CN106284504A - Using existing stratum as groundwater reservoir and the construction method of water-retention spongy body - Google Patents

Using existing stratum as groundwater reservoir and the construction method of water-retention spongy body Download PDF

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Publication number
CN106284504A
CN106284504A CN201610944364.4A CN201610944364A CN106284504A CN 106284504 A CN106284504 A CN 106284504A CN 201610944364 A CN201610944364 A CN 201610944364A CN 106284504 A CN106284504 A CN 106284504A
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China
Prior art keywords
water
reservoir
rock stratum
groundwater reservoir
existing
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CN201610944364.4A
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Chinese (zh)
Inventor
李顺群
潘林娜
毕广荣
王彦洋
张彦
朱希
胡铁鑫
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Tianjin Chengjian University
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Tianjin Chengjian University
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Priority to CN201610944364.4A priority Critical patent/CN106284504A/en
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108—Rainwater harvesting

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Sewage (AREA)

Abstract

The present invention provide a kind of using existing stratum the groundwater reservoir as water-retention spongy body, the seepage well of this groundwater reservoir is placed in sub-surface or rock stratum, on sub-surface or place, rock stratum, groove is excavated along place surrounding, the water proof component that will block water is arranged in excavated groove, soil layer or rock stratum and seepage well are centered around in excavated groove by the water proof component that blocks water, rainfall produce rainwash permeate the ground directly or by seepage well soil layer or rock stratum space in, and by the hole in soil layer or rock stratum and crack, these rainwater are stored as resource, forms groundwater reservoir.There is provided simultaneously a kind of utilize above-mentioned using existing stratum the groundwater reservoir construction method as water-retention spongy body.Provide the benefit that this groundwater reservoir is construction groundwater reservoir on the existing soil in city or rural area, both can alleviate the flood brought due to extreme weather, day by day exhausted groundwater resources can be supplemented again in time.Alleviate waterlogging and water scavenging system pressure, provide a kind of new construction method for making sponge city.

