Water seepage prevention system for underground station
By installing drainage devices such as diversion channels and collection pipes in the leakage area, the problem of rapid discharge of leakage water in underground stations was solved, achieving efficient diversion and collection of leakage water, and reducing operating costs and safety hazards.
Patent Information
- Application Number
- CN202520026769.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Existing underground station waterproofing systems are prone to failure during drainage operations in leaking areas, causing seepage water to overflow into other areas, leading to operational safety issues. Furthermore, it is difficult to effectively address and rectify leaks that are often difficult to detect.
A drainage device is installed in the leakage area, including a diversion channel, a collection pipe and a drainage channel. The diversion channel is connected to the collection pipe. The slope of the channel surface is 5°-10° and the channel shape is "U" or inverted trapezoid. The inner wall of the channel is fixed to the side wall and a waterproof coating is applied. The leakage water is collected through the diversion channel to the collection pipe and discharged to the drainage channel and the collection well.
It effectively reduces sediment buildup in leaking water, quickly drains leaking water, reduces operating costs and safety hazards, and improves the ease and efficiency of waterproofing system maintenance.
Smart Images
Figure CN223688972U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the waterproof technical field of subway station engineering, specifically is a kind of anti-seepage system for underground station. BACKGROUND
[0002] When the underground water level of underground engineering structure embedding environment is higher, according to the existing technical standard, specification requirement, adopt the waterproof concept of " outer package outer pasting + self waterproof concrete ".However, actual often because the quality of engineering construction is uneven, outer package waterproof material aging, waterproof lap leakage and other problems, in actual, and can not completely guarantee not to appear leakage, engineering construction and operation often have leakage situation, such as station hall middle plate floor tile back seepage, signal or power pipeline under the middle plate embedding is soaked, middle plate water seepage to platform layer shield door, etc., all bring security risk to subway safe operation and reduce service level.
[0003] At present, the waterproof system of underground engineering adopts the principle of multi-channel defense, prevention and treatment combination.Usually by self waterproof concrete, outer package waterproof and outer package additional waterproof, construction joint and deformation joint and other key measures to strengthen waterproof, together constitute the defense system mainly for prevention, and the water treatment system mainly for plugging and water drainage.But engineering construction process level and construction quality, often difficult to completely cure the seepage of underground water.
[0004] Outer package waterproof is usually by waterproof roll material or waterproof coating to the structure periphery carries on the external surrounding type protection, and self waterproof concrete mainly adopts the concrete material mix ratio on control with self waterproofing;"Plugging" is to take grouting plugging method to the obvious disease leakage point, to hinder the channel of leakage, and "drainage" is mainly to set up water retaining trough on the structure plate close to side wall in internal space, forms drainage ditch and sets up floor drain, and the clear water is collected into water collecting well, to prevent water from flowing.
[0005] Among them, "drainage" is the most common problem during the operation, and the slow leakage point has high concealment, which is difficult to check in a short period, and its rectification and management is the most difficult, and the seepage water body often has a large amount of calcified particles suspended, which is easy to deposit, easy to appear siltation, block, cause water to overflow the water retaining trough structure, seepage to other range, inevitable drainage ditch drainage operation failure, and further cause the operation safety problem of underground structure. UTILITY MODEL CONTENTS
[0006] The utility model provides a kind of anti-seepage system for underground station to solve the problem that drainage ditch drainage operation of leakage area is easy to fail, improve maintenance convenience, reduce water seepage risk.
[0007] The technical scheme of the utility model is as follows:
[0008] A kind of underground station water seepage prevention system, it is arranged in the lower of seepage area of station temporary earth side wall between underground station roof and underground station middle plate, specifically includes drainage device, wherein, the drainage device is provided with drainage groove, water collecting pipe and drainage groove, the drainage groove is arranged in the lower of seepage area, the bottom of the drainage groove is communicated with the top of the water collecting pipe, the bottom of the water collecting pipe is communicated with the drainage groove;
[0009] The inner groove wall of the drainage groove is fixed to the temporary earth side wall by fixing structure, and a waterproof coating is arranged at the junction of the slot opening of the inner groove wall and the temporary earth side wall.
