CN110158498B - Construction method of elastic passive protective net upright post structure - Google Patents
Construction method of elastic passive protective net upright post structure Download PDFInfo
- Publication number
- CN110158498B CN110158498B CN201910465624.3A CN201910465624A CN110158498B CN 110158498 B CN110158498 B CN 110158498B CN 201910465624 A CN201910465624 A CN 201910465624A CN 110158498 B CN110158498 B CN 110158498B
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- foundation
- fixed
- upright post
- protective net
- net upright
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- 230000001681 protective effect Effects 0.000 title claims abstract description 61
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 239000004567 concrete Substances 0.000 claims description 17
- 238000005260 corrosion Methods 0.000 claims description 9
- 238000005553 drilling Methods 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 claims description 2
- 239000011435 rock Substances 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
- E01F7/045—Devices specially adapted for protecting against falling rocks, e.g. galleries, nets, rock traps
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The construction method of the elastic passive protective net upright post structure is used for realizing that the protective net upright post can deform along each direction of a fixed foundation, thereby avoiding stress concentration damage of the upright post and being convenient to construct. Including fixing the protection network stand on the ground, protection network stand below sets up the fixed foundation of lower part buries in the ground, and the protection network stand is located on the diapire of fixed foundation, and sets up the fixed anchor rope that extends along protection network stand axis, and the lower part anchor of this fixed anchor rope is in the ground, and upper portion passes the bottom of fixed foundation and gets into in connecting the protection network stand, and forms the anchor with the protection network stand through the hasp to be connected. Elastic components which are tightly pressed and connected with the fixed foundation upright wall and the protective net upright column peripheral wall are arranged at intervals in the peripheral direction in the space between the fixed foundation upright wall and the protective net upright column peripheral wall.
Description
Technical Field
The invention relates to protection engineering, in particular to a construction method of an elastic passive protection net upright post structure.
Background
Dangerous rock falling rocks are widely distributed in mountain areas, a large number of passive protective nets are applied in actual engineering, the traditional passive nets are fixed by supporting columns, the supporting columns are usually fixed by bolts, the columns can move up and down at most, but are difficult to rotate along the direction of hanging nets, and when large dangerous rock falling rocks are intercepted or small dangerous rock falling rocks are directly smashed on the columns, the columns are easy to form stress concentration and damage along the direction of hanging nets, so that the whole passive protective net system is invalid. Therefore, the novel passive protective net upright post structure and the construction method have important significance, and the novel passive protective net upright post structure has the characteristics of multidirectional rotation, convenient construction, economy, environmental protection, popularization benefit and the like.
Disclosure of Invention
The invention aims to solve the technical problem of providing a construction method of an elastic passive protective net upright post structure so as to realize that the protective net upright post can deform along each direction of a fixed foundation, thereby avoiding stress concentration damage of the upright post and being convenient to construct.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention relates to a construction method of an elastic passive protective net upright post structure, which comprises a protective net upright post fixed on a foundation, wherein a fixed foundation with the lower part buried in the foundation is arranged below the protective net upright post; elastic components which are tightly pressed and connected with the fixed foundation upright wall and the protective net upright column peripheral wall are arranged at intervals in the circumferential direction in the space between the fixed foundation upright wall and the protective net upright column peripheral wall;
the top of the fixed foundation is exposed out of the ground line to a certain height, the cross section of the fixed foundation is circular, the vertical wall is of a reinforced concrete structure, the bottom of the fixed foundation is sealed by plain concrete, and the height of the vertical wall is calculated and determined according to the stability of the upright post of the protective net;
the section of the protective net upright post in the fixed foundation adopts a cylindrical structure, and the lower part of the protective net upright post is provided with a mounting hole leading to the lock catch position from a peripheral wall;
the elastic rigidity of the elastic member meets the requirement of the support stability of the upright post of the protective net, and an elastic sealing structure is made of an elastomer and an elastic material;
the part of the fixed anchor cable exposed above the bottom of the fixed foundation is attached with an anti-corrosion treatment layer;
the construction method comprises the following steps:
(1) positioning a plane and excavating a fixed foundation pit;
(2) pouring plain concrete for fixing the bottom wall of the foundation, and inserting an upright PVC pipe into the center of the concrete at the bottom of the fixed foundation;
(3) binding a reinforcement cage for fixing a foundation vertical wall after the plain concrete at the bottom of the fixed foundation reaches 75% of the strength, putting the reinforcement cage into a foundation pit, and standing a mould to cast concrete;
(4) after the concrete of the fixed foundation vertical wall reaches 75% of the strength, adopting a geological drilling rig to penetrate through a PVC pipe at the bottom of the fixed foundation to carry out fixed anchor cable drilling construction;
(5) placing the manufactured non-anti-corrosion end of the fixed anchor cable into a drill hole, and performing grouting construction on the fixed anchor cable in the foundation;
(6) the anti-corrosion exposed end of the fixed anchor cable passes through a through hole in the center of the bottom of the stand column of the protective net and is pulled out from an outlet at the lower end of the stand column of the protective net;
(7) the upright posts of the protective net are vertical, elastic members are pressed into the periphery of the inner side of the fixed foundation, and the elastic members are tightly pressed and connected with the upright wall of the fixed foundation and the peripheral wall of the upright posts;
(8) and tensioning and fixing the anchor cable, locking the upper end of the anchor cable through the lock catch, cutting off redundant exposed sections, and sealing the mounting hole.
