CN106836036A - A kind of elastic energy dissipating tunnel shed hole structure and construction method - Google Patents
A kind of elastic energy dissipating tunnel shed hole structure and construction method Download PDFInfo
- Publication number
- CN106836036A CN106836036A CN201710202022.XA CN201710202022A CN106836036A CN 106836036 A CN106836036 A CN 106836036A CN 201710202022 A CN201710202022 A CN 201710202022A CN 106836036 A CN106836036 A CN 106836036A
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- China
- Prior art keywords
- side foot
- wall
- foot wall
- arch form
- form construct
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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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
Abstract
A kind of elastic energy dissipating tunnel shed hole structure and construction method, effectively to strengthen rockfall prevention effect, and with preferable economy.It includes：Left side foot wall and right side foot wall, are symmetricly set on the ground of road bed both sides along tunnel hangar tunnel bearing of trend interval, and left side foot wall and right side basis coping have trench structure；Arch form construct, is made up of the rectangular configuration of arcuate structure and both sides lower end, and rectangular configuration is located in trench structure；Elastomer, is arranged between the bottom wall of trench structure and the end wall of rectangular configuration；Anchor cable, through elastomer, its two ends is fixedly connected with arch form construct and left side foot wall, right side foot wall respectively；Buffer body, is fixedly installed on arch form construct top.
Description
Technical field
The present invention relates to Geotechnical Engineering, the more particularly to Control Engineering of road engineering rockfall pole development.
Background technology
Southwestern China alpine terrain hardships and dangers, complicated geology, rockfall is extremely developed, and this building and transporting to road engineering
Battalion brings great difficulty.Due to economic and technical reason, mountain area cannot accomplish using the Tunnel Engineering for secretly making to construct come around refuge
There is rockfall, occur in that substantial amounts of roadbed combines rigid tunnel hangar tunnel engineering to solve rockfall preventing and treating in Practical Project
Case.But after the impact energy increase of rockfall, rigid tunnel hangar tunnel engineering faces many problems, its structural thickness and strong
Degree requirement is significantly improved, and one is to cause construction investment very huge, not good enough to high level crag prevention effect in addition.In this feelings
Propose that the good rockfall preventing and treating tunnel shed hole structure of a kind of economy, effect and construction method tool are of great significance under condition
And development prospect.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of elastic energy dissipating tunnel shed hole structure, effectively to strengthen crag
Falling rocks prevention effect, and with preferable economy.
It is as follows using technical scheme that the present invention solves above-mentioned technical problem：
A kind of elastic energy dissipating tunnel shed hole structure of the invention, it is characterized in that it includes：Left side foot wall and right side basis
Wall, is symmetricly set on the ground of road bed both sides along tunnel hangar tunnel bearing of trend interval, left side foot wall and right side foot wall
Top has trench structure；Arch form construct, is made up of the rectangular configuration of arcuate structure and both sides lower end, and rectangular configuration is located at groove
In type structure；Elastomer, is arranged between the bottom wall of trench structure and the end wall of rectangular configuration；Anchor cable, through elastomer, it two
End is fixedly connected with arch form construct and left side foot wall, right side foot wall respectively；Buffer body, is fixedly installed on arch form construct
Top.
Another technical problem to be solved by this invention is to provide a kind of construction of above-mentioned elastic energy dissipating tunnel shed hole structure
Method, the method comprises the following steps：
1. build and complete subgrade engineering, to left side foot wall and right side foot wall plane positioning on road bed；
2. slot on the road bed foot wall and right side foot wall foundation ditch on the left of being formed；
3. colligation connection left side foot wall and right side foot wall reinforcing bar, are fixedly connected left side foot wall and right side foot wall steel
The cage bar and anchor cable in top rib portion；
4. formwork erection pours left side foot wall and right side foot wall concrete；
5. elastomer is put into the trench structure at the top of left side foot wall and right side foot wall, anchor cable passes through elastomer；
6. piecemeal colligation arch form construct reinforcing bar；
7. pre- tensioning is carried out to anchor cable, stretching force size is equal or slightly larger than arch form and constructs body weight；
8. main reinforcement and anchor cable at the top of arch form construct are fixedly connected；
9. formwork erection pours arch form and constructs body concrete；
10. buffer body is fixedly installed on arch form construct top.
The beneficial effects of the invention are as follows, effectively strengthen rockfall prevention effect, it is easy to repair, easy construction, can be effective
Construction investment is saved, with wide application value.
Brief description of the drawings
This specification includes following three width accompanying drawing：
Fig. 1 is a kind of sectional drawing of elastic energy dissipating tunnel shed hole structure of the present invention.
Fig. 2 is a kind of front elevation of elastic energy dissipating tunnel shed hole structure of the present invention.
