CN109322328A - Method and system for roof waterproofing and drainage of subway stations in alpine regions - Google Patents
Method and system for roof waterproofing and drainage of subway stations in alpine regions Download PDFInfo
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- CN109322328A CN109322328A CN201811432432.4A CN201811432432A CN109322328A CN 109322328 A CN109322328 A CN 109322328A CN 201811432432 A CN201811432432 A CN 201811432432A CN 109322328 A CN109322328 A CN 109322328A
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- sump
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- 238000004078 waterproofing Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 238000005086 pumping Methods 0.000 claims abstract description 8
- 239000004567 concrete Substances 0.000 claims description 51
- 239000004927 clay Substances 0.000 claims description 20
- 239000010426 asphalt Substances 0.000 claims description 19
- 238000010276 construction Methods 0.000 claims description 12
- 239000011384 asphalt concrete Substances 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 10
- 239000004568 cement Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 239000003651 drinking water Substances 0.000 claims description 4
- 235000020188 drinking water Nutrition 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 230000002169 extracardiac Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 71
- 238000005266 casting Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 241000310637 Capillipedium spicigerum Species 0.000 description 1
- -1 bed course Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000036555 skin type Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
本发明的一种高寒地区地铁车站顶板防排水系统，包括车站顶板，车站顶板包括顶板结构和顶板防水结构；顶板结构沿横向设置有从中间向两边倾斜的横坡，顶板结构沿纵向设置有从中间向两边倾斜的纵坡；沿车站纵向的两个地连墙内部设置有排水沟，排水沟自中间向两侧设计成纵坡的形式；在排水沟的两端即车站的四个角落处设置集水井，并在集水井里面的一侧设置抽水管，在抽水管上设置有传感器，抽水机设置在地面上，当渗漏水的水量达到设定的预警水位时抽水机开始向外抽水。本发明的防排水系统中的地铁车站不仅有防水的功能，而且针对可能发生的漏水情况，设计了排水结构，横纵坡、排水沟和集水井的设计使得渗漏水能够顺利的从车站顶板排出。
The invention provides a roof waterproofing and drainage system for a subway station in an alpine region, comprising a station roof. The station roof includes a roof structure and a roof waterproof structure; The longitudinal slope in the middle is inclined to both sides; the two ground connecting walls along the longitudinal direction of the station are provided with drainage ditches, and the drainage ditches are designed in the form of longitudinal slopes from the middle to both sides; Set up a water collecting well, and set a water pumping pipe on one side of the water collecting well. A sensor is arranged on the water pumping pipe. The water pump is set on the ground. When the amount of leaking water reaches the set warning level, the water pump starts to pump water outward. The subway station in the waterproof and drainage system of the present invention not only has the function of waterproofing, but also has a drainage structure designed for the possible water leakage. discharge.
Description
Technical field
The present invention relates to subway station top plate guarded drainage technical fields, and in particular to the absolute altitude of top plate layer is higher than Groundwater
The extremely frigid zones subway station top plate guarded drainage method and system of position.
Background technique
Top layer and outermost layer of the top plate as station, it is maximum for being influenced (especially temperature and water) by extraneous factor
's.Top board construction belongs to mass concrete construction, and in this construction, the stress that the effect of concrete each section generates is quite multiple
Miscellaneous, when temperature stress is more than the pulling force limiting value that concrete can bear, concrete just will appear crack.Station early period
Crack appearance is less, but when turning cold in season, when being especially in northeast winter, since percolating water adds coagulation soil characteristics,
It may result in top board structure and new crack occur.
Peng Hongzhi discloses the patent (106436777A) of a kind of subway station skin-type waterproof construction and its construction method,
Including the outer waterproofing layer being laid on the outside of constructed main structure of subway station, outer waterproofing layer includes being laid in above top plate
Waterproof roofing layer etc., the base plate waterproofing being laid in below floor and the side wall waterproof layer being laid on the outside of side wall.
Wei Hui discloses the patent (CN203583526U) of peat matter soft soil layer waterproofing for subway station structure, including lays
Outer waterproofing layer on the outside of constructed main structure of subway station, outer waterproofing layer include that the top plate being laid in above top plate is prevented
Water layer etc., waterproof roofing layer include waterproof layer one and the pea gravel concreten protective layer one for being laid in two top of waterproof layer.
