CN104847010B - A kind of miniature groundwater reservoir in city and construction method - Google Patents

A kind of miniature groundwater reservoir in city and construction method Download PDF

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Publication number
CN104847010B
CN104847010B CN201510127541.5A CN201510127541A CN104847010B CN 104847010 B CN104847010 B CN 104847010B CN 201510127541 A CN201510127541 A CN 201510127541A CN 104847010 B CN104847010 B CN 104847010B
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reservoir
water
miniature
groundwater
road
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CN104847010A (en
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刘汉龙
丁选明
瞿立明
肖杨
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Chongqing University
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Chongqing University
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Abstract

The invention discloses a kind of miniature groundwater reservoir in city.It is made up of the multiple tanks for being embedded in underground, tank is connected with municipal rain drainage pipe, Miniature water warehouse compartment is below the auxiliary road of urban road and greenbelt;On road and the rainwater of road periphery can flow into reservoir by drainpipe;When rainy, rainwater can flow into miniature reservoir storage by drainpipe;1/4 to 1/3 range above of tank side arranges small hole, allows the water in miniature reservoir to slowly penetrate foundation soil body, and recharge of groundwater improves groundwater environment.The invention also discloses the construction method of the miniature groundwater reservoir.The miniature groundwater reservoir of the present invention can alleviate the pressure of municipal rain drainage pipe, improve urban water ability, supplemented with underground water, improve groundwater environment, with preferable social benefit and the good ecological value.