Fig. 3 is the enlarged drawing of B parts in Fig. 1.
Component name and corresponding mark are shown in figure：Left side foot wall 11, right side foot wall 12, trench structure 13,
Arch form construct 20, arcuate structure 21, rectangular configuration 22, buffer body 23, elastomer 30, fixed plate 31, compression spring 31, anchor cable
40th, ground A.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples：
Referring to Figures 1 and 2, a kind of elastic energy dissipating tunnel shed hole structure of the present invention includes：Left side foot wall 11 and right side base
Plinth wall 12, is symmetricly set on road bed both sides grounds A along tunnel hangar tunnel bearing of trend interval, left side foot wall 11 and right side base
The top of plinth wall 12 has trench structure 13；Arch form construct 20, by the structure of rectangular configuration 22 of arcuate structure 21 and both sides lower end
Into rectangular configuration 22 is located in trench structure 13；Elastomer 30, is arranged at the bottom wall of trench structure 13 and the end of rectangular configuration 22
Between wall；Anchor cable 40, through elastomer 30, its two ends respectively with arch form construct 20 and left side foot wall 11, right side foot wall
12 are fixedly connected；Buffer body 23, is fixedly installed on the top of arch form construct 20.
Reference picture 1, left side foot wall 11 and right side foot wall 12 undertake the vertical impulsive force of rockfall and top arch form structure
The gravity of building body 20, and be connected with arch form construct 20 by top trench structure 13, it is solid to 20 planes of arch form construct
It is set for using.Arch form construct 20 can avoid rockfall from entering in roadbed, so that it is guaranteed that road operating safety.Using elastomer 30
Forced contraction deformation energy-absorbing function, significantly mitigate rockfall to arch form construct 20 and left side foot wall 11, right side basis
The percussion of wall 12, can be with effectively save construction investment.The upward recoverable force of elastomer 30 can be conducive to rockfall fast
Speed leaves arch form construct 20.The downward pulling force effect of anchor cable 40 ensure arch form construct 20 elastomer 30 recover deform when
Stability.Using the cushioning effect of buffer body 23, it is to avoid rockfall directly contacts generation impact cutting firmly with arch form construct 20
It is bad, increase the service life of arch form construct 20, and save construction investment.Left side foot wall 11, right side foot wall 12 and arch form
Construct 20 is separately positioned, can also solve the destruction of arch form construct 20 in the case where there is special operation condition and rebuild, and left without changing
The problem of side foot wall 11 and right side foot wall 12, more traditional shed hole structure has more advantage and flexibility.
Reference picture 2 and Fig. 3, the elastomer 30 is by fixed plate 31 and along the spaced pressure of length direction of trench structure 13
Contracting spring 31 is constituted, and the anchor cable 40 is correspondingly arranged with compression spring 31.The anchor cable 40 can be using the high strength steel strand of 4-6 beams
Make, and perform antirust treatment, its diameter matches with the internal diameter of compression spring 31.
Reference picture 1, the left side foot wall 11 and right side foot wall 12 are generally 3-5m per breadth degree, and thickness is not less than
0.3m, two adjacent vacants are away from being 2-3m.The setting depth of the trench structure 13 is not less than 1.0m, width and rectangular configuration 22
Match somebody with somebody, there is space (2cm or so) between the side wall of trench structure 13 and the side wall of rectangular configuration 22.The buffer body 23 can be used
Waste tire is fixed on the top of arch form construct 20.
A kind of reference picture 1, construction method of elastic energy dissipating tunnel shed hole structure of the present invention, comprises the following steps：
1. build and complete subgrade engineering, to left side foot wall 11 and the plane positioning of right side foot wall 12 on road bed；
2. slot on the road bed foot wall 11 and the foundation ditch of right side foot wall 12 on the left of being formed；
3. colligation left side foot wall 11 and the reinforcing bar of right side foot wall 12, are fixedly connected left side foot wall 11 and right side foot wall
Cage bar and anchor cable 40 at the top of 12 reinforcing bars；
4. formwork erection pours left side foot wall 11 and the concrete of right side foot wall 12；
5. elastomer 30 is put into the trench structure 13 at left side foot wall 11 and the top of right side foot wall 12, anchor cable 40 is worn
Cross elastomer 30；
6. the reinforcing bar of piecemeal colligation arch form construct 20；
7. pre- tensioning is carried out to anchor cable 40, stretching force size is equal or slightly larger than the weight of arch form construct 20；
8. the main reinforcement and anchor cable 40 at the top of arch form construct 20 are fixedly connected；
9. formwork erection pours the concrete of arch form construct 20；
10. buffer body 23 is fixedly installed on the top of arch form construct 20.
