CN110258371B - Shed tunnel with falling-stone impact resistant energy dissipation pad and falling-stone impact resistant energy dissipation pad - Google Patents
Shed tunnel with falling-stone impact resistant energy dissipation pad and falling-stone impact resistant energy dissipation pad Download PDFInfo
- Publication number
- CN110258371B CN110258371B CN201910599012.3A CN201910599012A CN110258371B CN 110258371 B CN110258371 B CN 110258371B CN 201910599012 A CN201910599012 A CN 201910599012A CN 110258371 B CN110258371 B CN 110258371B
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- energy dissipation
- base layer
- cover plate
- bottle
- spring
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- 230000021715 photosynthesis, light harvesting Effects 0.000 title claims abstract description 107
- 239000004575 stone Substances 0.000 title claims abstract description 20
- 239000011159 matrix material Substances 0.000 claims description 20
- 239000011435 rock Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buffer Packaging (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a shed tunnel with an anti-falling stone impact energy dissipation pad and the anti-falling stone impact energy dissipation pad, which comprise a shed tunnel built on a mountain-by-mountain highway, wherein the top surface of the shed tunnel is provided with the anti-falling stone impact energy dissipation pad; the falling stone impact resistant energy dissipation pad consists of a base layer, a plurality of energy dissipation bottles, a plurality of springs and a cover plate; the base layer, the energy dissipation bottle, the spring and the cover plate are all prefabricated parts; the beneficial technical effects of the invention are as follows: the shed tunnel with the falling-stone-impact-resistant energy dissipation pad and the falling-stone-impact-resistant energy dissipation pad are provided, the protection effect can be effectively improved by the scheme, and the shed tunnel is particularly suitable for being transformed and upgraded in service.
Description
Technical Field
The invention relates to a mountain road protection technology, in particular to a shed tunnel with an anti-rockfall impact energy dissipation pad and the anti-rockfall impact energy dissipation pad.
Background
The highway mileage in mountain areas of China is long, and a large number of sections with frequent collapse rockfall disasters exist; in order to ensure the traffic safety of mountain roads, shed tunnels are generally built on the mountain roads to defend collapse rockfall disasters in the prior art; in order to improve the protection performance of the shed tunnel, an energy dissipation structure is generally required to be arranged on the shed tunnel to absorb or consume the impact energy of falling rocks, and the typical structure is ' an energy dissipation shed tunnel and an energy dissipation support thereof ' (No. 201010242005.7 Chinese patent) '; there are problems in that: most of the existing energy dissipation structure schemes are only suitable for setting in the process of building a new shed tunnel and cannot be used for in-service shed tunnel transformation.
Disclosure of Invention
Aiming at the problems in the background art, the invention provides an anti-rockfall impact energy dissipation pad for protecting the top of a shed tunnel, which is innovative in that: the falling stone impact resistant energy dissipation pad consists of a base layer, a plurality of energy dissipation bottles, a plurality of springs and a cover plate;
the energy dissipation bottle is a bottle-shaped structure body with the diameter of the upper end smaller than that of the lower end and the middle part bulging outwards; the energy dissipation bottle is arranged on the upper side surface of the base layer, and the bottom of the energy dissipation bottle is fixedly connected with the base layer; a plurality of energy dissipation bottles are distributed in a matrix form;
the cover plate is arranged above the base layer, is parallel to the base layer and is provided with a plurality of through holes; the upper end of the energy dissipation bottle is sleeved in the through hole and fixed, and the through holes correspond to the energy dissipation bottles one by one;
the spring is arranged between the base layer and the cover plate, the axial direction of the spring is vertical to the upper side face of the base layer, the lower end of the spring is fixedly connected with the base layer, and the upper end of the spring is fixedly connected with the cover plate; a plurality of springs are distributed in a matrix form;
a spring is arranged between two adjacent energy dissipation bottles in the diagonal direction of the matrix; an energy dissipation bottle is arranged between two springs which are adjacent in the diagonal direction of the matrix;
the base layer, the energy dissipation bottle and the cover plate are all made of polyester materials; the thickness of the base layer is greater than that of the cover plate.
