CN108533315A - A kind of percolating water ejectment structure and construction method for wall in tunnel, tunnel - Google Patents
A kind of percolating water ejectment structure and construction method for wall in tunnel, tunnel Download PDFInfo
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- CN108533315A CN108533315A CN201810343649.1A CN201810343649A CN108533315A CN 108533315 A CN108533315 A CN 108533315A CN 201810343649 A CN201810343649 A CN 201810343649A CN 108533315 A CN108533315 A CN 108533315A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 238000010276 construction Methods 0.000 title claims abstract description 39
- 239000004575 stone Substances 0.000 claims abstract description 58
- 239000004567 concrete Substances 0.000 claims abstract description 54
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000004078 waterproofing Methods 0.000 claims description 7
- 230000001680 brushing effect Effects 0.000 claims description 6
- 238000009415 formwork Methods 0.000 claims description 6
- 238000002425 crystallisation Methods 0.000 claims description 5
- 230000008025 crystallization Effects 0.000 claims description 5
- 230000008595 infiltration Effects 0.000 claims description 5
- 238000001764 infiltration Methods 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims 1
- 238000007689 inspection Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 230000008439 repair process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
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- Mining & Mineral Resources (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of percolating water ejectment structures and construction method for wall in tunnel, tunnel, belong to municipal works city tunnel structure design and technical field of construction, it is therefore intended that solve the problems, such as that existing tunnel percolating water by effective Path-collection and cannot be discharged into the drainage system in tunnel.The percolating water ejectment structure of middle wall is included in the longitudinal receipts ditch being arranged at the top of anticollision kerbstone, and anticollision kerbstone outer surface is provided with several drain measure ditches, longitudinal flat stone gutter is provided on the flat stone by anticollision kerbstone bottom.The percolating water ejectment structure of side wall is included in maintaining roadway bottom and is provided with the plain concrete with cross fall and slope aspect gutter, and maintaining roadway is embedded with several transverse drains consistent with the plain concrete cross fall of maintaining roadway bottom and slope aspect gutter with gutter adjacent wall.The invention also includes the construction methods of above-mentioned percolating water ejectment structure.The percolating water ejectment structure and construction method of present invention wall suitable for tunnel, tunnel.
Description
Technical field
The invention belongs to municipal works city tunnel structure design and technical field of construction, and in particular to one kind being used for tunnel
The percolating water ejectment structure and construction method of wall in road, tunnel.
Background technology
City tunnel can effectively improve road passage capability, alleviate urban traffic pressure, and than elevated bridge occupied space
Less, small to the influence of environment.With the utilization of urban underground space, the underground trend increasingly significant of means of transportation, city
City tunnel will more enter people’s lives.
Although the design and construction technology of city tunnel are more ripe, anti-row's problem of tunnel structure percolating water is still
It is the emphasis and difficult point in design and construction.Tunnel structure waterproof system include concrete structure self-waterproofing, outer waterproofing layer and
The thin portions water proof structure such as deformation joint, construction joint, wall pipe, built-in fitting.Although all taking much count of tunnel in overall process of designing and constructing
Waterproof and water drainage system, but percolating water phenomenon or inevitable, all possible generation in the positions such as waterproof layer, detail structure in Practical Project
Different degrees of percolating water.
Tunnel structure percolating water causes humid environment in tunnel, shortens the service life of tunnel auxiliary facility, increases and safeguards
Expense.Percolating water can lead to concrete structure damage, road surface large area ponding in tunnel when serious, not only influence traffic safety,
The service life of structure can also be reduced.
City tunnel generally uses armored concrete single hole or multiple box culvert structure, and box culvert structure is by top plate and bottom plate, side wall
And middle wall (multiple box culvert) composition.Along the longitudinally disposed maintaining roadway in tunnel and gutter, the bottoms Zhong Qiang are vertical along tunnel for side wall bottom
To setting anticollision kerbstone.Fig. 1 show typical diplopore box culvert structure cross section.
