CN206289641U - A kind of tunnel face talus slide protection device - Google Patents
A kind of tunnel face talus slide protection device Download PDFInfo
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- CN206289641U CN206289641U CN201621433020.9U CN201621433020U CN206289641U CN 206289641 U CN206289641 U CN 206289641U CN 201621433020 U CN201621433020 U CN 201621433020U CN 206289641 U CN206289641 U CN 206289641U
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- talus
- baffle plate
- tunnel
- column
- protection device
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Abstract
The utility model discloses a kind of tunnel face talus slide protection device, including protecting wire net, support bar, baffle plate and column, baffle plate is respectively arranged at the both sides of tunnel face；Support bar is vertically set, and the equal vertical interlaced of reinforcement of its upper end and triangular structure is fixedly installed on the inside of baffle plate, and the vertical build-in of baffle plate is stretched out in the basement rock pedestal in talus forward position in the lower end of support bar；Protecting wire net is used to cover the talus of the tunnel upper and side, multiple holdfasts for inserting talus are evenly equipped with protecting wire net, the part that talus is located at tunnel both sides is inserted with column, connected by steel wire rope between column, and positioned at the stem height of up-hill position be higher than tunnel top, the stem height positioned at down-hill position is less than tunnel top and the height of column less than up-hill position.The utility model is prevented from baffle plate and collapses or break away, and effectively stops talus slide, while using protecting wire net and column, making talus integrally all be reinforced, disclosure satisfy that the intensity requirement of lateral reinforcement, and cost and duration input are low.
Description
Technical field
The utility model belongs to technical field of tunnel construction, more particularly to a kind of tunnel face talus slide protection device.
Background technology
Earth surface has substantial amounts of mountain range, particularly China western part, mainly based on mountain area.Due to wind erosion, rain
Water, earthquake etc. are acted on, and mountain blasting is formed substantial amounts of talus geology section.And railway, highway engineering, due to speed, line style
It is required that, these talus geology section is inevitably passed through in the form of tunnel.Ancient talus geology self-stable ability extreme difference, cohesive strength
, there is differential settlement in difference, belong to unstable rock mass.Under this geological conditions, during constructing tunnel, especially in tunnel
Mouthful, reservoir stress redistribution, the preliminary bracing structure to tunnel face forms huge vertical and lateral pressure, is easily formed and slided
Slope.
Therefore, if the protection to tunnel face talus slide is improper, preliminary bracing sinking and horizontal convergence value will be caused
It is excessive, cause preliminary bracing structure to invade secondary lining headroom.
Utility model content：
The purpose of this utility model is to provide a kind of tunnel face talus slide protection device, to solve the above problems.
In order to achieve the above object, the technical solution of the utility model is realized in：A kind of tunnel face talus slide
Protection device, the protection device includes protecting wire net 1, support bar 3, baffle plate 5 and column 6, and baffle plate 5 is concrete structure, and is arranged at
The both sides of tunnel face 8；Vertically direction is set support bar 3, and the upper end of support bar 3 and the equal vertical interlaced of reinforcement 4 are fixedly installed
In the inside of baffle plate 5, the section of the reinforcement 4 is triangle；Baffle plate 5 and vertical build-in are stretched out in the lower end of the support bar 3
In the basement rock pedestal in talus forward position；The vertical back of the baffle plate 5 is provided with the slot 51 coordinated with inserted link 7, the inserted link 7
It is connected with protecting wire net 1, the protecting wire net 1 is used to cover the talus of tunnel upper and side, is evenly equipped with the protecting wire net 1 multiple for inserting
Enter the holdfast 2 of talus；The part that talus is located at tunnel both sides is inserted with column 6, is connected by steel wire rope between column 6, and
Stem height positioned at up-hill position is higher than tunnel top, and is located at the stem height of down-hill position less than tunnel top and is less than
The height of the column of up-hill position.
The lower end of the baffle plate 5 is provided with the tank 54 in the direction towards outside tunnel face.