[0010] The drainage groove includes a left groove and a right groove, and the slot openings of the left groove and the right groove oppositely form a "V"-shaped groove body.
[0011] The drainage groove is arranged on the middle plate of the underground station.
[0012] Further, the slope of the groove surface of the drainage groove is 5°-10°, which ensures that the sediments flow into the water collecting pipe with water flow, effectively reduces the sediment and quickly drains the seepage water.
[0013] Further, the cross section of the drainage groove is "U"-shaped, which avoids the overflow caused by excessive water.
[0014] Further, the cross section of the drainage groove is inverted trapezoidal, and the outer groove wall of the drainage groove is higher than the inner groove wall of the drainage groove, which avoids the overflow caused by excessive water.
[0015] Further, a plurality of floor drains are arranged in the drainage groove, and the floor drains are communicated with the water collecting well.
[0016] Further, the inner groove wall of the drainage groove is fixed by an adhesive layer, and the thickness of the adhesive layer is not greater than 0.25 mm.
[0017] Further, the drainage groove is a high polymer with a thickness of 0.2-0.4 mm.
[0018] Compared with the prior art, the water seepage prevention system of the utility model can drain the seepage water in the station to the water collecting well, effectively fills the limited treatment means of the leakage caused by the deficiency of the waterproof system outside the station, especially after the decoration is completed, greatly reduces the influence on the operation service compared with the grouting leakage treatment scheme, and the effect is also far superior to the effect of the maintenance and drainage ditch dredging work of the water retaining groove. BRIEF DESCRIPTION OF DRAWINGS
[0019] Fig. 1 It is the front view of the water seepage prevention system structure of the utility model.
[0020] Fig. 2 It is a structural schematic view of the drainage groove of the anti-seepage system of the utility model;
[0021] Fig. 3 It is a side view of the structure of the anti-seepage system of the utility model;
[0022] A, station temporary side wall; B, underground station roof; C, underground station middle plate; D, seepage area;
[0023] 1, drainage groove; 101, adhesive glue layer; 102, waterproof coating; 2, water collecting pipe; 3, drainage groove; 301, floor drain. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] Embodiment one
[0026] The utility model discloses an anti-seepage system for underground station, like Figs. 1-3 The anti-seepage system is arranged on the seepage area D of the station temporary side wall A between the underground station roof B and the underground station middle plate C, mainly includes the drainage device, the drainage device is provided with drainage groove 1, water collecting pipe 2 and drainage groove 3, the drainage groove 1 is arranged below the seepage area, and the drainage groove 1 includes left groove and right groove, the slot of left groove and the slot of right groove oppositely form "V" type groove body, the drainage groove 1 is "U" type, avoids the overflow of seepage water in the drainage process;The bottom of the drainage groove 1 is communicated with the top of the water collecting pipe 2, and the bottom of the water collecting pipe 2 is communicated with the drainage groove 3, and the junction of the water collecting pipe 2 and the drainage groove 3 is sealed by waterproof glue;
[0027] The inner groove wall of the drainage groove 1 is fixed on the temporary side wall by a fixing structure, and the slot of the inner groove wall is provided with a waterproof coating 102 at the junction with the temporary side wall, wherein the waterproof coating 102 is arranged on the temporary side wall at a range of 300mm to 500mm higher than the slot, and the waterproof coating can be waterproof wax, waterproof spray material and other waterproof coatings that can form a film, when water is separated from the side wall as water beads or laminar flow, it can flow down and naturally flow into the drainage groove 1, and the fixing mode of the inner groove wall of the drainage groove 1 is fixed by the adhesive glue layer 101.