Description

Using existing stratum as groundwater reservoir and the construction method of water-retention spongy body
Technical field
The invention belongs to groundwater reservoir Development Engineering and soil body penetration performance utilizes field, be specifically related to a kind of with existing Layer is as the groundwater reservoir of water-retention spongy body and construction method.This reservoir is on city or rural existing place, utilizes soil layer In hole or hole in rock and crack store rainwater resource, to play flood control and reduce discharging, to reduce flow path surface, self-restraint water Source and the effect of ecological afforestation.
Background technology
Along with improving constantly and the impact of Global climate change of the level of urbanization, China's water resource spatial and temporal distributions is uneven Even problem is more prominent.The extreme weather disasters such as heavy showers, high temperature and typhoon take place frequently.In the natural disaster again and again occurred, Plane of weakness and the vulnerability of China's urban flood defence system come out the most therewith.Often running into heavy rain, change river course, street, garage become The difficult situation of reservoir can be found everywhere.China is again a less country of freshwater resources occupancy volume per capita, and water resource accounts for per capita The 1/4 of the amount of having deficiency world average level.In order to meet municipal water demand, each urban district continues its excessive exploitation of groundwater, makes subsoil water Position constantly declines, and geologic Environment Problem becomes increasingly conspicuous.The most effectively utilize rainfall resource, solve urban water supply not enough, be Put problem demanding prompt solution in face of us.
Groundwater reservoir is an engineering measure for Water Resource Adjustment And Control of development in recent years, efficient as one Water Resource Adjustment And Control engineering measure, significant for alleviating the Urban Flood Waterlogging nervous situation of solution water supply.Existing reservoir Pattern is mostly to utilize the natural underground space to be built up, such as coal mine gob, underground karst cavity, excavation be also similar to underground The large space in garage.This type of reservoir is generally off-site from urban district, it is impossible to plays the effect that flood control reduces discharging timely, and takies certain City space.Therefore be badly in need of one can either reduce surface water run-off, savings water resource, the most not by regional condition limited low Affect groundwater reservoir pattern.Rock And Soil water suction, water-retention, water purification in reservoir when rainfall, need can be stored in stratum again during water In water " discharge " and be used.It is enhancement region that construction has naturally osmotic, Natural regulation, the groundwater reservoir of Natural Circulation Territory flood control function, the effective way of reparation water ecological environment, therefore this reservoir has necessarily with problem of water consumption for solving precipitation Realistic meaning.
Summary of the invention
The present invention provide a kind of using existing stratum groundwater reservoir and the construction method as water-retention spongy body, this groundwater reservoir Take full advantage of micro-space, underground huge between soil particle in stratum and abundant rainfall resource in rainy season, reasonably by sponge city City and green building theory blend, to realize flood control reduction of discharging, water conservation, the purpose of green ecological.
For achieving the above object, the present invention provide a kind of using existing stratum the groundwater reservoir as water-retention spongy body, wherein: Described groundwater reservoir includes sub-surface or rock stratum, seepage well, block water water proof component；Described seepage well is placed in sub-surface or rock stratum In, on existing sub-surface or place, rock stratum, excavate groove along existing place surrounding, this gash depth scope is local water level 1-20 times of the line degree of depth, the water proof component that will block water is arranged in excavated groove, and the water proof component that blocks water by soil layer or rock stratum and oozes Well is centered around in excavated groove, formed an all round closure the underground space, rainfall produce rainwash directly or by Seepage well permeate the ground soil layer or rock stratum space in, and by the hole in soil layer or rock stratum and crack, using these rainwater as Resource stores, and forms groundwater reservoir.
There is provided simultaneously a kind of utilize above-mentioned using existing stratum the groundwater reservoir construction method as water-retention spongy body.
The effect of the present invention be this groundwater reservoir be on the existing soil in city or rural area construction groundwater reservoir, both can subtract The light flood brought due to extreme weather, can supplement again day by day exhausted groundwater resources in time.Alleviate waterlogging and draining System pressure, provides a kind of new construction method for making sponge city；And this reservoir makes full use of the storage of soil layer internal voids Deposit great lot of water resources, be not take up space land resource, therefore there is certain environment-friendly type and energy saving.Plan to build groundwater reservoir area 40000m2, block water water proof component buried depth 2m time, the water resources quantity that can store compared with same court after this reservoir builds up can be obtained more For 16000m3。
Accompanying drawing explanation
Fig. 1 is a kind of using existing stratum as the groundwater reservoir plane graph of water-retention spongy body of the present invention；
Fig. 2 is a kind of using existing stratum as the groundwater reservoir profile of water-retention spongy body of the present invention；
Fig. 3 is the seepage well schematic diagram of the present invention；
Fig. 4 is the water proof component schematic diagram that blocks water of the present invention；
Fig. 5 is the groundwater reservoir 3 d effect graph of the present invention.
In figure:
1, sub-surface or rock stratum 2, seepage well 3, the water proof component 4 that blocks water, infiltration direction
Detailed description of the invention
In conjunction with accompanying drawing, groundwater reservoir and the construction method using existing stratum as water-retention spongy body of the present invention are said Bright.
The present invention using existing stratum as the groundwater reservoir of water-retention spongy body, described groundwater reservoir is by sub-surface or rock Layer 1, seepage well 2, the water proof component 3 that blocks water are constituted；Described seepage well 2 is placed in sub-surface or rock stratum 1, at existing sub-surface or On place, rock stratum 1, excavating groove along existing place surrounding, this gash depth scope is 1-20 times of the local water level line degree of depth, will The water proof component 3 that blocks water is arranged in excavated groove, and soil layer or rock stratum 1 and seepage well 2 are centered around and are excavated by the water proof component 3 that blocks water In groove, forming the underground space of an all round closure, the rainwash that rainfall produces permeates the ground soil directly or by seepage well 2 In the space of layer or rock stratum, and by the hole in soil layer or rock stratum and crack, these rainwater are stored as resource, form ground Lower storage reservoir.
The groundwater reservoir Specific construction step using existing stratum as water-retention spongy body of the present invention is as follows:
(1) on the basis of local sub-surface or place, rock stratum 1, flat shape and the face thereof planning to build groundwater reservoir is determined Long-pending；
(2) excavating groove along described place surrounding, this gash depth scope is 1-20 times of the local water level line degree of depth, selects The water proof water blocking component 3 consistent with groove size, and water proof component 3 setting that blocks water is built in the groove excavated；
(3) ooze under in reservoir device seepage well 2 horizontal layout mode be rectangle or Triangle-Profile multiple, seepage well 2 it Between spacing range according to flow path surface and seepage well infiltration ability be defined as 5-10m, build up groundwater reservoir；
(4) according to the groundwater reservoir area built up in above-mentioned steps, sub-surface or the porosity n of rock stratum 1, saturation SrDeng calculating the moisture storage capacity Q of this reservoir, setting reservoir surface area as S, water proof component (3) buried depth that blocks water is L, and its computing formula is:
Q=S × L × n × (1-ST) (I)
In conjunction with the hydrogeologic condition of Efficiency in Buildings in Tianjin Area, a kind of using existing stratum as the ground of water-retention spongy body to the present invention The water resources quantity that in lower storage reservoir, the basic physical property of soil layer and this reservoir can be saved is done concrete quantization property and is analyzed as follows:
The basic physical property of clay at the different depth of different regions, table 1 Tianjin
Table 1 is the basic physical property of different regions, Tianjin different depth clay, and soil sample 1 and 2,3 and 4,5 and 6 is grouped Take from three different regional A, B, C.Wherein soil sample 1,3,5 is the clay at degree of depth 1m；Soil sample 2,4,6 is sticking at degree of depth 2m Soil.
Being averaged level of ground water is L, it is assumed that the area of built reservoir is S, then reservoir volume computing formula is:
V=S × L (2)
The porosity computing formula of soil:
n = v v v × 100 % - - - ( 3 )
V in formulaVVolume shared by hole, V is the volume of reservoir；Then volume shared by hole is:
VV=V × n (4)
Saturation SrComputing formula be:
S r = v w v v × 100 % - - - ( 5 )
V in formulaWVolume shared by water in hole；Then volume V shared by gas in holeaIt is the water that reservoir can be saved Stock number, its computing formula is:
Q=Va=VV-Sr×VV=VV×(1-Sr) (6)
Formula (2), (4) are substituted in formula (6) and obtain:
Q=S × L × n × (1-Sr) (1)
Investigation finds that the level of ground water of Tianjin fluctuates between 1.5～2.5m, takes the water proof component buried depth L=2m that blocks water, false The area of fixed built reservoir is S=40000m2, then reservoir total measurement (volume) V=S × L=40000 × 2=80000m3；If this subsoil water Storehouse is built at the A of region, then its moisture storage capacity QaFor:
Qa=Q1+Q2=40000 × 1 × [0.47 × (1-0.6655)+0.41 × (1-0.7356)]=10624.76m3；
The in like manner moisture storage capacity Q of reservoir at the B location of attainable region territoryb=21152.80m3；
The moisture storage capacity Q of reservoir at the location of C of regionc=22106.32m3。
The above combines this work progress and illustrates, and for a person skilled in the art, the present invention can have Corresponding change and change, such as change seepage well quantity and size, the degree of depth of the water proof component that blocks water and material etc., all according to this Bright a kind of groundwater reservoir using existing soil layer as water-retention spongy body, any modification, equivalent substitution and improvement etc. done, all should Within being included in protection scope of the present invention.