The tank 54 is from inside to outside obliquely installed, and outside open height is less than inner side open height.
It is domatic 52 before the baffle plate 5.
Before the lower end of the baffle plate 5 and back is symmetrically arranged with supporting plate 53, the bottom surface of the supporting plate 53 and basement rock
Base into contact.
The diameter of the column 6 is tapered into from top to bottom.
The rear portion of the baffle plate 5 is provided with a support 9, and protecting wire net 1 covers the support 9, the both sides difference of the support 9
One guiding gutter 10 is respectively set and is used to shunt rubble to the tunnel both sides positioned at the both sides of the tunnel face, and both sides.
Compared with prior art, the utility model has the following advantages and good effect：
1st, the side that the utility model passes through baffle tunnel face talus, the lower end insertion ground of support bar, for adding
Gu baffle plate, anti-baffle plate collapses or breaks away, effectively stop talus slide.
2nd, covered on talus surface using protecting wire net, protection network be fixed on by talus surface by holdfast, be that talus surface reinforces,
Prevent surface talus from tumbling.
3 talus are inserted into column so that talus is integrally all reinforced, and disclosure satisfy that the intensity requirement of lateral reinforcement.
4th, the vertical and lateral pressure that tunnel face preliminary bracing is born is alleviated, prevents talus to slide deformation and come down
Risk.
5th, the large deformation just propped up and be likely to occur is prevented, prevents the first branch encroachment line caused by large deformation from processing, engineering is always applied
Work low cost, the duration is guaranteed, and security risk is low
Brief description of the drawings
Fig. 1 is the structural representation of the utility model tunnel face talus slide protection device.
Fig. 2 is baffle plate side view.
In figure：1st, protecting wire net；2nd, holdfast；3rd, support bar；4th, reinforcement；5th, baffle plate；51st, slot；52nd, it is domatic；53rd, support
Plate；54th, tank；6th, column；7th, inserted link；8th, tunnel face；9th, support；10th, guiding gutter.
Specific embodiment
Clear, complete description is carried out to the technical scheme of each embodiment of the utility model below with reference to accompanying drawing, it is clear that
Described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.It is new based on this practicality
Embodiment in type, the resulting all other reality on the premise of creative work is not made of those of ordinary skill in the art
Example is applied, the scope that the utility model is protected is belonged to.
1. referring to Fig. 1 and Fig. 2, a kind of tunnel face talus slide protection device, including protecting wire net 1, support bar 3, baffle plate 5 and vertical
Post 6, baffle plate 5 is concrete structure, and its both sides for being respectively arranged at tunnel face 8, support bar 3 vertically sets, its upper end and
Reinforcement 4 is fixedly installed on the inside of baffle plate 5, and the section of reinforcement 4 is triangle, reinforcement 4 and the vertical interlaced of support bar 3
The outside of baffle plate 5 is stretched out in distribution, the lower end of support bar 3, and vertical build-in is in the basement rock pedestal in talus forward position, and building-in depth is not small
In 1.5 meters.One end of protecting wire net 1 is fixed on the upper end of vertical baffle 3, and specifically protecting wire net 1 is fixed on baffle plate 5 by inserted link 7
In the slot 51 at the upper end back side (closing on the one side of talus for the back side, one side on the other side is for above), anchor is fixed with protecting wire net 1
Nail 2, holdfast 2 is uniformly distributed setting on protecting wire net 1, and protecting wire net 1 is used to be covered in talus surface, and holdfast 2 is fixed on into Study on Rock
In stone, holdfast 2 can be appropriately adjusted in arrangement according to the block stone distribution situation of actual landform and Study on Rock, its anchorage depth
It it is 100-200 millimeters, bolt grouting body is M30 cement mortar.Protecting wire net 1 mainly acts the work that rock is tumbled when preventing talus slide
With.The part that talus is located at tunnel both sides is inserted with column 6, is connected by steel wire rope between column 6, and positioned at up-hill position
The height of column 6 be higher than tunnel top, and be located at the height of column 6 of down-hill position less than tunnel top and less than up-hill position
Column height.