Based on the scheme, the invention also provides a shed tunnel with an anti-rockfall impact energy dissipation pad, which comprises a shed tunnel built on a mountain road, and is characterized in that: the top surface of the shed tunnel is provided with an anti-rockfall impact energy dissipation pad;
the structure of the falling-stone impact resistant energy dissipation pad is as described above; the base layer, the energy dissipation bottle, the spring and the cover plate which form the falling-stone impact resistant energy dissipation pad are prefabricated parts; the base layer is arranged on the top surface of the shed tunnel, and the energy dissipation bottle, the spring and the cover plate are arranged on the base layer according to the scheme.
The principle of the invention is as follows: when falling rocks fall, the energy dissipation bottle is of a hollow structure, compressed air around the lower side face of the falling rocks can be absorbed by the energy dissipation bottle, so that impact energy caused by the falling rocks is weakened, the base layer, the energy dissipation bottle and the cover plate are all made of polyester materials, the base layer, the energy dissipation bottle and the cover plate have good deformation capacity, after the falling rocks are contacted with the falling rocks impact resistant energy dissipation pad, the base layer, the energy dissipation bottle, the spring and the cover plate can have an absorption effect on impact force of the falling rocks, and after the falling rocks impact is finished, the spring can jack the cover plate, so that the energy dissipation bottle is restored to deform and continues to be contacted with next falling rocks impact as soon as possible; due to the arrangement of the energy dissipation bottle, the energy absorption effect of the elastic cushion layer structure can be achieved, the part caused by compressed air in the impact action can be weakened, and the impact resistance of the protective structure is improved; in addition, the base layer, the energy dissipation bottle, the spring and the cover plate which form the falling-stone impact resistant energy dissipation pad can be manufactured in advance in a factory and then assembled into the falling-stone impact resistant energy dissipation pad on site, so that the falling-stone impact resistant energy dissipation pad is particularly suitable for modifying in-service hangways, and the modification construction is very simple.
The beneficial technical effects of the invention are as follows: the shed tunnel with the falling-stone-impact-resistant energy dissipation pad and the falling-stone-impact-resistant energy dissipation pad are provided, the protection effect can be effectively improved by the scheme, and the shed tunnel is particularly suitable for being transformed and upgraded in service.
Drawings
FIG. 1 is a schematic view of a cross-sectional structure of an anti-rock fall impact energy dissipation pad;
FIG. 2 is a schematic view of the top of the anti-falling rock impact energy dissipation pad (in the figure, a plurality of dotted line frames are the arrangement positions of a plurality of springs, and are not visible in the actual appearance);
the names corresponding to each mark in the figure are respectively: base level 1, energy dissipation bottle 2, spring 3, apron 4.
Detailed Description
The utility model provides an anti falling rock impact energy dissipation pad for protection of shed tunnel top, its innovation lies in: the falling stone impact resistant energy dissipation pad consists of a base layer 1, a plurality of energy dissipation bottles 2, a plurality of springs 3 and a cover plate 4;
the energy dissipation bottle 2 is a bottle-shaped structure body with the diameter of the upper end smaller than that of the lower end and the middle part bulging outwards; the energy dissipation bottle 2 is arranged on the upper side surface of the base layer 1, and the bottom of the energy dissipation bottle 2 is fixedly connected with the base layer 1; a plurality of energy dissipation bottles 2 are distributed in a matrix form;
the cover plate 4 is arranged above the base layer 1, the cover plate 4 is parallel to the base layer 1, and a plurality of through holes are formed in the cover plate 4; the upper end of the energy dissipation bottle 2 is sleeved in the through hole and fixed, and the through holes correspond to the energy dissipation bottles 2 one by one;
the spring 3 is arranged between the base layer 1 and the cover plate 4, the axial direction of the spring 3 is vertical to the upper side surface of the base layer 1, the lower end of the spring 3 is fixedly connected with the base layer 1, and the upper end of the spring 3 is fixedly connected with the cover plate 4; a plurality of springs 3 are distributed in a matrix form;
a spring 3 is arranged between two adjacent energy dissipation bottles 2 in the diagonal direction of the matrix; an energy dissipation bottle 2 is arranged between two adjacent springs 3 in the diagonal direction of the matrix;
the base layer 1, the energy dissipation bottle 2 and the cover plate 4 are all made of polyester materials; the thickness of the base layer 1 is greater than that of the cover plate 4.
