CN102733390A - Method for removing underground waste anchor cable/anchor rod - Google Patents
Method for removing underground waste anchor cable/anchor rod Download PDFInfo
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- CN102733390A CN102733390A CN2012101956314A CN201210195631A CN102733390A CN 102733390 A CN102733390 A CN 102733390A CN 2012101956314 A CN2012101956314 A CN 2012101956314A CN 201210195631 A CN201210195631 A CN 201210195631A CN 102733390 A CN102733390 A CN 102733390A
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- anchor cable
- anchor
- supporter
- underground
- anchoring body
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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 job practices of underground construction, particularly a kind of method of removing underground discarded anchor cable/anchor pole.
Background technology
Extensively adopt anchor cable or anchor pole to come supporting to be provided on the engineering to foundation ditch; Its support principle is: utilize the domatic ground of lateral stabilization of bracing of foundation pit stake/wall that anchored force is provided; Connect through anchor cable or anchor pole and bracing of foundation pit stake/joist anchor, implement supporting bracing of foundation pit stake or enclosure wall.As for when selecting anchor cable for use, when need select anchor pole for use, should depend on reality and decide, but the operating principle of the two is basic 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-anchoring section grouting → anchor head preservative treatment.
This shows, after having accomplished above-mentioned construction, just have one section anchor cable or anchor pole and be embedded in underground; This section anchoring body is very important in work; Play the function of friction that provides powerful, in case but after the pattern foundation pit supporting structure completion, anchoring body has just been stayed in the soil.
For a long time, use anchor cable/anchor pole when carrying out pattern foundation pit supporting structure, usually to ignore of the influence of interim anchor cable/anchor pole, the design and construction that reclaims to interim anchor cable/anchor pole is seldom arranged surrounding environment.Thereby pattern foundation pit supporting structure is accomplished a large amount of discarded anchor cable/anchor pole in back and has been embedded in undergroundly, has had a strong impact on the development & construction of follow-up object of construction production, becomes the underground obstacle that follow-up object of construction production is constructed.Discard at underground anchoring body if clear up these, then need extensive earth excavation, cause the waste of construction cost, therefore must have a kind of efficient, fast, the method for dismounting of simple, underground discarded anchor cable/anchor pole that construction cost is low.
Summary of the invention
The object of the invention is to provide a kind of method for dismounting of underground discarded anchor cable/anchor pole.
The solution that the present invention solves its technical problem is:
A kind of method for dismounting of underground discarded anchor cable/anchor pole is characterized in that: may further comprise the steps:
A), the head of confirming discarded anchor cable/anchor pole is executed the brill start position;
B), between the periphery of anchoring body and ground bonding surface, cut, anchoring body is separated with ground, and cutting the time, follow-up supporter synchronously in the gap that cuts out;
C), stop cutting when being cut to the bottom of discarded anchor cable/anchor pole, guarantee that anchoring body all is positioned at supporter for whole section, anchoring body is extracted dismounting from supporter;
D), backfill grouting in the supporter, treat that supporter stops irritating and reclaiming supporter when overflowing slurry.
As the further improvement of technique scheme, in step a), after the head of confirming discarded anchor cable/anchor pole is executed the brill start position, lay the drilling machine construction platform; In step b), saidly be cut into the annular cutting that anchoring body is the axle center; In step b)～step d), said supporter is a basket.
As the further improvement of technique scheme, in step c), be to 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 in the synchronous simultaneously follow-up supporter of cutting; Like this when pulling out discarded anchor cable/anchor pole; The earthwork is difficult for caving in, and the slip casting in later stage has been filled up again owing to removed the formed hole of discarded anchor cable/anchor pole, guarantees that a cubic metre of earth structure can not be destroyed.The present invention is simple, need not to excavate on a large scale, has reached engineering effort safe, convenient, efficient, cost saving.The present invention can be applicable in the underground engineering construction.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done simple declaration in will describing embodiment below.Obviously, described accompanying drawing is a part of embodiment of the present invention, rather than whole embodiment, and those skilled in the art can also obtain other design schemes and accompanying drawing according to these accompanying drawings under the prerequisite of not paying creative work.
Fig. 1 is an enforcement principle schematic of the present invention, and it has represented the cross section state of discarded anchor cable/anchor pole place soil layer.
The specific embodiment
Below will combine embodiment and accompanying drawing that the technique effect of design of the present invention, concrete structure and generation is carried out clear, complete description, to understand the object of the invention, characteristic and effect fully.Obviously; Described embodiment is a part of embodiment of the present invention, rather than whole embodiment, based on embodiments of the invention; Other embodiment that those skilled in the art is obtained under the prerequisite of not paying creative work all belong to the scope that the present invention protects.In addition, all connection/annexations of being mentioned in the literary composition are not to refer to that singly member directly joins, and are meant and can connect auxiliary through adding or reducing according to the practical implementation situation, form more excellent draw bail.
