CN102182481A - Anchor rope grouting-stop plug - Google Patents

Anchor rope grouting-stop plug Download PDF

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Publication number
CN102182481A
CN102182481A CN2011100893648A CN201110089364A CN102182481A CN 102182481 A CN102182481 A CN 102182481A CN 2011100893648 A CN2011100893648 A CN 2011100893648A CN 201110089364 A CN201110089364 A CN 201110089364A CN 102182481 A CN102182481 A CN 102182481A
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CN
China
Prior art keywords
silica gel
plate
pvc
gel plate
steel strand
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
CN2011100893648A
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Chinese (zh)
Other versions
CN102182481B (en
Inventor
刘才华
朱玺玺
陈从新
肖国峰
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.)
Wuhan Institute of Rock and Soil Mechanics of CAS
Original Assignee
Wuhan Institute of Rock and Soil Mechanics of CAS
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Filing date
Publication date
Application filed by Wuhan Institute of Rock and Soil Mechanics of CAS filed Critical Wuhan Institute of Rock and Soil Mechanics of CAS
Priority to CN 201110089364 priority Critical patent/CN102182481B/en
Publication of CN102182481A publication Critical patent/CN102182481A/en
Application granted granted Critical
Publication of CN102182481B publication Critical patent/CN102182481B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses a grouting-stop plug for an anchor rope. A silica gel plate is clamped between two PVC (polyvinyl chloride) plates with higher hardness, a bolt is used for fixing the two PVC plates with the silica gel plate to make a disk-shaped plug body, round reservation holes for an injection pipe, an exhaust pipe and a steel strand to penetrate are symmetrically arranged in the disk-shaped plug body, and the disk-shaped plug body is arranged and fixed on an anchor rope; the PVC plate is provided with a PVC plate anchor rope steel strand reservation hole, a PVC plate injection pipe reservation hole and a PVC plate exhaust pipe reservation hole are arranged in the PVC plate; the silica gel plate is provided with a silica gel plate anchor rope steel strand reservation hole, a silica gel plate injection pipe reservation hole and a silica gel plate exhaust pipe reservation hole; and the silica gel plate injection pipe reservation hole and the silica gel plate exhaust pipe reservation hole are smaller than the outer diameters of the anchor rope steel strand, the injection pipe and the exhaust pipe. The grouting-stop plug for an anchor rope has a simple structure, strong applicability, low manufacturing cost and good grouting stop effect, is convenient to use, can ensure the grouting pressure, can meet the requirement of hole sealing of anchor ropes with different apertures, different grouting pressure and different structural forms, and has a good hole sealing effect and good economic applicability.