The invention has the beneficial effects that the upper structure is fixed by utilizing the interaction of the fixed foundation and the foundation, the upright supporting force is provided for the upright post of the protective net, and the fixed anchor cable is of a flexible structure and is connected with the upright post of the protective net, so that the upright post of the protective net can deflect and deform and can always provide tensile force; the elastic component is tightly connected with the fixed foundation and the protective net upright post, so that the protective net upright post can be erected, when the protective net upright post deflects and deforms, the elastic component can provide deformation space for the protective net upright post, and has the function of enabling the protective net upright post to restore to be erected, so that the protective net upright post is not easy to damage; because the protection network upright post can deform along each direction of the fixed foundation, the protection network upright post is prevented from being damaged by stress concentration, and the protection network upright post has the characteristics of convenience in construction, economy, environmental protection, contribution to popularization and the like.
Drawings
The specification includes the following two drawings:
FIG. 1 is an elevation view of a resilient passive guard net post structure;
FIG. 2 is a cross-sectional view taken along line B-B of FIG. 1;
the component names and corresponding labels are shown: the device comprises a fixed foundation 1, fixed anchor cables 2, a protective net upright post 3, an elastic member 4, a lock catch 5, a mounting hole 6 and a ground line A.
Description of the embodiments
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1 and 2, an elastic passive protection net upright post structure comprises a protection net upright post 3 fixed on a foundation, wherein a fixed foundation 1 with the lower part buried in the foundation is arranged below the protection net upright post 3, the protection net upright post 3 is located on the bottom wall of the fixed foundation 1 and is provided with a fixed anchor rope 2 extending along the axis of the protection net upright post 3, the lower part of the fixed anchor rope 2 is anchored in the foundation, the upper part of the fixed anchor rope passes through the bottom of the fixed foundation 1 to enter and connect the protection net upright post 3, and an anchoring connection is formed between the lock catch 5 and the protection net upright post 3. Elastic members 4 closely pressed and connected with the fixed foundation 1 are arranged at intervals in the circumferential direction in the space between the vertical wall of the fixed foundation and the peripheral wall of the protective net upright 3.
Referring to fig. 1, the invention utilizes the interaction of a fixed foundation 1 and a foundation to fix an upper structure, provides vertical supporting force for a protective net upright post 3, and a fixed anchor rope 2 is of a flexible structure and is connected with the protective net upright post 3 so that the protective net upright post 3 can deflect and deform and can always provide tensile force. The elastic component 4 is closely connected with the fixed foundation 1 and the protective net upright post 3, so that the protective net upright post 3 can be erected, when the protective net upright post 3 deflects and deforms, the elastic component 4 can provide deformation space for the protective net upright post 3 and has the function of enabling the protective net upright post 3 to restore to be erected, and the protective net upright post 3 is not easy to damage. Since the guard net upright posts 3 can deform along each direction of the fixed foundation 1, the guard net upright posts 3 are prevented from being damaged due to stress concentration,
referring to fig. 1, the top of the fixed foundation 1 has a certain height with an exposed surface line a, the cross section of the fixed foundation is circular, the vertical wall is in a reinforced concrete structure, the bottom of the fixed foundation is sealed by plain concrete, and the height of the vertical wall is calculated and determined according to the stability of the upright post 3 of the protective net. The elastic rigidity of the elastic member 4 meets the requirement of the support stability of the protection net upright post 3, and an elastic sealing structure is made of an elastomer and an elastic material. The part of the fixed anchor cable 2 exposed above the bottom of the fixed foundation 1 is attached with an anti-corrosion treatment layer.