At present in engineering, common anticollision kerbstone and flat stone (A drawings), maintaining roadway and gutter (B drawings)
As shown in Figure 2 and Figure 3.When percolating water occurs for the detail structures such as tunnel structure waterproof layer, deformation joint, therefrom wall flows down meeting to percolating water
It covers anticollision kerbstone A1 to arrange to tunnel road surface by flat stone A2, then is discharged into the longitudinal drainage gutter in tunnel by acclive road surface
In B2, drainage pattern inorganization is random；Percolating water is flowed down from side wall to be directly discharged into maintaining roadway by maintaining roadway B1 cover board holes
In B1, maintaining roadway internal water accumulation, no exclusion channel are caused.The percolating water of middle wall and side wall cannot be by effective Path-collection side by side
Enter in the drainage system in tunnel, influence appearance quality inside and outside tunnel, may bring traffic safety hidden danger, therefore, timely and effectively arrange
Except the percolating water in tunnel is very necessary.
Invention content
It is an object of the invention to：A kind of percolating water ejectment structure for wall in tunnel, tunnel is provided, existing tunnel is solved
Road percolating water cannot be by effective Path-collection and the problem of be discharged into the drainage system in tunnel.
Another object of the present invention is to：A kind of percolating water ejectment structure construction side for wall in tunnel, tunnel is provided
Method.
The technical solution adopted by the present invention is as follows：
A kind of percolating water ejectment structure for wall in tunnel includes along length of tunnel direction and being arranged in the bottoms Zhong Qiang
Anticollision kerbstone is provided with flat stone by anticollision kerbstone, be provided at the top of anticollision kerbstone it is longitudinal receive ditch, it is longitudinal to receive ditch longitudinal slope and tunnel
Road longitudinal slope is consistent, and anticollision kerbstone outer surface is provided with several drain measure ditches, is provided on the flat stone by anticollision kerbstone bottom
Longitudinal flat stone gutter, longitudinal flat stone gutter longitudinal slope are consistent with tunnel longitudinal slope.
Further, it is divided into 10m between adjacent two sections of drain measure ditches.
Further, drain measure ditch is the semicircle drain measure ditch that radius is 25mm.
Further, longitudinal ditch of receiving is the longitudinal receipts ditch of semicircle that radius is 25mm.
Further, longitudinal flat stone gutter is the longitudinal flat stone gutter of semicircle that radius is 50mm.
A kind of percolating water ejectment construction method for wall in tunnel includes the following steps：
S1, wall in integrated cast structure, in the structure wall and the pre-buried water-swelling rubber water bar in joint at the top of anticollision kerbstone；
Wall in structure is in contact part dabbing by S2 with anticollision kerbstone side, surface layer brushing cement-base infiltration crystallization waterproof
Agent；
S3, the binding of anticollision kerbstone reinforcing bar and formwork erection；
When formwork erection, the semicircle drain measure that radius is 25mm is reserved in anticollision kerbstone outer surface every 10m by S4
Ditch, segmentation pour anticollision kerbstone concrete；
S5 waits for anticollision kerbstone concrete initial set, and the pipe discharge by pressing radius for being 25mm with radius at the top of anticollision kerbstone is
The semicircle of 25mm is longitudinal to receive ditch；
S6, after anticollision kerbstone concrete reaches intensity, form removal, external coating cement-base infiltration crystallization type water-proof
Agent；
S7 after the completion of pavement structure pavement construction, paves the longitudinal flat stone gutter of the semicircle that reserved radius is 50mm.
A kind of percolating water ejectment structure for tunnel, including the percolating water ejectment structure of middle wall and the percolating water of side wall draw
Structure is arranged, the percolating water ejectment structure of the middle wall is the leak ejectment knot that the middle wall described in any one of claim 1-5 oozes
Structure, the percolating water ejectment structure of the side wall include being set to the maintaining roadway of side wall bottom, and maintaining roadway is also set far from side wall side
It is equipped with gutter, maintaining roadway bottom is provided with the plain concrete with cross fall and slope aspect gutter, maintaining roadway and row
Waterside ditch adjacent wall is embedded with several consistent with the plain concrete cross fall of maintaining roadway bottom and slope aspect gutter cross
To drainpipe B4.
