CN104963695B - Protect open cut tunnel and tunnel structure - Google Patents
Protect open cut tunnel and tunnel structure Download PDFInfo
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- CN104963695B CN104963695B CN201510284176.9A CN201510284176A CN104963695B CN 104963695 B CN104963695 B CN 104963695B CN 201510284176 A CN201510284176 A CN 201510284176A CN 104963695 B CN104963695 B CN 104963695B
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- protective cover
- tunnel
- open cut
- protection open
- road
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- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to protection open cut tunnel and tunnel structure.Protection open cut tunnel includes across road and is arranged on the protective cover of the top of the road, and sets on the ground and positioned at the basis of both sides of the road, wherein the bottom of the protective cover be fixed on it is described on the basis of.Workmen sets basis and installs protective cover on the ground, therefore easy for construction, save trouble and labor.And the structure of the protection open cut tunnel is simple, construction technology is succinct, cost is relatively low, under the operating mode such as the railway of the existing operation that is particularly suitable for use in, highway.
Description
Technical field
The present invention relates to protection open cut tunnel technical field, and particularly a kind of protection open cut tunnel at road, is further related to
A kind of tunnel structure for including above-mentioned protection open cut tunnel.
Background technology
In the place that the roads such as railway, highway or roadbed are passed through, high gradient slope is frequently encountered.To prevent in side slope
Falling rocks tumbles and hinders the normal operation of railway, highway, or in order to ensure the safety of the personnel during construction, maintenance,
Safeguard structure would generally be set at roadbed section, high gradient slope or tunnel portal.
At present, the safeguard structure used is usually actively or passively protection network.Protection network is wound and shape by multiple iron wires
Into network structure.By the way that protection network is wrapped at the falling rocks of side slope to be protected.But set protection network when, it is necessary to
Staff climbs up side slope and constructed, and needs that protection network nail is located in side slope by fixture.Therefore using anti-
Bothersome laborious and protection effect is limited when protecting wire net is protected.
Therefore, how to solve the problems, such as to set safeguard structure at tunnel or roadbed section high gradient slope, be this area skill
Art personnel's technical issues that need to address.
The content of the invention
The present invention provides a kind of protection open cut tunnel, and directly the protective cover assembly for protecting open cut tunnel is fixed on road, therefore applies
Work is convenient, save trouble and labor, and be particularly suitable for use in existing railway in operation or highway.
The protection open cut tunnel of the present invention, including across road and the protective cover of the top of the road is arranged on, and set
On the ground and positioned at the basis of both sides of the road, wherein the bottom of the protective cover be fixed on it is described on the basis of.
In one embodiment, the basis includes being separately positioned in the groove on ground and underlying first reinforcing bar
Concrete layer and the second reinforced concrete floor above, and be fixed on the top of first reinforced concrete floor and bury
The angle steel being located in second reinforced concrete floor, wherein the end of the protective cover is fixed on the angle steel.
In one embodiment, the protective cover includes being arranged side by side and being fixed to one another successively along the bearing of trend of road
Multiple corrugated platings of connection.
In one embodiment, the upper surface of the protective cover is configured to the arch along the direction extension of the road
Face, rectangular surfaces or semicircle face.
In one embodiment, the inner surface of the protective cover is sequentially provided with anticorrosive coat and insulating barrier from inside to outside, described
The outer surface of protective cover is provided with anticorrosive coat.
In one embodiment, the top of the protective cover is provided with cushion.
In one embodiment, the cushion includes metalling, sand layer, bubble concrete layer, rubber layer and poly- ammonia
One or more in ester plate.
The tunnel structure of the present invention includes tunnel body, and is resisted against on the portal of the tunnel body and is directed away from
The protection open cut tunnel of the direction extension of the tunnel body, wherein the protection open cut tunnel is bright for the protection any one of above-mentioned
Hole.
In one embodiment, the tunnel body is provided with spaced apart multiple, and the protection open cut tunnel is positioned at adjacent
Between two tunnel bodies, and two sides of the protective cover are born against on corresponding portal.
In one embodiment, groove is provided with the portal, the side of the protective cover is fixed in the groove.
Relative to prior art, the protective cover in protection open cut tunnel of the invention is by setting basis on the ground fixed.
