CN210529874U - Tunnel rainwater collection device based on permeable pavement - Google Patents

Tunnel rainwater collection device based on permeable pavement Download PDF

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Publication number
CN210529874U
CN210529874U CN201920979135.5U CN201920979135U CN210529874U CN 210529874 U CN210529874 U CN 210529874U CN 201920979135 U CN201920979135 U CN 201920979135U CN 210529874 U CN210529874 U CN 210529874U
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China
Prior art keywords
rainwater
sewage intercepting
permeable
water
transverse
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CN201920979135.5U
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Chinese (zh)
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刘欣
王娜娜
邢向东
吴树洁
张超
王莹
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Tianjin Urban Construction Design Institute Co ltd
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Tianjin Urban Construction Design Institute Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

Abstract

The utility model discloses a tunnel rainwater collecting device based on permeable pavement, which comprises a longitudinal infiltration diversion trench, a sewage intercepting rainwater transverse trench and road curbstone which are paved at two sides of the permeable pavement of the tunnel with transverse gradient and longitudinal gradient; a rainwater grate is arranged on the sewage intercepting rainwater transverse ditch; a permeable filter material layer and a permeable pipe are arranged in the longitudinal infiltration diversion trench; two ends of the sewage intercepting rainwater transverse ditch are communicated with a rainwater sewage intercepting and deodorizing device; the rainwater sewage intercepting and deodorizing device comprises a vertical plate, a water-seal deodorizing partition plate is arranged between the vertical plate and a sewage intercepting rainwater transverse ditch, the water-seal deodorizing partition plate comprises a guide plate and a vertical partition plate which are obliquely arranged, and a drainage pipe opening is formed in the side wall of the sewage intercepting rainwater transverse ditch; the lower edge of the water discharge pipe opening is slightly higher than the upper edge of the water passing channel; and a sewage intercepting hanging basket is arranged at the lower end part of the vertical plate and the upper end part of the vertical partition plate, and oil filtering cloth is paved on the sewage intercepting hanging basket. The utility model has the advantages of cut dirty, sand setting, deoiling, deodorant function, and be convenient for maintain advantages such as mediation.

