CN117166504A - Construction method of subway water-rich stratum structure deformation joint water leakage drainage system - Google Patents
Construction method of subway water-rich stratum structure deformation joint water leakage drainage system Download PDFInfo
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- CN117166504A CN117166504A CN202311432541.7A CN202311432541A CN117166504A CN 117166504 A CN117166504 A CN 117166504A CN 202311432541 A CN202311432541 A CN 202311432541A CN 117166504 A CN117166504 A CN 117166504A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 238000010276 construction Methods 0.000 title claims abstract description 29
- 230000000903 blocking effect Effects 0.000 claims description 17
- 230000002787 reinforcement Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000007788 roughening Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 238000004078 waterproofing Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 45
- 230000008595 infiltration Effects 0.000 description 10
- 238000001764 infiltration Methods 0.000 description 10
- 239000010438 granite Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000011083 cement mortar Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Abstract
The application relates to the technical field of subway waterproofing, in particular to a construction method of a water leakage drainage system of a deformation joint of a subway water-rich stratum structure.
Description
Technical Field
The application belongs to the technical field of subway waterproofing, and particularly relates to a construction method of a subway water-rich stratum structure deformation joint water leakage drainage system.
Background
The traditional subway station structure is generally provided with deformation joints between the main body and the auxiliary parts so as to avoid structural cracking caused by uneven settlement, but the drainage system is not arranged at the deformation joints, and only the buried water stop belt is adopted for stopping water. The embedded rubber water stop is a water stop product mainly used for setting up inside a concrete deformation joint, and has the capability of adapting to the expansion deformation of concrete in the elastic and structural modes of rubber materials. Although the deformation joint adopts a waterproof measure such as a buried water stop, the factors such as difficult actual construction conditions, construction quality, side wall water leakage, blockage of a wall-separating ditch and the like still cause serious phenomena such as water seepage, wet stain and the like of the deformation joint, and the pedestrian passing and the attractiveness are seriously affected. The construction for solving the water seepage problem is quite difficult, and the durable reliability of the construction quality is also difficult to ensure.
In fact, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The application aims to overcome the defects in the prior art, and provides a construction method of a subway water-rich stratum structure deformation joint water leakage drainage system.
In order to achieve the above object, the present application provides the following technical solutions:
the construction method of the subway water-rich stratum structure deformation joint water leakage drainage system comprises the steps that water blocking ridges are arranged on two sides of a deformation joint, wall separation grooves are formed on two sides of a station bottom plate, two water blocking ridges arranged between any two adjacent deformation joints are C-shaped ridges, the opening sides of the C-shaped ridges point to the wall separation grooves along the length direction of the deformation joint, and a central drainage groove extending along the trend of a station hall is formed in the middle of the station hall by the closed ends of the C-shaped ridges;
the method comprises the following steps:
s1, carrying out water blocking ridge and wall-separating ditch measurement paying-off on a base layer of bottom plate concrete;
step S2, cleaning and roughening the base layer;
step S3, binding a reinforcement cage corresponding to the water retaining ridge above the base layer, and arranging a template outside the reinforcement cage;
step S4, binding the reinforcement cages corresponding to the wall-separating ditches, and installing a water retaining ridge template;
s5, synchronously pouring concrete of the water retaining ridge and the wall separating groove, removing the mold after pouring is finished, and cleaning sundries;
and S6, coating waterproof paint on the inner surface and the outer surface of the water retaining ridge and the wall separating groove and the upper surface of the base layer to form a first waterproof layer, and then performing floor layer construction of the bottom plate concrete.
Preferably, in step S5, a waterproof material is painted on the bottom of the water blocking ridge and the wall-separating trench before the concrete pouring is performed.
Preferably, drainage ditches which are mutually communicated with the central drainage ditches are arranged on two sides of the deformation joints, and a floor drain is arranged in the drainage ditches.