The station top plate of above patent is done from waterproof layer and protective layer, does not account for station top plate once occurring
The problem of how leak is drained.
And percolating water once occurs for station top plate, reinforced concrete structure can be easy to happen crack, and water infilters meeting
Corrosion reinforcing bar influences the use function at station；Percolating water will cause station internal environment humidity simultaneously, will affect related personnel's
Health can make moist or even rot for the equipment goods and materials at station.
Therefore it is badly in need of designing top plate guarded drainage method and system for the water leakage situation that may occur.
Summary of the invention
The object of the present invention is to provide a kind of extremely frigid zones subway station top plate guarded drainage method and system, to solve subway
Once station top plate leak, the problem of can not be drained.
To achieve the above object, the technical scheme is that
In a first aspect, a kind of extremely frigid zones subway station top plate guarded drainage method: station top plate includes from bottom to top being arranged
Top board structure and waterproof roofing structure, the water on ground is by road structure and between road structure and station top plate
After backfilling layer, the overwhelming majority is stopped by waterproof roofing structure, reaches top board structure if there is through waterproof roofing structure
Percolating water, then its gutter position that ground-connecting-wall is flowed to along the horizontal slope structure at station, then the percolating water at gutter along
The longitudinal slope structure at station flows to the sump position at station, and the water of percolating water reached the early warning water level of sump design at that time
When, the sensor emission signal inside sump is set to controller, controller issues the signal for starting to draw water and to be arranged
Water pumper at ground is started to work, and the water inside sump is extracted into the gutter at ground, last water pumper receives control
The stop signal that device processed issues stops pumping work, and whole flow process terminates.
Second aspect, a kind of extremely frigid zones subway station top plate waterproof and water drainage system, including station top plate, station top plate include
The top board structure and waterproof roofing structure being from bottom to top arranged；Top board structure is horizontally arranged with from centre to the inclined cross in both sides
Slope, top board structure are vertically arranged with from centre to the inclined longitudinal slope in both sides；The setting inside two ground-connecting-walls of station longitudinal direction
There is gutter, gutter is designed to the form of longitudinal slope from centre to two sides；Four, both ends, that is, station corner in gutter
Sump is set, and drinking-water pipe is arranged in the side inside sump, sensor is provided on drinking-water pipe, water pumper setting exists
On ground, when the water of percolating water reaches the early warning water level of setting, water pumper starts to extracardiac pumping.
Further, the waterproof roofing structure includes that the waterproof layer being arranged from bottom to top, bed course, clay layer and pitch are mixed
Solidifying soil layer；Waterproof layer, bed course, clay layer and asphalt concrete layer thickness be respectively 4mm, 10cm, 50cm and 10cm.
Further, concrete prefabricated board, the concrete prefabricated board are set above the gutter and the sump
Outer stretch out gutter and sump surface, as the protection to gutter and sump；On the concrete prefabricated board
Face reserving hole, the inflow for percolating water；It is disposed with clay layer and drip from bottom to top above the concrete prefabricated board
Green concrete layer.
Further, the waterproof roofing structure includes that the waterproof layer being arranged from bottom to top, bed course, clay layer and pitch are anti-
Water coagulation soil layer, the transverse and longitudinal gradient always exists in the construction of waterproof roofing structure.
Further, the transverse slope of the horizontal slope is 2% and/or the top rake of the longitudinal slope is 3 ‰.
Further, the width in the gutter is the long a height of 40cm*40cm* of * wide * of 40cm and/or the sump
150cm。
Further, concrete prefabricated plate thickness 30cm, the width 50cm distinguish along gutter and sump two sides
Have more 5cm.
Further, the waterproof and water drainage system further includes road structure part and between road structure and station top plate
Backfill layer；The road structure is followed successively by particulate formula bitumen concrete, middle grain formula bitumen concrete, coarse grain formula bitumen concrete, water from top to bottom
Cement-stabilizing broken stone, 12% rendzinas and 6% rendzinas；The backfill layer is that the transverse and longitudinal gradient is filled and led up using sand or gravel soil.
