CN208088344U - With waterproof, the underground pipe gallery structure of drain function - Google Patents

With waterproof, the underground pipe gallery structure of drain function Download PDF

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Publication number
CN208088344U
CN208088344U CN201820437318.XU CN201820437318U CN208088344U CN 208088344 U CN208088344 U CN 208088344U CN 201820437318 U CN201820437318 U CN 201820437318U CN 208088344 U CN208088344 U CN 208088344U
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pipe gallery
water
waterproof
layer
underground
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CN201820437318.XU
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张延年
马恕君
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Tianjin Binhai New Area Urban Planning and Design Institute Co., Ltd
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Shenyang Jianzhu University
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Abstract

The utility model is a kind of to have waterproof, the underground pipe gallery structure of drain function, is related to pipe gallery technical field of construction.Including:Top water-proof concrete layer, back fill course, pervious concrete layer, waterproof layer, pipe gallery body, U-shaped gutter, bottom water-proof concrete layer, sump, drainpipe, U-shaped open roof gutter.The utility model proposes corridor body effectively underground water and ground precipitation can be dredged, ensure the script soil body in water circulation be not destroyed, indirectly extend corridor body service life.Meanwhile corridor body structure has to underground water and ground precipitation collecting function, improves the utilization rate of underground water and ground precipitation, meets the conception in sponge city.The utility model, as backfill, backfills distance using pervious concrete, can play the role of dynamic water resistance stream, reduces the Flowing water corrosion of corridor body;It excludes surface gathered water simultaneously, can prevent ponding from congealing, road surface freezing up, can be used as the secondary barrier of protection pipe gallery.

