CN208267862U - A kind of bracing means at tunnel road surface crack - Google Patents
A kind of bracing means at tunnel road surface crack Download PDFInfo
- Publication number
- CN208267862U CN208267862U CN201820803799.1U CN201820803799U CN208267862U CN 208267862 U CN208267862 U CN 208267862U CN 201820803799 U CN201820803799 U CN 201820803799U CN 208267862 U CN208267862 U CN 208267862U
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- steel
- tunnel
- road surface
- tunnel road
- longitudinal
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 238000010276 construction Methods 0.000 claims abstract description 15
- 239000011435 rock Substances 0.000 claims abstract description 13
- 238000003466 welding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
Bracing means the utility model relates to Tunnel Engineering, at specifically a kind of tunnel road surface crack.The utility model solve the problems, such as existing repairing tunnel road surface method can not the inverted arch at fracture thoroughly reinforced.A kind of bracing means at tunnel road surface crack, including at tunnel road surface crack inverted arch backfill layer, support construction, discharge structure and pour in the concrete layer on three；Inverted arch backfill layer opens up square groove；Support construction includes channel steel, lateral I-steel, longitudinal I-steel and grouting rock bolt；Level is vertically fixed on tunnel arch foot to channel steel respectively；Lateral I-steel is fixedly connected with two channel steels；Lateral I-steel and longitudinal I-steel are fixedly connected to form I-shaped steel mesh, and reinforced mesh is layed in the upper and lower surface of I-shaped steel mesh；Grouting rock bolt is vertically anchored in square groove bottom surface and welds at the right-angled intersection of I-shaped steel mesh；Discharge structure is set to the top of top mat.The utility model is suitable for Tunnel Engineering.
Description
Technical field
Bracing means the utility model relates to Tunnel Engineering, at specifically a kind of tunnel road surface crack.
Background technique
Since vcehicular tunnel passes through massif, engineering geology and hydrologic condition are complicated, along with the limit of technique of design and construction
Often there are different problems in system, built vcehicular tunnel.Tunnel road surface cracking is a kind of common tunnel defect, causes tunnel
The basic reason of pavement cracking is that surrounding rock body pressure is excessive so that tunnel inverted arch is destroyed, and then finds expression in pavement cracking.
However, existing mending option is mostly that road pavement takes sectional repair, expands the methods of seam perfusion, band cover, all can only in this way
The temporarily crack of repairing tunnel road surface, can not tackle the problem at its root, and as time goes by, ground pressure increases, tunnel road
The crack in face can reappear again.Therefore, in order to solve existing repairing tunnel road surface method can not inverted arch at fracture into
The problem of row is thoroughly reinforced, it is very necessary for designing a kind of bracing means at tunnel road surface crack.
Summary of the invention
The utility model in order to solve existing repairing tunnel road surface method can not the inverted arch at fracture carry out thoroughly plus
Solid problem, provide the bracing means at a kind of tunnel road surface crack.
The utility model adopts the following technical scheme that realization:
A kind of bracing means at tunnel road surface crack, including at tunnel road surface crack inverted arch backfill layer, support construction,
It discharge structure and pours in the concrete layer on three；The inverted arch backfill layer offers the rectangular recessed of connection tunnel two sides arch springing
Slot；The support construction is set in square groove, and support construction includes channel steel, lateral I-steel, longitudinal I-steel and mortar
Anchor pole；The channel steel is two, respectively the horizontal arch springing for being vertically fixed on tunnel two sides；The both ends difference of the transverse direction I-steel
It is fixedly connected with two channel steels；Several transverse direction I-steel equidistant arrangements, and fix and connect with longitudinal I-steel of several equidistant arrangements
It connects to form I-shaped steel mesh；The upper and lower surface of the I-shaped steel mesh is equipped with reinforced mesh；Grouting rock bolt is vertically anchored in rectangular
It is welded at the right-angled intersection of groove floor and its lateral wall and I-shaped steel mesh；The number of grouting rock bolt at each right-angled intersection is
Two, and be diagonally arranged；The discharge structure is set to the top of top mat, and the discharge structure includes longitudinal row
Water pipe and transverse drain；The longitudinal drainage pipe is arranged along tunnel road surface crack, and its both ends and adjacent tunnel lateral direction are arranged
Water pipe connection；One end of transverse drain is connect with longitudinal drainage pipe by threeway；In the other end and tunnel of transverse drain
Entreat drainpipe connection.