Description

The anchor cable stop grouting plug
Technical field
The present invention relates to the geotechnical anchor engineering technical field, more specifically relate to a kind of anchor cable stop grouting plug, all kinds of anchor cables that be used to dig up mine, all kinds of geotechnical anchor engineerings such as tunnel and side slope have the slip casting requirement prevent that slurries from flowing out.
Background technology
Anchor cable is because the middle extensive use of rock-reinforcing engineering (as side slope, tunnel etc.) at home and abroad of its economic serviceability and construction convenience at present, use effect for the performance anchor cable, most borehole space that anchor cable need inject cement mortar or cement paste fully fills up anchor cable body periphery, and usually need certain grouting pressure during slip casting, its role is to borehole circumference geology fracture plugging, improve the compactness of slurries in the boring, and then guarantee that anchor cable brings into play its anchorage effect, therefore before slip casting, need drilling orifice is sealed.Cement paste commonly used at present seals and the diablement fort method for sealing, and these two kinds of methods often do not reach technical requirements in engineering practice, block Grouting Pipe or stack such as cement paste occurring; Combination such as cement paste or diablement fort and hole wall or steel strand is not closely and the spillage phenomenon that leaks air makes grouting pressure not reach and requires to cause slip casting effect to guarantee.Other only paste-making method seldom uses in engineering because use inconvenience, effect difference or cost are higher as flax silk, timber wedge and grout stop belt etc.
Summary of the invention
The objective of the invention is to be to provide a kind of anchor cable stop grouting plug, simple in structure, easy to use, applicability is strong, low cost, only starch effective and can guarantee the anchor cable stop grouting plug of grouting pressure.
In order to realize above-mentioned purpose, the present invention adopts following technical measures:
A kind of anchor cable stop grouting plug, it is made up of PVC plate, silica gel plate, PVC plate Grouting Pipe preformed hole, silica gel plate Grouting Pipe preformed hole, PVC plate stack preformed hole, silica gel plate stack preformed hole, PVC plate anchor cable steel strand preformed hole, silica gel plate anchor cable steel strand preformed hole, borehole wall, cement paste, sealing of hole segment length L.It is characterized in that: high elasticity silica offset plate of double team in two blocks of higher hardness PVC plates, with screw two blocks of higher hardness PVC plates and a high elasticity silica offset plate are fixedly made the disc cock body, on this disc cock body, be symmetrical arranged the circular preformed hole that is used to wear Grouting Pipe, stack and steel strand.The disc cock body is placed on the anchor cable and fixes, PVC plate external diameter is less than bore diameter 5 ~ 10mm, and the silica gel plate external diameter is greater than bore diameter 20 ~ 30mm, PVC plate anchor cable steel strand preformed hole (consistent with the bundle number of anchor cable steel strand) and PVC plate Grouting Pipe preformed hole and PVC plate stack preformed hole are arranged on the PVC plate, PVC plate anchor cable steel strand preformed hole is greater than anchor cable steel strand diameter 2 ~ 3mm, PVC plate Grouting Pipe preformed hole and PVC plate stack preformed hole are greater than corresponding Grouting Pipe and stack external diameter 2 ~ 3mm, silica gel plate anchor cable steel strand preformed hole (consistent with the bundle number of anchor cable steel strand and corresponding to PVC plate anchor cable steel strand preformed hole) and silica gel plate Grouting Pipe preformed hole and silica gel plate stack preformed hole are arranged on silica gel plate, silica gel plate anchor cable steel strand preformed hole on the silica gel plate is less than anchor cable steel strand nominal diameter 2 ~ 3mm, silica gel plate Grouting Pipe preformed hole and silica gel plate stack preformed hole are less than corresponding Grouting Pipe and stack external diameter 2 ~ 3mm, the disk cock body is put into its silica gel plate periphery of boring back and is turned up and be adjacent to borehole wall, the fast setting cement that is injected with enough flowabilities to sealing of hole segment length L is starched only, promptly can reach the purpose of effectively ending slurry after cement paste solidifies.
Described PVC board diameter is less than bore diameter 5 ~ 10mm, and the silica gel plate diameter is greater than bore diameter 20 ~ 30mm.
Described PVC plate preformed hole is respectively greater than Grouting Pipe, stack and steel strand diameter 2 ~ 3mm, and silica gel plate preformed hole diameter is then respectively less than Grouting Pipe, stack and steel strand diameter 2 ~ 3mm.
Described cock body is applicable to the anchor cable that all have the slip casting requirement, and the cock body diameter determines that according to bore diameter the cock body preformed hole is determined according to the steel wire bundle number.