Description

With waterproof, the underground pipe gallery structure of drain function
Technical field
The utility model belongs to pipe gallery technical field of construction, more particularly to a kind of with waterproof, drain function Underground pipe gallery structure.
Background technology
Pipe gallery is exactly underground urban duct synthesis corridor, i.e., builds a tunnel space in Urban Underground, by electric power, Communication, the various utilities pipelines such as combustion gas, heat supply, plumbing are integrated in one, and are equipped with special access hole, hoisting port and monitoring system System implements unified planning, Uniting, unified construction and management, is the important infrastructure and " life for ensureing city operations Line ".With national fast development, the underground space is made full use of with building underground pipe gallery, to save aboveground space, Have become irreversible trend.It is long-range that pipe gallery has urban construction as Urban Underground facility artery engineering Strategic importance.Underground pipe gallery system not only solves Urban Traffic Jam Based, also greatly facilitate electric power, communication, combustion gas, The maintenance and maintenance of the urban operating mechanisms such as water supply and sewage.In addition, the system also has certain protection against and mitigation of earthquake disasters effect.Such as nineteen ninety-five Japan During the big earthquakes in Osaka and Kobe, a large amount of house collapses in Kobe city, road are ruined, but the local most intact nothing of underground pipe gallery Damage, this significantly reduces the difficulty of the disaster relief and reconstruction after shake.Underground pipe gallery is to meeting people's livelihood primary demand and raising City integrated bearing capacity plays an important role.Pipe gallery construction avoids frequently excavating due to laying and repairing underground utilities Road and traffic and resident trip are impacted and are interfered, keep the appearance of a street complete and beautiful, reduce the expense that road surface is repeatedly overhauled With the maintenance cost with utilities pipeline, the durability of the integrality and all kinds of pipelines on road surface is maintained, convenient for applying for various pipelines If, increase and decrease, repair and daily management.Due to pipeline compact and reasonable arrangement in corridor body, it is effectively utilized the space under road, is saved Urban land;Due to reducing the roofbolt of road and inspection shaft, the room of various pipelines etc., the graceful landscape in city;Due to Aerial pipeline enters ground together, reduces the contradiction of overhead line and greening.
It is increasingly ripe that underground pipe gallery builds technology, but pipe gallery build after to destroy the original water system of the soil body flat Weighing apparatus, causes the water system in the soil body to be pooled together by channel of pipe gallery, when aquifer water-bearing stratum is connected to pipe gallery, to ooze Water, the disadvantage that leak is principal element just increasingly appear.It is usual with the pipe gallery that open cut prefabrication this construction method is built It sets up defences water layer and benzene plate using on precast concrete segment upper berth, achievees the effect that waterproof and heat preservation.Pipe gallery waterproof belongs to Concealed work below town road after completion of road is open to traffic, cannot dig pick road and it is repaired or is repaired easily, because This, the finished product protection of waterproof layer is also emphasis.If finished product protection is not good at, construction causes destruction and not repairing in time accidentally, It is easy to form breakthrough, causes the leakage of underground water.
Leakage problem is always the common quality defect for perplexing infrastructure engineering, prevents pipeline and is impregnated now by percolating water for a long time As it is one of the technical issues of pipe gallery construction must take into consideration to resolve waterproof problem.Waterproof problem is effectively solved to protect The construction quality for demonstrate,proving integrated pipe canal also can fundamentally reduce security risk, reduce later stage operation maintenance cost, extend and use the longevity Life.
When building underground pipe gallery, the geological conditions of enrichment water, this treating method of generally use well-points dewatering are encountered. Handle water the problem of cannot be simply sum up in the point that in this problem of water blockoff, be also required to drain to a certain extent, water dredged Lead to and effectively manage and be used again, be unlikely to underground water and be largely lost, protects groundwater environment, become present underground and construct Object handles the main trend of water.This engineering method uses the pipe gallery construction method of open cut prefabrication, when deep-cutting foundation pit, reserves draining Underdrain is backfilled, and build seugh by laying bricks or stones with water-proof concrete after installing precast concrete segment using pervious concrete, Discharge and collection that " open roof " is convenient for underground water and ground precipitation are formed, forms ground water circulation in the entire soil body, is reduced Underground water and impact and damage of the ground precipitation to comprehensive pipe gallery structure, with good economic efficiency and operability can Play effective waterproof, drainage.
Utility model content
In order to solve above-mentioned technical problem, the utility model can provide a kind of comprehensive with waterproof, the underground of draining Pipe rack is closed, existing pipe gallery guarded drainage treatment measures can be improved, batch production centralized production is convenient for, it is at low cost, It can be collected and recycle to institute is aqueous in the soil body residing for pipe gallery, pre- waterproof body damages comprehensive pipe gallery structure, prolongs Long pipe gallery service life.
The technical solution adopted in the utility model is as follows:
It is a kind of that there is waterproof, the underground pipe gallery structure of drain function, including top water-proof concrete layer, backfill Layer, pervious concrete layer, waterproof layer, pipe gallery body, U-shaped gutter, bottom water-proof concrete layer, sump, drainpipe and U Shape open roof gutter, bottom-up to see, the lower part of bottom water-proof concrete layer is connected with the soil body of excavation of foundation pit, holds in the mouth above Connect pipe gallery body;What it is close to the external side of pipe gallery is the waterproof layer being laid with, and is affixed with waterproof layer on the inside of pervious concrete layer, It is closely connect with back fill course on the outside of pervious concrete layer, is laid with waterproof layer on the top of pipe gallery body, waterproof layer upside is tight Patch top water-proof concrete layer;U-shaped gutter has been built by laying bricks or stones respectively in pipe gallery body both sides, has been set in the two-end-point of pipe gallery body Set sump.
Further, the U-shaped gutter is structure as a whole with U-shaped open roof gutter.
Further, when the U-shaped gutter open roof is formed in longitudinally disposed 2% ~ 3% gradient of pipe gallery body.
Further, sump is set at comprehensive pipe gallery structure both ends, collects and passes through U-shaped gutter and pervious concrete layer The water of outflow is discharged.
Further, the water flowed out by U-shaped open roof gutter is collected by sump, while when water flows into sump When, water flows into the soil body by drainpipe, and underground water and natural rainfall is made to form cycle in the soil body.
Further, a kind of that there is waterproof, the construction method of the underground pipe gallery structure of drain function, including following step Suddenly:
(1)Precast concrete segment
Using C40 and the self-waterproof concrete precast concrete segment of the above intensity, the framework of steel reinforcement that handling processes, mould Plate installation and debugging, casting concrete form rear form removal and move on to concrete prefabricated segment finished product and put area.
(2)Excavation of foundation pit and gib
