CN102733390B - Method for removing underground waste anchor cable/anchor rod - Google Patents
Method for removing underground waste anchor cable/anchor rod Download PDFInfo
- Publication number
- CN102733390B CN102733390B CN201210195631.4A CN201210195631A CN102733390B CN 102733390 B CN102733390 B CN 102733390B CN 201210195631 A CN201210195631 A CN 201210195631A CN 102733390 B CN102733390 B CN 102733390B
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- China
- Prior art keywords
- anchor cable
- anchor
- cutting
- supporter
- support body
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- 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.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000002699 waste material Substances 0.000 title abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 15
- 238000010276 construction Methods 0.000 claims abstract description 14
- 238000005553 drilling Methods 0.000 claims abstract description 4
- 238000004873 anchoring Methods 0.000 claims description 22
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 7
- 238000009955 starching Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 4
- 238000009412 basement excavation Methods 0.000 abstract description 2
- 239000011435 rock Substances 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a method for removing an underground waste anchor cable/anchor rod. The method is characterized by comprising the following steps of: a), determining the head drilling starting position of the waste anchor cable/anchor rod; b), cutting the junction surface of the periphery of an anchorage body and rock soil to separate the anchorage body from the rock soil, and synchronously putting a support body in a cut out gap while cutting is performed; c), cutting until the bottom end of the waste anchor cable/anchor rod is cut to ensure the whole section of the anchorage body to be located in the support body, and pulling out to remove the anchorage body from the support body; and d), performing backfill grouting in the support body; ending the grouting when the support body is overflowed and recovering the support body. According to the method for removing the underground waste anchor cable/anchor rod, the support body is synchronously put while the cutting is performed, and thus, the waste anchor cable/anchor rod can be easily removed, and the gap can be filled by the grouting at the later stage, and thus, an earthwork structure cannot be damaged. The method for removing the underground waste anchor cable/anchor rod is simple and easy to implement, does not need wide-range excavation and is safe, convenient, fast and efficient. The method for removing the underground waste anchor cable/anchor rod can be applied to underground engineering construction.
Description
Technical field
The present invention relates to a kind of construction method of underground construction, particularly a kind ofly remove the method that anchor cable/anchor pole is discarded in underground.
Background technology
Engineering extensively adopt anchor cable or anchor pole provide supporting to foundation ditch, its support principle is: utilize the domatic ground of the lateral stabilization of bracing of foundation pit stake/wall to provide anchored force, connect by anchor cable or anchor pole and bracing of foundation pit stake/joist anchor, implement the supporting to bracing of foundation pit stake or enclosure wall.As for when needing to select anchor cable, when need to select anchor pole, should reality be depended on and determine, but the operating principle of the two be substantially identical.
The construction technology of anchor cable/anchor pole is: pore-creating → anchor cable/anchor pole fabrication and installation → anchor cable/bolthole grouting → anchor cable/anchor pole tensioning fixation → non-anchored section grouting → anchor head preservative treatment.
As can be seen here, after completing above-mentioned construction, just have one section of anchor cable or anchor pole is embedded in underground, this section of anchoring body is very important when work, play the effect of the frictional force providing powerful, but once after pattern foundation pit supporting structure completes, anchoring body is just stayed in soil.
For a long time, using anchor cable/anchor pole usually to have ignored interim anchor cable/anchor pole when carrying out pattern foundation pit supporting structure on the impact of surrounding environment, seldom having and carrying out for interim anchor cable/anchor pole the design and construction that reclaims.Thus, after pattern foundation pit supporting structure completes, a large amount of discarded anchor cable/anchor pole has been embedded in underground, has had a strong impact on the development & construction of successive projects project, has become the underground obstacle of successive projects project construction.If clear up these to discard anchoring body in underground, then need extensive earth excavation, cause the waste of construction cost, therefore must have a kind of efficient, fast, the underground that simple, construction cost is low discards the method for dismounting of anchor cable/anchor pole.
Summary of the invention
Object of the present invention, is to provide a kind of underground to discard the method for dismounting of anchor cable/anchor pole.