With reference to Fig. 1, a kind of method for dismounting of underground discarded anchor cable/anchor pole is characterized in that: may further comprise the steps:
A), the head of confirming discarded anchor cable/anchor pole is executed the brill start position, head 1 promptly as shown in Figure 1;
B), between the periphery of anchoring body 2 and ground bonding surface, cut, anchoring body 2 is separated with ground, and cutting the time, follow-up supporter 3 synchronously in the gap that cuts out;
C), stop cutting when being cut to the bottom 6 of discarded anchor cable/anchor pole, guarantee that anchoring body all is positioned at supporter 3 for 2 whole sections, anchoring body 2 is extracted dismounting from supporter 3;
D), backfill groutings in the supporter 3, treat that supporter 3 stops irritating and reclaiming supporter 3 when overflowing slurry.
Further, in step a), after the head 1 of confirming discarded anchor cable/anchor pole is executed the brill start position, lay the drilling machine construction platform as preferred embodiment; In step b), the said annular cutting that is cut into anchoring body 2 for the axle center; In step b)～step d), said supporter 3 is core barrel or sleeve pipe.Particularly, be to adopt core barrel or the sleeve pipe of band shape drill bit 4 to be inserted in head 1 to execute brill, on one side drill bit advances like this, Yi Bian progressively be brought into core barrel or sleeve pipe in the cutting gaps.After cutting is accomplished, just can the bonding surface 5 of anchor cable/anchor pole and ground be kept apart, removed the frictional force between anchoring body 2 and the stratum, thereby can successfully extract discarding anchor cable/anchor pole.
, in step c), be to adopt jack or other drafting tools that anchoring body 2 is extracted dismounting from core barrel or sleeve pipe further as preferred embodiment.
More than be that preferred embodiments of the present invention is specified; But the invention is not limited to said embodiment; Those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite of spirit of the present invention, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (3)
1. the method for dismounting of a underground discarded anchor cable/anchor pole is characterized in that: may further comprise the steps:
A), the head of confirming discarded anchor cable/anchor pole is executed the brill start position;
B), between the periphery of anchoring body and ground bonding surface, cut, anchoring body is separated with ground, and cutting the time, follow-up supporter synchronously in the gap that cuts out;
C), stop cutting when being cut to the bottom of discarded anchor cable/anchor pole, guarantee that anchoring body all is positioned at supporter for whole section, anchoring body is extracted dismounting from supporter;
D), backfill grouting in the supporter, treat that supporter stops irritating and reclaiming supporter when overflowing slurry.
2. the method for dismounting of underground discarded anchor cable/anchor pole according to claim 1 is characterized in that: in step a), after the head of confirming discarded anchor cable/anchor pole is executed the brill start position, lay the drilling machine construction platform; In step b), saidly be cut into the annular cutting that anchoring body is the axle center; In step b)～step d), said supporter is core barrel or sleeve pipe.
3. the method for dismounting of underground discarded anchor cable/anchor pole according to claim 2 is characterized in that: in step c), be to adopt jack or other drafting tools that anchoring body is extracted dismounting from core barrel or sleeve pipe.
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 |
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| Publication Number | Publication Date |
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| CN102733390A true CN102733390A (en) | 2012-10-17 |
| CN102733390B CN102733390B (en) | 2014-12-24 |
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| CN201210195631.4A Active CN102733390B (en) | 2012-06-14 | 2012-06-14 | Method for removing underground waste anchor cable/anchor rod |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953358A (en) * | 2014-04-21 | 2014-07-30 | 江苏鼎达建筑新技术有限公司 | Clearing construction method for underground obstacle |
| CN105840219A (en) * | 2016-04-08 | 2016-08-10 | 郑州市第建筑工程集团有限公司 | Bidirectional excitation resonance type anchor cable removal 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 |
| CN111537258A (en) * | 2020-05-22 | 2020-08-14 | 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)
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| 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 | Pipe sleeve type recoverable 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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2012
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 | Pipe sleeve type recoverable 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 |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953358A (en) * | 2014-04-21 | 2014-07-30 | 江苏鼎达建筑新技术有限公司 | Clearing construction method for underground obstacle |
| CN105840219A (en) * | 2016-04-08 | 2016-08-10 | 郑州市第建筑工程集团有限公司 | Bidirectional excitation resonance type anchor cable removal device |
| 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 |
| CN111537258A (en) * | 2020-05-22 | 2020-08-14 | 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102733390B (en) | 2014-12-24 |
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