Before excavation, first to the pre-buried monitoring measurement point position of foundation pit surrounding, initial value is read, is often measured in digging process, It was found that if any exception(Other than warning value)It immediately treats.It is excavated using light shot, excavation of foundation pit range removes normal concrete Size is reserved in segment, should also include drainage pipeline position;If institute's excavation pit geological conditions is poor, soil nailing can be used and prop up temporarily Shield.
(3)Build sump
After excavation of foundation pit, sump is built, the purpose is to the underground water that gutter is discharged and precipitation remittance to catchment In well.Sump diameter is generally 5m ~ 10m, and sump bottom is built drainpipe, is discharged again to catchmenting.
(4)Transport and installation concrete segment
It after concrete segment reaches design strength, is transported with platform trailer, crawler crane installation, segment uses when installing Live gluing is assembled and applies prestressing force formation rigid joint connection.
(5)Build gutter by laying bricks or stones
After concrete segment is installed, U-shaped row is built by laying bricks or stones using water-proof concrete in slightly below pipe gallery corridor body bottom position Ditch, gutter are not less than 2% -3% gradient at pipe gallery corridor body longitudinal direction setting inclination angle, in " people's slowly Slope " shape.
(6)It is laid with waterproof layer
Waterproofing grade is determined with underground pipe gallery design requirement, determines laying coil waterproof layer and puts up benzene plate, waterproof Layer should form closed waterproof layer from structure base slab setting cushion to top plate basal plane in periphery.The description of waterproof roll And the number of plies, it should be according to underground project waterproof grade, level of ground water height and effect of water pressure situation, structure structural form and construction The factors such as technique determine.
(7)Backfill construction
When backfill construction, intensity is used to be backfilled for the pervious concrete of C30.The foundation pit wall back of the body is symmetrical using horizontal slice Back-filling way is backfilled within the scope of lateral backfill thickness 1m, and thickness is more than the natural earth that 1m ranges are excavated out originally using foundation pit Body is backfilled, and uses cal rolling.
The beneficial effects of the utility model:
The effect and advantage of the utility model are easy for batch production centralized production, at low cost, save construction cost and draining The ditch construction time has environment protecting;Effectively underground water and ground precipitation are dredged, and in the soil body residing for pipe gallery Aqueous be collected of institute can avoid the damages caused by corridor body such as corridor body periphery water storage, the inside infiltration of corridor body, leak with cycle, It connects and extends corridor body service life;Body of groundwater environment is avoided damage to, the self-loopa of underground water can be formed in the soil body, be collected into Water resource can carry out secondary use, improve the utilization rate of underground water and ground precipitation, meet the conception in sponge city.
Description of the drawings
Fig. 1 is the schematic cross-section of the utility model.
Fig. 2 is the U-shaped open roof gutter schematic diagram of the utility model.
In figure, 1 is top water-proof concrete layer, and 2 be back fill course, and 3 be pervious concrete layer, and 4 be waterproof layer, and 5 be comprehensive Piping lane body is closed, 6 be U-shaped gutter, and 7 be bottom water-proof concrete layer, and 8 be sump, and 9 be drainpipe, and 10 arrange for U-shaped open roof Ditch.
Specific implementation mode
It is a kind of mixed with waterproof, the underground pipe gallery structure of drain function, including top waterproof as shown in Fig. 1 ~ Fig. 2 Solidifying soil layer 1, back fill course 2, pervious concrete layer 3, waterproof layer 4, pipe gallery body 5, U-shaped gutter 6, bottom water-proof concrete Layer 7, sump 8, drainpipe 9 and U-shaped open roof gutter 10, bottom-up to see, the lower part of bottom water-proof concrete layer 7 and base The soil body that hole is excavated is connected, is connected pipe gallery body 5 above;What it is close to 5 outside of pipe gallery body is the waterproof layer 4 being laid with, 3 inside of pervious concrete layer is affixed with waterproof layer 4, and 3 outside of pervious concrete layer is closely connect with back fill course 2, in integrated pipe The top of corridor body 5 is laid with waterproof layer 4, and top water-proof concrete layer 1 is close in 4 upside of waterproof layer;Distinguish in 5 both sides of pipe gallery body It has built U-shaped gutter 6 by laying bricks or stones, sump 8 is set in the two-end-point of pipe gallery body 5;It is arranged with U-shaped open roof in the U-shaped gutter 6 Ditch 10 is structure as a whole;In 5 longitudinally disposed 2% ~ 3% gradient of pipe gallery body when the U-shaped gutter 6, open roof is formed;? Sump 8 is arranged in comprehensive pipe gallery structure both ends, collects the water by U-shaped gutter 6 and the discharge outflow of pervious concrete layer 3;By U The water that shape open roof gutter 10 is flowed out is collected by sump 8, while when water flows into sump 8, water is flowed by drainpipe 9 Enter the soil body, underground water and natural rainfall is made to form cycle in the soil body.
It is a kind of that there is waterproof, the construction method of the underground pipe gallery structure of drain function, include the following steps:
(1)Precast concrete segment
Using C40 and the self-waterproof concrete precast concrete segment of the above intensity, the framework of steel reinforcement that handling processes, mould Plate installation and debugging, casting concrete form rear form removal and move on to concrete prefabricated segment finished product and put area.
(2)Excavation of foundation pit and gib
Before excavation, first to the pre-buried monitoring measurement point position of foundation pit surrounding, initial value is read, is often measured in digging process, It was found that if any exception(Other than warning value)It immediately treats.It is excavated using light shot, excavation of foundation pit range removes normal concrete Size is reserved in segment, should also include drainage pipeline position;If institute's excavation pit geological conditions is poor, soil nailing can be used and prop up temporarily Shield.
(3)Build sump
After excavation of foundation pit, sump is built, the purpose is to the underground water that gutter is discharged and precipitation remittance to catchment In well.Sump diameter is generally 5m ~ 10m, and sump bottom is built drainpipe, is discharged again to catchmenting.
(4)Transport and installation concrete segment
It after concrete segment reaches design strength, is transported with platform trailer, crawler crane installation, segment uses when installing Live gluing is assembled and applies prestressing force formation rigid joint connection.
(5)Build gutter by laying bricks or stones
After concrete segment is installed, U-shaped row is built by laying bricks or stones using water-proof concrete in slightly below pipe gallery corridor body bottom position Ditch, gutter are not less than 2% -3% gradient at pipe gallery corridor body longitudinal direction setting inclination angle, in " people's slowly Slope " shape.
(6)It is laid with waterproof layer
Waterproofing grade is determined with underground pipe gallery design requirement, determines laying coil waterproof layer and puts up benzene plate, waterproof Layer should form closed waterproof layer from structure base slab setting cushion to top plate basal plane in periphery.The description of waterproof roll And the number of plies, it should be according to underground project waterproof grade, level of ground water height and effect of water pressure situation, structure structural form and construction The factors such as technique determine.
(7)Backfill construction
When backfill construction, intensity is used to be backfilled for the pervious concrete of C30.The foundation pit wall back of the body is symmetrical using horizontal slice Back-filling way is backfilled within the scope of lateral backfill thickness 1m, and thickness is more than the natural earth that 1m ranges are excavated out originally using foundation pit Body is backfilled, and uses cal rolling.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the scope of protection of the utility model.