Further, the road structure overall thickness is 154cm, particulate formula bitumen concrete, middle grain formula bitumen concrete, the drip of coarse grain formula
Green concrete, cement stabilized macadam, 12% rendzinas and 6% rendzinas thickness be respectively 4cm, 6cm, 8cm, 36cm, 20cm and
80cm；It is described backfill layer with a thickness of 300cm.
The invention has the following beneficial effects:
(1) not only there is the function of waterproof in the subway station in the present invention, but also for the water leakage situation that may occur, design
Discharge structure, the design on transverse and longitudinal slope, gutter and sump enable percolating water to be smoothly discharged from station top plate, that is, seep
Leak flows to two sides by the horizontal slope structure at top plate, then the sump at station is flowed to by longitudinal slope, is collecting finally by setting
Drinking-water pipe in well pulls water out.Avoiding percolating water makes concrete structure that crack can occur, and water is made to infilter corrosion removal reinforcing bar,
Influence the use function at station；Avoiding percolating water simultaneously keeps station internal environment moist, influences the health of related personnel,
The goods and materials for also avoiding station can make moist or even rot.
(2) present invention also further devises a kind of road structure and backfill in addition to being improved top board structure
Layer, this greatly reduces water by reaching the amount of waterproof roofing layer after road structure and backfill layer.
Detailed description of the invention
Fig. 1 is the sectional view of top board structure of the present invention and sump waterproof construction；
Fig. 2 is top board structure of the invention, sump and the structural schematic diagram in gutter.
In figure: 1- top board structure；2- waterproof layer；3- bed course；4- clay layer；5- asphalt concrete layer；6- ground-connecting-wall；7- is passed
Sensor；8- sump；9- prefabricated board；10- clay layer；11- asphalt concrete layer；12- drainpipe；13- water pumper；The ground 14-
Drainage ditch；The gutter 15-；16- horizontal slope；17- longitudinal slope.
Specific embodiment
The present invention will be further described with attached drawing combined with specific embodiments below, to help the contents of the present invention are understood.
A kind of extremely frigid zones subway station top plate waterproof and water drainage system:
As illustrated in fig. 1 and 2, a kind of extremely frigid zones subway station top plate waterproof and water drainage system of the invention, including road structure,
Backfill layer and station top plate three parts.
Road structure is located at ground, overall thickness 154cm, and the road structure is followed successively by AC-13C particulate formula from top to bottom
Grain formula bitumen concrete, AC-25C coarse grain formula bitumen concrete, 4% cement stabilized macadam, 12% rendzinas and 6% in bitumen concrete, AC-20C
Rendzinas, the thickness of above layers are respectively 4cm, 6cm, 8cm, 36cm, 20cm and 80cm.
For the backfill layer between road structure and station top plate, the backfill layer is using sand or gravel soil vehicle
The transverse and longitudinal gradient of top plate of standing is filled and led up, and with a thickness of 300cm, the compactness requirement of banketing of sand or gravel soil is 0.95.
Station top plate, station top plate include the top board structure 1 being from bottom to top arranged and waterproof roofing structure；Top board structure 1
It is horizontally arranged with from centre to the inclined horizontal slope 16 in both sides, top board structure 1 is vertically arranged with inclined from centre to both sides
Longitudinal slope 17；The transverse slope of the horizontal slope 16 is 2%, and the top rake of the longitudinal slope 17 is 3 ‰.
The waterproof roofing structure includes the waterproof layer 2 being arranged from bottom to top, bed course 3, clay layer 4 and asphalt concrete layer
5；Waterproof layer 2, bed course 3, clay layer 4 and asphalt concrete layer 5 thickness be respectively 4mm, 10cm, 50cm and 10cm.In top plate
17 degree of transverse and longitudinal slope always exists in the construction of waterproof construction.Waterproof layer 2 is laid with using the BAC adhesive waterproof coil of 4mm thickness.
Bed course 3 uses C15 pea gravel concreten, pours 10cm thickness, before casting concrete, one layer of asphalt felt need to be covered on waterproof layer 2
Separation layer, concrete pour into strips from a side to the other side, avoid excessively impacting connector seam.The compactness of banketing of clay layer 4
It is required that being 0.95.