Description

A kind of miniature groundwater reservoir in city and construction method
Technical field
The invention belongs to municipal works field, the miniature underground water in the more particularly to a kind of city being connected with rain drainage pipe Storehouse and construction method.
Background technology
As scale of urbanization is increasing, the hard ground such as concrete and pitch is more and more, rainwater and underground water every From increasingly severe, as city expands, urban discharging pipeline diameter is also increasing.Have little time during heavy rain in discharge causes Flood, jeopardizes life and the material property safety of the people when serious.Such as 7.21 extra torrential rain of the Beijing of year in 2012, cause 79 people dead Between house collapse 10660,160.2 ten thousand people are disaster-stricken, 116.4 hundred million yuan of economic loss.In May, 2014 Shenzhen heavy rain, causes locality to go out Existing road ponding at about 150, at 20 there is waterlogging in section, more than 5000 bus cannot normal operation, 2000 automobiles are flooded, The accumulative cancellation arrival & departure flights in Shenzhen Airport are nearly 200.
On the other hand, urban groundwater increasingly declines, and urban water shortage is increasingly serious, especially North City.2014, the whole nation 657 cities have more than 300 " water shortage ", and city of severe water shortage has more than 100.Official's data display, water resources in Hebei Province are serious Shortage, the whole province's average 205 billion cubic meter of gross amount of water resources for many years.307 cubic metres of water resource of per capita, is average national level 1/7, the extreme dehydration standard far below internationally recognized 500 cubic metres.By this year by the end of January, Beijing Plain underground water Compared with same period last year, level of ground water declines 0.3 meter to average buried depth, and groundwater storage reduces by 1.5 billion cubic meters;Before over-extraction The same period in 1998 is compared, and level of ground water declines 12.83 meters, and groundwater storage reduces by 65 billion cubic meters.Additionally, Beijing underground is Form the Trend of Groundwater Descent Funnel area of about 1000 square kilometres of area.
Traditional rainwater collection pool before the present invention is not connected with rainwater drainage pipe, slightly can only alleviate indirectly draining Pipeline pressure, sharing capability are limited, can not quickly and efficiently empty surface water in heavy rain;Bottom of pond is sealed, it is impossible to oozed to underground Water, so as to cannot recharge of groundwater, cause water resource waste.Hot season, because excessive hardened ground causes underground shipwreck With evaporative heat loss, solar irradiation aggregation causes serious tropical island effect.Ground settlement, road surface can be additionally caused to sink.Therefore, A kind of the miniature reservoir technology in underground that urban storm big flood can alleviate North City damage caused by a drought again can be solved in the urgent need to researching and developing.
Content of the invention
It is an object of the invention to overcoming, traditional rain drainage pipe drainability in heavy rain is not enough, underground water cannot Supplement, the defect of water resource waste, propose a kind of miniature reservoir in underground, the miniature reservoir can effectively alleviate drainage pipeline pressure, Urban Flood Waterlogging is prevented, and is supplemented underground water, alleviate urban water shortage arid.Another object of the present invention is to carrying For construction method of the miniature reservoir in actual Municipal Drainage Engineering.
The present invention employs the following technical solutions realization:
A kind of miniature groundwater reservoir, is made up of the multiple tanks for being embedded in underground, tank and municipal rainwater drainage pipe Road is connected, and tank top surface absolute altitude is flushed with the axis of rain drainage pipe;Miniature water warehouse compartment is in the auxiliary road of urban road and green Change band lower section;On road and the rainwater of road periphery can flow into reservoir by drainpipe;During heavy rain, rainwater can pass through drainpipe Miniature reservoir storage is automatically flowed into, after the water storage in reservoir is full, unnecessary water is still drained from rain drainage pipe;Storage In pond, water body can be used for municipal greening irrigation, urban fire control etc.;Tank side arranges small hole, makes in miniature reservoir Water can slowly penetrate foundation soil body, recharge of groundwater.
When the water of the miniature reservoir does not store full, the rainwater for flowing into rain drainage pipe from ground preferentially enters Miniature water Storehouse stores, and when the water storage of miniature reservoir is full, unnecessary water is drained.
The miniature reservoir has multiple tanks to be connected with rain drainage pipe in underground, when a certain tank hypervolia When other tanks can be shared by rainwater drainage pipe.
The miniature reservoir has pumping conduit to link up several reservoirs, can be extracted into ground by the water in several reservoirs simultaneously Face, for municipal water use.
The miniature reservoir surrounding concrete cast-in-situ, side arrange small hole, and hole is less viscous with permeability Soil filling, allows the water to slowly penetrate underground.
There is vertical pipeline to be connected with road center isolated area bottom at the top of the miniature reservoir.
The miniature reservoir is connected by direct-connected pipe and T-shaped draining with rain drainage pipe.
The connecting leg is being provided with filter screen with drainage pipeline junction, prevents connecting leg from blocking.
Miniature reservoir is that side arranges some small holes in factory's fiberglass prefabricated shaping, and hole permeates The less clay filled of property, allows the water to slowly penetrate underground.
The invention further relates to the construction method of miniature groundwater reservoir, comprises the following steps:
(1) geological prospecting is carried out, and surveying setting-out determines that Miniature water warehouse compartment is put;
(2) projected depth is excavated to, typically makes reservoir bottom be less than rain drainage pipe 2-3m;
(3) installation form, pours tank concrete, and (reserved connecting leg hole, drinking-water pipe hole, reservoir areole hole) is entered Row concrete curing;
(4), after 28 days intensity of concrete curing is qualified, clay is filled in areole hole, and hole top preferably spreads one layer of big grain The sandstone in footpath, prevents clay local failure because of washing away for water;
(5) drainpipe unwrapping wire positioning, installs filter screen, T-shaped drainpipe and direct-connected pipe successively;
(6) the step of repeating (2)~(5), until being connected with connecting leg between all tanks and drainpipe;
(7) water test is carried out;
(8) pumping conduit and water pump are installed, and carry out test of drawing water;
(9) backfill installs vertical connecting leg, filter screen to reservoir top surface;
(10) backfill installs reservoir concrete top cover to pavement-height.
Advantages of the present invention and effect are:As groundwater reservoir is connected with rain drainage pipe, so can be with during heavy rain Shunted by groundwater reservoir, substantially increase capacity of flood storage;Side wall arranges hole, and in storehouse, water can slowly penetrate underground, supplements Underground water, can alleviate the pressure of Urban Underground water shortage;The water of groundwater reservoir can be retracted to ground by water pump, carry out The irrigation of ground green plants.The hard grounds such as the concrete and pitch of city not draining are become by the present invention can be with " water suction " " flexibility " ground, so as to solve city big flood and arid two problems, makes urban rainwater " turning bane into boon ".The present invention constructed Journey is simple, is easy to implement, and transformation on existing urban road only need to close local track, and other tracks can normal pass.
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described in detail.Protection scope of the present invention not with Specific embodiment is limited, but is defined in the claims.
Description of the drawings
The single groundwater reservoirs of Fig. 1 and rain drainage pipe cross-sectional view;
Fig. 2 undergrounds Miniature water depositary management network arrangements figure;
Fig. 3 road Cross Section figures;
Fig. 4 profile of road figures;
Fig. 5 groundwater reservoir stereograms;
Fig. 6 groundwater reservoir front schematic views;
The T-shaped drainpipe schematic diagrames of Fig. 7;
In figure:1:The miniature reservoir in underground;2:T-shaped drainpipe;3:Reservoir bottom plate hole;4:Direct-connected pipe;5:Vertical connecting leg;6:Rain Water main sewer;7:Straight drinking-water pipe;8:Draw water curved connecting leg;9:Suction pump;10:Pump house;11:Car lane;12:Auxiliary channel Road;13:Pavement;14:Vertical rain pipe;15:Central partition;16:Groundwater reservoir top cover;17:Reservoir areole.
Specific embodiment
As shown in Fig. 1~Fig. 7, a kind of miniature groundwater reservoir 1 in city, surrounding is formed by concrete cast-in-situ, miniature underground water After storehouse 1 is connected with direct-connected pipe 4, then it is connected with T-shaped drainpipe 2, two other direction of T-shaped drainpipe 2 is then directly arranged with rainwater Supply mains 6 connects;Miniature groundwater reservoir 1 stretches into central partition 15,13 bottom of auxiliary road 12 or pavement by vertical connecting leg 5; Rainwater on auxiliary road 12 and pavement 13 is flowed in rain-water drainage house steward 6 by vertical rain pipe 14 and imports miniature groundwater reservoir 1; Water on car lane 11 flows into miniature groundwater reservoir 1 by vertical connecting leg 5;The miniature reservoir 1 in underground side 1/4 to 1/3 with Upper scope is provided with reservoir areole 17, allows the water in miniature groundwater reservoir 1 to permeate the ground;Water pump 9 is installed in pump house 10 Afterwards, the water in miniature reservoir can also be extracted into ground by the pipe network that draws water of straight drinking-water pipe 7 and the composition of curved connecting leg 8 that draws water;Vertically There is concrete top cover 16 at the top of connecting leg 5, to protect vehicle and pedestrains safety, while being available for maintenance to use.
The construction party of the miniature reservoir in above-mentioned underground, has following technical step:
(1) town road central partition 15 is explored, not only road will be longitudinally explored here, also right Road depth direction is explored.Town road to existing survey data, can adopt data with existing.
(2) according to exploration data, select the preferable soil layer of water penetration as reservoir position, for ease of pipe laying, make as far as possible Each reservoir longitudinally keeps on one wire, and mutual spacing is in 10~20m.
(3) 1 unwrapping wire of miniature groundwater reservoir positioning, is excavated to projected depth.
(4) formwork supporting plate, pours reservoir concrete it is noted that reserving connecting leg hole, drinking-water pipe hole, side wall and base plate hole, Maintenance.The additive of durability should be mixed with diminishing, slow setting and increase during with concrete in concrete, and is mixed appropriate High-quality admixture, such as flyash etc., to improve the workability of concrete, improves durability and impermeability.
(5) clay is filled in reservoir areole 17.Level is selected to be layered on 1 bottom of miniature groundwater reservoir with preferable sandy gravel, Clay local failure because water washes away is avoided, and the larger sandy gravel of some particle diameters can be spread at the top of clay.
(6) drainpipe unwrapping wire positioning, installs filter screen, T-shaped drainpipe 2 and direct-connected pipe 4 successively.T-shaped drainpipe 2 and direct-connected pipe 4 should be prefabricated according to design needs before construction.Where joint, it should tamped with cement mortar and waterproof material.