[0028] The drainage groove 3 is arranged on the middle plate C in the underground station, and a plurality of floor drains 301 are arranged in the drainage groove 3, and the floor drains 301 are communicated with the water collecting well, and directly drain the seepage water into the water collecting well.
[0029] In the embodiment, the slope of the groove surface of the drainage groove 1 is 5°-10°, so that the sediments can flow into the water collecting pipe 2 with the water flow, and the sediments are effectively reduced and the seepage water is quickly drained.
[0030] In the embodiment, the drainage groove 1 is a high polymer with a thickness of 0.2-0.4 mm, including polyethylene, polyvinyl chloride and the like. The water collecting pipe 2 is made of the same material as the drainage groove 1, that is, a high polymer with a thickness of 0.2-0.4 mm, and preferably a material with wide sources, low price and light weight, which is easy to install and has the characteristics of being detachable and replaceable.
[0031] Embodiment two
[0032] The drainage groove 1 of the anti-seepage water system for the underground station has an inverted trapezoidal cross section, and the outer groove wall of the drainage groove 1 is higher than the inner groove wall, so that the overflow phenomenon caused by excessive water can be avoided.
[0033] The drainage groove 1 is pasted on the inner wall of the side wall, and a certain slope is arranged, so that the water seeped and separated from the inner wall of the side wall can be effectively collected in the water collecting groove, and finally drained to the floor drain of the middle plate in the underground station, and the water can be directly and quickly drained to the water collecting well. The method can effectively drain the water in the potential seepage area to the floor drain at low cost, greatly reduces the dispersion and collection amount of the seepage water directly flowing into the drainage groove, avoids the problem of "drainage" waterproof failure caused by the seepage channel of the original water retaining groove structure joint and the insufficient depth of the drainage ditch, reduces the deposition effect of the calcified substances in the water retaining groove, reduces the maintenance frequency, and saves the operation cost.
[0034] The above specific embodiments further illustrate the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above is only a specific embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A water-tight system for use in an underground station, characterized in that The water seepage prevention system is arranged below the seepage area on the soil-side wall between the top plate of the underground station and the middle plate of the underground station, The water seepage prevention system comprises a drainage device provided with a drainage groove, a water collecting pipe and a drainage groove, the bottom of the drainage groove is communicated with the top of the water collecting pipe, the bottom of the water collecting pipe is communicated with the drainage groove, the drainage groove is arranged below the seepage area, the inner groove wall of the drainage groove is fixed to the soil-side wall by a fixing structure, a waterproof coating is arranged at the joint between the inner groove wall and the soil-side wall, when water on the soil-side wall is separated into water beads or laminar flow, the water can flow down and naturally flow into the drainage groove; The drainage groove comprises a left groove and a right groove, the groove openings of the left groove and the right groove oppositely form a "V"-shaped groove body. The drainage groove is arranged on the middle plate of the underground station.
2. A waterproofing system for use in an underground station as claimed in claim 1, characterised in that, The slope of the groove surface of the drainage groove is 5°-10°, so as to ensure that the sediments flow into the water collecting pipe with water.
3. A waterproofing system for use in an underground station as defined in claim 1, characterized in that The cross section of the drainage groove is "U"-shaped.
4. A waterproofing system for use in an underground station as defined in claim 1, characterized in that The cross section of the drainage groove is inverted trapezoidal, the outer groove wall of the drainage groove is higher than the inner groove wall of the drainage groove.
5. A waterproofing system for use in an underground station as defined in claim 1, characterized in that A plurality of floor drains are arranged in the drainage groove, and the floor drains are communicated with the water collecting well.
6. A waterproofing system for underground stations according to any of claims 1-5, characterized in that, The fixing mode of the inner groove wall of the drainage groove is fixed by an adhesive layer, and the thickness of the adhesive layer is not greater than 0.25 mm.
7. A water-tight system for underground stations according to any of the claims from 1 to 5, characterized in that, The drainage groove is made of a high polymer with a thickness of 0.2-0.4 mm.