Preferably, in any one of the gutters, at least one floor drain is located in a communication position between the central gutter and the gutters.
Preferably, the water blocking ridge between the drainage ditch and the deformation joint is a straight ridge or a C-shaped ridge extending along the length direction of the deformation joint.
Preferably, a notch is arranged on the side wall of the wall separation groove corresponding to the opening side of the C-shaped ridge.
Preferably, the construction joint is low in the middle and high in the two ends, and the gradients of the two sides and the two ends of the central drainage groove are not less than one percent.
Preferably, stainless steel cover plates are laid above the deformation joints and the drainage ditches.
Preferably, a central ridge is arranged in the middle of the C-shaped ridge, and inclined surfaces extending to the base layer are arranged on two sides of the central ridge.
The beneficial effects are that: setting up manger plate bank and escape canal, can drain away the seepage hydroenergy of movement joint or construction joint as early as possible through manger plate bank and escape canal, guarantee that the infiltration can not appear in the access & exit behind the subway station operation, effectively eliminate the structure and leak water and collect unable emission and lead to marble ground wet-spot infiltration, ensure construction quality's durable reliability, reduce cost of maintenance, ensure pedestrian traffic safety and pleasing to the eye.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. Wherein:
FIG. 1 is a plan view of a drainage system embodying the present application;
FIG. 2 is a plan view of a center sill for a drainage system in accordance with an embodiment of the present application;
FIG. 3 is a schematic cross-sectional view of a deformation joint according to an embodiment of the present application.
In the figure: 1. a base layer; 2. separating from the wall ditch; 3. a water blocking bank; 4. a deformation joint; 5. a floor drain; 6. a drainage ditch; 7. a center ridge; 8. a central drainage channel; 9. a bonding layer; 10. granite floor; 11. a stainless steel cover plate; 12. an asphalt waterproof layer; 13. a first waterproof layer; 14. a second waterproof layer; 15. a dowel bar; 16. plain concrete cushion layer.
Detailed Description
The following description of the technical solutions in the embodiments of the present application will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the application, fall within the scope of protection of the application.
In the description of the present application, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present application and do not require that the present application must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
The application will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
As shown in fig. 1-3, the application provides a construction method of a water leakage drainage system of a deformation joint of a subway water-rich stratum structure, the drainage system and a station bottom plate are synchronously constructed, the construction of the drainage system can be carried out after the construction of a bottom plate concrete base layer 1 is completed, water blocking ridges 3 are arranged on two sides of the deformation joint 4, wall separation grooves 2 are arranged on two sides of the station bottom plate, two C-shaped ridges are arranged between any two adjacent deformation joints 4, reinforcement cages corresponding to the C-shaped ridges are also C-shaped, each C-shaped ridge is molded by one-step casting, the opening side of the C-shaped ridge points to the wall separation grooves 2 along the length direction of the deformation joint 4, so that the water leakage at the deformation joint 4 or a construction joint can not be led to a part between the two deformation joints 4, the closed end of the C-shaped ridge forms a central drainage groove 8 extending along the running direction of the station hall in the middle of the station hall, and the water leakage of the deformation joint 4 is dredged from the central drainage groove 8, and the method specifically comprises the following steps:
step S1, a station wall-separating ditch 2 (a drainage ditch 6) possibly has differences according to different forms of positions, the form of the wall-separating ditch 2 is not limited, firstly, a water blocking ridge 3 and the wall-separating ditch 2 are measured and paid off on a base layer 1 of bottom plate concrete, the water blocking ridge 3 can correspond to two sides of a deformation joint 4 or a construction joint, and water seepage at the construction joint is timely dredged.
Step S2, cleaning and roughening are carried out on the base layer 1, so that the water retaining ridge 3 is guaranteed to be tightly combined with concrete after casting, and the stability of a waterproof structure is guaranteed.