Referring to fig. 2, the cross section of the protection net upright post 3 in the fixed foundation 1 adopts a cylindrical structure, and a mounting hole 6 leading to the lock catch 5 position from a peripheral wall is arranged at the lower part of the protection net upright post.
The invention relates to a construction method of an elastic passive protective net upright post structure, which comprises the following steps:
(1) positioning and excavating a foundation pit of a fixed foundation 1 on a plane;
(2) pouring plain concrete of the bottom wall of the fixed foundation 1, and inserting a vertical PVC pipe into the center of the concrete at the bottom of the fixed foundation 1;
(3) binding a reinforcement cage for fixing the vertical wall of the foundation 1 after the plain concrete at the bottom of the foundation 1 reaches 75% of strength, putting the reinforcement cage into a foundation pit, and standing a mould to cast concrete;
(4) after the concrete of the vertical wall of the fixed foundation 1 reaches 75% of the strength, adopting a geological drilling rig to penetrate through a PVC pipe at the bottom of the fixed foundation 1 to carry out drilling construction of the fixed anchor cable 2;
(5) placing the non-anti-corrosion end of the manufactured fixed anchor cable 2 into a drill hole, and performing grouting construction on the fixed anchor cable 2 in a foundation;
(6) the anti-corrosion exposed end of the fixed anchor cable 2 passes through a through hole in the center of the bottom of the protective net upright post 3 and is pulled out from an outlet at the lower end of the protective net upright post 3;
(7) the upright posts 3 of the protective net are vertical, elastic members 4 are pressed into the periphery of the inner side of the fixed foundation 1, and the elastic members 4 are tightly pressed and connected with the upright walls of the fixed foundation 1 and the peripheral walls of the upright posts 3;
(8) and tensioning and fixing the anchor cable 2, locking the upper end of the anchor cable 2 through the lock catch 5, cutting off redundant exposed sections, and sealing the mounting hole 6.
The foregoing is intended to illustrate only some of the principles of the construction method of an elastic passive protection network upright post structure of the present invention, and is not intended to limit the invention to the application scope shown and described, so that all possible modifications and equivalents thereof fall within the scope of the invention as claimed.
Claims (1)
1. The construction method of the elastic passive protective net upright post structure comprises a protective net upright post (3) fixed on a foundation, wherein a fixed foundation (1) with the lower part buried in the foundation is arranged below the protective net upright post (3), the protective net upright post (3) is located on the bottom wall of the fixed foundation (1), a fixed anchor rope (2) extending along the axis of the protective net upright post (3) is arranged, the lower part of the fixed anchor rope (2) is anchored in the foundation, the upper part of the fixed anchor rope penetrates through the bottom of the fixed foundation (1) to enter the protective net upright post (3) to be connected, and an anchoring connection is formed between the fixed anchor rope and the protective net upright post (3) through a lock catch (5); elastic components (4) which are tightly pressed and connected with the fixed foundation (1) are arranged in the space between the vertical wall of the fixed foundation and the peripheral wall of the protective net upright post (3) at intervals along the circumferential direction;
the top end of the fixed foundation (1) is exposed out of the ground line (A) to a certain height, the cross section of the fixed foundation is circular, the vertical wall is of a reinforced concrete structure, the bottom of the fixed foundation is sealed by plain concrete, and the height of the vertical wall is calculated and determined according to the stability of the protection net upright post (3);
the section of the protective net upright post (3) in the fixed foundation (1) adopts a cylindrical structure, and the lower part of the protective net upright post is provided with a mounting hole (6) which is communicated with the lock catch (5) through a peripheral wall;
the elastic rigidity of the elastic member (4) meets the requirement of supporting stability of the protection net upright post (3), and an elastic sealing structure is made of an elastomer and an elastic material;
the part of the fixed anchor cable (2) exposed above the bottom of the fixed foundation (1) is attached with an anti-corrosion treatment layer;
the construction method comprises the following steps:
(1) positioning and excavating a foundation pit of a fixed foundation (1) on a plane;
(2) pouring plain concrete of the bottom wall of the fixed foundation (1), and inserting a vertical PVC pipe into the concrete center of the bottom of the fixed foundation (1);