2. support bar 3 is mutually perpendicular to the reinforcement 4 of section triangle, and the two is mutually overlapped, and makes support bar 3 and reinforcement
4 composition grid-shaped reinforcement structures, the upper end of support bar 3 is stretched at the upper end of baffle plate 5, the upper part of reinforcement 4 and support bar 3
Play a part of to strengthen concrete structure, and baffle plate 5 can play a protective role to the upper end of reinforcement 4 and support bar 3.
3. water must be released, and water content in rock mass can be caused to increase if not discharging water, and water content increase can cause rock mass
Intensity decreases, rock mass strength reduction can cause easily to come down, therefore, the lower end of baffle plate 5 is provided with the tank 54 for passing through baffle plate 5,
Tank 54 prevents ponding immersion for a long time so that baffle plate 5 collapses towards the ponding in the convenient discharge talus in direction outside tunnel face
Collapse.Water discharge member can also be improved to the discharge of porous collection single tube simultaneously, so be more beneficial for the discharge of water
4. flow backwards water in order to unlikely when more facilitating draining, and baffle plate 5 to slope inwardly, tank 54 is from introversion
Outer incline is set, and outside open height is less than inner side open height.
It is set to domatic before baffle plate 5, the back side is set to vertical plane, is conducive to strengthening the structural strength of baffle plate 5.
Before the lower end of baffle plate 5 and back is symmetrically arranged with supporting plate 53, the bottom surface of supporting plate 53 and basement rock base into contact,
It is prevented from easily collapsing during 5 run-off the straight of baffle plate, extends service life of the present utility model, and can effectively prevent talus
The generation on landslide.
5. the diameter of column 6 is tapered into from top to bottom, makes the existing firm foundation of column, is reduced due to column 6 again
The stress suddenly change inserting and bring and cause to be difficult the problem of stabilization after column 6 is long-term, be also easier to pour into a mould.
6. when there is rubble to slide, in order to not make it fall at tunnel face, the rear portion of baffle plate is provided with a support 9,
Support 9 can be plugged at tunnel face in the talus of both sides, make 9 both sides of support respectively positioned at the both sides of tunnel face, and both sides are each
Setting a guiding gutter 10 is used to shunt rubble to tunnel both sides.Protecting wire net 1 can cover support 9, can both increase the stabilization of support 9
Property, rubble can be made not to be scattered everywhere again, increase security.
The above, is only preferred embodiment of the present utility model, not makees any formal to the utility model
Limitation, any those skilled in the art are not being departed from the range of technical solutions of the utility model, when using above-mentioned
The technology contents of announcement are made a little change or are modified to the Equivalent embodiments of equivalent variations, as long as being without departing from the utility model
The content of technical scheme, any simple modification made to above example according to technical spirit of the present utility model, equivalent change
Change and modify, still fall within the range of technical solutions of the utility model.
Claims (7)
1. a kind of tunnel face talus slide protection device, it is characterised in that：The protection device include protecting wire net (1), support bar (3),
Baffle plate (5) and column (6), baffle plate (5) is concrete structure, and is arranged at the both sides of tunnel face (8)；Support bar (3) is vertically
Direction setting, support bar (3) upper end and reinforcement (4) vertical interlaced are fixedly installed on the inside of baffle plate (5), the reinforcement
The section of muscle (4) is triangle；Baffle plate (5) is stretched out in the lower end of the support bar (3) and vertical build-in is in the basement rock in talus forward position
In pedestal；The vertical back of the baffle plate (5) is provided with the slot (51) coordinated with inserted link (7), the inserted link (7) and protecting wire net
(1) connect, the protecting wire net (1) is evenly equipped with multiple for inserting for covering the talus of tunnel upper and side on the protecting wire net (1)
Enter the holdfast (2) of talus；The part that talus is located at tunnel both sides is inserted with column (6), is connected by steel wire rope between column (6)
Connect, and positioned at up-hill position stem height be higher than tunnel top, and be located at down-hill position stem height be less than tunnel top
And the height of the column less than up-hill position.