Further, plain concrete is C15 plain concretes, and the minimum thickness of plain concrete is 100mm, the cross of plain concrete
It is 2% to the gradient.
Further, it is divided into 10m between adjacent two transverse drains.
A kind of percolating water ejectment construction method for tunnel includes the percolating water ejectment construction method of middle wall
Percolating water ejectment construction method with the percolating water ejectment construction method of side wall, the middle wall is claim 6 institute
The percolating water ejectment construction method of the percolating water ejectment construction method for the middle wall stated, the side wall includes following step
Suddenly：
S'1 backfills C15 plain concretes, the minimum thickness 100mm of plain concrete, plain concrete transverse direction in maintaining roadway bottom
The gradient 2%, plain concrete slope aspect gutter；
S'2, every 10m in maintaining roadway and gutter adjacent wall bar-mat reinforcement pre-buried installation diameter 50mmPVC materials
Transverse drain, transverse drain cross fall 2%, transverse drain slope aspect gutter；
S'3, supporting module pour maintaining roadway and gutter side wall concrete；
S'4, after waiting for that concrete reaches intensity, form removal, maintaining roadway and gutter inner surface brushing cement base are oozed
Saturating crystalline waterproofing agent.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1, in the present invention, the percolating water ejectment structure of wall in tunnel is provided with longitudinal receipts ditch A3 at the top of anticollision kerbstone,
It is provided with drain measure ditch A4 in anticollision kerbstone outer surface, longitudinal flat stone draining is provided on the flat stone of anticollision kerbstone bottom
The percolating water of wall in tunnel can be collected by specific path and is discharged into the drainage system in tunnel by ditch A5, anticollision kerbstone
Longitudinal ditch A3 that receives at top collects percolating water, and longitudinal receipts ditch A3 longitudinal slopes are consistent with tunnel longitudinal slope, and the percolating water of collection passes through
The reserved drain measure ditch A4 of anticollision kerbstone outer surface is flowed into the flat stone gutter A5 in longitudinal direction adjacent with anticollision kerbstone bottom,
Longitudinal flat stone gutter A5 longitudinal slopes are consistent with tunnel longitudinal slope, and the percolating water in longitudinal flat stone gutter A5 is discharged into tunnel with tunnel longitudinal slope
In the transversal ditch of road minimum point or the inspection shaft of pre-buried transverse drain, and then it is discharged into tunnel drainage system.Tunnel Zhong Qiang
Percolating water ejectment structure design it is simple, percolating water by effective Path-collection and can be discharged into the drainage system in tunnel, it is real
The application of border engineering is strong.And pre-buried a large amount of drainpipe ejectment percolating water, construction need not be easier under road surface, cost is more
Economy, repair are more convenient.
2, in the present invention, the percolating water ejectment structure of tunnel sidewalls, element of the bottoms the maintaining roadway B1 backfill with cross fall
Concrete B3 forms difference in height with gutter bottom, and maintaining roadway cover board hole collects percolating water, then passes through maintaining roadway and draining side
Percolating water of the siltation in maintaining roadway can be effectively discharged, by percolating water in the transverse drain B4 being arranged on ditch adjacent wall
It has been directly discharged into tunnel drainage gutter, then has been discharged into the transversal ditch of tunnel minimum point or the inspection shaft of pre-buried transverse drain, into
And it is discharged into tunnel drainage system.The percolating water ejectment structure design of the tunnel sidewalls is simpler, can be by percolating water by effective
Path-collection is simultaneously discharged into the drainage system in tunnel, and the application of Practical Project is strong.And it constructs and is easier, cost is more economical,
Repair is more convenient.