The above is to explain through diagrams the one of a kind of elastic energy dissipating tunnel shed hole structure of the present invention and its construction method
A little principles, are not intended to be confined to the present invention in shown and described concrete structure and the construction method scope of application, therefore every
Corresponding modification and the equivalent being utilized are possible to, apllied the scope of the claims of the invention is belonged to.
Claims (6)
1. a kind of elastic energy dissipating tunnel shed hole structure, it is characterized in that it includes：Left side foot wall (11) and right side foot wall (12),
It is symmetricly set on road bed both sides ground (A) along tunnel hangar tunnel bearing of trend interval, left side foot wall (11) and right side are basic
The top of wall (12) has trench structure (13)；Arch form construct (20), by arcuate structure (21) and the rectangle knot of both sides lower end
Structure (22) is constituted, and rectangular configuration (22) is in trench structure (13)；Elastomer (30), is arranged at the bottom wall of trench structure (13)
And the end wall of rectangular configuration (22) between；Anchor cable (40), through elastomer (30), its two ends respectively with arch form construct (20) and
Left side foot wall (11), right side foot wall (12) are fixedly connected；Buffer body (23), is fixedly installed on arch form construct (20) top
Portion.
2. a kind of elastic energy dissipating tunnel shed hole structure as claimed in claim 1, it is characterized in that：The elastomer (30) is by fixing
Plate (31) and along the spaced compression spring of trench structure (13) length direction (31) constitute, the anchor cable (40) with compression bullet
Spring (31) is correspondingly arranged.
3. a kind of elastic energy dissipating tunnel shed hole structure as claimed in claim 1, it is characterized in that：The left side foot wall (11) and
Right side foot wall (12) is 3-5m per breadth degree, and thickness is not less than 0.3m, and two adjacent vacants are away from being 2-3m；The trench structure (13)
Setting depth be not less than 1.0m, width matches with rectangular configuration (22), the side wall and rectangular configuration (22) of trench structure (13)
Side wall between have space.
4. a kind of elastic energy dissipating tunnel shed hole structure as claimed in claim 2, it is characterized in that：The anchor cable (40) uses 4-6
The high strength steel strand of beam makes, and diameter matches with the internal diameter of compression spring (31).
5. a kind of elastic energy dissipating tunnel shed hole structure as claimed in claim 1, it is characterized in that：The buffer body (23) is using useless
Abandon tire and be fixed on arch form construct (20) top.
6. a kind of construction method of elastic energy dissipating tunnel shed hole structure as described in claim 1 to 5 any one, including following step
Suddenly：
1. build and complete subgrade engineering, to left side foot wall (11) and right side foot wall (12) plane positioning on road bed；
2. slot on the road bed foot wall (11) and right side foot wall (12) foundation ditch on the left of being formed；
3. colligation left side foot wall (11) and right side foot wall (12) reinforcing bar, is fixedly connected left side foot wall (11) and right side basis
Cage bar and anchor cable (40) at the top of wall (12) reinforcing bar；
4. formwork erection pours left side foot wall (11) and right side foot wall (12) concrete；
5. elastomer (30), anchor cable are put into the trench structure (13) at the top of left side foot wall (11) and right side foot wall (12)
(40) through elastomer (30)；
6. piecemeal colligation arch form construct (20) reinforcing bar；
7. pre- tensioning is carried out to anchor cable (40), stretching force size is equal or slightly larger than arch form construct (20) weight；
8. the main reinforcement and anchor cable (40) being fixedly connected at the top of arch form construct (20)；
9. formwork erection pours arch form construct (20) concrete；
10. buffer body (23) is fixedly installed on arch form construct (20) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710202022.XA CN106836036A (en) | 2017-03-30 | 2017-03-30 | A kind of elastic energy dissipating tunnel shed hole structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710202022.XA CN106836036A (en) | 2017-03-30 | 2017-03-30 | A kind of elastic energy dissipating tunnel shed hole structure and construction method |
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| CN106836036A true CN106836036A (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710202022.XA Pending CN106836036A (en) | 2017-03-30 | 2017-03-30 | A kind of elastic energy dissipating tunnel shed hole structure and construction method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842641A (en) * | 2018-07-26 | 2018-11-20 | 赵宁雨 | Steel construction energy dissipating hangar tunnel |