The solution that the present invention solves its technical problem is:
A method for dismounting for anchor cable/anchor pole is discarded in underground, it is characterized in that: comprise the following steps:
A), determine that the head of discarded anchor cable/anchor pole executes brill start position;
B), between the periphery and ground bonding surface of anchoring body cut, anchoring body is separated with ground, and while cutting, synchronously follow up supporter in the gap cut out;
C), stop cutting when being cut to the bottom of discarded anchor cable/anchor pole, ensure that whole section of anchoring body is all positioned at supporter, anchoring body is extracted dismounting from supporter;
D), toward backfill grouting in supporter, body to be supported overflows when starching and stops filling with and reclaim supporter.
As the further improvement of technique scheme, in step a), after determining that the head of discarded anchor cable/anchor pole executes brill start position, lay drilling machine construction platform; In step b), described in be cut into anchoring body be axle center annular cutting; In step b) ~ step d), described supporter is basket.
As the further improvement of technique scheme, in step c), be adopt jack or other drafting tools that anchoring body is extracted dismounting from core barrel or sleeve pipe.
The invention has the beneficial effects as follows: the present invention cuts the ground at anchoring body place among a small circle, and the supporter that synchronously follows up in cutting while, like this when pulling out discarded anchor cable/anchor pole, the earthwork is not easily caved in, and the slip casting in later stage has been filled up owing to having removed the hole that discarded anchor cable/anchor pole is formed again, ensure that earthwork structure can not be destroyed.The present invention is simple, without the need to excavating, reaches engineering effort that is safe, convenient, efficient, cost saving on a large scale.The present invention can be applicable in underground engineering construction.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present invention, instead of whole embodiment, and those skilled in the art, under the prerequisite not paying creative work, can also obtain other design schemes and accompanying drawing according to these accompanying drawings.
Fig. 1 is enforcement principle schematic of the present invention, which show the cross section state of discarded anchor cable/anchor pole place soil layer.
Detailed description of the invention
Clear, complete description is carried out, to understand object of the present invention, characteristic sum effect fully below with reference to embodiment and the accompanying drawing technique effect to design of the present invention, concrete structure and generation.Obviously; described embodiment is a part of embodiment of the present invention, instead of whole embodiment, based on embodiments of the invention; other embodiments that those skilled in the art obtains under the prerequisite not paying creative work, all belong to the scope of protection of the invention.In addition, all connection/annexations mentioned in literary composition, not singly refer to that component directly connects, and refer to and according to concrete performance, can connect auxiliary by adding or reducing, and form more excellent draw bail.
With reference to Fig. 1, the method for dismounting of anchor cable/anchor pole is discarded in a kind of underground, it is characterized in that: comprise the following steps:
A), determine that the head of discarded anchor cable/anchor pole executes brill start position, i.e. head 1 as shown in Figure 1;
B), between the periphery and ground bonding surface of anchoring body 2 cut, anchoring body 2 is separated with ground, and while cutting, synchronous follow-up supporter 3 in the gap cut out;
C), stop cutting when being cut to the bottom 6 of discarded anchor cable/anchor pole, ensure that whole section of anchoring body 2 is all positioned at supporter 3, anchoring body 2 is extracted dismounting from supporter 3;
D), toward backfill grouting in supporter 3, body 3 to be supported overflows when starching and stops filling with and reclaim supporter 3.
Be further used as preferred embodiment, in step a), after determining that the head 1 of discarded anchor cable/anchor pole executes brill start position, lay drilling machine construction platform; In step b), described in be cut into anchoring body 2 be that the annular in axle center is cut; In step b) ~ step d), described supporter 3 is core barrel or sleeve pipe.Particularly, be adopt the core barrel of band annular bit 4 or sleeve pipe to be inserted in head 1 to execute brill, such drill bit advances, while core barrel or sleeve pipe are progressively brought in cutting gaps.After cutting completes, just the bonding surface 5 of anchor cable/anchor pole and ground can be kept apart, relieve the frictional force between anchoring body 2 and stratum, thus can successfully discarded anchor cable/anchor pole be extracted.
Being further used as preferred embodiment, in step c), is adopt jack or other drafting tools that anchoring body 2 is extracted dismounting from core barrel or sleeve pipe.