The utility model provides a take shed tunnel of anti falling stone impact energy dissipation pad, includes the shed tunnel of building on mountain-by-mountain highway, and its innovation lies in: the top surface of the shed tunnel is provided with an anti-rockfall impact energy dissipation pad;
the falling stone impact resistant energy dissipation pad consists of a base layer 1, a plurality of energy dissipation bottles 2, a plurality of springs 3 and a cover plate 4; the base layer 1, the energy dissipation bottle 2, the spring 3 and the cover plate 4 are all prefabricated parts;
the base layer 1 is arranged on the top surface of the shed tunnel; the energy dissipation bottle 2 is a bottle-shaped structure body with the diameter of the upper end smaller than that of the lower end and the middle part bulging outwards; the energy dissipation bottle 2 is arranged on the upper side surface of the base layer 1, and the bottom of the energy dissipation bottle 2 is fixedly connected with the base layer 1; a plurality of energy dissipation bottles 2 are distributed in a matrix form;
the cover plate 4 is arranged above the base layer 1, the cover plate 4 is parallel to the base layer 1, and a plurality of through holes are formed in the cover plate 4; the upper end of the energy dissipation bottle 2 is sleeved in the through hole and fixed, and the through holes correspond to the energy dissipation bottles 2 one by one;
the spring 3 is arranged between the base layer 1 and the cover plate 4, the axial direction of the spring 3 is vertical to the upper side surface of the base layer 1, the lower end of the spring 3 is fixedly connected with the base layer 1, and the upper end of the spring 3 is fixedly connected with the cover plate 4; a plurality of springs 3 are distributed in a matrix form;
a spring 3 is arranged between two adjacent energy dissipation bottles 2 in the diagonal direction of the matrix; an energy dissipation bottle 2 is arranged between two adjacent springs 3 in the diagonal direction of the matrix;
the base layer 1, the energy dissipation bottle 2 and the cover plate 4 are all made of polyester materials; the thickness of the base layer 1 is greater than that of the cover plate 4.
Claims (2)
1. The utility model provides an anti falling rock impact energy dissipation pad for protection of shed tunnel top which characterized in that: the falling-stone impact resistant energy dissipation pad consists of a base layer (1), a plurality of energy dissipation bottles (2), a plurality of springs (3) and a cover plate (4);
the energy dissipation bottle (2) is a bottle-shaped structure body with the diameter of the upper end smaller than that of the lower end and the middle part bulging outwards; the energy dissipation bottle (2) is arranged on the upper side surface of the base layer (1), and the bottom of the energy dissipation bottle (2) is fixedly connected with the base layer (1); the plurality of energy dissipation bottles (2) are distributed in a matrix form; the energy dissipation bottle (2) is of a hollow structure;
the cover plate (4) is arranged above the base layer (1), the cover plate (4) is parallel to the base layer (1), and a plurality of through holes are formed in the cover plate (4); the upper end of the energy dissipation bottle (2) is sleeved in the through hole and fixed, and the through holes correspond to the energy dissipation bottles (2) one by one;
the spring (3) is arranged between the base layer (1) and the cover plate (4), the axial direction of the spring (3) is vertical to the upper side face of the base layer (1), the lower end of the spring (3) is fixedly connected with the base layer (1), and the upper end of the spring (3) is fixedly connected with the cover plate (4); a plurality of springs (3) are distributed in a matrix form;
a spring (3) is arranged between two adjacent energy dissipation bottles (2) in the diagonal direction of the matrix; an energy dissipation bottle (2) is arranged between two springs (3) which are adjacent in the diagonal direction of the matrix;
the base layer (1), the energy dissipation bottle (2) and the cover plate (4) are all made of polyester materials; the thickness of the base layer (1) is larger than that of the cover plate (4).