Therefore, workmen sets basis and assembled prefabricated protective cover on the ground, thus it is easy for construction, construction technology is succinct,
Save trouble and labor.And the structure of the protection open cut tunnel is simple, construction technology is succinct, and cost is relatively low, and be particularly suitable for use in existing operation
Under the operating modes such as railway, highway.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.
Fig. 1 is a kind of schematic view of the mounting position of the protection open cut tunnel of the present invention.
Fig. 2 is the fixed form schematic diagram of the protective cover in the present invention.
Fig. 3 is the partial enlarged drawing in Fig. 2 A portions.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not drawn according to the ratio of reality.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in figure 1, the protection open cut tunnel of the present invention includes across road 4 and is arranged on the protective cover 2 of the top of road 4.
Direction extension of the protective cover 2 along road 4.Set through the above way, the unilateral or both sides of protection road 4 can be played
Falling Rocks problem.Wherein, road 4 can be railway, highway or roadbed etc..
In one embodiment, the upper surface of protective cover 2 is arranged to the arcuate surface along the direction extension of road 4, rectangular surfaces
Or semicircle face.The stress intensity in arcuate surface or semicircle face is higher, and facilitates falling rocks to be tumbled from protective cover 2, to improve
The service life of protective cover 2.The structure of rectangular surfaces is simple, convenient to set.
In addition, protective cover 2 inner surface from inside to outside (away from protective cover 2 direction) be sequentially provided with anticorrosive coat and insulation
Layer.Anticorrosive coat can be only coated with the outer surface of protective cover 2, to save cost, and reduces workload.It is being provided with anticorrosive coat
Afterwards, it is possible to reduce the possibility that protective cover 2 is corroded.After insulating barrier is provided with, the insulating properties of protective cover 2 can be improved, is subtracted
Few possibility that protective cover 2 is breakdown when the lower section of protective cover 2 passes through cable and the company of generation is electric.In one example, anti-corrosion
Layer is preferably zinc coat, to save cost, and improves corrosion resistance.Insulating barrier includes the hot melt plastic layer that sets from inside to outside and absolutely
Edge enamelled coating, to improve insulating properties.The thickness of hot melt plastic layer is 0.2-0.4mm.It is of course also possible to protective cover 2 inner surface and
Outer surface is provided with anticorrosive coat and insulating barrier.
Cushion is also provided with the top of protective cover 2, to reduce falling rocks to impact caused by protective cover 2, so as to carry
The service life of high protective cover 2.In one example, cushion can include metalling, sand layer, foam reinforced concrete floor
Etc. the one or more in the organic material such as inorganic material or rubber layer, polyurethane sheet.When setting, directly by rubble, sand
Son, foam coagulation, rubber or polyurethane sheet are laid on protective cover 2.Set through the above way, it is simple in construction, easy for construction,
Cost is relatively low.
Further, protective cover 2 includes multiple corrugated platings being fixedly connected each other by such as bolt.In assembled good ripple
After card, multiple corrugated platings extend along road direction side by side successively.The structure of corrugated plating is simple, cost is relatively low, installs and makes
With conveniently.And corrugated plating can be bent into required shape as needed, it is not required to fix by extra part, therefore apply
Under the operating mode such as work concise in technology, the railway of the existing operation that is particularly suitable for use in, highway.The waveform of corrugated plating can be sinus-shaped, three
Angular or rectangle etc..The material of corrugated plating is preferably metal material, to improve the weight capacity of corrugated plating.Certainly, corrugated plating
Material can also be the other materials such as carbon fiber, plastics.
More specifically, before corrugated plating is spliced, single corrugated plating can be first bent into required shape.
Arcuate surface, semicircle face or rectangular surfaces are formed after multiple corrugated plating splicings., can be with when the length of corrugated plating does not reach requirement
Multiple corrugated platings are spliced.
In addition, before corrugated plating is spliced, anti-corrosion and insulation processing first can be carried out to each corrugated plating.Can be in ripple
Anticorrosive coat, hot melt plastic layer and insulating lacquer layer are coated with the periphery wall of card, to facilitate processing.
Certainly, protective cover 2 can also be the metallic plate to overarch., can be with when the intensity of metallic plate does not reach requirement
Supported by support.
