CN113107549A - Tunnel waterproof drainage structure and construction method thereof - Google Patents
Tunnel waterproof drainage structure and construction method thereof Download PDFInfo
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- CN113107549A CN113107549A CN202110430883.XA CN202110430883A CN113107549A CN 113107549 A CN113107549 A CN 113107549A CN 202110430883 A CN202110430883 A CN 202110430883A CN 113107549 A CN113107549 A CN 113107549A
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- 239000004744 fabric Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 7
- 239000004746 geotextile Substances 0.000 claims description 6
- 239000004745 nonwoven fabric Substances 0.000 claims description 6
- 238000004078 waterproofing Methods 0.000 claims description 5
- 239000011324 bead Substances 0.000 claims description 4
- 238000004381 surface treatment Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
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- 229920003023 plastic Polymers 0.000 description 2
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- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
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- 230000009471 action Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/381—Setting apparatus or devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/383—Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall
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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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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The application relates to the technical field of tunnel waterproof engineering, in particular to a tunnel waterproof drainage structure and a construction method thereof, wherein the tunnel waterproof drainage structure comprises a flat waterproof base layer arranged on an initial supporting surface in a tunnel, a drainage system arranged in the tunnel, a buffer layer paved on the flat waterproof base layer and used for coating the drainage system on the inner side, a waterproof plate arranged on the buffer layer and a stability control device with one end connected to a waterproof plate package return position; the buffer layer is provided with a plurality of reinforcing layers; the other end of the stability control device is fixed on the flat waterproof base layer below the waterproof board, so that the waterproof board at the package returning position is tightly attached to the flat waterproof base layer. This application enables waterproof drainage effect of waterproof drainage structure in tunnel better.
Description
Technical Field
The application relates to the technical field of tunnel waterproof engineering, in particular to a tunnel waterproof drainage structure and a construction method thereof.
Background
At present, the tunnel waterproof project in the high-speed railway construction project occupies a large area, the tunnel waterproof drainage effect directly influences the drainage effectiveness of the tunnel lining structure, meanwhile, the construction quality of the tunnel waterproof drainage structure also has a large influence on the thickness of the lining concrete, and the service life of the lining structure is related. In the related art, as the structures of the waterproof plate, the drain pipe and the like are lighter than the lining concrete raw material, a series of problems such as displacement, floating and the like of the waterproof plate are easily generated in the secondary lining concrete pouring process in the tunnel, and further the waterproof and drainage effects of the tunnel are poor.
Therefore, a tunnel waterproof drainage structure and a tunnel waterproof drainage method are needed to improve the above problems.
Disclosure of Invention
In order to enable the waterproof and drainage effects of the waterproof and drainage structure of the tunnel to be better, the application provides the waterproof and drainage structure of the tunnel and a construction method of the waterproof and drainage structure.
First aspect, the application provides a waterproof drainage structure in tunnel adopts following technical scheme:
a tunnel waterproof drainage structure comprises a flat waterproof base layer arranged on an initial supporting surface in a tunnel, a drainage system arranged in the tunnel, a buffer layer paved on the flat waterproof base layer and used for coating the drainage system on the inner side, a waterproof board arranged on the buffer layer and a stability control device with one end connected to a waterproof board package return position;
the buffer layer is provided with a plurality of reinforcing layers;
the other end of the stability control device is fixed on the flat waterproof base layer below the waterproof board, so that the waterproof board at the package returning position is tightly attached to the flat waterproof base layer.
Through adopting above-mentioned technical scheme, level waterproof basic unit and can play first waterproof guard action, the buffer layer can prevent that waterproof level waterproof layer is surperficial protruding granule from crowded brokenly and do benefit to the drainage, and the back up coat can avoid improving the leakproofness of the joint clearance department of buffer layer. Drainage system leads rivers to escape canal department, makes tunnel arch portion water pressure obtain the release effect, avoids tunnel arch portion pressure too big, and the structure atress is uneven, and then leads to the lining cutting structure to produce the crack, and the lining cutting structure suffers destruction. The stability control device can generate pulling force to enable the waterproof plate at the position of the return package to be tightly attached to the surface of the primary support, so that the waterproof plate is prevented from floating upwards or displacing in the subsequent secondary lining concrete pouring process, and the waterproof and drainage effects of the tunnel waterproof and drainage structure are better.