Description of the drawings
Fig. 1 is typical diplopore box culvert structure cross-sectional view；
Fig. 2 is common anticollision kerbstone and flat stone figure；
Fig. 3 is common maintaining roadway and gutter figure；
Fig. 4 is the anticollision kerbstone of the present invention and flat stone figure；
Fig. 5 is the maintaining roadway and gutter figure of the present invention；
It is marked in figure：Wall in wall, 5- top plates finishing layer, 6- side walls finishing layer, 7- in 1- top plates, 2- bottom plates, 3- side walls, 4-
Fit up layer, 8- pavement structures, A- anticollisions kerbstone and flat stone, A1- anticollisions kerbstone, the flat stones of A2-, A3- longitudinally receipts ditch, A4- water conservancy diversion
Gutter, the flat stone gutters A5-, A6- water-swelling rubber water bars, B- maintaining roadways and gutter, B1- maintaining roadways, B2-
Gutter, B3- plain concretes, B4- transverse drains.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
A kind of percolating water ejectment structure for wall in tunnel includes along length of tunnel direction and being arranged in the bottoms Zhong Qiang
It is provided with flat stone A2 by anticollision kerbstone A1, anticollision kerbstone A1, longitudinal receipts ditch A3 is provided at the top of anticollision kerbstone A1, it is longitudinal to receive water
Ditch A3 longitudinal slopes are consistent with tunnel longitudinal slope, and anticollision kerbstone A1 outer surfaces are provided with several drain measure ditch A4, the bottoms anticollision kerbstone A1
Longitudinal flat stone gutter A5 is provided on the flat stone A2 of radical, longitudinal flat stone gutter A5 longitudinal slopes are consistent with tunnel longitudinal slope.
Further, it is divided into 10m between adjacent two sections of drain measure ditches A4.
Further, drain measure ditch A4 is the semicircle drain measure ditch A4 that radius is 25mm.
Further, longitudinal ditch A3 that receives is the longitudinal receipts ditch A3 of semicircle that radius is 25mm.
Further, longitudinal flat stone gutter A5 is the longitudinal flat stone gutter A5 of semicircle that radius is 50mm.
A kind of percolating water ejectment construction method for wall in tunnel includes the following steps：
S1, wall in integrated cast structure, in the structure wall and the pre-buried hydro-expansive rubber sealing in joint at the top of anticollision kerbstone A1
A6；
Wall in structure is in contact part dabbing by S2 with the sides anticollision kerbstone A1, and brushing cement-base infiltration crystallization in surface layer is anti-
Aqua；
S3, the binding of anticollision kerbstone A1 reinforcing bars and formwork erection；
S4 when formwork erection, reserves the semicircle water conservancy diversion that radius is 25mm every 10m in anticollision kerbstone A1 outer surfaces and arranges
Ditch A4, segmentation pour anticollision kerbstone A1 concrete；
S5 waits for anticollision kerbstone A1 concrete initial sets, the pipe discharge by pressing half for being 25mm with radius at the top of anticollision kerbstone A1
The longitudinal receipts ditch A3 of semicircle that diameter is 25mm；
S6, after anticollision kerbstone concrete reaches intensity, form removal, external coating cement-base infiltration crystallization type water-proof
Agent；
S7 after the completion of pavement structure pavement construction, paves the longitudinal flat stone gutter of the semicircle that reserved radius is 50mm.
A kind of percolating water ejectment structure for tunnel, including the percolating water ejectment structure of middle wall and the percolating water of side wall draw
Structure is arranged, the percolating water ejectment structure of the middle wall is the leak ejectment knot that the middle wall described in any one of claim 1-5 oozes
Structure, the percolating water ejectment structure of the side wall include being set to the maintaining roadway of side wall bottom, and maintaining roadway is also set far from side wall side
It is equipped with gutter, the bottoms maintaining roadway B1 are provided with the plain concrete B3 with cross fall and slope aspect gutter, maintaining roadway
B1 is embedded with several consistent with the plain concrete B3 cross falls of maintaining roadway bottom and slope aspect with gutter adjacent wall and drains
The transverse drain B4 of gutter.
Further, plain concrete is C15 plain concretes, and the minimum thickness of plain concrete is 100mm, the cross of plain concrete
It is 2% to the gradient.
Further, it is divided into 10m between adjacent two transverse drains.