The utility model needs to carry out tunnel road surface construction pre-treatment before the mounting, i.e., first that the road surface at crack is downward
Excavation forms square groove, and fracture slip casting is filled up, and sets steel pipe at the arch springing in tunnel with Strengthening Tunnel country rock.
The utility model is structurally reasonable, be set at tunnel road surface crack inverted arch backfill layer and support construction can bear compared with
Big deformation fundamentally solves the problems, such as tunnel road surface crack, can guarantee the normal operation in tunnel, efficiently solves existing
Repair tunnel road surface method can not the inverted arch at fracture the problem of thoroughly being reinforced, be suitable for Tunnel Engineering.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of support construction.
In figure: 1- channel steel, 2- transverse direction I-steel, the longitudinal direction 3- I-steel, 4- grouting rock bolt, 5- reinforced mesh, 6- are longitudinally arranged
Water pipe, 7- transverse drain, 8- threeway.
Specific embodiment
It is described with reference to the accompanying drawings:
A kind of bracing means at tunnel road surface crack, including at tunnel road surface crack inverted arch backfill layer, support construction,
It discharge structure and pours in the concrete layer on three；The inverted arch backfill layer offers the rectangular recessed of connection tunnel two sides arch springing
Slot；The support construction is set in square groove, and support construction includes channel steel 1, lateral I-steel 2, longitudinal I-steel 3 and sand
Starch anchor pole 4；The channel steel 1 is two, respectively the horizontal arch springing for being vertically fixed on tunnel two sides；The two of the transverse direction I-steel 2
End is fixedly connected with two channel steels 1 respectively；Several transverse direction 2 equidistant arrangements of I-steel, and longitudinal I-shaped with several equidistant arrangements
Steel 3 is fixedly connected to form I-shaped steel mesh；The upper and lower surface of the I-shaped steel mesh is equipped with reinforced mesh 5；Grouting rock bolt 4 is vertical
It is anchored in square groove bottom surface and is welded at the right-angled intersection of its lateral wall and I-shaped steel mesh；Mortar anchor at each right-angled intersection
The number of bar 4 is two, and is diagonally arranged；The discharge structure is set to the top of top mat 5, the draining knot
Structure includes longitudinal drainage pipe 6 and transverse drain 7；The longitudinal drainage pipe 6 is arranged along tunnel road surface crack, and its both ends and phase
Adjacent tunnel lateral direction drainpipe connection；One end of transverse drain 7 is connect with longitudinal drainage pipe 6 by threeway 8；Transverse drain
7 other end is connected to tunneled central drainpipe.
In specific implementation process:
Step before constructing:
A. within the scope of the 2m of tunnel road surface crack two sides, the road surface of 68cm and the regulating course side of being formed of 15cm are cut downwards
Connected in star；When forming square groove, the adjacent twice transverse drain in crack be used to connect longitudinal row of the utility model
Water pipe 6.
B. the Grouting Pipe of φ 42 is set, fracture carries out the closing of the mortar cementation of fissures.
C. the steel pipe that three φ 42 are radially set at the tunnel arch foot being located on square groove quadrangle, encloses for reinforcing
Rock；The angle of three conduits and horizontal plane is respectively 35 °, 45 °, 50 °.
Channel steel 1 is 28a channel steel；I-shaped steel mesh arranges longitudinal I-steel 3 by three and forms with several columns transverse direction I-steel 2；It is longitudinal
I-steel 3 is I16 I-steel；Lateral I-steel 2 is I20a I-steel, and adjacent two spacing for arranging lateral I-steel 2 are 5m.
The bar diameter of reinforced mesh 5 is 12mm, and bar spacing is 15 × 15cm.
The diameter of grouting rock bolt 4 is 25mm, length 2m.
The quantity of discharge structure can be arranged according to actual tunnel pavement crack quantity, to guarantee to drain unobstructed, tool at crack
Body selection is actually needed according to Tunnel Engineering and determines.
