery system.
  • compressed air can be pressed into the anchor bolt 2 via the adapter 6, which air guides the remaining and unwanted fluid portion from the anchor bolt 2 into the expansion line 7 during expansion.
  • pressurized gas in particular compressed air, can take place in the context of the invention before and / or after the application of the armature 1 with fluid.
  • the holding pressure i. the fluid pressure is maintained via the holding pressure line 8 for compressing the seal rings 10
  • the inflation pressure i. the fluid working pressure of preferably 240 to 300 bar
  • valve 13 is closed and the valve 16 is opened so that gas, in particular air, via the gas line 14 and the expansion line 7 in the adapter 6, and thus in the anchor bolt 2, is passed.
  • gas in particular air
  • valve 16 is closed again and the valve 13 is opened, so that the gas pressed into the anchor bolt 2 escapes via the expansion line 7 and thereby pushes the remaining fluid out of the anchor bolt 2.
  • the operations described may optionally be repeated until the fluid (e.g., water) is completely removed.
  • the fluid e.g., water
  • the holding pressure is lowered.
  • the armature 1 is acted upon by expanding fluid and expanded by pressure.
  • the profile unfolds and the anchor 1 settles to form a frictional and positive connection to the borehole wall.
  • the previously compressed air is compressed.
  • the adapter 6 is removed. The compressed air expands (pressure equalization) and passes the fluid located in the anchor bolt 2 out of the armature 1.
  • the emerging from the anchor bolt 2 fluid can be passed from the pump 9 either via a drain line 18 in a container or performed directly in a closed circuit.
  • an adapter 6 is arranged with copesstechnikszu- or -ablauf on a sleeve.
  • a holding pressure is generated via a holding pressure line 8, which fixes the adapter 6 on the sleeve 3.
  • fluid flows into the anchor bolt 2 via an expansion line 7 and begins to fill it.
  • the anchor bolt 2 due to the pressure increase (inflation pressure) widened in the borehole, so that its outer surface rests against the borehole wall and thus fixes the rock anchor 1 in the borehole.
  • pressurized gas in particular compressed air
  • the compressed gas expands after the removal of the adapter 6 (pressure equalization) and directs the fluid located in the anchor bolt 2 almost completely out of the armature 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Piles And Underground Anchors (AREA)
  • Gas Separation By Absorption (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Coating Apparatus (AREA)
EP06817489A 2006-01-19 2006-12-14 Fluidrückgewinnung Active EP1974124B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200630782T SI1974124T1 (sl) 2006-01-19 2006-12-14 Ponovno pridobivanje fluida
PL06817489T PL1974124T3 (pl) 2006-01-19 2006-12-14 Odzyskiwanie płynu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0008706A AT502825B1 (de) 2006-01-19 2006-01-19 Fluidrückgewinnung
PCT/AT2006/000516 WO2007082319A1 (de) 2006-01-19 2006-12-14 Fluidrückgewinnung

Publications (2)

Publication Number Publication Date
EP1974124A1 EP1974124A1 (de) 2008-10-01
EP1974124B1 true EP1974124B1 (de) 2010-06-23

Family

ID=38051869

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06817489A Active EP1974124B1 (de) 2006-01-19 2006-12-14 Fluidrückgewinnung

Country Status (24)