Optionally, drainage system includes a plurality of hoop blind pipes of establishing on leveling waterproof basic unit, a plurality of vertical blind pipes of establishing in leveling waterproof basic unit both sides, along the horizontal blind pipe of tunnel width direction slope establishment in tunnel invert department and along the escape canal of tunnel length direction burying underground in tunnel invert department.
Through adopting above-mentioned technical scheme, the hoop blind pipe can be concentrated the water of tunnel hunch portion and guide in vertical blind pipe, then flow into the escape canal from horizontal blind pipe, make the water pressure of tunnel hunch portion and the water pressure of tunnel side release, avoid causing subsequent secondary lining to damage.
Optionally, the outer side surface of the circumferential blind pipe is coated with non-woven fabric.
Through adopting above-mentioned technical scheme, the setting of non-woven fabrics can play filterable effect, and the non-woven fabrics can filter silt, makes in the water infiltration blind pipe and discharges away, plays the effect of protection blind pipe.
Optionally, the outer side surface of the longitudinal blind pipe is coated with geotextile.
Through adopting above-mentioned technical scheme, when rivers concentrate to vertical blind pipe in along the hoop blind pipe, water pressure can increase, and the compressive capacity of vertical blind pipe can be improved to the geotechnological cloth of cladding on the vertical blind pipe lateral surface, makes vertical blind pipe be difficult for being damaged by water pressure impact.
Optionally, the drainage system further comprises a pipeline reinforcing member sleeved on the transverse blind pipe.
Through adopting above-mentioned technical scheme, when the invert department in the tunnel received by the tunnel in the too big load that the traffic flow produced, the ground of the invert department in the tunnel produced sunkenly easily, and the pipeline reinforcement can bear certain load this moment, avoids horizontal blind pipe to be damaged, influences the waterproof drainage function in tunnel.
Optionally, the drainage ditch is filled with pebbles.
Through adopting above-mentioned technical scheme, the cobble of packing in the escape canal can not only improve the compressive capacity in escape canal, can also improve the silt filter capacity in the escape canal, makes the escape canal drainage effect better, and more durable.
Optionally, the stabilization control device includes a waterproof cloth fixedly connected to the waterproof board at the package return position, a plurality of first pressing strips with lower ends fixedly connected to the waterproof cloth, and a plurality of second pressing strips with upper ends fixedly connected to the waterproof cloth;
the upper end fixed connection of first layering is on the waterproof board, the lower extreme fixed connection of second layering is on the surface of the level waterproof basic unit that is located the waterproof board below.
By adopting the technical scheme, the first pressing strip and the second pressing strip are tensioned to opposite directions, and the surface of the package returning position of the waterproof plate is tightly attached to the flat waterproof base layer through tension force, so that the problems of displacement, floating and the like of the waterproof plate caused in the later secondary lining concrete pouring process are solved.
Optionally, the width of the first pressing bar is larger than that of the second pressing bar.
Through adopting above-mentioned technical scheme, the width of first layering is great than the width of second layering to increase the area of contact between first layering and the tarpaulin and the waterproof board, first layering is fixed the tarpaulin more firmly.
Optionally, the number of the second pressing strips is larger than that of the first pressing strips within the same distance along the length direction of the tunnel.
Through adopting above-mentioned technical scheme, because the bottom of waterproof board receives buoyancy earlier when pouring the lining cutting concrete, and along with the high increase of pouring the concrete, the buoyancy that the waterproof board received is also big more, and the waterproof board below floats at first, and the quantity of second layering is many enables the waterproof board and receives decurrent pulling force and produces the point more to avoid producing the hourglass thick liquid because of the local atress of waterproof board is too big, and then lead to the waterproof board come-up.
In a second aspect, the present application provides a construction method of a tunnel waterproof drainage structure, which is used for manufacturing any one of the above tunnel waterproof drainage structures, and includes the following steps:
coating a flat waterproof base layer after base surface treatment;
installing a drainage system;
laying a buffer layer on the flat waterproof base layer;
installing a waterproof board;
and installing a stability control device.
By adopting the technical scheme, the tunnel waterproof drainage structure manufactured by the construction method has the advantages of stable structure, difficulty in damage and better waterproof drainage effect of the whole tunnel waterproof drainage structure.