A kind of percolating water ejectment construction method for tunnel includes the percolating water ejectment construction method of middle wall
Percolating water ejectment construction method with the percolating water ejectment construction method of side wall, the middle wall is claim 6 institute
The percolating water ejectment construction method of the percolating water ejectment construction method for the middle wall stated, the side wall includes following step
Suddenly：
S'1 backfills C15 plain concretes, the minimum thickness 100mm of plain concrete, plain concrete transverse direction in maintaining roadway bottom
The gradient 2%, plain concrete slope aspect gutter；
S'2, every 10m in maintaining roadway and gutter adjacent wall bar-mat reinforcement pre-buried installation diameter 50mmPVC materials
Transverse drain, transverse drain cross fall 2%, transverse drain slope aspect gutter；
S'3, supporting module pour maintaining roadway and gutter side wall concrete；
S'4, after waiting for that concrete reaches intensity, form removal, maintaining roadway and gutter inner surface brushing cement base are oozed
Saturating crystalline waterproofing agent.
Embodiment 1
A kind of percolating water ejectment structure for wall in tunnel includes along length of tunnel direction and being arranged in the bottoms Zhong Qiang
It is provided with flat stone by anticollision kerbstone A1, anticollision kerbstone A1, longitudinal receipts ditch A3 is provided at the top of anticollision kerbstone A1, it is longitudinal to receive ditch
A3 longitudinal slopes are consistent with tunnel longitudinal slope, and anticollision kerbstone A1 outer surfaces are provided with several drain measure ditch A4, the bottoms anticollision kerbstone A1
Longitudinal flat stone gutter A5 is provided on other flat stone, longitudinal flat stone gutter A5 longitudinal slopes are consistent with tunnel longitudinal slope.Adjacent two sections
It is divided into 10m between drain measure ditch.Drain measure ditch is the semicircle drain measure ditch that radius is 25mm.Longitudinal ditch of receiving is half
The longitudinal receipts ditch of semicircle that diameter is 25mm.Longitudinal flat stone gutter is the longitudinal flat stone gutter of semicircle that radius is 50mm.
It is provided with longitudinal receipts ditch A3 at the top of anticollision kerbstone A1, drain measure ditch A4 is provided in anticollision kerbstone A1 outer surfaces,
It is provided with longitudinal flat stone gutter A5 on the flat stone of the bottoms anticollision kerbstone A1, the percolating water of wall in tunnel can be pressed specific path
It is collected and is discharged into the drainage system in tunnel, longitudinal ditch A3 that receives at the top of anticollision kerbstone A1 collects percolating water, Zong Xiangshou
Ditch A3 longitudinal slopes are consistent with tunnel longitudinal slope, and the percolating water of collection passes through the reserved drain measure ditch A4 of anticollision kerbstone A1 outer surfaces
It flows into the flat stone gutter A5 in longitudinal direction adjacent with the anticollision bottoms kerbstone A1, longitudinal flat stone gutter A5 longitudinal slopes and tunnel longitudinal slope one
It causes, the percolating water in longitudinal flat stone gutter A5 is discharged into the transversal ditch of tunnel minimum point or pre-buried transverse drain with tunnel longitudinal slope
Inspection shaft in, and then be discharged into tunnel drainage system.The percolating water ejectment structure design of wall is simple in the tunnel, can will leak
Water is by effective Path-collection and is discharged into the drainage system in tunnel, and the application of Practical Project is strong.And it need not be under road surface
Pre-buried a large amount of drainpipe ejectment percolating water, construction are easier, and cost is more economical, and repair is more convenient.