Claims (3)

1. a kind of having waterproof, the underground pipe gallery structure of drain function, it is characterised in that:Including top water-proof concrete layer (1), back fill course(2), pervious concrete layer(3), waterproof layer(4), pipe gallery body(5), U-shaped gutter(6), bottom waterproof Concrete layer(7), sump(8), drainpipe(9)With U-shaped open roof gutter(10), bottom-up to see, the anti-water coagulation in bottom Soil layer(7)Lower part be connected with the soil body of excavation of foundation pit, above be connected pipe gallery body(5);Close to pipe gallery body(5)Outside Side is the waterproof layer being laid with(4), pervious concrete layer(3)Inside and waterproof layer(4)It is affixed, pervious concrete layer(3)Outside With back fill course(2)Close connection, in pipe gallery body(5)Top be laid with waterproof layer(4), waterproof layer(4)It is close to push up in upside Portion's water-proof concrete layer(1);In pipe gallery body(5)U-shaped gutter is built by laying bricks or stones respectively in both sides(6), in pipe gallery body(5)'s Sump is arranged in two-end-point(8).
2. as described in claim 1 a kind of with waterproof, the underground pipe gallery structure of drain function, it is characterised in that:Institute State U-shaped gutter(6)With U-shaped open roof gutter(10)It is structure as a whole.
3. as described in claim 1 a kind of with waterproof, the underground pipe gallery structure of drain function, it is characterised in that:Institute State U-shaped gutter(6)When in pipe gallery body(5)Longitudinally disposed 2% ~ 3% gradient forms open roof.
CN201820437318.XU 2018-03-29 2018-03-29 With waterproof, the underground pipe gallery structure of drain function Active CN208088344U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109322328A (en) * 2018-11-27 2019-02-12 上海应用技术大学 A kind of extremely frigid zones subway station top plate guarded drainage method and system
CN110821514A (en) * 2019-09-30 2020-02-21 中铁隧道局集团建设有限公司 Construction method of assembled primary support structure of tunnel in water-rich area
CN113216213A (en) * 2021-05-25 2021-08-06 国厦建设有限公司 Basement waterproof foundation pit structure and construction method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109322328A (en) * 2018-11-27 2019-02-12 上海应用技术大学 A kind of extremely frigid zones subway station top plate guarded drainage method and system
CN110821514A (en) * 2019-09-30 2020-02-21 中铁隧道局集团建设有限公司 Construction method of assembled primary support structure of tunnel in water-rich area
CN113216213A (en) * 2021-05-25 2021-08-06 国厦建设有限公司 Basement waterproof foundation pit structure and construction method

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Effective date of registration: 20200720

Address after: No. 102, Tanggu East Road, Binhai New Area, Tianjin, 300450

Patentee after: Tianjin Binhai New Area Urban Planning and Design Institute Co., Ltd

Address before: Hunnan Hunnan Road Shenyang city Liaoning province 110168 No. 9

Patentee before: SHENYANG JIANZHU University

TR01 Transfer of patent right