2. The utility model provides a take shed tunnel of anti falling stone impact energy dissipation pad, includes the shed tunnel of building on mountain highway, its characterized in that of the setting up: the top surface of the shed tunnel is provided with an anti-rockfall impact energy dissipation pad;
the falling-stone impact resistant energy dissipation pad consists of a base layer (1), a plurality of energy dissipation bottles (2), a plurality of springs (3) and a cover plate (4); the base layer (1), the energy dissipation bottle (2), the spring (3) and the cover plate (4) are all prefabricated parts;
the base layer (1) is arranged on the top surface of the shed tunnel; the energy dissipation bottle (2) is a bottle-shaped structure body with the diameter of the upper end smaller than that of the lower end and the middle part bulging outwards; the energy dissipation bottle (2) is arranged on the upper side surface of the base layer (1), and the bottom of the energy dissipation bottle (2) is fixedly connected with the base layer (1); the plurality of energy dissipation bottles (2) are distributed in a matrix form; the energy dissipation bottle (2) is of a hollow structure;
the cover plate (4) is arranged above the base layer (1), the cover plate (4) is parallel to the base layer (1), and a plurality of through holes are formed in the cover plate (4); the upper end of the energy dissipation bottle (2) is sleeved in the through hole and fixed, and the through holes correspond to the energy dissipation bottles (2) one by one;
the spring (3) is arranged between the base layer (1) and the cover plate (4), the axial direction of the spring (3) is vertical to the upper side face of the base layer (1), the lower end of the spring (3) is fixedly connected with the base layer (1), and the upper end of the spring (3) is fixedly connected with the cover plate (4); a plurality of springs (3) are distributed in a matrix form;
a spring (3) is arranged between two adjacent energy dissipation bottles (2) in the diagonal direction of the matrix; an energy dissipation bottle (2) is arranged between two springs (3) which are adjacent in the diagonal direction of the matrix;
the base layer (1), the energy dissipation bottle (2) and the cover plate (4) are all made of polyester materials; the thickness of the base layer (1) is larger than that of the cover plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910599012.3A CN110258371B (en) | 2019-07-04 | 2019-07-04 | Shed tunnel with falling-stone impact resistant energy dissipation pad and falling-stone impact resistant energy dissipation pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910599012.3A CN110258371B (en) | 2019-07-04 | 2019-07-04 | Shed tunnel with falling-stone impact resistant energy dissipation pad and falling-stone impact resistant energy dissipation pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110258371A CN110258371A (en) | 2019-09-20 |
| CN110258371B true CN110258371B (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910599012.3A Expired - Fee Related CN110258371B (en) | 2019-07-04 | 2019-07-04 | Shed tunnel with falling-stone impact resistant energy dissipation pad and falling-stone impact resistant energy dissipation pad |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114606855A (en) * | 2022-04-26 | 2022-06-10 | 四川省公路规划勘察设计研究院有限公司 | Fabricated pier anti-collision buffer device and construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204940145U (en) * | 2015-08-14 | 2016-01-06 | 杨以德 | Promote the gear falling rocks steel rim of spring structure of dissipating functions |
| CN107044094A (en) * | 2017-05-27 | 2017-08-15 | 陕西中咨土木工程技术研究院有限公司 | A kind of tunnel face rockfall multistage protection method and its structure |
| CN207277368U (en) * | 2017-01-10 | 2018-04-27 | 吉林大学 | The anti-collapse rock-fall assembled spring energy dissipating bed course safeguard structure in canopy cave cave top |
| CN108035267A (en) * | 2018-01-06 | 2018-05-15 | 中国科学院、水利部成都山地灾害与环境研究所 | Collapse casing vibration absorber, falling rocks vibration damping hangar tunnel, design method |
| CN109183639A (en) * | 2018-09-29 | 2019-01-11 | 吴帆 | A kind of shed hole structure and its construction method of flexible structural layer |
-
2019
- 2019-07-04 CN CN201910599012.3A patent/CN110258371B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204940145U (en) * | 2015-08-14 | 2016-01-06 | 杨以德 | Promote the gear falling rocks steel rim of spring structure of dissipating functions |
| CN207277368U (en) * | 2017-01-10 | 2018-04-27 | 吉林大学 | The anti-collapse rock-fall assembled spring energy dissipating bed course safeguard structure in canopy cave cave top |
| CN107044094A (en) * | 2017-05-27 | 2017-08-15 | 陕西中咨土木工程技术研究院有限公司 | A kind of tunnel face rockfall multistage protection method and its structure |
| CN108035267A (en) * | 2018-01-06 | 2018-05-15 | 中国科学院、水利部成都山地灾害与环境研究所 | Collapse casing vibration absorber, falling rocks vibration damping hangar tunnel, design method |
| CN109183639A (en) * | 2018-09-29 | 2019-01-11 | 吴帆 | A kind of shed hole structure and its construction method of flexible structural layer |
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| CN110258371A (en) | 2019-09-20 |
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