Claims (1)
1. the bracing means at a kind of tunnel road surface crack, it is characterised in that: including at tunnel road surface crack inverted arch backfill layer,
It support construction, discharge structure and pours in the concrete layer on three；The inverted arch backfill layer offers connection tunnel two sides arch
The square groove of foot；The support construction is set in square groove, support construction include channel steel (1), lateral I-steel (2),
Longitudinal I-steel (3) and grouting rock bolt (4)；The channel steel (1) is two, respectively the horizontal arch for being vertically fixed on tunnel two sides
Foot；The both ends of the transverse direction I-steel (2) are fixedly connected with two channel steels (1) respectively；Several transverse direction I-steel (2) are equidistantly arranged
Column, and I-shaped steel mesh is fixedly connected to form with longitudinal I-steel (3) of several equidistant arrangements；The upper and lower surface of the I-shaped steel mesh
It is equipped with reinforced mesh (5)；Grouting rock bolt (4) is vertically anchored in square groove bottom surface and its lateral wall and the ten of I-shaped steel mesh
The welding of word infall；The number of grouting rock bolt (4) at each right-angled intersection is two, and is diagonally arranged；The draining
For structure setting in the top of top mat (5), the discharge structure includes longitudinal drainage pipe (6) and transverse drain (7)；Institute
It states longitudinal drainage pipe (6) to arrange along tunnel road surface crack, and its both ends is connected to adjacent tunnel lateral direction drainpipe；Transverse drainage
The one end for managing (7) is connect with longitudinal drainage pipe (6) by threeway (8)；The other end and tunneled central of transverse drain (7) drain
Pipe connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820803799.1U CN208267862U (en) | 2018-05-28 | 2018-05-28 | A kind of bracing means at tunnel road surface crack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820803799.1U CN208267862U (en) | 2018-05-28 | 2018-05-28 | A kind of bracing means at tunnel road surface crack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208267862U true CN208267862U (en) | 2018-12-21 |
Family
ID=64685753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820803799.1U Expired - Fee Related CN208267862U (en) | 2018-05-28 | 2018-05-28 | A kind of bracing means at tunnel road surface crack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208267862U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410140A (en) * | 2019-07-26 | 2019-11-05 | 内蒙古工业大学 | A kind of large span artificial false bottom and preparation method thereof |
| CN111535829A (en) * | 2020-06-09 | 2020-08-14 | 中国十七冶集团有限公司 | Construction method for treating longitudinal through cracks on side surface of tunnel section hole body |
| CN111550263A (en) * | 2020-06-09 | 2020-08-18 | 中国十七冶集团有限公司 | Construction method for treating longitudinal non-through cracks on side surface of tunnel section hole body |
| CN112301829A (en) * | 2020-09-21 | 2021-02-02 | 山西省交通新技术发展有限公司 | Tunnel pavement longitudinal crack reinforcement treatment construction method |
-
2018
- 2018-05-28 CN CN201820803799.1U patent/CN208267862U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410140A (en) * | 2019-07-26 | 2019-11-05 | 内蒙古工业大学 | A kind of large span artificial false bottom and preparation method thereof |
| CN111535829A (en) * | 2020-06-09 | 2020-08-14 | 中国十七冶集团有限公司 | Construction method for treating longitudinal through cracks on side surface of tunnel section hole body |
| CN111550263A (en) * | 2020-06-09 | 2020-08-18 | 中国十七冶集团有限公司 | Construction method for treating longitudinal non-through cracks on side surface of tunnel section hole body |
| CN112301829A (en) * | 2020-09-21 | 2021-02-02 | 山西省交通新技术发展有限公司 | Tunnel pavement longitudinal crack reinforcement treatment construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 030032 Shanxi Transportation Science and Technology Park, 27 Wuluo Street, Xiaodian District, Taiyuan City, Shanxi Province Patentee after: SHANXI PROVINCIAL TRAFFIC PLANNING SURVEY AND DESIGN INSTITUTE Co.,Ltd. Address before: 030012 Shanxi Province, Taiyuan city and State Road No. 69 Patentee before: SHANXI TRAFFIC PLANNING PROSPECTING & DESIGN INSTITUTE |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |