CN211690430U

CN211690430U - Underground pipe gallery waterproof construction

Info

Publication number: CN211690430U
Application number: CN201921997729.5U
Authority: CN
Inventors: 张延年; 董晓; 刘一霖
Original assignee: Shenyang Cujin Technology Co Ltd
Current assignee: Shenyang Cujin Technology Co Ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-10-16
Anticipated expiration: 2029-11-19

Abstract

The utility model provides an underground pipe gallery waterproof construction belongs to rainwater reuse and utility tunnel waterproof construction technical field, including road surface layer, infiltration concrete layer, rubble mat formation layer, grit, top waterproof concrete water guide layer, water collection filter equipment, the utility tunnel body, anticorrosive coating, modified asphalt waterproofing membrane waterproof layer and last non-cured rubber waterproof coating layer of mating formation, the below of road surface layer sets up infiltration concrete layer, and the below on infiltration concrete layer sets up the rubble mat formation layer, and the below on rubble mat formation layer sets up the grit that permeates water, and the below of the grit that permeates water sets up top waterproof concrete water guide layer and water collection filter equipment, sets up ramming cushion soil in the below on top waterproof concrete water guide layer, and the below middle part of ramming cushion soil sets up the utility tunnel body. The beneficial effects are that have the environmental protection effect, effectively dredge, retrieve, purify and store the earth's surface precipitation, can avoid the harm that the corridor body caused such as the external retaining of enclosing of corridor, the internal portion infiltration of corridor, leaking.

Description

Underground pipe gallery waterproof construction

Technical Field

The utility model belongs to the technical field of rainwater is recycled and the waterproof construction of utility tunnel, especially relate to a waterproof structure of underground pipe gallery.

Background

The underground comprehensive pipe gallery building technology is mature day by day, but the original water system balance of the soil body is destroyed after the comprehensive pipe gallery is built, so that water systems in the soil body are gathered together by taking the comprehensive pipe gallery as a channel, and when a water-containing stratum is communicated with the comprehensive pipe gallery, the defects of water seepage and water leakage as main factors are revealed day by day. The comprehensive pipe gallery built by the open cut prefabrication method is generally characterized in that a waterproof layer and a polystyrene board are paved on a precast concrete segment to achieve the waterproof and heat preservation effects. The waterproof layer is mainly protected by the finished product of the waterproof layer. If the finished product is not well protected, the damage is caused by careless construction, the repair is not carried out in time, leakage points are easy to form, the leakage of underground water is caused, the problem of the leakage water always is a common quality problem which puzzles underground construction engineering, the phenomenon that pipelines are soaked by the leakage water for a long time is avoided, and the problem of good water resistance is one of the technical problems which must be considered in the construction of the comprehensive pipe rack. The construction quality of the comprehensive pipe trench is guaranteed by effectively solving the waterproof problem, potential safety hazards can be reduced fundamentally, the later-stage operation maintenance cost is reduced, the service life is prolonged, and meanwhile, the sponge city is a new generation city rain and flood management concept, namely, the city has good elasticity in the aspects of adapting to environmental changes, responding to natural disasters caused by rainwater and the like, and can be called as a water elasticity city. The international generic term is "low impact development storm water system construction". The water absorption, water storage, water seepage, water filtration and water purification during raining can release and utilize the stored water as required, along with the development of the urbanization process, pollutants are accumulated, so that a large amount of pollutants are held in the rainwater on the road surface, and researches on some road surface runoff show that the pollution load in 30% rainwater runoff at the initial stage accounts for 70% of the rainfall pollution of the whole field, so that the interception and treatment of the rainwater at the initial stage can effectively control the water pollution caused by the runoff. Therefore, it is necessary to filter and purify the rainwater, so that the rainwater reaches the standard of recycling, the utilization rate of water resources is improved, underground water and surface rainfall are collected, underground water circulation is formed in the whole soil body, the impact and damage of the underground water and the surface rainfall on the comprehensive pipe gallery structure are reduced, good economic benefits and operability are achieved, and effective waterproof and drainage effects can be achieved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an underground pipe gallery waterproof construction has the environmental protection effect, effectively dredges, retrieves, purifies and stores earth's surface precipitation, can avoid the harm that the corridor body caused such as the external retaining of enclosing of corridor, the internal portion infiltration of corridor, leak, improves underground structure's life.

In order to realize the purpose, the utility model discloses a technical scheme be:

the underground pipe gallery waterproof structure comprises a road surface layer, a water seepage concrete layer, a gravel pavement layer, permeable gravels, a top waterproof concrete water guide layer, a water collection and filtration device, a comprehensive pipe gallery body, an anticorrosive layer, a modified asphalt waterproof coiled material waterproof layer and an upper non-cured rubber waterproof coating layer, wherein the water seepage concrete layer is arranged below the road surface layer, the gravel pavement layer is arranged below the water seepage concrete layer, the permeable gravels are arranged below the gravel pavement layer, the top waterproof concrete water guide layer and the water collection and filtration device are arranged below the permeable gravels, the top waterproof concrete water guide layer is arranged in the middle of the lower part of the permeable gravels, the water collection and filtration device is arranged on the left side and the right side of the top waterproof concrete water guide layer, tamping cushion soil is arranged below the top waterproof concrete water guide layer, a buffer pipe gallery body is arranged in the middle of the lower part of the tamping cushion soil, the anticorrosive layer is arranged on the outer layer of the comprehensive pipe gallery body, the outer modified asphalt waterproofing membrane waterproof layer that sets up at the anticorrosive coating, non-cured rubber waterproof coating layer sets up on the outer of modified asphalt waterproofing membrane waterproof layer, sets up the backfill soil in the left and right sides of utility tunnel body, the below both sides of tamping buffering bed soil and the below of catchmenting filter equipment, sets up the gravel coarse sand layer in the below of backfill soil and utility tunnel body.

Furthermore, the water collecting and filtering device is a rectangular structure formed by enclosing side plates, a bottom plate and a water permeable sealing plate, wherein the side plates are arranged on the left side and the right side of the rectangular structure, the bottom plate is arranged on the lower part of the rectangular structure, the water permeable sealing plate is arranged on the upper part of the rectangular structure, a plurality of water permeable holes are formed in the water permeable sealing plate, a water guide plate is arranged in the rectangular structure, one end of the water guide plate is fixedly connected with the side plates, the other end of the water guide plate is fixedly connected with the purifier, and a water guide pipe is arranged below the purifier; in the inside of rectangle structure, the chamber is collected for filtering in the top region of water guide board and clarifier, and the chamber is stored for purifying in the below region of water guide board and clarifier, sets up the closed tube and stores chamber and utility tunnel body UNICOM to purifying to the closed tube one end in the utility tunnel body sets up the switch.

Furthermore, the top waterproof concrete water guide layer is made of a waterproof concrete base body, and a water guide slope surface is arranged on the upper surface of the waterproof concrete base body.

Furthermore, the holes of permeating water on the shrouding of permeating water adopts evenly distributed to set up.

Further, the interior of the purifier is filled with a clean sand and activated carbon mixture.

Furthermore, a small hole for water permeation is arranged above the purifier.

Furthermore, the waterproof layer of the modified asphalt waterproof roll adopts SBS modified asphalt waterproof roll, and a PE waterproof film is arranged on the outer layer of the waterproof layer.

Further, the upper non-cured rubber waterproof coating layer adopts an SBR modified asphalt rubber material layer.

Furthermore, the anticorrosive coating is formed by coating an epoxy powder coating on the outside of the polyethylene base plate.

The utility model has the advantages that: has the environmental protection effect, effectively dredges, recovers, purifies and stores the ground surface rainfall, can avoid the damage to the gallery body caused by water storage outside the gallery body, water seepage and water leakage inside the gallery body and the like, simultaneously purifies and recycles the rainwater, can effectively improve the utilization rate of water resources, can carry out secondary utilization on the collected water resources, improves the utilization rate of the ground surface rainfall, conforms to the idea of sponge city, not only relieves urban waterlogging, but also realizes the function of the sponge city, effectively filters and dredges the ground surface rainfall, solves the waterproof and anti-corrosion construction problems of the prior underground pipe gallery, reduces the maintenance cost at the later use stage of the underground pipe gallery, avoids the shortening of the service life of the underground pipe gallery caused by water leakage and corrosion, effectively solves the problems of water taking and water taking of the comprehensive pipe gallery, has strong practicability and wide applicability, and the utility model is provided with a waterproof layer and an anti-corrosion layer, can further prevent that the moisture of the outer soil of underground pipe gallery from getting into the gallery through the waterproof layer internal, improve underground structure's waterproof nature, can prevent through the anticorrosive coating that groundwater from corroding underground structure, improve underground structure's life.

Drawings

Figure 1 is the utility model discloses underground pipe gallery waterproof construction schematic diagram.

Fig. 2 is a schematic view of a top waterproof concrete water guiding layer.

Fig. 3 is a schematic view of a water collecting and filtering apparatus.

Fig. 4 is a schematic view of the water-permeable sealing plate.

In the figure: 1 is a pavement layer; 2 is a water-permeable concrete layer; 3, a gravel pavement layer; 4 is permeable sandstone; 5 is a top waterproof concrete water guide layer; 6 is a waterproof concrete matrix; 7 is a water guide slope surface; 8, tamping buffer pad soil; 9 is backfill soil; 10 is a gravel coarse sand layer; 11 is a water collecting and filtering device; 12 is a side plate; 13 is a bottom plate; 14 is a water-permeable sealing plate; 15 are water permeable holes; 16 is a water guide plate; 17 is a filtering and collecting cavity; 18 is a purifying storage cavity; 19 is a purifier; 20 is a water guide pipe; 21 is a communicating pipe; 22 is a switch; 23 is a comprehensive pipe gallery body; 24 is an anticorrosive coating; 25 is a waterproof layer of modified asphalt waterproof coiled material; 26 is a layer of non-cured rubber waterproof paint.

Detailed Description

For further explanation of the present invention, the following detailed description of the present invention is provided with reference to the drawings and examples, which should not be construed as limiting the scope of the present invention.

Example (b): as shown in fig. 1 to 4, an underground pipe gallery waterproof structure comprises a pavement layer 1, a water permeable concrete layer 2, a gravel pavement layer 3, water permeable gravels 4, a top waterproof concrete water guide layer 5, a waterproof concrete base 6, a water guide slope 7, a tamping buffer pad soil 8, backfill soil 9, a gravel coarse sand layer 10, a water collection filtering device 11, a side plate 12, a bottom plate 13, a water permeable closing plate 14, water permeable holes 15, a water guide plate 16, a filtering collection cavity 17, a purification storage cavity 18, a purifier 19, a water guide pipe 20, a communicating pipe 21, a switch 22, a comprehensive pipe gallery body 23, an anticorrosive layer 24, a modified asphalt waterproof coiled material waterproof layer 25 and an upper non-cured rubber waterproof coating layer 26; in the underground pipe gallery waterproof structure, a water seepage concrete layer 2 is arranged below a road surface layer 1, a gravel pavement layer 3 is arranged below the water seepage concrete layer 2, permeable gravels 4 are arranged below the gravel pavement layer 3, a top waterproof concrete water guide layer 5 and a water collection and filtration device 11 are arranged below the permeable gravels 4, the top waterproof concrete water guide layer 5 is arranged in the middle, the water collection and filtration device 11 is arranged on the left side and the right side of the top waterproof concrete water guide layer 5, a tamping cushion soil 8 is arranged below the top waterproof concrete water guide layer 5, an integrated pipe gallery body 23 is arranged below the tamping cushion soil 8, an anticorrosive layer 24 is arranged on the outer layer of the integrated pipe gallery body 23, a modified asphalt waterproof coiled material waterproof layer 25 is arranged on the outer layer of the anticorrosive layer 24, a non-cured rubber waterproof coating layer 26 is arranged on the outer layer of the modified asphalt waterproof coiled material waterproof layer 25, the left side and the right side of a comprehensive pipe gallery body 23 and below a tamping buffer pad soil 8 and a water collecting and filtering device 11 are provided with a backfill soil 9, the backfill soil 9 and the lower part of the comprehensive pipe gallery body 23 are provided with a gravel coarse sand layer 10, a top waterproof concrete water guide layer 5 is composed of a waterproof concrete base body 6, the upper surface of the waterproof concrete base body 6 is provided with a water guide slope surface 7, the middle of the water guide slope surface 7 is high, the two sides are provided with side plates 12, the bottom is provided with a bottom plate 13, the upper part is provided with a water permeable closing plate 14, the water permeable closing plate 14 is provided with a plurality of water permeable holes 15, the water guide plate 16 is arranged inside the water collecting and filtering device 11, one end of the water guide plate 16 is fixedly connected with the side plates 12, the other end is fixedly connected with a purifier 19, the lower part of the purifier 19 is provided with a water guide pipe 20, and the upper area of the water guide plate 16 and the purifier 19 is a filtering and collecting cavity 17 in the structure of the water collecting, the regional storage chamber 18 that is purified for the below of water deflector 16 and clarifier 19 sets up the intercommunication pipe 21 and carries out the UNICOM to the inside of purifying storage chamber 18 and utility tunnel body 23 to the intercommunication pipe 21 one end in utility tunnel body 23 sets up switch 22, effectively solves water intaking and water scheduling problem in the utility tunnel body 23.

The holes 15 of permeating water on the shrouding 14 that permeates water adopt evenly distributed to set up. The interior of the purifier 19 is filled with a clean sand and activated carbon mixture. A small hole for water to permeate is arranged above the purifier 19. The anticorrosive layer 24 is formed by coating an epoxy powder coating on the outside of a polyethylene substrate. The waterproof layer 25 of the modified asphalt waterproof roll adopts SBS modified asphalt waterproof roll, and a PE waterproof film is arranged on the outer layer of the waterproof layer. The upper non-cured rubber waterproof coating layer 26 is an SBR modified asphalt mastic material layer.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. Underground pipe gallery waterproof construction, its characterized in that: comprises a pavement layer (1), a water permeable concrete layer (2), a gravel pavement layer (3), water permeable gravels (4), a top waterproof concrete water guide layer (5), a water collecting and filtering device (11), a comprehensive pipe gallery body (23), an anticorrosive layer (24), a modified asphalt waterproof coiled material waterproof layer (25) and an upper non-cured rubber waterproof coating layer (26), wherein the water permeable concrete layer (2) is arranged below the pavement layer (1), the gravel pavement layer (3) is arranged below the water permeable concrete layer (2), the water permeable gravels (4) are arranged below the gravel pavement layer (3), the top waterproof concrete water guide layer (5) and the water collecting and filtering device (11) are arranged below the water permeable gravels (4), the top waterproof concrete water guide layer (5) is arranged in the middle part below the water permeable gravels (4), and the water collecting and filtering device (11) is arranged at the left side and the right side of the top waterproof concrete water guide layer (5), set up rammed buffer pad soil (8) in the below of top waterproof concrete water guide layer (5), the below middle part of rammed buffer pad soil (8) sets up utility tunnel body (23), skin at utility tunnel body (23) sets up anticorrosive coating (24), skin at anticorrosive coating (24) sets up modified asphalt waterproofing membrane waterproof layer (25), non-cured rubber waterproof coating layer (26) are set up on the skin of modified asphalt waterproofing membrane waterproof layer (25), left and right sides at utility tunnel body (23), the below both sides of rammed buffer pad soil (8) and the below of catchmenting filter equipment (11) set up backfill soil (9), set up gravel coarse sand layer (10) in the below of backfill soil (9) and utility tunnel body (23).

2. The underground pipe gallery waterproofing structure according to claim 1, wherein: the water collecting and filtering device (11) is a rectangular structure enclosed by side plates (12), a bottom plate (13) and water permeable sealing plates (14), the side plates (12) are arranged on the left side and the right side of the rectangular structure, the bottom plate (13) is arranged on the lower portion of the rectangular structure, the water permeable sealing plates (14) are arranged on the upper portion of the rectangular structure, a plurality of water permeable holes (15) are formed in the water permeable sealing plates (14), water guide plates (16) are arranged inside the rectangular structure, one ends of the water guide plates (16) are fixedly connected with the side plates (12), the other ends of the water guide plates (16) are fixedly connected with a purifier (19), and water guide pipes (20) are arranged below the purifier (19); in the inside of rectangle structure, the top region of water deflector (16) and clarifier (19) is for filtering collection chamber (17), and the below region of water deflector (16) and clarifier (19) is for purifying storage chamber (18), sets up closed tube (21) and stores chamber (18) and utility tunnel body (23) UNICOM to purifying to closed tube (21) one end in utility tunnel body (23) sets up switch (22).

3. The underground pipe gallery waterproofing structure according to claim 1, wherein: the top waterproof concrete water guide layer (5) is made of a waterproof concrete base body (6), and a water guide slope surface (7) is arranged on the upper surface of the waterproof concrete base body (6).

4. The underground pipe gallery waterproofing structure according to claim 2, wherein: the holes (15) of permeating water on the water-permeating closing plate (14) are uniformly distributed.

5. The underground pipe gallery waterproofing structure according to claim 2, wherein: and a small hole for water permeation is arranged above the purifier (19).

6. The underground pipe gallery waterproofing structure according to claim 1, wherein: the waterproof layer (25) of the modified asphalt waterproof coiled material adopts SBS modified asphalt waterproof coiled material, and a PE waterproof membrane is arranged on the outer layer of the waterproof layer.

7. The underground pipe gallery waterproofing structure according to claim 1, wherein: the upper non-cured rubber waterproof coating layer (26) adopts an SBR modified asphalt rubber material layer.

8. The underground pipe gallery waterproofing structure according to claim 1, wherein: the anticorrosive coating (24) is formed by coating an epoxy powder coating on the outside of a polyethylene substrate.