In summary, the present application includes at least one of the following beneficial technical effects:
1. level waterproof basic unit in this application can play first waterproof protection effect, and the buffer layer can prevent that waterproof level waterproof layer is crowded brokenly and do benefit to the drainage by protruding granule on the surface, and the back up coat can avoid improving the leakproofness of the joint clearance department of buffer layer. Drainage system leads rivers to escape canal department, makes tunnel arch portion water pressure obtain the release, avoids tunnel arch portion pressure too big, and the structure atress is uneven, and then leads to the lining cutting structure to produce the crack, and the lining cutting structure suffers destruction. The stability control device can generate pulling force to enable the waterproof plate at the package returning position to be tightly attached to the surface of the primary support, so that the waterproof plate is prevented from floating upwards or displacing in the subsequent secondary lining concrete pouring process, and the waterproof and drainage effects of the tunnel waterproof and drainage structure are better;
2. the pipeline reinforcing member can bear a certain load, and the phenomenon that a transverse blind pipe is damaged to influence the waterproof and drainage functions of a tunnel is avoided;
3. the cobble of intussuseption in this application escape canal can not only improve the compressive capacity in escape canal, can also improve the silt filter capacity in the escape canal, makes the escape canal drainage filter effect better, and more durable.
Drawings
Fig. 1 is a tunnel waterproof drainage structure disclosed in an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a drainage system in an embodiment of the present application.
Fig. 3 is a schematic view for showing the structure of the buffer layer and the reinforcing layer.
Fig. 4 is a partially enlarged view of a portion a in fig. 1.
Fig. 5 is a construction flow block diagram of a construction method of a tunnel waterproof drainage structure disclosed in the embodiment of the present application.
Description of reference numerals: 11. leveling the waterproof base layer; 21. a drainage system; 211. a circumferential blind pipe; 212. a longitudinal blind pipe; 213. a transverse blind pipe; 214. a drainage ditch; 215. a pipe stiffener; 31. a buffer layer; 311. a reinforcement layer; 41. a waterproof sheet; 51. a stability control device; 511. waterproof cloth; 512. a first compression bar; 513. and a second pressing strip.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses waterproof drainage structures in tunnel. Referring to fig. 1 and 2, the tunnel waterproofing and drainage structure includes a flat waterproofing base layer 11, a drainage system 21, a buffer layer 31, a waterproofing sheet 41, and a stability control device 51. Wherein, level and smooth waterproof basic unit 11 sets up on the initial stage supporting surface in the tunnel, drainage system 21 in the tunnel is installed to drainage system 21, buffer layer 31 is laid on level and smooth waterproof basic unit 11, still be provided with multilayer reinforced layer 311 on buffer layer 31, waterproof board 41 sets up on buffer layer 31, the one end of stable control device 51 is connected and is returned package department at waterproof board 41, the other end of stable control device 51 is fixed on level and smooth waterproof basic unit 11 of waterproof board 41 below, the pulling force at stable control device 51 both ends makes waterproof board 41 who returns package department hug closely on level and smooth waterproof basic unit 11.
Specifically, referring to fig. 1 and 3, the flat waterproof base layer 11 is formed by coating waterproof mortar on the initial supporting surface in the tunnel to prevent the buffer layer 31 and the waterproof plate 41 from being damaged by sharp protrusions such as anchor rods, reinforcing bars and the like on the initial supporting surface in the tunnel.
Referring to fig. 2, the drainage system 21 can drain water in the tunnel to prevent the water pressure from damaging the structure of the tunnel, and the drainage system 21 includes a circumferential blind pipe 211, a longitudinal blind pipe 212, a transverse blind pipe 213 and a drainage ditch 214.
The hoop blind pipe 211 can adopt the anchoring nail and the strip ECD board fixed mounting to level on the surface of waterproof basic unit 11, and hoop blind pipe 211 sets up along circumference, and to the tunnel in rich water area, hoop blind pipe 211 installation density will increase, and the both ends of hoop blind pipe 211 communicate through three way adapter with the vertical blind pipe 212 of both sides in the tunnel respectively. In addition, in order to filter silt in the water, the annular blind pipe 211 is coated with non-woven fabrics.
The longitudinal blind pipe 212 can be fixedly installed at the bottom of the side walls at two sides in the tunnel by adopting a steel bar clamp and a rivet, and the installation gradient of the longitudinal blind pipe 212 is consistent with the gradient of the bottom of the side wall at the inner side of the tunnel. The longitudinal blind pipe 212 is connected with one end of a transverse blind pipe 213 pre-buried at an inverted arch at the bottom of the tunnel through a tee joint, and guides water flow into a drainage ditch 214. The outer side surface of the longitudinal blind pipe 212 is coated with geotextile to improve the pressure resistance of the longitudinal blind pipe 212, so that the longitudinal blind pipe 212 is not easy to be damaged due to overlarge local water pressure.