More than that better embodiment of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (1)
1. a method for dismounting for anchor cable/anchor pole is discarded in underground, it is characterized in that: comprise the following steps:
A), determine that the head of discarded anchor cable/anchor pole executes brill start position, after determining that the head of discarded anchor cable/anchor pole executes brill start position, lay drilling machine construction platform;
B), cut between the periphery and ground bonding surface of anchoring body, anchoring body is separated with ground, and while cutting, synchronously follow up supporter in the gap cut out, described be cut into anchoring body be axle center annular cutting, described supporter is core barrel or sleeve pipe;
C), stop cutting when being cut to the bottom of discarded anchor cable/anchor pole, ensure that whole section of anchoring body is all positioned at supporter, adopt jack or other drafting tools that anchoring body is extracted dismounting from core barrel or sleeve pipe;
D), toward backfill grouting in supporter, body to be supported overflows when starching and stops filling with and reclaim supporter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210195631.4A CN102733390B (en) | 2012-06-14 | 2012-06-14 | Method for removing underground waste anchor cable/anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210195631.4A CN102733390B (en) | 2012-06-14 | 2012-06-14 | Method for removing underground waste anchor cable/anchor rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102733390A CN102733390A (en) | 2012-10-17 |
| CN102733390B true CN102733390B (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210195631.4A Expired - Fee Related CN102733390B (en) | 2012-06-14 | 2012-06-14 | Method for removing underground waste anchor cable/anchor rod |
Country Status (1)
| Country | Link |
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| CN (1) | CN102733390B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953358B (en) * | 2014-04-21 | 2016-05-18 | 江苏鼎达建筑新技术有限公司 | Underground obstacle is removed construction method |
| CN105840219B (en) * | 2016-04-08 | 2018-06-19 | 郑州市第一建筑工程集团有限公司 | Two-way excitation resonance type anchor cable plucking device |
| CN107859520A (en) * | 2017-11-02 | 2018-03-30 | 中建交通建设集团有限公司 | A kind of slurry shield passes through the driving method in anchor cable area over long distances |
| CN111537258B (en) * | 2020-05-22 | 2022-07-15 | 中国水利水电第十六工程局有限公司 | Dam concrete prestress anchor cable blasting demolition sampling method |
| CN112412508A (en) * | 2020-11-25 | 2021-02-26 | 晋城蓝焰煤业股份有限公司 | Method for fixing ground anchor construction and hard object extraction of coal seam broken bottom plate |
| CN112483145A (en) * | 2020-12-16 | 2021-03-12 | 河南理工大学 | High-pressure water jet anchor-releasing and anchor-releasing equipment and anchor-releasing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0819676B2 (en) * | 1993-03-04 | 1996-02-28 | 房夫 坂野 | Method for removing underground structures and obstacles within the adjacent line of 1.000 mm from the boundary |
| CN201496086U (en) * | 2009-09-09 | 2010-06-02 | 中国矿业大学 | A kind of sleeve type retrievable anchor rod |
| CN201560777U (en) * | 2009-11-04 | 2010-08-25 | 沂源县鲁村煤矿有限公司 | Anchor rod recovery machine |
| CN101838988A (en) * | 2010-05-10 | 2010-09-22 | 昆明捷程桩工有限责任公司 | Comprehensive construction method for extracting anchor cable |
| CN102392444A (en) * | 2011-10-26 | 2012-03-28 | 中冶集团武汉勘察研究院有限公司 | Easily-recycled anchor rod device and recycling method |
-
2012
- 2012-06-14 CN CN201210195631.4A patent/CN102733390B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0819676B2 (en) * | 1993-03-04 | 1996-02-28 | 房夫 坂野 | Method for removing underground structures and obstacles within the adjacent line of 1.000 mm from the boundary |
| CN201496086U (en) * | 2009-09-09 | 2010-06-02 | 中国矿业大学 | A kind of sleeve type retrievable anchor rod |
| CN201560777U (en) * | 2009-11-04 | 2010-08-25 | 沂源县鲁村煤矿有限公司 | Anchor rod recovery machine |
| CN101838988A (en) * | 2010-05-10 | 2010-09-22 | 昆明捷程桩工有限责任公司 | Comprehensive construction method for extracting anchor cable |
| CN102392444A (en) * | 2011-10-26 | 2012-03-28 | 中冶集团武汉勘察研究院有限公司 | Easily-recycled anchor rod device and recycling method |
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| Publication number | Publication date |
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| CN102733390A (en) | 2012-10-17 |
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