| CN111734174A (en) * | 2020-07-02 | 2020-10-02 | 西安科技大学 | Detachable antique landscape corridor for preventing rockfall in mountain tourist attraction and disassembling and assembling method |
| CN111893906A (en) * | 2020-06-29 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Shed tunnel construction method |
| CN113403972A (en) * | 2021-07-28 | 2021-09-17 | 中铁建新疆京新高速公路有限公司 | Energy dissipation shed frame structure for preventing rock fall damage in highway construction |
| CN114753274A (en) * | 2022-04-18 | 2022-07-15 | 重庆交通大学 | Anti avalanche of severe cold tunnel engineering strikes's heat preservation open cut tunnel structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH696469A5 (en) * | 2003-09-10 | 2007-06-29 | Fatzer Ag | Safety net, especially for rockfall barriers. |
| CN101967802A (en) * | 2010-07-30 | 2011-02-09 | 陈洪凯 | Energy-dissipating hangar tunnel and energy-dissipating supporting base thereof |
| CN101974886A (en) * | 2010-07-30 | 2011-02-16 | 陈洪凯 | Combined rock fall shed tunnel and installation method thereof |
| CN202117685U (en) * | 2011-06-22 | 2012-01-18 | 中铁二院工程集团有限责任公司 | Rockfall protection structure for extended open cut tunnel of railway tunnel |
| CN202227287U (en) * | 2011-06-22 | 2012-05-23 | 中铁二院工程集团有限责任公司 | High speed railway bridge protection shed tunnel structure |
| CN102677703A (en) * | 2011-11-23 | 2012-09-19 | 浙江大地交通工程有限公司 | Falling-rock-impact-resistant open cut tunnel/shed tunnel ceiling cushion layer structure and construction method thereof |
| KR101432999B1 (en) * | 2014-02-12 | 2014-08-27 | 김정구 | Constructing method and rockfall preventing net using compression spring |
| CN204572001U (en) * | 2015-02-12 | 2015-08-19 | 西南交通大学 | For the shed hole structure at mountain tunnel hole |
| CN208072246U (en) * | 2017-03-30 | 2018-11-09 | 中铁二院工程集团有限责任公司 | A kind of elasticity energy dissipating tunnel shed hole structure |
-
2017
- 2017-03-30 CN CN201710202022.XA patent/CN106836036A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH696469A5 (en) * | 2003-09-10 | 2007-06-29 | Fatzer Ag | Safety net, especially for rockfall barriers. |
| CN101967802A (en) * | 2010-07-30 | 2011-02-09 | 陈洪凯 | Energy-dissipating hangar tunnel and energy-dissipating supporting base thereof |
| CN101974886A (en) * | 2010-07-30 | 2011-02-16 | 陈洪凯 | Combined rock fall shed tunnel and installation method thereof |
| CN202117685U (en) * | 2011-06-22 | 2012-01-18 | 中铁二院工程集团有限责任公司 | Rockfall protection structure for extended open cut tunnel of railway tunnel |
| CN202227287U (en) * | 2011-06-22 | 2012-05-23 | 中铁二院工程集团有限责任公司 | High speed railway bridge protection shed tunnel structure |
| CN102677703A (en) * | 2011-11-23 | 2012-09-19 | 浙江大地交通工程有限公司 | Falling-rock-impact-resistant open cut tunnel/shed tunnel ceiling cushion layer structure and construction method thereof |
| KR101432999B1 (en) * | 2014-02-12 | 2014-08-27 | 김정구 | Constructing method and rockfall preventing net using compression spring |
| CN204572001U (en) * | 2015-02-12 | 2015-08-19 | 西南交通大学 | For the shed hole structure at mountain tunnel hole |
| CN208072246U (en) * | 2017-03-30 | 2018-11-09 | 中铁二院工程集团有限责任公司 | A kind of elasticity energy dissipating tunnel shed hole structure |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842641A (en) * | 2018-07-26 | 2018-11-20 | 赵宁雨 | Steel construction energy dissipating hangar tunnel |
| CN108842641B (en) * | 2018-07-26 | 2021-07-23 | 赵宁雨 | Steel structure energy dissipation shed tunnel |
| CN111893906A (en) * | 2020-06-29 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Shed tunnel construction method |
| CN111734174A (en) * | 2020-07-02 | 2020-10-02 | 西安科技大学 | Detachable antique landscape corridor for preventing rockfall in mountain tourist attraction and disassembling and assembling method |
| CN111734174B (en) * | 2020-07-02 | 2022-01-28 | 西安科技大学 | Detachable antique landscape corridor for preventing rockfall in mountain tourist attraction and disassembling and assembling method |
| CN113403972A (en) * | 2021-07-28 | 2021-09-17 | 中铁建新疆京新高速公路有限公司 | Energy dissipation shed frame structure for preventing rock fall damage in highway construction |
| CN113403972B (en) * | 2021-07-28 | 2022-08-09 | 中铁建新疆京新高速公路有限公司 | Energy dissipation shed frame structure for preventing rock fall damage in highway construction |
| CN114753274A (en) * | 2022-04-18 | 2022-07-15 | 重庆交通大学 | Anti avalanche of severe cold tunnel engineering strikes's heat preservation open cut tunnel structure |
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Application publication date: 20170613 |