Step S3, binding reinforcement cages corresponding to the water retaining ridge 3 above the base layer 1, and arranging templates outside the reinforcement cages; step S4, binding the reinforcement cages corresponding to the wall-separating ditches 2, and installing a water retaining bank 3 template; the water retaining ridge 3 and the steel reinforcement cage of the wall separating ditch 2 are provided with inserted bars 15 inserted into the base layer 1, the inserted bars 15 of the steel reinforcement cage are n-shaped, and two sections of the inserted bars 15 are inserted into the base layer 1 or embedded with the inserted bars 15 on the steel reinforcement of the base layer 1 for construction of a later drainage system.
S5, synchronously pouring concrete of the water retaining ridge 3 and the wall-separating groove 2, removing a mold after pouring, cleaning sundries, and performing a water storage experiment, and confirming the waterproof performance of the water retaining ridge 3 and the wall-separating groove 2 through the water storage experiment; and S6, coating waterproof paint on the inner surface and the outer surface of the water retaining ridge 3 and the wall separating groove 2 and the upper surface of the base layer 1 to form a first waterproof layer 13, and performing floor layer construction of the bottom plate concrete after the first waterproof layer 13 is dried. The ground layer comprises a plain concrete cushion layer 16, a bonding layer 9 and a granite floor 10 from bottom to top, the thickness of the plain concrete cushion layer 16 corresponds to the thickness of the water retaining threshold, equipment pipelines can be embedded in the plain concrete cushion layer 16, the thickness of the bonding layer 9 above the cement mortar leveling layer is 30-50mm, the granite floor 10 is paved above the bonding layer 9, and the bonding layer 9 comprises a cement mortar leveling layer of 20-30mm and a cement mortar bonding layer 9 of 10-20mm from bottom to top.
In this embodiment, in step S5, before the concrete pouring is performed, the bottoms of the water blocking ridge 3 and the wall separating groove 2 are coated with a waterproof material to form a second waterproof layer 14, and water seepage is avoided by combining the water blocking ridge 3 with the bottom of the wall separating groove 2 and the surface layer concrete, so that water seepage is dredged along the trend of the water blocking ridge 3, and the guiding capability is improved.
The waterproof layers are arranged on the surface and the bottom surface of the water retaining ridge 3 after being molded, so that the base layer 1 between two adjacent water seepage deformation joints 4 is prevented from upwards seepage, the granite floor 10 of the ground layer is prevented from being soaked for color change, and the appearance of a subway station is prevented from being influenced by seepage.
In this embodiment, drainage ditches 6 which are mutually communicated with the central drainage grooves 8 are arranged on two sides of the deformation joints 4, and a floor drain 5 is arranged in each drainage ditch 6.
Still further, be equipped with pitch waterproof layer 12 above deformation joint 4, pitch waterproof layer 12 is the U-shaped, and both sides correspond the lateral wall that extends to deformation joint 4 manger plate bank 3 at least to dredge the infiltration of deformation joint 4 through manger plate bank 3, with the infiltration drainage through floor drain 5, avoid forming the slice infiltration region, in arbitrary escape canal 6, at least one floor drain 5 is located the intercommunication position of central escape canal 8 and escape canal 6, and the both ends and the middle part of preferred escape canal 6 all are equipped with floor drain 5.
The drainage ditch 6 is formed by the two water blocking sills 3, so that water seepage is dredged, and correspondingly, an asphalt waterproof layer 12 is also arranged on the inner wall of the drainage ditch 6.
In this embodiment, the end of the water deflector ridge 3 is integrally cast with the side wall of the wall-separating trench 2, and is impermeable through the first waterproof layer 13.
In an alternative embodiment, the water stop ridge 3 between the drain 6 and the deformation joint 4 is a straight ridge or a C-ridge extending along the length of the deformation joint 4, depending on the distance between the drain and the deformation joint 4.
