CN210482097U - High cantilever rockfall protective structure - Google Patents
High cantilever rockfall protective structure Download PDFInfo
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- CN210482097U CN210482097U CN201920809337.5U CN201920809337U CN210482097U CN 210482097 U CN210482097 U CN 210482097U CN 201920809337 U CN201920809337 U CN 201920809337U CN 210482097 U CN210482097 U CN 210482097U
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- anchor cable
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- piles
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- 230000001681 protective effect Effects 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 238000004873 anchoring Methods 0.000 claims abstract description 14
- 239000002689 soil Substances 0.000 claims abstract description 5
- 239000011435 rock Substances 0.000 abstract description 14
- 239000004575 stone Substances 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 11
- 230000002787 reinforcement Effects 0.000 description 6
- 239000010920 waste tyre Substances 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 3
- 238000009432 framing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a high cantilever falling rocks protective structure to effective increase protection height improves the protection energy level, and provides convenient condition for cleaing away the interception falling rocks, and efficiency of construction is high, easy operation, effectively solves the tradition and blocks not enough that the stone wall exists. The method comprises the following steps: the anchoring anchor cables corresponding to the stress piles are arranged in the steep slope foundation, the inner side of the anchoring anchor cable is anchored in a side slope rock-soil body, and the outer side of the anchoring anchor cable is anchored on the part below the ground of the stress pile; the steel upright posts are fixedly arranged at the tops of the stress piles, one end of each tension anchor cable is fixedly connected with the top of the corresponding steel upright post, and the other end of each tension anchor cable is fixedly connected with an anchor cable foundation arranged on the side slope foundation; junked tire and passive protection network, junked tire ligature are fixed in the atress side that the atress stake exposes the ground, and passive protection network is hung to establish and is fixed between adjacent atress stake and between the adjacent steel stand.
Description
Technical Field
The utility model relates to a protection engineering, in particular to high cantilever dangerous rock falling stone blocking structure.
Background
Dangerous rock falling rocks are widely distributed in mountainous areas, the stone blocking retaining wall and the passive protective net are widely applied to practical engineering, the traditional stone blocking retaining wall and the traditional passive protective net are limited in arrangement height, generally not exceeding 8m, and the following problems exist: (1) the protection interception effect of the dangerous rockfall of the steep slope is poor; (2) the stone blocking wall is difficult to construct on a steep slope, the falling stone protection energy level is limited, and the blocking falling stones are difficult to remove; (3) after the height of the passive protective net is increased, the protective energy level is limited, the upright post is easy to damage, the pressure reducing ring is difficult to replace, and the intercepted rockfall is difficult to remove; (4) the traditional pile plate structure stone blocking wall is difficult to construct, the investment is large after the length of a reinforced pile is increased, and the blocking falling stones are difficult to clear. After the height of the blocking measures is increased, the problems are changed more remarkably, so that the novel high-cantilever rockfall protection structure and the construction method have important significance, and have the characteristics of convenience in construction, economy, environmental protection, contribution to popularization and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a high cantilever falling rocks protective structure is provided to effective increase protection height improves the protection energy level, and for cleaing away the convenient condition of interception falling rocks, and efficiency of construction is high, easy operation, effectively solves the not enough of traditional stone blocking wall existence.
The utility model provides an above-mentioned technical problem adopted technical scheme as follows:
the utility model discloses a high cantilever falling rocks protective structure, characterized by it includes: the anchoring anchor cables corresponding to the stress piles are arranged in the steep slope foundation, the inner side of the anchoring anchor cable is anchored in a side slope rock-soil body, and the outer side of the anchoring anchor cable is anchored on the part below the ground of the stress pile; the steel upright posts are fixedly arranged at the tops of the stress piles, one end of each tension anchor cable is fixedly connected with the top of the corresponding steel upright post, and the other end of each tension anchor cable is fixedly connected with an anchor cable foundation arranged on the side slope foundation; junked tire and passive protection network, junked tire ligature are fixed in the atress side that the atress stake exposes the ground, and passive protection network is hung to establish and is fixed between adjacent atress stake and between the adjacent steel stand.
The anchoring anchor cable comprises an upper row of anchor cables and a lower row of anchor cables which are vertically arranged at intervals.
The utility model has the advantages that the protection height can be increased by arranging the stress pile and the steel upright post, the protection energy level can be obviously improved by arranging the waste tires on the stress pile, the shock resistance of the stress pile can be increased and the design length of the stress pile can be greatly shortened by arranging a plurality of rows of anchoring anchor cables, the engineering investment is greatly saved, the passive protective net between the stress piles adopts the small-section amplitude setting, the protection effect is not influenced, and the convenient condition can be provided for clearing and intercepting rockfall; the construction method effectively solves the difficult problem of anchor cable reinforcement construction of the stress pile in the slope rock mass and the problem of effective removal of the passive protective net for quick installation, dismantling and interception of falling rocks, has the characteristics of high construction efficiency, simple operation, good economical efficiency, environmental protection and the like, and is beneficial to popularization and application.