Embodiment 2
A kind of percolating water ejectment structure for tunnel, including the percolating water ejectment structure of middle wall and the percolating water of side wall draw
Structure is arranged, the percolating water ejectment structure of wall in tunnel includes that along length of tunnel direction and anticollision kerbstone in the bottoms Zhong Qiang is arranged
Be provided with flat stone by A1, anticollision kerbstone A1, be provided at the top of anticollision kerbstone A1 it is longitudinal receive ditch A3, it is longitudinal receive ditch A3 longitudinal slopes with
Tunnel longitudinal slope is consistent, and anticollision kerbstone A1 outer surfaces are provided with several drain measure ditch A4, the flat stone by the bottoms anticollision kerbstone A1
On be provided with longitudinal flat stone gutter A5, longitudinal flat stone gutter A5 longitudinal slopes are consistent with tunnel longitudinal slope.Adjacent two sections of drain measures
10m is divided between ditch.Drain measure ditch is the semicircle drain measure ditch that radius is 25mm.It is 25mm that longitudinal receipts ditch, which is radius,
Semicircle longitudinal receive ditch.Longitudinal flat stone gutter is the longitudinal flat stone gutter of semicircle that radius is 50mm.Side wall oozes
Leak ejectment structure includes being set to the maintaining roadway of side wall bottom, and maintaining roadway is additionally provided with gutter far from side wall side, inspection
Bottoms B1 of cultivating oneself according to a religious doctrine are provided with the plain concrete B3 with cross fall and slope aspect gutter, and maintaining roadway B1 is adjacent with gutter
Side wall is embedded with several consistent with the plain concrete B3 cross falls of maintaining roadway bottom and slope aspect gutter transverse drain
B4., the percolating water ejectment structure of wall in tunnel, be provided at the top of anticollision kerbstone A1 it is longitudinal receive ditch A3, in anticollision kerbstone A1
Outer surface is provided with drain measure ditch A4, and longitudinal flat stone gutter A5 is provided on the flat stone of the bottoms anticollision kerbstone A1, can
The percolating water of wall in tunnel is collected by specific path and is discharged into the drainage system in tunnel, at the top of anticollision kerbstone A1
Longitudinal ditch A3 that receives collects percolating water, and longitudinal receipts ditch A3 longitudinal slopes are consistent with tunnel longitudinal slope, and the percolating water of collection passes through anticollision side
The reserved drain measure ditch A4 of stone A1 outer surfaces is flowed into the flat stone gutter A5 in longitudinal direction adjacent with the anticollision bottoms kerbstone A1,
Longitudinal flat stone gutter A5 longitudinal slopes are consistent with tunnel longitudinal slope, and the percolating water in longitudinal flat stone gutter A5 is discharged into tunnel with tunnel longitudinal slope
In the transversal ditch of road minimum point or the inspection shaft of pre-buried transverse drain, and then it is discharged into tunnel drainage system.Tunnel Zhong Qiang
Percolating water ejectment structure design it is simple, percolating water by effective Path-collection and can be discharged into the drainage system in tunnel, it is real
The application of border engineering is strong.And pre-buried a large amount of drainpipe ejectment percolating water, construction need not be easier under road surface, cost is more
Economy, repair are more convenient.The percolating water ejectment structure of tunnel sidewalls, plain coagulation of the bottoms the maintaining roadway B1 backfill with cross fall
Native B3 forms difference in height with gutter bottom, and maintaining roadway cover board hole collects percolating water, then passes through maintaining roadway and gutter phase
Percolating water of the siltation in maintaining roadway can be effectively discharged in the transverse drain B4 being arranged on adjacent side wall, and percolating water is direct
It has been discharged into tunnel drainage gutter, then has been discharged into the transversal ditch of tunnel minimum point or the inspection shaft of pre-buried transverse drain, Jin Erpai
Enter in tunnel drainage system.The percolating water ejectment structure design of the tunnel sidewalls is simpler, can percolating water be pressed effective path
It collects and is discharged into the drainage system in tunnel, the application of Practical Project is strong.And it constructs and is easier, cost is more economical, repair
It is more convenient.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of percolating water ejectment structure for wall in tunnel includes along length of tunnel direction and being arranged in the anti-of the bottoms Zhong Qiang
Kerbstone is hit, flat stone is provided with by anticollision kerbstone, which is characterized in that longitudinal receipts ditch is provided at the top of anticollision kerbstone, it is longitudinal to receive water
Ditch longitudinal slope is consistent with tunnel longitudinal slope, and anticollision kerbstone outer surface is provided with several drain measure ditches, flat by anticollision kerbstone bottom
Longitudinal flat stone gutter is provided on stone, longitudinal flat stone gutter longitudinal slope is consistent with tunnel longitudinal slope.
2. a kind of percolating water ejectment structure for wall in tunnel described in accordance with the claim 1, which is characterized in that adjacent two sections
It is divided into 10m between drain measure ditch.
3. a kind of percolating water ejectment structure for wall in tunnel according to claim 2, which is characterized in that drain measure
Ditch is the semicircle drain measure ditch that radius is 25mm.