In this embodiment, the side wall of the wall-separating groove 2 is provided with a notch corresponding to the opening side of the C-shaped ridge, the wall-separating groove 2 is square or U-shaped, the elevation of the outer edge of the opening of the C-shaped ridge is higher than the lowest point of the wall-separating groove 2,
furthermore, the water which downwards stretches into the station bottom plate can be led to the wall-separating ditch 2 through the guide of the C-shaped ridge, so that the base layer 1 is prevented from being soaked by water seepage when the flood phenomenon occurs in the station.
In this embodiment, the construction joint and the drainage ditch 6 are in a drainage form with a middle high side and two sides low, the central drainage groove 8 is highest, and the gradient of the construction joint corresponding to the two sides of the central drainage groove 8 is not less than one percent, preferably one percent.
In the C-ridge, the side close to the central drainage channel 8 is higher than its open side, and the specific slope may be one percent.
In this embodiment, a stainless steel cover plate 11 is laid over the deformation joint 4 and the drain 6.
In another alternative embodiment, a central ridge is arranged in the middle of the C-shaped ridge, two sides of the central ridge are inclined planes extending to the base layer 1 from two sides, when water seepage occurs in a flood, the water seepage is led to two sides of the water retaining ridge 3, a water guide groove is formed between the side edge of the central ridge and the water retaining ridge 3, and then the water seepage is dredged.
Further, a drainage groove corresponding to the central ridge is arranged on the inner side of the C-shaped ridge.
Still further, be equipped with a plurality of heart bank 7 in C shape bank, heart bank 7 extends to the both sides and leaves wall ditch 2 to this forms the meshing subregion with between the movement joint 4, causes granite large tracts of land to soak at one of them infiltration point and discolours, and according to the audio-visual discovery infiltration point position of infiltration condition, carry out infiltration point maintenance after being convenient for carry out infiltration.
The number of the center ridges 7 may be one or more, and when the center ridges 7 are arranged, center ridges are arranged in the areas divided by any one of the center ridges 7.
The foregoing description of the preferred embodiments of the application is not intended to limit the application to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the application as defined by the appended claims.
Claims (9)
1. The construction method of the subway water-rich stratum structure deformation joint water leakage drainage system is characterized in that water blocking ridges are arranged on two sides of a deformation joint, wall separation grooves are arranged on two sides of a station bottom plate, two water blocking ridges arranged between any two adjacent deformation joints are C-shaped ridges, the opening sides of the C-shaped ridges point to the wall separation grooves along the length direction of the deformation joint, and a central drainage groove extending along the trend of a station hall is formed in the middle of the station hall by the closed ends of the C-shaped ridges;
the method comprises the following steps:
s1, carrying out water blocking ridge and wall-separating ditch measurement paying-off on a base layer of bottom plate concrete;
step S2, cleaning and roughening the base layer;
step S3, binding a reinforcement cage corresponding to the water retaining ridge above the base layer, and arranging a template outside the reinforcement cage;
step S4, binding the reinforcement cages corresponding to the wall-separating ditches, and installing a water retaining ridge template;
s5, synchronously pouring concrete of the water retaining ridge and the wall separating groove, removing the mold after pouring is finished, and cleaning sundries;
and S6, coating waterproof paint on the inner surface and the outer surface of the water retaining ridge and the wall separating groove and the upper surface of the base layer to form a first waterproof layer, and then performing floor layer construction of the bottom plate concrete.
2. The method for constructing a water leakage drainage system for deformation joints of a subway water-rich stratum structure according to claim 1, wherein in the step S5, a waterproof material is coated on the bottom of a water retaining ridge and a wall-separating ditch before concrete pouring is performed.
3. The method for constructing the water leakage drainage system of the deformation joint of the subway water-rich stratum structure according to claim 1, wherein drainage ditches which are communicated with the central drainage groove are arranged on two sides of the deformation joints, and a floor drain is arranged in the drainage ditches.
