CN206035505U - Stride across hangar tunnel structure of debris flow gully - Google Patents
Stride across hangar tunnel structure of debris flow gully Download PDFInfo
- Publication number
- CN206035505U CN206035505U CN201620985709.6U CN201620985709U CN206035505U CN 206035505 U CN206035505 U CN 206035505U CN 201620985709 U CN201620985709 U CN 201620985709U CN 206035505 U CN206035505 U CN 206035505U
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- China
- Prior art keywords
- longeron
- hangar tunnel
- column
- waterproof layer
- drain
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Abstract
The utility model discloses a stride across hangar tunnel structure of debris flow gully, its characterized in that: it is a plurality of stand (1) along hangar tunnel vertical equidistant setting, be equipped with the diaphragm wall between two adjacent stand (1) the top and the bottom of stand (1) be equipped with longeron (2) respectively, crossbeam (3) be arranged in the bottom plate and be connected with stand (1) of hangar tunnel both sides bottom, at the hangar tunnel top longeron (2) between the overlap joint have roof (4) roof (4) with the surface of diaphragm wall all be equipped with waterproof layer (5) stand (1) and excavation face between be equipped with back filled region (6), it is easy in mud -rock flow abrasion, the shortcoming of destroying that it has overcome among the prior art hangar tunnel top structure, has durable, it is convenient to be under construction, easy to maintain's advantage.
Description
Background technology
This utility model belongs to vcehicular tunnel protection technology field, is more specifically a kind of canopy of leap debris flow gully
Hole structure and construction method.
Technical field
Vcehicular tunnel due to being limited by orographic condition, will unavoidably cross over V-type during the shuttle of high and steep mountains
Cheuch region.The generally region top covering rockmass is relatively thin, is difficult cavitation, and top with the presence of Rolling Stone, need to adopt hangar tunnel scheme pair
Across cheuch section is protected, so as to ensure tunnel traffic safety.Traditional hangar tunnel is only used for preventing and treating Rolling Stone, to slow down
Impulsive force of the Rolling Stone to shed hole structure, generally covers thicker soil layer on hangar tunnel top board or other play section bar material as buffering
Layer.The characteristics of there is loose, light weight due to above-mentioned cushion, when in addition to it there is Rolling Stone, when also mud-rock flow occurs, delaying in cheuch
Rush layer to be destroyed by rush of water.The huge impulsive force of mud-rock flow and abrasive force will injure the even overall impact resistance of hangar tunnel top board,
Durability and stability.
The content of the invention
The purpose of this utility model is the weak point for overcoming above-mentioned background technology, and proposes that one kind crosses over debris flow gully
Shed hole structure.
The purpose of this utility model is achieved by the following technical solution：A kind of hangar tunnel knot of leap debris flow gully
Structure, it is characterised in that：It includes the stress and drainage system and the guard system on top of hangar tunnel bottom, described stress and draining
System includes column, longeron, crossbeam, top board, waterproof layer, back filled region, weeper drain, longitudinal drainage pipe, transverse drain；
Some described columns are provided with diaphragm wall along hangar tunnel longitudinal direction spaced set between two adjacent columns,
The top and bottom of described column is respectively equipped with longeron, the column bottom during described crossbeam is located at base plate and with hangar tunnel both sides
Connection, is overlapped with top board between the longeron described in shed tunnel top, equal with described continuous face of wall in described top board
Waterproof layer is provided with, back filled region is provided between described column and excavation face, be provided with waterproof by excavation face side in described column
Layer, is provided with weeper drain between described waterproof layer and described back filled region, arranges in the bottom of described weeper drain
There is longitudinal drainage pipe, the side of described longitudinal drainage pipe is provided with transverse drain, described transverse drain is located at canopy
In the base plate of hole, and outlet is connected with the external world.In above-mentioned technical proposal：Described guard system includes impact-resisting wear-resisting layer, base
Seat, joist steel upright, supporting rope, ring network, drawing anchor line, pressure-reducing ring and wire rope anchor；It is provided with the top of described waterproof layer
Impact-resisting wear-resisting layer, described pedestal are located at the top of longeron described on the outside of hangar tunnel, between described pedestal and described longeron
Connected by foundation bolt, joist steel upright is fixed with described pedestal upper end, the top of the joist steel upright described in each
Portion and bottom are provided with hanging seat, and the hanging seat described in each has described supporting rope to pass through；Set between described supporting rope
Ring network is equipped with, drawing anchor line is provided with the hanging seat described in top, the other end of described drawing anchor line is provided with wire rope anchor,
Described wire rope anchor is arranged in rock mass, is provided with pressure-reducing ring on the drawing anchor line described in each.In above-mentioned technical proposal
In：Described longeron is continuous beam, and connects adjacent described column.