Drawings
The specification includes the following two figures:
fig. 1 is a schematic cross-sectional view of a high-cantilever rockfall protection structure of the present invention;
fig. 2 is a front schematic view of a high-cantilever rockfall protection structure of the present invention;
the component names and corresponding labels are shown in the figure: the anchor cable comprises a stressed pile 1, an anchoring anchor cable 2, an upper row of anchor cables 21, a lower row of anchor cables 22, a waste tire 3, a steel upright 4, a passive protective net 5, an anchor cable foundation 6 and a tension anchor cable 7.
Detailed Description
The invention will be further described with reference to the following figures and examples:
referring to fig. 1 and 2, the utility model discloses a high cantilever rockfall protective structure includes: the device comprises stress piles 1 and anchor cables 2, wherein the stress piles 1 are arranged on an intercepting protection slope surface at intervals, the anchor cables 2 corresponding to the stress piles 1 are arranged in a steep slope foundation, the inner side of each anchor cable is anchored in a slope rock-soil body, and the outer side of each anchor cable is anchored at a part below the ground of the stress pile 1; the steel upright posts 4 are fixedly arranged at the tops of the stress piles 1, one ends of the tension anchor cables 7 are fixedly connected with the tops of the corresponding steel upright posts 4, and the other ends of the tension anchor cables 7 are fixedly connected with anchor cable foundations 6 arranged on the side slope foundation; junked tire 3 and passive protection network 5, junked tire 3 ligature are fixed in the atress side that atress stake 1 exposes ground, and passive protection network 5 is hung to establish and is fixed between adjacent atress stake 1 and between adjacent steel stand 4.
Referring to fig. 1, the utility model discloses a set up atress stake 1 and steel stand 4 and can increase the protection height, the atress side of atress stake 1 sets up junked tire and can obviously improve the protection energy level. The anchoring anchor cables 2 comprise upper rows of anchor cables 21 and lower rows of anchor cables 22 which are vertically arranged at intervals, the shock resistance of the anchoring anchor cables can be improved and the design length of the anchoring anchor cables can be greatly shortened by arranging a plurality of rows of anchoring anchor cables, and the engineering investment is greatly saved; the passive protective net among the stress piles 1 is arranged in a small section amplitude division mode, the protective effect is not influenced, and convenient conditions can be provided for clearing and intercepting rockfall.
The distance between the stress piles 1 is generally 6-10 m. The steel upright 4 is generally set to a height of 3-6 m.
Referring to fig. 1 and 2, the utility model relates to a construction method of high cantilever rockfall protective structure, including the following steps:
①, positioning the slope, excavating a pile well foundation pit of the stressed pile 1 in sections, and timely arranging a locking retaining wall until the pile bottom elevation of the stressed pile 1;
② constructing anchor cable drill holes on slope surface of the side slope, the drill holes passing through the retaining wall of the stressed pile 1 and entering the designed position of the inner rock-soil mass;
③ driving high-pressure steel pipes into the anchor cable drill holes in the range of 1-2m from the slope surface of the side slope to the inner side of the side protecting wall of the stressed pile 1 against the mountain;
④, placing the anchor cable 2 on the slope surface to the bottom of the hole, grouting the anchor cable by using a high-pressure grouting machine to form an anchor section of the anchor cable 2, and stretching and locking the anchor cable on the slope surface after the strength of the anchor section reaches 90%;
⑤ cutting off the high-pressure steel pipe in the pile well by a cutter, taking out, removing the grouting body, and exposing the free section of the anchor cable 2;
⑥ locking free sections of anchor cables 2 on the retaining walls on the side of the backer, cutting off the free sections of the anchor cables at the outer sides of the retaining walls, and dismantling the anchor cable locking structure on the slope;
⑦ binding a reinforcement cage of the stressed pile 1, placing the reinforcement cage into a pile well, and tensioning, binding and fixing the free section of the anchor cable in the pile well and a main reinforcement of the reinforcement cage;
⑧ pouring concrete of the stressed pile 1, embedding a threaded steel bar at the pile top, embedding a connecting steel bar at the center of the stressed pile 1 at intervals in the vertical direction, and galvanizing the exposed parts of the threaded steel bar and the connecting steel bar for corrosion prevention;
⑨ installing steel upright posts 4 on the top of the stressed pile 1, and fixing the steel upright posts through embedded threaded steel bars;
⑩ constructing an anchor cable foundation 6, after the design strength reaches 50%, fixing a tension anchor cable 7 at the top of the steel upright post 4, slightly pulling and tensioning the tension anchor cable 7 and fixedly connecting the tension anchor cable 7 with the anchor cable foundation 6;
⑾ installing passive protective nets 5 between adjacent steel upright posts 4 in a framing manner;
⑿ the passive protective net 5 is installed on the connecting steel bars of the stressed pile 1 in a framing manner by separating piles, and the waste tires 3 are bound on the connecting steel bars of the stressed pile 1.