4. a kind of percolating water ejectment structure for wall in tunnel described in accordance with the claim 1, which is characterized in that longitudinal to receive water
Ditch is the longitudinal receipts ditch of semicircle that radius is 25mm.
5. a kind of percolating water ejectment structure for wall in tunnel described in accordance with the claim 1, which is characterized in that longitudinal flat stone
Gutter is the longitudinal flat stone gutter of semicircle that radius is 50mm.
6. a kind of percolating water ejectment construction method for wall in tunnel, which is characterized in that include the following steps：
S1, wall in integrated cast structure, in the structure wall and the pre-buried water-swelling rubber water bar in joint at the top of anticollision kerbstone；
Wall in structure is in contact part dabbing by S2 with anticollision kerbstone side, surface layer brushing cement-base infiltration crystallization waterproofing agent；
S3, the binding of anticollision kerbstone reinforcing bar and formwork erection；
When formwork erection, the semicircle drain measure ditch that radius is 25mm is reserved in anticollision kerbstone outer surface every 10m by S4,
Segmentation pours anticollision kerbstone concrete；
S5 waits for anticollision kerbstone concrete initial set, and the pipe discharge by pressing radius for being 25mm with radius at the top of anticollision kerbstone is 25mm
Semicircle longitudinal receive ditch；
S6, after anticollision kerbstone concrete reaches intensity, form removal, external coating cementitious capillary crystalline waterproofing agent；
S7 after the completion of pavement structure pavement construction, paves the longitudinal flat stone gutter of the semicircle that reserved radius is 50mm.
7. a kind of percolating water ejectment structure for tunnel, which is characterized in that percolating water ejectment structure and side wall including middle wall
Percolating water ejectment structure, the percolating water ejectment structure of the middle wall is what the middle wall described in any one of claim 1-5 oozed
The percolating water ejectment structure of leak ejectment structure, the side wall includes being set to the maintaining roadway of side wall bottom, and maintaining roadway is far from side
Wall side is additionally provided with gutter, and maintaining roadway bottom is provided with the plain concrete with cross fall and slope aspect gutter,
Maintaining roadway is embedded with several consistent with the plain concrete cross fall of maintaining roadway bottom and slope aspect with gutter adjacent wall and arranges
The transverse drain of waterside ditch.
8. a kind of percolating water ejectment structure for tunnel according to claim 7, which is characterized in that plain concrete is
The minimum thickness of C15 plain concretes, plain concrete is 100mm, and the cross fall of plain concrete is 2%.
9. a kind of percolating water ejectment structure for tunnel according to claim 7, which is characterized in that adjacent two transverse directions
10m is divided between drainpipe.
10. a kind of percolating water ejectment construction method for tunnel, which is characterized in that the percolating water ejectment knot including middle wall
The percolating water ejectment construction method of the percolating water ejectment construction method of structure construction method and side wall, the middle wall is power
Profit requires the percolating water ejectment construction method of the middle wall described in 6, the percolating water ejectment construction method packet of the side wall
Include following steps：
S'1 backfills C15 plain concretes, the minimum thickness 100mm of plain concrete, plain concrete cross fall in maintaining roadway bottom
2%, plain concrete slope aspect gutter；
S'2, every the cross of 10m pre-buried installation diameter 50mmPVC materials in maintaining roadway and gutter adjacent wall bar-mat reinforcement
To drainpipe, transverse drain cross fall 2%, transverse drain slope aspect gutter；
S'3, supporting module pour maintaining roadway and gutter side wall concrete；
S'4, after waiting for that concrete reaches intensity, form removal, maintaining roadway and gutter inner surface brushing cement-based penetrant knot
Crystal form waterproofing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343649.1A CN108533315A (en) | 2018-04-17 | 2018-04-17 | A kind of percolating water ejectment structure and construction method for wall in tunnel, tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (1)
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| CN109989766A (en) * | 2019-04-29 | 2019-07-09 | 中铁第四勘察设计院集团有限公司 | Unidirectional shield tunnel construction with emergency temporary parking hole |
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