In above-mentioned technical proposal：Have layer of steel wire grid in described ring network, described supporting rope with it is described
Tightened up along ring network wound edgewise by suturing rope between ring network.
This utility model includes following technological merit：1st, hangar tunnel upper protective structure will be intercepted after a mud-rock flow
Certain thickness small particle size solid material, can not only be used for the impact-resisting wear-resisting layer of top board, it is to avoid the impact of mud-rock flow and mill again
Erosion, but also as the cushion of Rolling Stone, slows down instant impact of the Rolling Stone to top board, is finally reached the purpose of protection top board.
2nd, by the height and gradient of control column, can be with the thickness of controlroof protective layer.When the solidss for intercepting
Matter with flush at the top of ring network after, mud-rock flow solid matter will be discharged from the top of ring network, as ring network has highly permeable
Property, water body can penetrate ring network discharge, so as to the water stone for realizing mud-rock flow is separated, accelerate the row of mud-rock flow to lead.
3rd, upper protective system components are by manufacturer production, in-site installation, convenient, easy to maintain excellent with constructing
Point.
4th, under the washing away of mud-rock flow, it is loose that top board solid matter protective layer will become so as to which the buffering of Rolling Stone is imitated
Fruit will not be lost because of the consolidation of solid matter.
5th, anchor line and wire rope anchor is drawn to provide powerful pulling force so that impact of the shed hole structure in mud-rock flow and Rolling Stone
Under will not topple over and sliding, shed hole structure is more safe and reliable.
Description of the drawings
Fig. 1 is this utility model hangar tunnel entirety schematic cross-sectional view.
Fig. 2 is this utility model hangar tunnel upper protective system schematic.
In figure：Stress and drainage system A, column 1, longeron 2, crossbeam 3, top board 4, waterproof layer 5, back filled region 6, weeper drain
7th, longitudinal drainage pipe 8, transverse drain 9, guard system B, impact-resisting wear-resisting layer 10, pedestal 11, joist steel upright 12, hanging seat
12.1st, supporting rope 13, ring network 14, draw anchor line 15, pressure-reducing ring 16 and wire rope anchor 17, mud-rock flow solid matter protective layer 18,
Rolling Stone 19.
Specific embodiment
Describe performance of the present utility model below in conjunction with the accompanying drawings in detail, but they are not constituted to this utility model
Restriction, it is only for example, at the same by illustrate advantage of the present utility model will become clearer from it is easy to understand.
With reference to shown in Fig. 1-2：A kind of shed hole structure of leap debris flow gully, it includes the stress of hangar tunnel bottom and draining system
The system A and guard system B on top, described stress and drainage system A include column 1, longeron 2, crossbeam 3, top board 4, waterproof layer
5th, back filled region 6, weeper drain 7, longitudinal drainage pipe 8, transverse drain 9；
Some described columns 1 are provided with diaphragm wall along hangar tunnel longitudinal direction spaced set between two adjacent columns 1,
Longeron 2 is respectively equipped with the top and bottom of described column 1, it is during described crossbeam 3 is located at base plate and vertical with hangar tunnel both sides
1 bottom of post connects, and is overlapped with top board 4, in described top board 4 and described diaphragm wall between the longeron 2 described in shed tunnel top
Outer surface be equipped with waterproof layer 5, be provided with back filled region 6 between described column 1 and excavation face, described column 1 by excavate
Face side is provided with waterproof layer 5, is provided with weeper drain 7, described between described waterproof layer 5 and described back filled region 6
The bottom of weeper drain 7 is provided with longitudinal drainage pipe 8, and the side of described longitudinal drainage pipe 8 is provided with transverse drain 9,
Described transverse drain 9 is located in hangar tunnel base plate, and outlet is connected with the external world.Described guard system B includes that anti-impact is resistance to
Mill layer 10, pedestal 11, joist steel upright 12, supporting rope 13, ring network 14, drawing anchor line 15, pressure-reducing ring 16 and wire rope anchor 17；
The top of described waterproof layer 5 is provided with impact-resisting wear-resisting layer 10, and described pedestal 11 is located at the upper of longeron 2 described on the outside of hangar tunnel
Portion, is connected by foundation bolt between described pedestal 11 and described longeron 2, is fixed with I-shaped in described 11 upper end of pedestal
Steel column 12, the top and bottom of the joist steel upright 12 described in each are provided with hanging seat 12.1, the hanging seat described in each
12.1 have described supporting rope 13 to pass through；Ring network 14 is provided between described supporting rope 13, in the extension described in top
Drawing anchor line 15 is provided with seat 12.1, the other end of described drawing anchor line 15 is provided with wire rope anchor 17, described wire rope anchor