Description

Tunnel rainwater collection device based on permeable pavement
Technical Field
The utility model belongs to the technical field of the tunnel construction, especially, relate to a tunnel rainwater collection device based on permeable pavement.
Background
At present, China is pushing on sponge city construction, aims to restore the regulation and storage capacity of cities to rainwater, can store rainwater when rain is reached, and can permeate and release water storage when drought so as to relieve the problems of waterlogging and water shortage when the cities are rainy and drought. The existing sponge urban technologies comprise a water permeable pavement, an ecological grass ditch, a downward-permeating sandstone pipe groove, an urban wetland, an underground PP water storage module, an underground reinforced concrete reservoir and the like.
The tunnel is the indispensable partly in the urban construction, when the tunnel design, for satisfying the requirement of sponge city theory, with the road surface design permeable pavement of tunnel, joins in marriage the catch basin simultaneously on the tunnel approach for collect the rainwater, in view of the special function demand of tunnel inlet for stom water, traditional inlet for stom water can not satisfy the function that the rainwater of the tunnel of above-mentioned permeable pavement was collected.
Therefore, the utility model relates to a tunnel rainwater collection device based on permeable pavement.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a rainwater is collected, deodorant as an organic whole is applicable to road surface's that permeates water way rainwater collection device.
The utility model is realized in such a way, a tunnel rainwater collecting device based on a permeable pavement is characterized in that longitudinal infiltration guide ditches which are laid at two sides of the permeable pavement of the tunnel with transverse gradient and longitudinal gradient, a sewage intercepting rainwater transverse ditch which is vertical to the driving direction and a road kerbstone which is arranged at the outer side of the infiltration guide ditches are laid; the upper surface of the curbstone is higher than the upper surface of the permeable pavement of the tunnel; a rainwater grate is arranged on the sewage intercepting rainwater transverse ditch;
wherein the width of the longitudinal percolation flow guide groove is 30-50 cm; permeable concrete is poured in the longitudinal percolation flow guide channel, a permeable filter material layer is arranged at the lower part of the permeable concrete, and permeable geotextile is wrapped outside the permeable filter material layer; a water permeable pipe is embedded in the water permeable filter material layer; the water outlet end of the water permeable pipe is communicated with the sewage intercepting rainwater transverse ditch; the rainwater sewage intercepting and deodorizing device is arranged at the water outlet end of the water permeable pipe corresponding to the two communicated ends of the sewage intercepting rainwater transverse ditch; the rainwater well is positioned below the rainwater grate;
the rainwater sewage intercepting and deodorizing device comprises a vertical plate fixedly connected to a sewage intercepting rainwater transverse ditch along the traveling direction, and an excess space is reserved between the lower end surface of the vertical plate and the bottom of the sewage intercepting rainwater transverse ditch; a water-seal deodorization partition plate is arranged between the vertical plate and the sewage intercepting rainwater transverse ditch and comprises a guide plate and a vertical partition plate which are obliquely arranged, the upper end part of the guide plate is fixedly connected with the side wall of the sewage intercepting rainwater transverse ditch, and a water passing channel is arranged between the lower end surface of the vertical partition plate and the bottom of the sewage intercepting rainwater transverse ditch in a sand deposition space at the bottom of the sewage intercepting rainwater transverse ditch; a drainage pipe opening connected with an external drainage pipe is arranged on the side wall of the sewage intercepting rainwater transverse ditch corresponding to the water passing channel; the lower edge of the water discharge pipe opening is slightly higher than the upper edge of the water passing channel; the lower end of the vertical plate and the upper end of the vertical partition plate are provided with limiting tables, a sewage intercepting hanging basket is placed on the limiting tables, and oil filtering cloth is paved on the sewage intercepting hanging basket.
In the above technical solution, it is preferable that: the sewage intercepting and oil preventing hanging basket is characterized in that an overflow hole is formed in the vertical partition plate, and a gravity overflow plate is hinged to the upper edge of the overflow hole and close to the side of the water outlet pipe. Therefore, the water level rises to the overflow hole, the gravity overflow baffle can be flushed away by the pressure of water, rainwater is directly drained away from the overflow hole, the drainage capacity is increased, and the drainage capacity of the catch basin is effectively improved.
In the above technical solution, it is preferable that: the sewage intercepting hanging basket adopts a conical structure.
The utility model has the advantages of it is following and technological effect: because the above technical scheme is adopted in the utility model, compare the rainwater that is more applicable to the tunnel that has permeable pavement with traditional catch basin and collect, this inlet for stom water has and cuts dirty, sand setting, deoiling, deodorant function, and is convenient for maintain advantages such as mediation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of a longitudinal percolation flow guide trench;
fig. 3 is a schematic structural diagram of the internal structure of the sewage intercepting rainwater transverse ditch.
10, in the figure, the permeable pavement of the tunnel; 1. longitudinal percolation flow guide grooves; 1-1, pervious concrete; 1-2, a permeable filter material layer; 1-3, permeable geotextile; 1-4, a water permeable pipe; 2. intercepting a sewage rainwater transverse ditch; 3. curbstones; 4. a rainwater grate; 5. a rainwater sewage interception and deodorization device; 5-1, standing a plate; 5-2, water sealing deodorization partition board; 5-20 parts of a guide plate; 5-21, vertical partition boards; 5-3, a drainage pipe orifice; 5-4, a limit table; 5-5, cutting off the sewage and hanging the basket; 5-7, overflow holes; 5-8, gravity overflow plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be considered as limiting, but rather are presented for further explanation of the technical features of the invention as set forth in the following detailed description when considered in conjunction with the accompanying drawings.