(7) the step of repeating 4~6, until having direct-connected pipe 4 between the miniature reservoir 1 in one group of underground and rain-water drainage house steward 6 It is connected.The quantity of miniature reservoir 1 under to each group, determines according to actual rainwater drainage pipe flow, generally 3~8 one groups.
(8) water test is carried out, and the water flowing toward in total 6 pipe of rain-water drainage is tested each reservoir and its whether connecting leg is unimpeded, and When process there is leak where.
(9) in confirmation, each reservoir is connected reliability with rain-water drainage house steward 6, after drainage system is without leakage point, installs straight Drinking-water pipe 7, draw water curved connecting leg 8 and suction pump 9, and carries out test of drawing water.Straight drinking-water pipe 7 is first installed during installation, makes as far as possible directly to take out Water pipe 7 is contacted with miniature groundwater reservoir 1, then installs the curved connecting leg 8 that draws water, the curved connecting leg 8 that draws water stretch into miniature 1 end of reservoir in underground away from Under liftoff, 1 base plate of miniature reservoir is not more than 50~200mm.
(10) backfill installs vertical connecting leg 5 and filter screen to 1 top surface of miniature groundwater reservoir;11 backfills to pavement-height, Miniature groundwater reservoir top cover 16 is installed.
Embodiment:
Referring to Fig. 1, it is the schematic cross-sectional view of certain road in figure.It is central partition 15 in the middle of the road.Central authorities every It is two-way car lane 11 from 15 both sides of band.The outside of two car lanes 11 is relief road 12.Outside relief road 12 Side is pavement 13.
Referring to Fig. 3,5 and 6, it is the miniature reservoir 1 in underground shown in figure.The miniature reservoir 1 in underground is by vertical connecting leg 5, side Wall and base plate composition.The base plate be by concreting into.The side wall be by concreting into hollow cylinder.Institute The lower end for stating hollow cylinder is buckled in the upper surface of the base plate.The upper end closed of the hollow cylinder, but leave a through hole, institute The lower end mouth of pipe for stating vertical connecting leg 5 is connected with this through hole.When pouring the side wall, some areoles 17 are reserved on the wall of side. Preferably, clay is filled in the areole 17.
Further, the closed upper end of the hollow cylinder, in addition to connecting the vertical connecting leg 5, also has one and takes out Water hole.Such as Fig. 4, the lower end of the curved connecting leg 8 that draws water is inserted in this suction eye, and reaches the bottom of the inner chamber of hollow cylinder.Draw water The upper end of curved connecting leg 8 is connected with straight drinking-water pipe 7.By starting the suction pump 9 being connected with straight drinking-water pipe 7 (installed in pump house 10 In), the water of miniature for underground reservoir 1 can be extracted out;Or to water filling in the miniature reservoir 1 in underground, to check seal.
Fig. 1 illustrates the miniature reservoir 1 in five undergrounds for arranging.The vertical connecting leg 5 of the miniature reservoir 1 in these undergrounds is located at respectively Below central partition 15, below car lane 11 and 12 intermediate isolating band (or greenbelt) of relief road, relief road 12 with Below 13 intermediate isolating band (or greenbelt) of pavement.Vertically 5 upper end outlet of connecting leg is provided with groundwater reservoir top cover 16.Fig. 2 is same Sample illustrates the miniature reservoir 1 in four undergrounds for arranging.The vertical connecting leg 5 of the miniature reservoir 1 in these undergrounds be located at relief road 12 with Below 13 intermediate isolating band (or greenbelt) of pavement.
When pouring the side wall, a connecting hole is also reserved with the wall of side.One mouth of pipe of direct-connected pipe 4 is connected with this Hole connects.Referring to Fig. 3, the direct-connected pipe 4 is to incline, and the one end being connected with the connecting hole is swept away.Referring to Fig. 7, institute in figure T-shaped drainpipe 2 is shown as, this T-shaped drainpipe 2 has three mouths of pipe (similar to threeway).Referring to Fig. 4, several undergrounds are miniature Reservoir 1 is arranged side by side, and the miniature connection of reservoir 1 in each underground is all connected with a direct-connected pipe 4.One mouth of pipe of these direct-connected pipes 4 (that mouth of pipe for tilting upward) is connected with a T-shaped drainpipe 2.Can be by some pipelines, by these T-shaped drainpipes 2 mouths of pipe not being connected with direct-connected pipe 4 are together in series, composition rain-water drainage house steward 6.Usually, by miniature for 3~8 undergrounds reservoir 1 Be combined as one group (four have been connected as Fig. 2,4), by pipeline, by the T-shaped draining of miniature for underground described in one group reservoir 1 Pipe 2 is together in series, composition rain-water drainage house steward 6.The rain-water drainage house steward 6 is located at the pumping equipment below road, with road surface It is connected.In the present embodiment, during construction, should be guaranteed that all of pipeline is reliably connected, will not leak.
What deserves to be explained is, the miniature reservoir 1 in these undergrounds is the tank being embedded under road.Rain-water drainage house steward 6 It is connected with municipal drainage system against rain, the miniature 1 top surface absolute altitude of reservoir in underground is flushed with the axis of rain-water drainage house steward 6.Heavy rain When, rainwater can automatically flow into miniature reservoir 1 by municipal drain and store.After the water storage in miniature reservoir 1 is full, unnecessary Water still can drain from municipal drainage system against rain.In miniature reservoir 1, water body can be used for municipal greening irrigation, city and disappear Anti- etc..Due to the presence of reservoir areole 17, the water in miniature reservoir 1 is allow to slowly penetrate foundation soil body, recharge of groundwater. It is connected to due to multiple miniature reservoirs 1, when some 1 moisture storage capacity of miniature reservoir is excessive, rainwater drainage pipe can be passed through Share other tanks.