Station top plate further includes that two ground-connecting-walls, the 6 inside center line of station longitudinal direction is provided with gutter 15, draining
Ditch 15 is constructed to two sides according to 3 ‰ from the intermediate form for being designed to longitudinal slope 17 to two sides, longitudinal slope 17 from intermediate；In gutter 15
Sump 8 is arranged in four, both ends, that is, station corner, and drainpipe 12 is arranged in the side of 8 the inside of sump, in drainpipe
Sensor 7 is provided on 12, water pumper 13 is arranged on the ground, draws water when the water of percolating water reaches the early warning water level of setting
Machine 13 starts to be extracted into floor drain 14 to extracardiac pumping.
Drainpipe 12 selects thin-wall stainless steel water pipe, and diameter 101.6mm, stainless steel waterpipe is high pressure resistant, corrosion resistance is strong,
Life time is long.
The WL vertical sump pump of the selection model 100WL-8-4 type of water pumper 13.
The width in the gutter 15 is 40cm, the long a height of 40cm*40cm*150cm of * wide * of the sump 8.
The gutter 15 and the sump 8 are arranged concrete prefabricated board 9 above, the concrete prefabricated board 9 it is outer
Along the surface for stretching out gutter 15 and sump 8, as the protection to gutter 15 and sump 8；The concrete prefabricated board 9
Reserving hole above, the inflow for percolating water；The concrete prefabricated board 9 is disposed with clay layer 10 from bottom to top above
With asphalt concrete layer 11.9 thickness 30cm of concrete prefabricated board, width 50cm, concrete prefabricated board 9 is along 15 sum aggregate of gutter
8 two sides of well have more 5cm respectively.9 hole diameter of concrete prefabricated board is 3cm.It is sticked on the upside of concrete prefabricated board 9 with 20cm is thick
Soil layer 10 covers.
A kind of extremely frigid zones subway station top plate guarded drainage method:
Station top plate includes the top board structure 1 being from bottom to top arranged and waterproof roofing structure, and the water on ground passes through road
After structure and backfill layer between road structure and station top plate, the overwhelming majority is stopped by waterproof roofing structure, if
In the presence of the percolating water for reaching top board structure 1 through waterproof roofing structure, then it flows to ground-connecting-wall 6 along 16 structure of horizontal slope at station
15 position of gutter, then the percolating water at gutter 15 flows to sump 8 of station along 17 structure of longitudinal slope at station
It sets, when the water of percolating water reaches the early warning water level of the design of sump 8 at that time, the sensor 7 inside sump 8 is set and is emitted
Signal is to controller, and controller issues the signal for starting to draw water and the water pumper being arranged at ground 13 is started to work, collection
Water inside well 8 is extracted into floor drain 14 by drainpipe 12, and last water pumper 13 receives the stopping letter that controller issues
Number stop pumping work, and whole flow process terminates.
Specific construction procedure is as follows:
(1) 1 gradient of top board structure is constructed
1 casting concrete of top board structure, according to horizontal slope 2%, longitudinal slope 3 ‰ is constructed, and is completed top board structure 1 and is constructed.
(2) gutter 15 is constructed
It constructs at ground-connecting-wall 6, reserves gutter 15, gutter 15 is arranged in 6 centerline of ground-connecting-wall, width 40cm,
Longitudinal slope 17 is constructed to two sides according to 3 ‰ from intermediate, and horizontal slope 16 extends to gutter 15 and sump 8 from 6 both sides of the edge of ground-connecting-wall
Outside is constructed according to 2% gradient, and the ground-connecting-wall 6 of 8 other side of gutter 15 and sump is not provided with the gradient, according to conventional treatment.
(2) sump 8 is constructed
Sump 8 is arranged in four, both ends, that is, station corner in gutter 15, and the specification requirement of sump 8 is long *
The wide a height of 40cm*40cm*150cm of *.Drainpipe 12 is set inside sump 8, and sensor 7, water pumper is arranged in drainpipe 12 above
13 settings are on the ground.
(3) waterproof layer 2 is constructed
It is laid with using the BAC adhesive waterproof coil of 4mm thickness.The waterproof layer 2 of 8 side of sump and bottom is applied
Work is constructed unanimously with waterproof roofing layer 2.