The transverse blind pipes 213 are used for guiding the water flow in the longitudinal blind pipes 212 to the drainage ditch 214, the other ends of the transverse blind pipes 213 are communicated with the drainage ditch 214, and the transverse blind pipes 213 are arranged obliquely downwards and are arranged at intervals along the length direction of the tunnel.
The drainage ditch 214 is used for discharging water flow out of the tunnel, the drainage ditch 214 can be made of PVC (polyvinyl chloride) pipes or formed by pouring concrete, and the drainage ditch 214 is buried at the inverted arch of the bottom of the tunnel along the length direction of the tunnel. For the compressive capacity and the silt filterability that improve the escape canal, make the escape canal drainage effect better, and more durable, it has the cobblestone to fill in escape canal 214 to weaken rivers and produce when getting into escape canal 214 and erode the inner wall of escape canal 214, and provide outside holding power for escape canal 214, improve the compressive capacity of escape canal.
In a possible embodiment of the present application, a pipe stiffener 215 is sleeved on the transverse blind pipe 213, the pipe stiffener 215 is composed of a metal rod and a plurality of metal annular plates welded to the metal rod along the length direction, the transverse blind pipe 213 passes through the metal annular plates, and the pipe stiffener 215 is formed by solidifying with concrete at an inverted arch in the tunnel to stiffen the transverse blind pipe 213.
Referring to fig. 1 and 3, the buffer layer 31 can prevent the protruding particles on the surface of the waterproof flat waterproof layer from being broken by extrusion and is beneficial to water filtration, the buffer layer 31 is formed by overlapping a plurality of geotextiles, and during construction, hot-melt steel nails are nailed into primary support cement after penetrating through the flat waterproof layer by a nail gun. The outer surface of the buffer layer 31 is further provided with a plurality of reinforcing layers 311, the reinforcing layers 311 can be formed by adhering non-woven fabrics on the surface of the buffer layer 31, and the reinforcing layers 311 can enable the sealing performance of the lap joints in the buffer layer 31 to be better.
The waterproof board 41 may be an EVA waterproof board or a waterproof roll board, and is fixedly mounted by pressure welding. The waterproof board 41 serves as the last waterproof barrier before the construction of the secondary lining of the tunnel, and the installation and the laying of the waterproof board are strictly in accordance with the construction flow.
Referring to fig. 1 and 4, the stabilization control device 51 is used for tightly attaching the waterproof board 41 at the package return position to the flat waterproof base layer 11 to prevent the waterproof board 41 from floating upward and displacing in the pouring process of the secondary lining concrete, and the stabilization control device 51 comprises a waterproof cloth 511, a first pressing strip 512 and a second pressing strip 513.
The waterproof cloth 511 can be fixedly installed on the waterproof cloth 511 by adopting a hot-melt nailing mode and a bonding mode, the number of the waterproof cloth 511 can be two, the waterproof cloth 511 is divided into an upper part and a lower part to be arranged and fixed, and one part of the waterproof cloth 511 positioned below is lapped on the flat waterproof base layer 11.
The first pressing strips 512 can be made of plastic tapes or ECD waterproof strips, the number of the first pressing strips 512 is multiple, the upper ends of the first pressing strips 512 are fixedly connected with the waterproof plate 41, the lower ends of the first pressing strips 512 are fixedly connected with the waterproof cloth 511, and the connection mode can be bonding or hot melt welding.
The second pressing strips 513 can be made of plastic belts and ECD waterproof strips, the number of the second pressing strips 513 is multiple, the upper ends of the second pressing strips 513 are fixedly connected to the waterproof cloth 511, the lower ends of the second pressing strips 513 are fixedly connected to the surface of the flat waterproof base layer 11, and the fixed connection mode can be bonding or hot melt welding. In order to increase a contact area between the first pressing strip 512 and the waterproof sheet 41 and the tarpaulin 511, the width of the first pressing strip 512 is larger than that of the first pressing strip 512. In addition, the number of the second beads 513 within the same distance in the tunnel length direction is greater than the number of the first beads 512.
The embodiment of the application also discloses a construction method of the tunnel waterproof drainage structure, which is used for the tunnel waterproof drainage structure in the embodiment, and the construction method comprises the following steps:
and S101, coating the flat waterproof base layer 11 after base surface treatment.
The constructor firstly carries out flatness inspection on the surface of the primary support in the tunnel, then cleans up the sharp protrusions such as the anchor rod head, the exposed steel and the like on the surface of the primary support, and paints the sharp protrusions with mortar. The primary support surface may then be sprayed with a waterproof mortar to form a flat waterproof base layer 11.