Referring to fig. 1 to 3, a permeable pavement-based tunnel rainwater collection device comprises longitudinal infiltration diversion trenches 1 laid on two sides of a permeable pavement 10 of a tunnel with a transverse slope and a longitudinal slope, a sewage interception rainwater transverse trench 2 perpendicular to a driving direction, and road curbstones 3 arranged on the outer sides of the infiltration diversion trenches; the upper surface of the curbstone is higher than the upper surface of the permeable pavement of the tunnel; a rainwater grate 4 is arranged on the sewage intercepting rainwater transverse ditch;
wherein the width of the longitudinal percolation flow guide channel 1 is 30-50 cm; permeable concrete 1-1 is poured in the longitudinal percolation flow guide ditch, a permeable filter material layer 1-2 consisting of broken stones is arranged at the lower part of the permeable concrete, and permeable geotextile 1-3 is wrapped outside the permeable filter material layer to play a role in filtration; the permeable pipe 1-4 is embedded in the permeable filter material layer and is used for intensively collecting the filtered rainwater in the longitudinal percolation diversion trench; the water outlet end of the water permeable pipe is communicated with the sewage intercepting rainwater transverse ditch; the rainwater sewage intercepting and deodorizing device 5 is arranged at the water outlet end of the water permeable pipe corresponding to the two communicated ends of the sewage intercepting rainwater transverse ditch; the rainwater well is positioned below the rainwater grate;
the rainwater sewage intercepting and deodorizing device 5 comprises a vertical plate 5-1 fixedly connected to the sewage intercepting rainwater transverse ditch along the driving direction, and an excess space is reserved between the lower end surface of the vertical plate and the bottom of the sewage intercepting rainwater transverse ditch; a water-sealing deodorant partition plate 5-2 is arranged between the vertical plate and the sewage intercepting rainwater transverse ditch, the water-sealing deodorant partition plate comprises an obliquely arranged guide plate 5-20 and a vertical partition plate 5-21, the upper end part of the guide plate is fixedly connected with the side wall of the sewage intercepting rainwater transverse ditch, and a water passing channel is arranged between the lower end surface of the vertical partition plate and the bottom of the sewage intercepting rainwater transverse ditch in a sand settling space at the bottom of the sewage intercepting rainwater transverse ditch; a drainage pipe opening 5-3 connected with an external drainage pipe is arranged on the side wall of the sewage intercepting rainwater transverse ditch corresponding to the water passing channel; the lower edge of the water discharge pipe opening is slightly higher than the upper edge of the water passing channel; therefore, the water level in the rainwater well is above the water-sealing deodorizing partition plate, a good water-sealing effect is formed, the odor rising of the rainwater pipe is prevented, the water sealing is favorably realized, the limiting tables 5-4 are arranged at the lower end part of the vertical plate and the upper end part of the vertical partition plate, the sewage intercepting hanging basket 5-5 is placed on the limiting tables, and the stability of the sewage intercepting hanging basket is realized; the sewage intercepting hanging basket is paved with oil filtering cloth, the oil filtering cloth belongs to a known product, and can adsorb grease, permeate water and prevent oil from permeating, and the grease in rainwater runoff can be effectively adsorbed.
In the above technical solution, it is preferable that: an overflow hole 5-7 is arranged on the vertical clapboard above the sewage interception and oil prevention hanging basket, and a gravity overflow plate 5-8 is hinged at the upper edge of the overflow hole close to the side of the water outlet pipe. Therefore, the water level rises to the overflow hole, the gravity overflow baffle can be flushed away by the pressure of water, rainwater is directly drained away from the overflow hole, the drainage capacity is increased, and the drainage capacity of the catch basin is effectively improved.
In the above technical solution, it is preferable that: the sewage intercepting hanging basket adopts a conical structure, and is beneficial to later-stage cleaning.
The utility model discloses the theory of operation:
when the rainwater is in light rain or initial rainwater, the rainwater flow is small, the rainwater mainly flows together along two sides of a road, the rainwater downwards permeates through the pervious concrete with large pores under the action of gravity and enters the pervious pipes wrapped by the pervious geotextiles, the pervious pipes play a role in guiding water, and the rainwater is guided to the downstream sewage-intercepting rainwater transverse ditch along the longitudinal slope. The sewage intercepting rainwater transverse ditch at the lowest point of the tunnel is provided with sewage intercepting hanging baskets for filtering oil at two ends, rainwater discharged from the percolation diversion ditch enters the sewage intercepting hanging baskets, and partial pollutants are intercepted. During heavy rainstorms, the ground runoff pollutants are already largely trapped due to the initial period of washing. A small part of rainwater runoff can be drained into the sewage intercepting rainwater transverse ditch through an infiltration type, and a large part of rainwater can be drained into the intercepting ditch through surface runoff, so that the water drainage capability of the tunnel during heavy rainstorm is ensured. Meanwhile, the odor-resistant water vertical partition plate is arranged in the sewage intercepting rainwater transverse ditch to prevent the rising of odor in the underground pipeline in non-rainy seasons.
The utility model fully utilizes the surface runoff characteristics of the rainwater in the tunnel; the surface runoff of rainwater has the close relation with the road slope in the tunnel, and the synthesis of horizontal slope and vertical slope, the runoff of rainwater can oblique remit road both sides at first, and then converge to the minimum along road both sides. The utility model discloses equally have and cut dirty, sand setting, deoil, deodorant function, and be convenient for maintain advantages such as mediation.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (3)