17 are arranged in rock mass, are provided with pressure-reducing ring 16 on the drawing anchor line 15 described in each；Described longeron 2 is continuous beam, and
The adjacent described column 1 of connection；Have layer of steel wire grid, described supporting rope 13 and described ring in described ring network 14
Tightened up along ring network wound edgewise by suturing rope between shape net 14.A kind of shed hole structure of leap debris flow gully of this utility model
Construction method, it comprises the steps；
1., hangar tunnel basis and backer side slope are excavated in advance and supporting is processed；
2., the diaphragm wall between column 1, longeron 2, crossbeam 3, top board 4 and column 1 carries out reinforcing bar colligation and template is applied
Work, and the foundation bolt embedded part of pedestal 11 is placed in the longeron 2 described in top outer；
3., to step 2. in template carry out concrete pouring construction；
4., step 3. in after the concrete that pours reaches design strength, in the outer of described top board 4 and inner side diaphragm wall
Waterproof layer 5 is laid on surface, while being also equipped with waterproof layer 5 by excavating surface side in column 1；Described waterproof layer 5 is returned with described
Filling out and between area 6, being provided with weeper drain 7, longitudinal drainage pipe 8 is longitudinally embedded with along hangar tunnel, described longitudinal drainage pipe 8 is located at institute
The bottom of the weeper drain 7 stated, is embedded with transverse drain 9, described transverse drain 9 and institute in described hangar tunnel base plate
The longitudinal drainage pipe 8 stated is connected, and the outlet of described transverse drain 9 is connected with the external world；
5., step 4. in drainage system installation qualification after, back filled region 6 is backfilled using concrete, using road
Surface concrete is poured to hangar tunnel base plate, and transverse drain 9 is embedded in hangar tunnel base plate；
6. the impact-resisting wear-resisting layer 10 positioned at described 5 top of waterproof layer is poured using scour and abrasion resistant concrete,；
7., wire rope anchor 17 is installed in rock mass, and installation pedestal 11, after reaching design strength, then I-steel is installed
Column 12 and drawing anchor line 15, are drawing one pressure-reducing ring 16 of installation on anchor line 15, finally in joist steel upright about 12 in advance per root
Ring network 14 is installed between the supporting rope 13 at two ends.
Step 7. in, 12 bottom of joist steel upright is inserted in pedestal 11, and with lower margin pre-buried in top longitudinal beam 2
Bolt connection.
Step 7. in, on the hanging seat 12.1 described in top and bottom have supporting rope 13 to pass through, and in described ring
Have layer of steel wire grid in shape net 14, and together be fastened ring network with steel wire grid, and restricted with suturing
14 edge mesh of ring network is intertwined and is tightened up with supporting rope 13.
Step 7. in, described joist steel upright 12 should be according to the thickness of shed tunnel top mud-rock flow solid matter protective layer 18
The impulsive force size of degree and Rolling Stone 19 determines height and gradient.
Described mud-rock flow solid matter protective layer 18 is that upper protective system B will be intercepted after a mud-rock flow flows through
Certain thickness solid particle size material, both can be used as the wearing course of top board, it is to avoid the impact and abrasion of mud-rock flow again；Again may be used
As the cushion of top board, slow down instant impact of the Rolling Stone to top board；And Rolling Stone 19 is then from debris flow valley and its both sides
The rock dropped on bank slope.
Above-mentioned unspecified part is prior art.
Claims (4)
1. a kind of shed hole structure of leap debris flow gully, it is characterised in that：It includes the stress and drainage system (A) of hangar tunnel bottom
With the guard system (B) on top, described stress and drainage system (A) are including column (1), longeron (2), crossbeam (3), top board
(4), waterproof layer (5), back filled region (6), weeper drain (7), longitudinal drainage pipe (8), transverse drain (9)；
Some described columns (1) are provided with diaphragm wall along hangar tunnel longitudinal direction spaced set between two adjacent columns (1),
Be respectively equipped with longeron (2) at the top and bottom of described column (1), described crossbeam (3) in base plate and with hangar tunnel two
Column (1) the bottom connection of side, is overlapped with top board (4), between the longeron (2) described in shed tunnel top in described top board (4)
Waterproof layer (5) is equipped with described continuous face of wall, back filled region (6) is provided with and between excavation face in described column (1),
Waterproof layer (5) is provided with by excavation face side in described column (1), described waterproof layer (5) and described back filled region (6) it
Between be provided with weeper drain (7), the bottom of described weeper drain (7) is provided with longitudinal drainage pipe (8), in described longitudinal direction
The side of drain pipe (8) is provided with transverse drain (9), described transverse drain (9) in hangar tunnel base plate, and export with
The external world is connected.