(3) binding a reinforcement cage for fixing the vertical wall of the foundation (1) after the plain concrete at the bottom of the foundation (1) reaches 75% of the strength, putting the reinforcement cage into a foundation pit, and standing a mould to cast concrete;
(4) after the concrete of the vertical wall of the fixed foundation (1) reaches 75% of the strength, adopting a geological drilling rig to penetrate through a PVC pipe at the bottom of the fixed foundation (1) to carry out drilling construction of the fixed anchor cable (2);
(5) placing the non-anti-corrosion end of the manufactured fixed anchor cable (2) into a drill hole, and performing grouting construction on the fixed anchor cable (2) in the foundation;
(6) the anti-corrosion exposed end of the fixed anchor cable (2) passes through a through hole in the center of the bottom of the protective net upright post (3) and is pulled out from an outlet at the lower end of the protective net upright post (3);
(7) the protection net upright posts (3) are vertical, elastic members (4) are pressed into the periphery of the inner side of the fixed foundation (1), and the elastic members (4) are tightly pressed and connected with the upright wall of the fixed foundation (1) and the peripheral wall of the upright posts (3);
(8) and tensioning and fixing the anchor cable (2), locking the upper end of the anchor cable (2) through the lock catch (5), cutting off redundant exposed sections, and sealing the mounting hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910465624.3A CN110158498B (en) | 2019-05-30 | 2019-05-30 | Construction method of elastic passive protective net upright post structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910465624.3A CN110158498B (en) | 2019-05-30 | 2019-05-30 | Construction method of elastic passive protective net upright post structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110158498A CN110158498A (en) | 2019-08-23 |
| CN110158498B true CN110158498B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910465624.3A Active CN110158498B (en) | 2019-05-30 | 2019-05-30 | Construction method of elastic passive protective net upright post structure |
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| Country | Link |
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| CN (1) | CN110158498B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110863442B (en) * | 2019-12-10 | 2020-11-10 | 义乌国信土地规划咨询有限公司 | Stope slope rock rolling speed reduction protective facility |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2744729Y (en) * | 2004-12-12 | 2005-12-07 | 关健 | Safety stopping device for incontrollable vehicles |
| JP2011012539A (en) * | 2009-06-03 | 2011-01-20 | Tokyo Seiko Co Ltd | Hybrid anchor and anchor method |
| CN206070542U (en) * | 2016-07-29 | 2017-04-05 | 辽宁大学 | A kind of new stone blocking net Cable Structure for avalanche preventing and treating |
| CN106638340A (en) * | 2016-12-02 | 2017-05-10 | 大连理工大学 | Combined energy dissipation shed frame structure for preventing rockfall of high and steep slope in earthquake region |
| CN107338801A (en) * | 2017-08-07 | 2017-11-10 | 杭州江润科技有限公司 | Prestressing force assembled Complex retaining wall structure and construction method |
| CN109056775A (en) * | 2018-07-27 | 2018-12-21 | 中建五局第三建设有限公司 | Reverse construction method for anti-overturning anchor cable of bearing platform foundation |
| CN109356046A (en) * | 2018-10-31 | 2019-02-19 | 四川路航建设工程有限责任公司 | Grid steel construction keeps off stone walling and construction method |
| CN210946537U (en) * | 2019-05-30 | 2020-07-07 | 中铁二院工程集团有限责任公司 | Elastic passive protective net upright post structure |
-
2019
- 2019-05-30 CN CN201910465624.3A patent/CN110158498B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2744729Y (en) * | 2004-12-12 | 2005-12-07 | 关健 | Safety stopping device for incontrollable vehicles |
| JP2011012539A (en) * | 2009-06-03 | 2011-01-20 | Tokyo Seiko Co Ltd | Hybrid anchor and anchor method |
| CN206070542U (en) * | 2016-07-29 | 2017-04-05 | 辽宁大学 | A kind of new stone blocking net Cable Structure for avalanche preventing and treating |
| CN106638340A (en) * | 2016-12-02 | 2017-05-10 | 大连理工大学 | Combined energy dissipation shed frame structure for preventing rockfall of high and steep slope in earthquake region |
| CN107338801A (en) * | 2017-08-07 | 2017-11-10 | 杭州江润科技有限公司 | Prestressing force assembled Complex retaining wall structure and construction method |
| CN109056775A (en) * | 2018-07-27 | 2018-12-21 | 中建五局第三建设有限公司 | Reverse construction method for anti-overturning anchor cable of bearing platform foundation |
| CN109356046A (en) * | 2018-10-31 | 2019-02-19 | 四川路航建设工程有限责任公司 | Grid steel construction keeps off stone walling and construction method |
| CN210946537U (en) * | 2019-05-30 | 2020-07-07 | 中铁二院工程集团有限责任公司 | Elastic passive protective net upright post structure |
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| CN110158498A (en) | 2019-08-23 |
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