4. A method of constructing a water leakage drainage system for a deformation joint of a subway water-rich stratum structure according to claim 3, wherein at least one floor drain is located at a communication position between a central drainage channel and a drainage channel in any one drainage channel.
5. The method for constructing a water leakage drainage system for deformation joints of a subway water-rich stratum structure according to claim 3, wherein the water blocking ridge between the drainage ditch and the deformation joints is a straight ridge or a C-shaped ridge extending along the length direction of the deformation joints.
6. The method for constructing a water leakage drainage system for deformation joints of a subway water-rich stratum structure according to claim 5, wherein a notch is formed in the side wall of the wall separation ditch, corresponding to the opening side of the C-shaped ridge.
7. The construction method of the water leakage drainage system of the deformation joint of the subway water-rich stratum structure, which is characterized in that the construction joint is low in the middle and high in the two ends, and the gradients of the two sides and the two ends of the central drainage groove are not less than one percent.
8. The construction method of the subway water-rich stratum structure deformation joint water leakage drainage system according to claim 5, wherein a stainless steel cover plate is laid above the deformation joint and the drainage ditch.
9. The method for constructing a water leakage drainage system for deformation joints of a subway water-rich stratum structure according to claim 6, wherein a central ridge is arranged in the middle of the C-shaped ridge, and inclined surfaces extending to a base layer are arranged on two sides of the central ridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311432541.7A CN117166504B (en) | 2023-11-01 | 2023-11-01 | Construction method of subway water-rich stratum structure deformation joint water leakage drainage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311432541.7A CN117166504B (en) | 2023-11-01 | 2023-11-01 | Construction method of subway water-rich stratum structure deformation joint water leakage drainage system |
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| CN117166504A true CN117166504A (en) | 2023-12-05 |
| CN117166504B CN117166504B (en) | 2024-01-19 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200372042Y1 (en) * | 2004-10-04 | 2005-01-10 | 강인성 | Structure of Drainage Trench |
| CN107605055A (en) * | 2017-07-24 | 2018-01-19 | 广州地铁设计研究院有限公司 | A kind of dash sill and its seepage-proof structure and construction method |
| CN212835493U (en) * | 2020-04-14 | 2021-03-30 | 中铁二院工程集团有限责任公司 | Underground cast-in-place concrete structure movement joint water drainage preventing structure |
| CN212866037U (en) * | 2020-05-20 | 2021-04-02 | 中铁第四勘察设计院集团有限公司 | Subway access & exit passageway bottom plate structure |
| CN215105538U (en) * | 2021-04-21 | 2021-12-10 | 中铁第四勘察设计院集团有限公司 | Subway station movement joint seepage drainage structures |
| CN215562824U (en) * | 2021-08-27 | 2022-01-18 | 徐州地铁集团有限公司 | Bottom plate U type deformation seam structure |
-
2023
- 2023-11-01 CN CN202311432541.7A patent/CN117166504B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200372042Y1 (en) * | 2004-10-04 | 2005-01-10 | 강인성 | Structure of Drainage Trench |
| CN107605055A (en) * | 2017-07-24 | 2018-01-19 | 广州地铁设计研究院有限公司 | A kind of dash sill and its seepage-proof structure and construction method |
| CN212835493U (en) * | 2020-04-14 | 2021-03-30 | 中铁二院工程集团有限责任公司 | Underground cast-in-place concrete structure movement joint water drainage preventing structure |
| CN212866037U (en) * | 2020-05-20 | 2021-04-02 | 中铁第四勘察设计院集团有限公司 | Subway access & exit passageway bottom plate structure |
| CN215105538U (en) * | 2021-04-21 | 2021-12-10 | 中铁第四勘察设计院集团有限公司 | Subway station movement joint seepage drainage structures |
| CN215562824U (en) * | 2021-08-27 | 2022-01-18 | 徐州地铁集团有限公司 | Bottom plate U type deformation seam structure |
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| CN117166504B (en) | 2024-01-19 |
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