When the blocked dangerous rocks and falling rocks are removed, the waste tires 3 are dismantled, the passive protective nets 5 near the stone blocking piles are taken down for framing, and the passive protective nets 5 and the waste tires 3 are reinstalled after the stone blocking is removed.
The construction method effectively solves the difficult problem of anchor cable reinforcement construction of the stress pile in the slope rock mass and the problem of effective removal of the passive protective net for quick installation, dismantling and interception of falling rocks, has the characteristics of high construction efficiency, simple operation, good economical efficiency, environmental protection and the like, and is beneficial to popularization and application.
The above description is only used for illustrating some principles of the high-suspension-arm rockfall protection structure of the present invention, and it is not intended to limit the present invention to the application range shown and described, so all the corresponding modifications and equivalents that may be utilized all belong to the patent scope applied by the present invention.
Claims (4)
1. The utility model provides a high cantilever rockfall protective structure, its characterized in that includes: the device comprises stress piles (1) and anchor cables (2), wherein the stress piles (1) are arranged on an intercepting protection slope surface at intervals, the anchor cables (2) corresponding to the stress piles (1) are arranged in a steep slope foundation, the inner side of each anchor cable is anchored in a slope rock-soil body, and the outer side of each anchor cable is anchored on a part below the ground of the stress pile (1); the steel upright posts (4) are fixedly arranged at the tops of the stress piles (1), one ends of the tension anchor cables (7) are fixedly connected with the tops of the corresponding steel upright posts (4), and the other ends of the tension anchor cables (7) are fixedly connected with anchor cable foundations (6) arranged on the side slope foundation; junked tire (3) and passive protection network (5), junked tire (3) ligature is fixed in the atress side that atress stake (1) exposes ground, and passive protection network (5) are hung to establish and are fixed between adjacent atress stake (1) and between adjacent steel stand (4).
2. A high cantilever rockfall protection structure according to claim 1, wherein: the anchoring anchor cable (2) comprises an upper row of anchor cables (21) and a lower row of anchor cables (22) which are vertically arranged at intervals.
3. A high cantilever rockfall protection structure according to claim 1, wherein: the distance between the stress piles (1) is 6-10 m.
4. A high cantilever rockfall protection structure according to claim 1, wherein: the height of the steel upright post (4) is 3-6 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920809337.5U CN210482097U (en) | 2019-05-30 | 2019-05-30 | High cantilever rockfall protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920809337.5U CN210482097U (en) | 2019-05-30 | 2019-05-30 | High cantilever rockfall protective structure |
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| Publication Number | Publication Date |
|---|---|
| CN210482097U true CN210482097U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920809337.5U Expired - Fee Related CN210482097U (en) | 2019-05-30 | 2019-05-30 | High cantilever rockfall protective structure |
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| CN (1) | CN210482097U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158497A (en) * | 2019-05-30 | 2019-08-23 | 中铁二院工程集团有限责任公司 | A kind of high cantilever rock-fall protection structure and construction method |
| CN114108709A (en) * | 2021-10-12 | 2022-03-01 | 东南大学 | A kind of Pi sandstone slope erosion monitoring method |
| CN114134833A (en) * | 2021-12-03 | 2022-03-04 | 广州市设计院集团有限公司 | Stone blocking net foundation device, stone blocking net system and construction method |
-
2019
- 2019-05-30 CN CN201920809337.5U patent/CN210482097U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158497A (en) * | 2019-05-30 | 2019-08-23 | 中铁二院工程集团有限责任公司 | A kind of high cantilever rock-fall protection structure and construction method |
| CN114108709A (en) * | 2021-10-12 | 2022-03-01 | 东南大学 | A kind of Pi sandstone slope erosion monitoring method |
| CN114108709B (en) * | 2021-10-12 | 2023-08-22 | 东南大学 | A method for monitoring erosion of arsenic sandstone slopes |
| CN114134833A (en) * | 2021-12-03 | 2022-03-04 | 广州市设计院集团有限公司 | Stone blocking net foundation device, stone blocking net system and construction method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200508 |
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| CF01 | Termination of patent right due to non-payment of annual fee |