(4) bed course 3 is constructed
Using C15 pea gravel concreten, 10cm thickness is poured.Before casting concrete, one layer of coal tar need to be covered on waterproof layer 2
Felt separation layer.Concrete pours into strips from a side to the other side, avoids excessively impacting connector seam.For 8 side of sump and
The bed course 3 of bottom is constructed, and is constructed unanimously with top plate bed course 3.
(5) concrete prefabricated board 9 is constructed
The setting concrete prefabricated board 9 on gutter 15 and sump 8, prefabricated board 9 thickness 30cm, width 50cm,
Hole diameter is 3cm；Prefabricated board 9 has more 5cm along gutter 15 and 8 two sides of sump respectively.With 20cm thickness on the upside of prefabricated board 9
Clay layer 4 covers.
(6) clay layer 4 and 10 is constructed
It is backfilled using clay, the clay layer of waterproof roofing structure is with a thickness of 50cm, the clay layer 10 of sump and gutter
With a thickness of 20cm, hand compaction.
(7) asphalt concrete layer 5 and 11
Bituminous concrete is used above in clay layer 4 and 10 to spread entirely, pours thickness 10cm.
(8) backfill layer construction
Sand or gravel soil can be selected to fill, compactness of banketing requirement is 0.95.The transverse and longitudinal gradient is filled out in this part
It is flat.
(9) road structure layer is constructed
Pavement structure overall thickness is 154cm, from top to bottom respectively 4cmAC-13C particulate formula bitumen concrete, in 6cmAC-20C
Grain formula bitumen concrete, 8cmAC-25C coarse grain formula bitumen concrete, 36cm4% cement stabilized macadam, 20cm12% rendzinas, 80cm6% stone
Dirt.
Specific case used herein elaborates inventive concept, the explanation of above example is only intended to
Help understands core of the invention thought.It should be pointed out that for those skilled in the art, not departing from this
Under the premise of inventive concept, any obvious modification, equivalent replacement or the other improvements made should be included in the present invention
Protection scope within.
Claims (10)
1. a kind of extremely frigid zones subway station top plate guarded drainage method, it is characterised in that: station top plate includes from bottom to top being arranged
Top board structure and waterproof roofing structure, the water on ground is by road structure and between road structure and station top plate
After backfilling layer, the overwhelming majority is stopped by waterproof roofing structure, reaches top board structure if there is through waterproof roofing structure
Percolating water, then its gutter position that ground-connecting-wall is flowed to along the horizontal slope structure at station, then the percolating water at gutter along
The longitudinal slope structure at station flows to the sump position at station, and the water of percolating water reached the early warning water level of sump design at that time
When, the sensor emission signal inside sump is set to controller, controller issues the signal for starting to draw water and to be arranged
Water pumper at ground is started to work, and the water inside sump is extracted into the gutter at ground, last water pumper receives control
The stop signal that device processed issues stops pumping work, and whole flow process terminates.
2. a kind of extremely frigid zones subway station top plate waterproof and water drainage system, it is characterised in that: including station top plate, station top plate includes
The top board structure and waterproof roofing structure being from bottom to top arranged；Top board structure is horizontally arranged with from centre to the inclined cross in both sides
Slope, top board structure are vertically arranged with from centre to the inclined longitudinal slope in both sides；
Two ground-connecting-walls along station longitudinal direction are internally provided with gutter, and gutter is designed to the shape of longitudinal slope from centre to two sides
Formula；
Sump is arranged in four, both ends, that is, station corner in gutter, and the side setting inside sump is drawn water
Pipe, is provided with sensor on drinking-water pipe, and water pumper is arranged on the ground, when the water of percolating water reaches the early warning water level of setting
When water pumper start to extracardiac pumping.
3. extremely frigid zones subway station top plate waterproof and water drainage system according to claim 2, it is characterised in that: the top plate is anti-
Water-bound includes the waterproof layer being arranged from bottom to top, bed course, clay layer and asphalt concrete layer；Waterproof layer, bed course, clay layer and
The thickness of asphalt concrete layer is respectively 4mm, 10cm, 50cm and 10cm.
4. extremely frigid zones subway station top plate waterproof and water drainage system according to claim 2, it is characterised in that: the gutter
With concrete prefabricated board is set above the sump, the table in gutter and sump is stretched out in the outer of the concrete prefabricated board
Face, as the protection to gutter and sump；Reserving hole above the concrete prefabricated board, the inflow for percolating water；
It is disposed with clay layer and asphalt concrete layer from bottom to top above the concrete prefabricated board.