Country Link
US (1) US8152416B2 (ko)
EP (1) EP1974124B1 (ko)
JP (1) JP4958916B2 (ko)
KR (1) KR20080094653A (ko)
CN (1) CN101198764B (ko)
AT (2) AT502825B1 (ko)
AU (1) AU2006336179B2 (ko)
BR (1) BRPI0613174A2 (ko)
CA (1) CA2610221C (ko)
CL (1) CL2007000099A1 (ko)
DE (1) DE502006007295D1 (ko)
DK (1) DK1974124T3 (ko)
ES (1) ES2343652T3 (ko)
HK (1) HK1120588A1 (ko)
HR (1) HRP20100381T8 (ko)
IL (1) IL187315A (ko)
NO (1) NO20082260L (ko)
PL (1) PL1974124T3 (ko)
PT (1) PT1974124E (ko)
RS (1) RS51379B (ko)
RU (1) RU2398968C2 (ko)
SI (1) SI1974124T1 (ko)
WO (1) WO2007082319A1 (ko)
ZA (1) ZA200710307B (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT508761B1 (de) 2009-09-24 2011-04-15 Atlas Copco Mai Gmbh Reibrohranker
US8876436B2 (en) * 2011-12-14 2014-11-04 Rsc Mining (Pty) Ltd. Rock bolt
WO2017008147A1 (en) * 2015-07-10 2017-01-19 Atlas Copco Canada Inc. Shear and tensile reinforcement for inflatable bolt
KR101831557B1 (ko) * 2017-06-02 2018-04-04 정용태 팽창형 록볼트 시공장치에 의한 팽창형 록볼트 시공방법
US10669849B2 (en) * 2018-01-05 2020-06-02 Nevada Industrial LLC Rock anchor inflation and draining system
CN110607793A (zh) * 2019-09-24 2019-12-24 杭州昂创科技有限公司 基坑支护可回收扩体排水土钉墙的施工方法
CN116263053B (zh) * 2021-12-14 2024-06-18 中国五冶集团有限公司 一种真空吸力型抗浮锚杆
CN114635732B (zh) * 2022-05-23 2022-08-02 中铁九局集团第六工程有限公司 一种膨胀型抗震支护锚杆及其施工方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3837258A (en) * 1970-02-03 1974-09-24 C Williams Rock bolts
DE2749068A1 (de) * 1977-11-02 1979-05-03 Gebirgssicherung Gmbh Gebirgsanker
SE427764B (sv) * 1979-03-09 1983-05-02 Atlas Copco Ab Bergbultningsforfarande jemte rorformig bergbult
US4635333A (en) * 1980-06-05 1987-01-13 The Babcock & Wilcox Company Tube expanding method
NO159201C (no) * 1980-09-08 1988-12-07 Atlas Copco Ab Fremgangsmaate ved bolting i fjell og kombinert ekspansjonsbolt og installasjonsanordning for samme.
US4954017A (en) * 1980-11-10 1990-09-04 The Curators Of The University Of Missouri Expansion bolt and mine roof reinforcement
SE8106165L (sv) * 1981-10-19 1983-04-20 Atlas Copco Ab Forfarande for bergbultning och bergbult
DE3503228A1 (de) * 1985-01-31 1986-08-07 Wiederaufarbeitungsanlage Karlsruhe Betriebsgesellschaft mbH, 7514 Eggenstein-Leopoldshafen Probenahmeeinrichtung
SE457894B (sv) * 1985-06-17 1989-02-06 Atlas Copco Ab Saett att stabilisera berg
JP3570807B2 (ja) * 1996-02-15 2004-09-29 前田建設工業株式会社 揚排水装置
CN2448925Y (zh) * 2000-07-24 2001-09-19 陶纪南 胀裂式压力型预应力注浆锚具
CN2622392Y (zh) * 2003-05-19 2004-06-30 上海禧龙工程安装有限公司 中空高强度锚杆注浆锚固件
JP4203567B2 (ja) * 2003-10-08 2009-01-07 日新製鋼株式会社 ロックボルト加圧・膨張方法
US7404274B2 (en) * 2003-11-12 2008-07-29 Hayes John T Masonry wall anchoring system
SE526133C2 (sv) * 2003-11-13 2005-07-12 Atlas Copco Rock Drills Ab Rörformig expanderbar bergbult och expansionsfluidavgivande munstycke
JP3803365B2 (ja) * 2003-11-17 2006-08-02 松下電器産業株式会社 結晶膜の製造方法、結晶膜付き基体の製造方法、および熱電変換素子の製造方法
CN2737949Y (zh) * 2003-11-19 2005-11-02 山东省岩土与结构工程技术研究中心 柔性注压锚杆
SE529459C2 (sv) * 2004-03-10 2007-08-14 Sandvik Intellectual Property Borrande apparatur
WO2005118190A1 (de) * 2004-06-03 2005-12-15 Fischerwerke Artur Fischer Gmbh & Co. Kg Verfahren, anker und bohrmaschine zur verankerung des ankers in einem ankergrund
JP4288331B2 (ja) 2005-02-14 2009-07-01 日新鋼管株式会社 ロックボルト及びこれを用いた支保工法
AT9590U1 (de) * 2006-08-17 2007-12-15 Atlas Copco Mai Gmbh Reibrohranker und inflationsadapter für diesen

Also Published As

Publication number Publication date
HRP20100381T1 (hr) 2010-08-31
US20100074695A1 (en) 2010-03-25
AU2006336179B2 (en) 2011-06-30
HK1120588A1 (en) 2009-04-03
PL1974124T3 (pl) 2010-11-30
HRP20100381T8 (en) 2010-10-31
SI1974124T1 (sl) 2010-10-29
IL187315A (en) 2012-01-31
EP1974124A1 (de) 2008-10-01
KR20080094653A (ko) 2008-10-23
CA2610221A1 (en) 2007-07-26
RU2398968C2 (ru) 2010-09-10
ZA200710307B (en) 2009-06-24
AT502825B1 (de) 2007-06-15
DE502006007295D1 (de) 2010-08-05
BRPI0613174A2 (pt) 2010-12-21
CL2007000099A1 (es) 2008-01-18
CN101198764B (zh) 2011-06-08
AT502825A4 (de) 2007-06-15
DK1974124T3 (da) 2010-10-11
AU2006336179A1 (en) 2007-07-26
RU2007145054A (ru) 2009-06-10
CN101198764A (zh) 2008-06-11
ES2343652T3 (es) 2010-08-05
ATE472044T1 (de) 2010-07-15
RS51379B (en) 2011-02-28
WO2007082319A1 (de) 2007-07-26
JP2009523929A (ja) 2009-06-25
JP4958916B2 (ja) 2012-06-20
NO20082260L (no) 2008-10-10
IL187315A0 (en) 2008-04-13
PT1974124E (pt) 2010-07-27
CA2610221C (en) 2014-09-02
US8152416B2 (en) 2012-04-10

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