And S102, installing a drainage system 21.
Firstly, the annular blind pipes 211 can be fixedly installed on the flat waterproof base layer 11 by adopting anchor nails and strip ECD plates, each annular blind pipe 211 is arranged and installed in an arch shape along the circumferential direction, the annular blind pipes are communicated with the longitudinal blind pipes 212 laid at the bottoms of the two sides of the tunnel along the length direction of the tunnel by adopting a three-way adapter, then the longitudinal blind pipes 212 are installed and fixed, the plurality of transverse blind pipes 213 are communicated with the longitudinal blind pipes 212 in sequence by using the three-way adapter in the installation process, then the drainage ditch 214 is embedded, and finally the concrete at the inverted arch of the tunnel is poured.
And S103, paving the buffer layer 31 on the flat waterproof base layer 11.
The buffer layer 31 is formed by mutually overlapping and fixedly mounting a plurality of geotextiles on the flat waterproof base layer 11, the overlapping length between every two adjacent geotextiles is more than 5 cm, then a hot melt gasket steel nail is nailed by a nail gun to ensure that the buffer layer 31 is more firmly and stably mounted, the hot melt gasket steel nail is arranged towards two sides along the center of the tunnel in a quincunx shape, the distance between the hot melt gasket steel nails at the arch part of the tunnel is 0.5-0.8 m, and the distance between the hot melt gasket steel nails on the side walls at two sides of the tunnel is 0.8-1 m.
And S104, installing the waterproof plate 41.
Before the waterproof board 41 is laid, the cross sections of the maximum central line and the cross sections perpendicular to the central line are determined at the arch top of the tunnel to ensure that the waterproof board 41 is neat and smooth, the waterproof board 41 is fixed to a preset position, the waterproof board 41 is fixedly installed in a pressure welding mode, and the circumferential gap of the waterproof board 41 is welded and fixed through a welding machine. Then, the welding tightness of the circumferential gap of the waterproof plate 41 is detected, and when a leakage condition occurs, secondary welding sealing can be performed on the leakage point.
S105, the stabilization control device 51 is installed.
The constructor firstly fixes two pieces of waterproof cloth 511 on the surface of the waterproof plate 41 at the package returning position by using a nail gun, wherein one piece of waterproof plate 41 is downwards lapped on the flat waterproof base layer 11, and then fixedly installs the first pressing strip 512 and the second pressing strip 513 in a mode of bonding or hot-melt welding in sequence, so that the waterproof plate 41 at the package returning position is tightly attached to the flat waterproof base layer 11 by the pulling force generated by the first pressing strip 512 and the second pressing strip 513.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a waterproof drainage structures in tunnel which characterized in that: the tunnel drainage system comprises a flat waterproof base layer (11) arranged on an initial-stage supporting surface in the tunnel, a drainage system (21) arranged in the tunnel, a buffer layer (31) paved on the flat waterproof base layer (11) and used for coating the drainage system on the inner side, a waterproof plate (41) arranged on the buffer layer (31), and a stability control device (51) with one end connected to a bag returning position of the waterproof plate (41);
a plurality of reinforcing layers (311) are arranged on the buffer layer (31);
the other end of the stability control device (51) is fixed on the flat waterproof base layer (11) below the waterproof board (41), so that the waterproof board (41) at the package returning position is tightly attached to the flat waterproof base layer (11).
2. The waterproof and drainage structure for tunnel according to claim 1, wherein: drainage system (21) include a plurality of establish ring direction blind pipes (211) on leveling waterproof basic unit (11), a plurality of establish vertical blind pipe (212) of leveling waterproof basic unit (11) both sides, establish horizontal blind pipe (213) of tunnel invert department and bury gutter (214) of tunnel invert department along tunnel length direction along the slope of tunnel width direction.
3. The tunnel waterproof drain structure of claim 2, wherein: the outer side surface of the annular blind pipe (211) is coated with non-woven fabrics.
4. The tunnel waterproof drain structure of claim 2, wherein: the outer side surface of the longitudinal blind pipe (212) is coated with geotextile.
5. The tunnel waterproof drain structure of claim 2, wherein: the drainage system (21) also comprises a pipeline reinforcing member (215) sleeved on the transverse blind pipe (213).