5. extremely frigid zones subway station top plate waterproof and water drainage system according to claim 2, it is characterised in that: the top plate is anti-
Water-bound includes the waterproof layer being arranged from bottom to top, bed course, clay layer and asphalt waterproofing concrete layer, in waterproof roofing structure
The transverse and longitudinal gradient always exists in construction.
6. extremely frigid zones subway station top plate waterproof and water drainage system according to claim 2, it is characterised in that: the horizontal slope
Transverse slope is 2% and/or the top rake of the longitudinal slope is 3 ‰.
7. extremely frigid zones subway station top plate waterproof and water drainage system according to claim 4, it is characterised in that: the gutter
Width be 40cm and/or the sump the long a height of 40cm*40cm*150cm of * wide *.
8. extremely frigid zones subway station top plate waterproof and water drainage system according to claim 7, it is characterised in that: the concrete
Prefabricated plate thickness 30cm, width 50cm have more 5cm along gutter and sump two sides respectively.
9. extremely frigid zones subway station top plate waterproof and water drainage system according to claim 2, it is characterised in that: the guarded drainage
System further includes road structure part and the backfill layer between road structure and station top plate；The road structure on to
Under be followed successively by particulate formula bitumen concrete, middle grain formula bitumen concrete, coarse grain formula bitumen concrete, cement stabilized macadam, 12% rendzinas and 6% stone
Dirt；The backfill layer is that the transverse and longitudinal gradient is filled and led up using sand or gravel soil.
10. extremely frigid zones subway station top plate waterproof and water drainage system according to claim 9, it is characterised in that: the road
Total structure thickness is 154cm, particulate formula bitumen concrete, middle grain formula bitumen concrete, coarse grain formula bitumen concrete, cement stabilized macadam, 12% stone
The thickness of dirt and 6% rendzinas is respectively 4cm, 6cm, 8cm, 36cm, 20cm and 80cm；It is described backfill layer with a thickness of
300cm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811432432.4A CN109322328A (en) | 2018-11-27 | 2018-11-27 | Method and system for roof waterproofing and drainage of subway stations in alpine regions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811432432.4A CN109322328A (en) | 2018-11-27 | 2018-11-27 | Method and system for roof waterproofing and drainage of subway stations in alpine regions |
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| Publication Number | Publication Date |
|---|---|
| CN109322328A true CN109322328A (en) | 2019-02-12 |
Family
ID=65258158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811432432.4A Pending CN109322328A (en) | 2018-11-27 | 2018-11-27 | Method and system for roof waterproofing and drainage of subway stations in alpine regions |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111364510A (en) * | 2020-03-26 | 2020-07-03 | 成都鑫都建设工程有限公司 | Backfill structure for upper cover of subway and construction method |
| CN112282796A (en) * | 2020-11-16 | 2021-01-29 | 青海五矿中铁公路建设管理有限公司 | Pressure-adjustable waterproof plate suitable for cold region tunnel and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436826A (en) * | 2019-08-08 | 2019-11-12 | 辽宁新发展公路科技养护有限公司 | A method of prefabricated gutter is prepared using the regeneration of bituminous pavement top milling material |
| CN110436826B (en) * | 2019-08-08 | 2021-11-02 | 辽宁新发展公路科技养护有限公司 | Method for preparing prefabricated drainage ditch by utilizing asphalt pavement surface layer milling material regeneration |
| CN110805113A (en) * | 2019-11-27 | 2020-02-18 | 上海宝冶集团有限公司 | Construction method of basement roof outer side drainage ditch |
| CN111364510A (en) * | 2020-03-26 | 2020-07-03 | 成都鑫都建设工程有限公司 | Backfill structure for upper cover of subway and construction method |
| CN112282796A (en) * | 2020-11-16 | 2021-01-29 | 青海五矿中铁公路建设管理有限公司 | Pressure-adjustable waterproof plate suitable for cold region tunnel and construction method |
| CN116411583A (en) * | 2023-03-07 | 2023-07-11 | 天津市政工程设计研究总院有限公司 | A leakage water recycling system and a leakage water circulation control method |
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