In a specific embodiment, as shown in figure 1, protection open cut tunnel is used in tunnel structure.Tunnel structure bag
Tunnel body 1 is included, and the protective cover 2 being resisted against on the portal of tunnel body 1.After protective cover 2 is set, the court of protective cover 2
Extend to the direction away from tunnel body 1.And protective cover 2 is also bent into match with the profile of tunnel body 1.In an example
In son, when tunnel body 1 overarches, arch that protective cover 2 also matches into the arch with tunnel body 1.It is arranged such, can
When to prevent falling stop stone, reducing hole frost heave, and reducing discrepancy tunnel caused by light sudden change the problem of driver's eye fatigue, simultaneously
Alleviate the effect of Railway Tunnel aerodynamic effect.
When provided with multiple tunnel bodies 1 spaced apart, protection can be set bright between two adjacent tunnel bodies 1
Hole.And the side of protective cover is born against on corresponding portal.It is arranged such, the tunnel that frequently comes in and goes out can be efficiently solved
When caused by light sudden change the problem of driver's eye fatigue, while alleviate the effect of Railway Tunnel aerodynamic effect.
Further, groove is further opened with portal.The side of protective cover 2 is set in a groove.It is it is, of course, also possible to logical
Concrete is crossed to fix protective cover 2 in a groove.It is arranged such, can is that protective cover 2 provides certain support force by portal,
So as to reduce the possibility that protective cover 2 is deformed by stress.Prevent percolating water etc. from acting at the same time it can also play.In addition,
As shown in Fig. 2 the bottom of protective cover 2 is fixed on ground 5 by the basis 3 positioned at both sides of the road.It is arranged such, workmen
Basis 3 is set on ground 5 and protective cover 2 is installed, therefore easy for construction, save trouble and labor, construction technology is succinct, especially suitable
Under the operating modes such as railway, highway for existing operation.When needing fixed blade guard 2, tool is first opened up on ground 5 as needed
There is the groove of certain depth, then set on basis 3 in a groove.
In one embodiment, as shown in figure 3, basis 3 includes underlying first reinforced concrete floor 31, positioned at upper
Second reinforced concrete floor 34 of side, and it is fixed on the upper of first reinforced concrete floor 31 for example, by foundation bolt 33
Side and the angle steel 32 being embedded in the second reinforced concrete floor 34.Wherein, the end of protective cover 2 is solid for example, by connecting bolt 35
It is scheduled on angle steel 32.After the second reinforced concrete floor 34 is set, the end of protective cover 2 is also embedded in the second armored concrete
In layer 34.It is arranged such, the fixing intensity of protective cover 2 can be improved, so as to improves the stability of protective cover 2.
In specific construction procedure, the first reinforced concrete floor 31 is first set, during this period can be by the angle steel of part
32 are embedded in the first reinforced concrete floor 31, can tentatively fix angle steel 32, reduce its generation in fixed angle steel 32 and alter
Dynamic possibility.After the solidification of the first reinforced concrete floor 31, angle steel 32 is fixed on by the first reinforcing bar by foundation bolt 33 and mixed
In solidifying soil layer 31, then protective cover 2 is fixed on angle steel 32 by connecting bolt 35.After good protective cover 2 to be fixed, the is set
Two reinforced concrete floors 34.
In a specific embodiment, protective cover 2 is the corrugated sheet to overarch.Now, corrugated plating has two and ground 5
The bottom of contact.Basis 3 is equipped with each bottom.And two bases 3 are spaced apart and arranged on ground 5, applied with saving
Work material, the amount of labour is reduced, and save cost.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention
Under, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as being rushed in the absence of structure
Prominent, the every technical characteristic being previously mentioned in each embodiment can combine in any way.The invention is not limited in text
Disclosed in specific embodiment, but all technical schemes including falling within the scope of the appended claims.
Claims (9)
1. one kind protection open cut tunnel, including across road and the protective cover of the top of the road is arranged on, and it is arranged on ground
Go up and be located at the basis of both sides of the road, wherein the bottom of the protective cover be fixed on it is described on the basis of the basis include setting respectively
Put in the groove on ground and underlying first reinforced concrete floor and the second reinforced concrete floor above, and
The top of first reinforced concrete floor and the angle steel being embedded in second reinforced concrete floor are fixed on, wherein described
The end of protective cover is fixed on the angle steel, and after the solidification of the first reinforced concrete floor, the angle steel is consolidated by foundation bolt
It is scheduled in the first reinforced concrete floor.
2. protection open cut tunnel according to claim 1, it is characterised in that the protective cover include along road bearing of trend according to
The secondary multiple corrugated platings for being arranged side by side and being fixedly secured to one another.