2. a kind of tunnel face talus slide protection device according to claim 1, it is characterised in that：The baffle plate (5)
Lower end is provided with the tank (54) in the direction towards outside tunnel face.
3. a kind of tunnel face talus slide protection device according to claim 2, it is characterised in that：The tank (54) from
It is obliquely installed from inside to outside, and outside open height is less than inner side open height.
4. a kind of tunnel face talus slide protection device according to claim 1, it is characterised in that：The baffle plate (5)
It is above domatic (52).
5. a kind of tunnel face talus slide protection device according to claim 1, it is characterised in that：The baffle plate (5)
Before lower end and back is symmetrically arranged with supporting plate (53), bottom surface and the basement rock base into contact of the supporting plate (53).
6. a kind of tunnel face talus slide protection device according to claim 1, it is characterised in that：The column (6)
Diameter is tapered into from top to bottom.
7. a kind of tunnel face talus slide protection device according to claim 1, it is characterised in that：The baffle plate (5)
Rear portion is provided with a support (9), and protecting wire net (1) covers the support (9), and the both sides of the support (9) are located at the tunnel respectively
The both sides at road junction, and both sides respectively set a guiding gutter (10) for rubble to be shunted to the tunnel both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621433020.9U CN206289641U (en) | 2016-12-24 | 2016-12-24 | A kind of tunnel face talus slide protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621433020.9U CN206289641U (en) | 2016-12-24 | 2016-12-24 | A kind of tunnel face talus slide protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206289641U true CN206289641U (en) | 2017-06-30 |
Family
ID=59153757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621433020.9U Active CN206289641U (en) | 2016-12-24 | 2016-12-24 | A kind of tunnel face talus slide protection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503360A (en) * | 2017-07-20 | 2017-12-22 | 中铁十八局集团有限公司 | A kind of huge loose talus tunnel entrance surcharge reaction ruggedized construction |
| CN108643950A (en) * | 2018-06-15 | 2018-10-12 | 沙洲职业工学院 | A kind of rock mass tomography control instability device |
| CN109915170A (en) * | 2019-03-18 | 2019-06-21 | 中铁十八局集团有限公司 | A kind of construction method of the high abrupt slope tunnel safety of Rolling Stone into hole |
| CN112095636A (en) * | 2020-09-15 | 2020-12-18 | 中铁六局集团有限公司 | Tunnel cave mouth side slope protection architecture that rises |
-
2016
- 2016-12-24 CN CN201621433020.9U patent/CN206289641U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503360A (en) * | 2017-07-20 | 2017-12-22 | 中铁十八局集团有限公司 | A kind of huge loose talus tunnel entrance surcharge reaction ruggedized construction |
| CN107503360B (en) * | 2017-07-20 | 2020-01-24 | 中铁十八局集团有限公司 | Huge loose rock pile tunnel import is piled and is carried back pressure reinforced structure |
| CN108643950A (en) * | 2018-06-15 | 2018-10-12 | 沙洲职业工学院 | A kind of rock mass tomography control instability device |
| CN109915170A (en) * | 2019-03-18 | 2019-06-21 | 中铁十八局集团有限公司 | A kind of construction method of the high abrupt slope tunnel safety of Rolling Stone into hole |
| CN109915170B (en) * | 2019-03-18 | 2020-06-09 | 中铁十八局集团有限公司 | Construction method for safe entry of rock-rolling high-steep-slope tunnel |
| CN112095636A (en) * | 2020-09-15 | 2020-12-18 | 中铁六局集团有限公司 | Tunnel cave mouth side slope protection architecture that rises |
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