Claims (3)

1. the miniature groundwater reservoir in a kind of city, it is characterised in that:It is made up of several tanks with top cover for being embedded in underground, Tank is connected with municipal rain drainage pipe, and tank top surface absolute altitude is flushed with the axis of rain drainage pipe;Miniature water Warehouse compartment is below the auxiliary road of urban road and greenbelt;On road and the rainwater of road periphery flows into reservoir by drainpipe;Rain When, rainwater automatically flows into miniature reservoir storage by drainpipe, and after the water storage in reservoir is full, unnecessary water is still from rain Water drainage pipeline is drained;In tank, water body is used for municipal greening irrigation, urban fire control;Tank side arranges small hole, Part water body in miniature reservoir slowly penetrates foundation soil, and recharge of groundwater improves groundwater environment;
When the water of miniature reservoir does not store full, the rainwater for flowing into municipal rain drainage pipe preferentially enters miniature reservoir storage, micro- When the water storage of type reservoir is full, unnecessary water is drained;
Miniature reservoir there are multiple tanks to be connected with rain drainage pipe in underground, when a certain tank hypervolia, lead to Cross rainwater drainage pipe and share other tanks;
Miniature reservoir tank has removable top cover, is extracted out the water in tank for municipal greening irrigation with water pump when needing;
Miniature reservoir surrounding concrete cast-in-situ, side arrange some small holes, and the less clay of hole permeability is filled out Fill, allow the water to slowly penetrate underground.
2. the miniature groundwater reservoir in a kind of city according to claim 1, it is characterised in that:Miniature reservoir is in factory's glass The prefabricated shaping of glass steel, side arranges some small holes, and the hole less clay filled of permeability allows the water to slowly ooze Enter underground.
3. a kind of construction method of the miniature groundwater reservoir in city according to claim 1, comprises the following steps:
(1) geological prospecting is carried out, and surveying setting-out determines that Miniature water warehouse compartment is put below the auxiliary road of urban road and greenbelt;
(2) projected depth is excavated to, typically makes reservoir bottom be less than rain drainage pipe 2-3m;
(3) installation form, pours tank concrete, and reserving hole carries out concrete curing;
(4), after 28 days intensity of concrete curing is qualified, clay is filled in the hole of side, and hole top spreads the sand of one layer of big particle diameter Stone, prevents clay local failure because of washing away for water;
(5) drainpipe unwrapping wire positioning, installs filter screen, T-shaped drainpipe and direct-connected pipe successively;
(6) the step of repeating (2)~(5), until being connected with connecting leg between all tanks and drainpipe;
(7) water test is carried out;
(8) pumping conduit and water pump are installed, and carry out test of drawing water;
(9) backfill installs vertical connecting leg, filter screen to reservoir top surface;
(10) backfill installs reservoir concrete top cover to pavement-height.
CN201510127541.5A 2015-03-23 2015-03-23 A kind of miniature groundwater reservoir in city and construction method Active CN104847010B (en)

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CN106351286A (en) * 2016-10-17 2017-01-25 重庆大学 Coral reef sand underground freshwater reserving and using method
CN107653957B (en) * 2017-09-15 2019-06-14 神华集团有限责任公司 A kind of groundwater reservoir drainage system and its control method
CN107587565B (en) * 2017-09-15 2019-06-25 神华集团有限责任公司 A kind of groundwater reservoir drainage equipment and its control method
CN109403450A (en) * 2018-10-12 2019-03-01 河海大学 A kind of environment-friendly type underground aqua storage tank for road drainage under Rainfall Condition
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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004169295A (en) * 2002-11-18 2004-06-17 Sadao Aoyama Rainwater infiltrating basin
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JP4997009B2 (en) * 2007-07-20 2012-08-08 アロン化成株式会社 Rainwater penetration
EP2454420A4 (en) * 2009-07-13 2016-02-10 Michael John Wynne Liquid run-off disposal system
CN203701255U (en) * 2014-01-28 2014-07-09 江苏建筑职业技术学院 Device for collecting rainwater on road to supplement underground water

Cited By (1)

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Publication number Priority date Publication date Assignee Title
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