2. the shed hole structure of a kind of leap debris flow gully according to claim 1, it is characterised in that：Described guard system
(B) including impact-resisting wear-resisting layer (10), pedestal (11), joist steel upright (12), supporting rope (13), ring network (14), drawing anchor line
(15), pressure-reducing ring (16) and wire rope anchor (17)；Impact-resisting wear-resisting layer (10) is provided with the top of described waterproof layer (5), it is described
The longeron (2) described on the outside of hangar tunnel of pedestal (11) top, lead between described pedestal (11) and described longeron (2)
Foundation bolt connection being crossed, joist steel upright (12) being fixed with described pedestal (11) upper end, the I-steel described in each stands
The top and bottom of post (12) is provided with hanging seat (12.1), and the hanging seat (12.1) described in each has described supporting rope (13)
Pass through；Ring network (14) is provided between described supporting rope (13), drawing is provided with the hanging seat (12.1) described in top
Anchor line (15), the other end of described drawing anchor line (15) are provided with wire rope anchor (17), and described wire rope anchor (17) is arranged on
In rock mass, on the drawing anchor line (15) described in each, pressure-reducing ring (16) is provided with.
3. the shed hole structure of a kind of leap debris flow gully according to claim 1 and 2, it is characterised in that：Described longeron
(2) it is continuous beam, and connects adjacent described column (1).
4. the shed hole structure of a kind of leap debris flow gully according to claim 2, it is characterised in that：Described ring network
(14) has layer of steel wire grid in, by rope being sutured along annular between described supporting rope (13) and described ring network (14)
Network edge winding is tightened up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620985709.6U CN206035505U (en) | 2016-08-29 | 2016-08-29 | Stride across hangar tunnel structure of debris flow gully |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620985709.6U CN206035505U (en) | 2016-08-29 | 2016-08-29 | Stride across hangar tunnel structure of debris flow gully |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206035505U true CN206035505U (en) | 2017-03-22 |
Family
ID=58303828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620985709.6U Withdrawn - After Issue CN206035505U (en) | 2016-08-29 | 2016-08-29 | Stride across hangar tunnel structure of debris flow gully |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206035505U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194213A (en) * | 2016-08-29 | 2016-12-07 | 长江勘测规划设计研究有限责任公司 | A kind of shed hole structure crossing over debris flow gully and construction method |
| CN108868780A (en) * | 2018-05-19 | 2018-11-23 | 中水电第十工程局（郑州）有限公司 | A kind of method of mud-rock flow stratum tunnel excavation |
| CN109519198A (en) * | 2018-10-18 | 2019-03-26 | 中国人民解放军63926部队 | The interim inverted arch in grid cage tunnel and its installation method |
| CN109798135A (en) * | 2019-01-31 | 2019-05-24 | 中铁十四局集团建筑工程有限公司 | A kind of full framing guard system and its method for protecting support |
-
2016
- 2016-08-29 CN CN201620985709.6U patent/CN206035505U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194213A (en) * | 2016-08-29 | 2016-12-07 | 长江勘测规划设计研究有限责任公司 | A kind of shed hole structure crossing over debris flow gully and construction method |
| CN108868780A (en) * | 2018-05-19 | 2018-11-23 | 中水电第十工程局（郑州）有限公司 | A kind of method of mud-rock flow stratum tunnel excavation |
| CN108868780B (en) * | 2018-05-19 | 2019-12-03 | 中电建十一局工程有限公司 | A kind of method of mud-rock flow stratum tunnel excavation |
| CN109519198A (en) * | 2018-10-18 | 2019-03-26 | 中国人民解放军63926部队 | The interim inverted arch in grid cage tunnel and its installation method |
| CN109798135A (en) * | 2019-01-31 | 2019-05-24 | 中铁十四局集团建筑工程有限公司 | A kind of full framing guard system and its method for protecting support |
| CN109798135B (en) * | 2019-01-31 | 2020-07-10 | 中铁十四局集团建筑工程有限公司 | Full-hall support protection system and support method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170322 Effective date of abandoning: 20180703 |