6. The tunnel waterproof drain structure of claim 2, wherein: the drainage ditch (214) is filled with pebbles.
7. The waterproof and drainage structure for tunnel according to claim 1, wherein: the stability control device (51) comprises a waterproof cloth (511) fixedly connected to a bag returning position of the waterproof plate (41), a plurality of first pressing strips (512) with the lower ends fixedly connected with the waterproof cloth (511) and a plurality of second pressing strips (513) with the upper ends fixedly connected with the waterproof cloth (511);
the upper end fixed connection of first layering (512) is on waterproof board (41), the lower extreme fixed connection of second layering (513) is on being located waterproof board (41) below level waterproof basic unit (11) surface.
8. The waterproof and drainage structure for tunnel according to claim 7, wherein: the width of the first bead (512) is greater than the width of the second bead (513).
9. The waterproof and drainage structure for tunnel according to claim 7, wherein: the number of the second battens (513) is larger than that of the first battens (512) within the same distance along the length direction of the tunnel.
10. A tunnel waterproofing and draining method for manufacturing the tunnel waterproofing and draining structure according to any one of claims 1 to 9, comprising the steps of:
coating a flat waterproof base layer after base surface treatment;
installing a drainage system;
laying a buffer layer on the flat waterproof base layer;
installing a waterproof board;
and installing a stability control device.
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| CN202110430883.XA CN113107549B (en) | 2021-04-21 | 2021-04-21 | Tunnel waterproof drainage structure and construction method thereof |
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| CN202110430883.XA CN113107549B (en) | 2021-04-21 | 2021-04-21 | Tunnel waterproof drainage structure and construction method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06264700A (en) * | 1993-03-12 | 1994-09-20 | Nakamura Kogyo:Kk | Tunnel water leak preventing construction method |
| JPH07189597A (en) * | 1993-12-27 | 1995-07-28 | Maeda Corp | Waterproofing structure of tunnel |
| CN101463726A (en) * | 2008-12-31 | 2009-06-24 | 上海市隧道工程轨道交通设计研究院 | Edge-sealing water-proof method of plastic full-packaging waterproof layer used for tunnel |
| CN207332909U (en) * | 2017-10-25 | 2018-05-08 | 中铁二十局集团第四工程有限公司 | A kind of tunnel-liner waterproof construction structure |
| CN109441535A (en) * | 2018-11-09 | 2019-03-08 | 中国十七冶集团有限公司 | A kind of tunnel waterproof and water drainage system and its construction method |
| CN109807456A (en) * | 2019-01-02 | 2019-05-28 | 中交第二航务工程局有限公司 | A kind of anchor bar of waterproof plate in tunnels electromagnetism welding construction method |
| CN110552739A (en) * | 2019-10-09 | 2019-12-10 | 安徽中科保瑞特节能科技有限公司 | Heat-insulating integrated drainage system for tunnel auxiliary heat |
| CN212744013U (en) * | 2020-08-25 | 2021-03-19 | 北京立高立德工程技术有限公司 | Tunnel waterproof construction |
-
2021
- 2021-04-21 CN CN202110430883.XA patent/CN113107549B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06264700A (en) * | 1993-03-12 | 1994-09-20 | Nakamura Kogyo:Kk | Tunnel water leak preventing construction method |
| JPH07189597A (en) * | 1993-12-27 | 1995-07-28 | Maeda Corp | Waterproofing structure of tunnel |
| CN101463726A (en) * | 2008-12-31 | 2009-06-24 | 上海市隧道工程轨道交通设计研究院 | Edge-sealing water-proof method of plastic full-packaging waterproof layer used for tunnel |
| CN207332909U (en) * | 2017-10-25 | 2018-05-08 | 中铁二十局集团第四工程有限公司 | A kind of tunnel-liner waterproof construction structure |
| CN109441535A (en) * | 2018-11-09 | 2019-03-08 | 中国十七冶集团有限公司 | A kind of tunnel waterproof and water drainage system and its construction method |
| CN109807456A (en) * | 2019-01-02 | 2019-05-28 | 中交第二航务工程局有限公司 | A kind of anchor bar of waterproof plate in tunnels electromagnetism welding construction method |
| CN110552739A (en) * | 2019-10-09 | 2019-12-10 | 安徽中科保瑞特节能科技有限公司 | Heat-insulating integrated drainage system for tunnel auxiliary heat |
| CN212744013U (en) * | 2020-08-25 | 2021-03-19 | 北京立高立德工程技术有限公司 | Tunnel waterproof construction |
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| CN113107549B (en) | 2022-12-27 |
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