1. A tunnel rainwater collecting device based on a permeable pavement is characterized in that longitudinal infiltration diversion trenches laid on two sides of the permeable pavement of the tunnel with transverse gradient and longitudinal gradient, a sewage intercepting rainwater transverse trench perpendicular to the driving direction and road curbstones arranged on the outer side of the infiltration diversion trenches are arranged; the upper surface of the curbstone is higher than the upper surface of the permeable pavement of the tunnel; a rainwater grate is arranged on the sewage intercepting rainwater transverse ditch;
wherein the width of the longitudinal percolation flow guide groove is 30-50 cm; permeable concrete is poured in the longitudinal percolation flow guide channel, a permeable filter material layer is arranged at the lower part of the permeable concrete, and permeable geotextile is wrapped outside the permeable filter material layer; a water permeable pipe is embedded in the water permeable filter material layer; the water outlet end of the water permeable pipe is communicated with the sewage intercepting rainwater transverse ditch; the rainwater sewage intercepting and deodorizing device is arranged at the water outlet end of the water permeable pipe corresponding to the two communicated ends of the sewage intercepting rainwater transverse ditch; the rainwater well is positioned below the rainwater grate;
the rainwater sewage intercepting and deodorizing device comprises a vertical plate fixedly connected to a sewage intercepting rainwater transverse ditch along the traveling direction, and an excess space is reserved between the lower end surface of the vertical plate and the bottom of the sewage intercepting rainwater transverse ditch; a water-seal deodorization partition plate is arranged between the vertical plate and the sewage intercepting rainwater transverse ditch and comprises a guide plate and a vertical partition plate which are obliquely arranged, the upper end part of the guide plate is fixedly connected with the side wall of the sewage intercepting rainwater transverse ditch, and a water passing channel is arranged between the lower end surface of the vertical partition plate and the bottom of the sewage intercepting rainwater transverse ditch in a sand deposition space at the bottom of the sewage intercepting rainwater transverse ditch; a drainage pipe opening connected with an external drainage pipe is arranged on the side wall of the sewage intercepting rainwater transverse ditch corresponding to the water passing channel; the lower edge of the water discharge pipe opening is slightly higher than the upper edge of the water passing channel; the lower end of the vertical plate and the upper end of the vertical partition plate are provided with limiting tables, a sewage intercepting hanging basket is placed on the limiting tables, and oil filtering cloth is paved on the sewage intercepting hanging basket.
2. The permeable pavement-based roadway rainwater collection device according to claim 1, wherein: the sewage intercepting and oil preventing hanging basket is characterized in that an overflow hole is formed in the vertical partition plate, and a gravity overflow plate is hinged to the upper edge of the overflow hole and close to the side of the water outlet pipe.
3. The permeable pavement-based roadway rainwater collection device according to claim 1, wherein: the sewage intercepting hanging basket adopts a conical structure.
CN201920979135.5U 2019-06-25 2019-06-25 Tunnel rainwater collection device based on permeable pavement Active CN210529874U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920979135.5U CN210529874U (en) 2019-06-25 2019-06-25 Tunnel rainwater collection device based on permeable pavement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920979135.5U CN210529874U (en) 2019-06-25 2019-06-25 Tunnel rainwater collection device based on permeable pavement

Publications (1)

Publication Number Publication Date
CN210529874U true CN210529874U (en) 2020-05-15

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Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112195717A (en) * 2020-08-26 2021-01-08 广东九万里建设集团有限公司 Energy-saving drainage construction method for municipal road
CN113073725A (en) * 2021-04-07 2021-07-06 无锡市鸣腾建设工程股份有限公司 Municipal road initial rainwater collection device based on rainwater and sewage separation
CN113248077A (en) * 2021-04-16 2021-08-13 交通运输部科学研究院 Carbon neutralization system and method for sponge type composite side ditch of road

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112195717A (en) * 2020-08-26 2021-01-08 广东九万里建设集团有限公司 Energy-saving drainage construction method for municipal road
CN113073725A (en) * 2021-04-07 2021-07-06 无锡市鸣腾建设工程股份有限公司 Municipal road initial rainwater collection device based on rainwater and sewage separation
CN113248077A (en) * 2021-04-16 2021-08-13 交通运输部科学研究院 Carbon neutralization system and method for sponge type composite side ditch of road
CN113248077B (en) * 2021-04-16 2021-11-16 交通运输部科学研究院 Carbon neutralization system and method for sponge type composite side ditch of road

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