Advantage of the present invention is: can cock body be set according to the following Suo Changdu and the sealing of hole segment length of anchor cable in the system rope stage, injecting the fast setting cement with certain flowability in the sealing of hole section behind the following rope starches only, sealing of hole section cement paste solidifies the back and carries out slip casting from injected hole, treat to seal stack after stack flows out underflow, keep the design grouting pressure to stablize slip casting 2 ~ 3 minutes.Cock body is easy to make, and grouting process is simple, and sealing of hole is respond well, effectively guarantees the grouting quality of anchor cable, can satisfy the sealing of hole slip casting requirement of dissimilar anchor cables.This stop grouting plug form of structure is simple, can satisfy the sealing of hole slip casting needs of different apertures, different grouting pressure and different structure form anchor cable, and sealing of hole is respond well, and both can produce in batches also can field fabrication, has good economic serviceability.
Description of drawings
Fig. 1 is the cross-sectional schematic of a kind of anchor cable with stop grouting plug;
Fig. 2 is the schematic top plan view of Fig. 1;
Fig. 3 is the schematic side view of Fig. 1.
Wherein:
1-PVC plate (R-PVC, market is purchased), 2-silica gel plate (market is purchased), 3-PVC plate Grouting Pipe preformed hole; 4-silica gel plate Grouting Pipe preformed hole; 5-PVC plate stack preformed hole, 6-silica gel plate stack preformed hole, 7-PVC plate anchor cable steel strand preformed hole, 8-silica gel plate anchor cable steel strand preformed hole, 9-borehole wall, 10-cement paste, L-sealing of hole segment length.
The specific embodiment
Embodiment 1:
The present invention is further illustrated in conjunction with Fig. 1, Fig. 2, Fig. 3.
A kind of anchor cable stop grouting plug, it is made up of PVC plate 1, silica gel plate 2, PVC plate Grouting Pipe preformed hole 3, silica gel plate Grouting Pipe preformed hole 4, PVC plate stack preformed hole 5, silica gel plate stack preformed hole 6, PVC plate anchor cable steel strand preformed hole 7, silica gel plate anchor cable steel strand preformed hole 8, borehole wall 9, cement paste 10, sealing of hole segment length L.It is characterized in that: the disc cock body is placed on the anchor cable and fixes, PVC plate 1 external diameter is less than bore diameter 5 ~ 10mm, and silica gel plate 2 diameters are greater than bore diameter 20 ~ 30mm, on PVC plate 1, there is the PVC plate anchor cable steel strand preformed hole 7(consistent) with the bundle number of anchor cable steel strand, PVC plate Grouting Pipe preformed hole 3 and PVC plate stack preformed hole 5, PVC plate anchor cable steel strand preformed hole 7 is greater than anchor cable steel strand nominal diameter 2 ~ 3mm, PVC plate Grouting Pipe preformed hole 3 and PVC plate stack preformed hole 5 are greater than corresponding Grouting Pipe and stack external diameter 2 ~ 3mm, on silica gel plate 2, have silica gel plate anchor cable steel strand preformed hole 8(consistent with the bundle number of anchor cable steel strand and corresponding to PVC plate anchor cable steel strand preformed hole) and silica gel plate Grouting Pipe preformed hole 4 and silica gel plate stack preformed hole 6, silica gel plate anchor cable steel strand preformed hole 8 on the silica gel plate 2 is less than anchor cable steel strand diameter 2 ~ 3mm, silica gel plate Grouting Pipe preformed hole 4 and silica gel plate stack preformed hole 6 are less than corresponding Grouting Pipe and stack external diameter 2 ~ 3mm, the fast setting cement that is injected with enough flowabilities to sealing of hole segment length L starches 10 only, promptly can reach after cement paste 10 solidifies and effectively end the purpose of starching.
Determine the sealing of hole segment length according to the design grouting pressure LWhen anchor cable is made, the disc cock body is placed on the anchor cable also fixing, because the preformed hole 7(3 or 5 on the PVC plate 1) greater than anchor cable steel strand (Grouting Pipe or stack) diameter 2 ~ 3mm, and the preformed hole 8(4 or 6 on the silica gel plate 2) less than anchor cable steel strand (Grouting Pipe or stack) diameter 2 ~ 3mm, the disc cock body is set on the steel strand comparatively easily, simultaneously the preformed hole 8(4 or 6 on the silica gel plate 2) be enclosed within closely on the steel strand (Grouting Pipe or stack) by steel strand (Grouting Pipe or stack) expansion.PVC plate 1 diameter is less than bore diameter 5 ~ 10mm, and silica gel plate 2 diameters are greater than bore diameter 20 ~ 30mm, cock body is easy to send in the hole during following rope, and the silica gel plate 2 that PVC plate 1 periphery is exposed digs outside the hole and be close on the borehole wall, so cock body has good sealing.The fast setting cement that is injected with enough flowabilities to sealing of hole segment length L after following rope is finished is starched 10(only for the anchor cable that has than the multi beam steel strand, and the cement paste 10 of good fluidity can fully be filled the sealing of hole section LIn the space), promptly can reach the purpose of effectively ending slurry after cement paste 10 solidifies.