3. protection open cut tunnel according to claim 1, it is characterised in that the upper surface of the protective cover is configured to along described
Arcuate surface, rectangular surfaces or the semicircle face of the direction extension of road.
4. protection open cut tunnel according to claim 1, it is characterised in that the inner surface of the protective cover is set successively from inside to outside
There are anticorrosive coat and insulating barrier, the outer surface of the protective cover is provided with anticorrosive coat.
5. protection open cut tunnel according to claim 1, it is characterised in that the top of the protective cover is provided with cushion.
6. protection open cut tunnel according to claim 5, it is characterised in that the cushion includes metalling, sand layer, foam
One or more in concrete layer, rubber layer and polyurethane sheet.
7. a kind of tunnel structure, it is characterised in that including tunnel body, and be resisted against on the portal of the tunnel body simultaneously court
The protection open cut tunnel extended to the direction away from the tunnel body, wherein the protection open cut tunnel is any one of claim 1-6
Described protection open cut tunnel.
8. tunnel structure according to claim 7, it is characterised in that the tunnel body be provided with it is spaced apart multiple,
The protection open cut tunnel is between two adjacent tunnel bodies, and two sides of the protective cover are born against
On corresponding portal.
9. the tunnel structure according to claim 7 or 8, it is characterised in that groove, the protection are provided with the portal
The side of cover is fixed in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510284176.9A CN104963695B (en) | 2015-05-28 | 2015-05-28 | Protect open cut tunnel and tunnel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510284176.9A CN104963695B (en) | 2015-05-28 | 2015-05-28 | Protect open cut tunnel and tunnel structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104963695A CN104963695A (en) | 2015-10-07 |
| CN104963695B true CN104963695B (en) | 2017-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510284176.9A Active CN104963695B (en) | 2015-05-28 | 2015-05-28 | Protect open cut tunnel and tunnel structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN104963695B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307005B (en) * | 2019-07-09 | 2021-08-17 | 福建工程学院 | Device and method for reinforcing landslide at tunnel portal |
| CN112326925A (en) * | 2020-10-18 | 2021-02-05 | 西南科技大学 | Method for evaluating stability of tunnel surrounding rock based on matter element analysis |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201502783U (en) * | 2009-08-25 | 2010-06-09 | 衡水益通金属制品有限责任公司 | Protective part for semi-circular arch-shaped corrugated metal culvert |
| CN102678132A (en) * | 2012-06-05 | 2012-09-19 | 中铁第一勘察设计院集团有限公司 | Anti-rockfall reinforced concrete open-cut tunnel structure |
| CN204267041U (en) * | 2014-11-28 | 2015-04-15 | 大连市市政设计研究院有限责任公司 | A kind of tunnel portal structure adopting embedded cover arch |
| CN204877489U (en) * | 2015-05-28 | 2015-12-16 | 中国铁道科学研究院铁道建筑研究所 | Protection open cut tunnel and tunnel structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040089464A (en) * | 2004-02-05 | 2004-10-21 | 송희종 | Tunnel structure for prevention falling stone |
-
2015
- 2015-05-28 CN CN201510284176.9A patent/CN104963695B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201502783U (en) * | 2009-08-25 | 2010-06-09 | 衡水益通金属制品有限责任公司 | Protective part for semi-circular arch-shaped corrugated metal culvert |
| CN102678132A (en) * | 2012-06-05 | 2012-09-19 | 中铁第一勘察设计院集团有限公司 | Anti-rockfall reinforced concrete open-cut tunnel structure |
| CN204267041U (en) * | 2014-11-28 | 2015-04-15 | 大连市市政设计研究院有限责任公司 | A kind of tunnel portal structure adopting embedded cover arch |
| CN204877489U (en) * | 2015-05-28 | 2015-12-16 | 中国铁道科学研究院铁道建筑研究所 | Protection open cut tunnel and tunnel structure |
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| Publication number | Publication date |
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| CN104963695A (en) | 2015-10-07 |
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Address after: 100081 No. 2 Daliushu Road, Haidian District, Beijing Patentee after: Railway Construction Research Institute of China Railway Research Institute Group Co., Ltd. Address before: Room 202, Rock and Soil Room, No. 2 Daliushu Road, Haidian District, Beijing Patentee before: Railway Construction Institute of China Academy of Railway Sciences |
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