Claims (1)

1. anchor cable stop grouting plug, it comprises PVC plate (1), silica gel plate (2), it is characterized in that: double team silica gel plate (2) in two blocks of higher hardness PVC plates (1), with screw two blocks of PVC plates (1) and silica gel plate (2) are fixedly made the disc cock body, on the disc cock body, be symmetrical arranged and be used to wear Grouting Pipe, the circular preformed hole of stack and steel strand, the disc cock body is placed on the anchor cable and fixes, PVC plate (1) external diameter is less than bore diameter 5 ~ 10mm, silica gel plate (2) diameter is greater than bore diameter 20 ~ 30mm, PVC plate anchor cable steel strand preformed holes (7) and PVC plate Grouting Pipe preformed hole (3) and PVC plate stack preformed hole (5) are arranged on PVC plate (1), PVC plate anchor cable steel strand preformed holes (7) are greater than anchor cable steel strand diameter 2 ~ 3mm, PVC plate Grouting Pipe preformed hole (3) and PVC plate stack preformed hole (5) are greater than corresponding Grouting Pipe and stack external diameter 2 ~ 3mm, silica gel plate anchor cable steel strand preformed holes (8) and silica gel plate Grouting Pipe preformed hole (4) and silica gel plate stack preformed hole (6) are arranged on silica gel plate (2), silica gel plate anchor cable steel strand preformed holes (8) on the silica gel plate (2) are less than anchor cable steel strand 2 ~ 3mm, and silica gel plate Grouting Pipe preformed hole (4) and silica gel plate stack preformed hole (6) are less than corresponding Grouting Pipe and stack external diameter 2 ~ 3mm.
CN 201110089364 2011-04-11 2011-04-11 Anchor rope grouting-stop plug Expired - Fee Related CN102182481B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110089364 CN102182481B (en) 2011-04-11 2011-04-11 Anchor rope grouting-stop plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110089364 CN102182481B (en) 2011-04-11 2011-04-11 Anchor rope grouting-stop plug

Publications (2)

Publication Number Publication Date
CN102182481A true CN102182481A (en) 2011-09-14
CN102182481B CN102182481B (en) 2012-12-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102704971A (en) * 2012-01-11 2012-10-03 济南澳科矿山工程技术有限公司 Grouting and Grouting-stopping anchor cable inside hole
CN104164874A (en) * 2013-05-16 2014-11-26 建研地基云南有限公司 Expansive soil anchor rope stop-grouting plug, and anchor rope structure using same and construction method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56131713A (en) * 1980-03-17 1981-10-15 Sumitomo Electric Ind Ltd Anchor using pc steel material
WO2005045194A1 (en) * 2003-11-07 2005-05-19 Sean Peter Buxton Plug member
CN2766041Y (en) * 2004-12-14 2006-03-22 汪德洪 Rockbolt packer
CN201292853Y (en) * 2008-11-28 2009-08-19 天地科技股份有限公司 Pulp stopping plug for cable
CN202039360U (en) * 2011-04-11 2011-11-16 中国科学院武汉岩土力学研究所 Grout-stopping plug for anchorage cables

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56131713A (en) * 1980-03-17 1981-10-15 Sumitomo Electric Ind Ltd Anchor using pc steel material
WO2005045194A1 (en) * 2003-11-07 2005-05-19 Sean Peter Buxton Plug member
CN2766041Y (en) * 2004-12-14 2006-03-22 汪德洪 Rockbolt packer
CN201292853Y (en) * 2008-11-28 2009-08-19 天地科技股份有限公司 Pulp stopping plug for cable
CN202039360U (en) * 2011-04-11 2011-11-16 中国科学院武汉岩土力学研究所 Grout-stopping plug for anchorage cables

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102704971A (en) * 2012-01-11 2012-10-03 济南澳科矿山工程技术有限公司 Grouting and Grouting-stopping anchor cable inside hole
CN102704971B (en) * 2012-01-11 2016-03-02 济南澳科矿山工程技术有限公司 Grouting grouting cable anchor in hole
CN104164874A (en) * 2013-05-16 2014-11-26 建研地基云南有限公司 Expansive soil anchor rope stop-grouting plug, and anchor rope structure using same and construction method thereof

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Publication number Publication date
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Granted publication date: 20121212

Termination date: 20180411