Claims (3)

1. using existing stratum as a groundwater reservoir for water-retention spongy body, it is characterized in that: described groundwater reservoir includes underground soil Layer or rock stratum (1), seepage well (2), block water water proof component (3)；Described seepage well (2) is placed in sub-surface or rock stratum (1), existing Sub-surface or rock stratum (1) place on, along existing place surrounding excavate groove, this gash depth scope is that local water level line is deep 1-20 times of degree, the water proof component (3) that will block water is arranged in excavated groove, and the water proof component (3) that blocks water is by soil layer or rock stratum (1) Being centered around in excavated groove with seepage well (2), form the underground space of an all round closure, the rainwash that rainfall produces is direct Or in the space of permeated the ground by seepage well (2) soil layer or rock stratum, and by the hole in soil layer or rock stratum and crack, by these Rainwater stores as resource, forms groundwater reservoir.
The most according to claim 1 using existing stratum as the groundwater reservoir of water-retention spongy body, it is characterized in that: described in block water every The continuous print platy structure that water component (3) is made up more than the material of existing soil layer or rock stratum rigidity of rigidity, has well Block water water isolating；By blocking water, reservoir water storage soil layer and outside soil layer are separated, to prevent outside subsoil water by water proof component Ooze.
3. utilizing the groundwater reservoir construction method using existing stratum as water-retention spongy body described in claim 1, the method includes Following steps:
(1) on the basis of local sub-surface or rock stratum (1) place, flat shape and the area thereof planning to build groundwater reservoir is determined；
(2) excavating groove along described existing place surrounding, this gash depth scope is 1-20 times of the local water level line degree of depth, selects The water proof water blocking component (3) consistent with groove size, and will block water water proof component (3) arrange build in the groove excavated；
(3) ooze under in reservoir device seepage well (2) horizontal layout mode be rectangle or Triangle-Profile multiple, seepage well (2) it Between spacing range according to flow path surface and seepage well infiltration ability be defined as 5-10m, build up groundwater reservoir；
(4) according to the groundwater reservoir area built up in above-mentioned steps, sub-surface or the porosity n of rock stratum (1), saturation Sr Deng calculating the moisture storage capacity Q of this reservoir, setting reservoir surface area as S, water proof component (3) buried depth that blocks water is L, and its computing formula is:
Q=S × L × n × (1-Sr)。 (1)。
CN201610944364.4A 2016-11-02 2016-11-02 Using existing stratum as groundwater reservoir and the construction method of water-retention spongy body Pending CN106284504A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108086242A (en) * 2017-12-07 2018-05-29 大连久鼎生态流域治理开发有限公司 The Water Cube combines the groundwater reservoir that artificial water-bearing layer is formed
CN109610622A (en) * 2018-11-05 2019-04-12 太原理工大学 A kind of coal mining area strip-type construction filling guarantor-water storage system
CN110359544A (en) * 2019-03-29 2019-10-22 张谦 A method of utilizing rain and flood resource recharge underground water

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US6840710B2 (en) * 2001-05-15 2005-01-11 Rar Group, Llc Underground alluvial water storage reservoir and method
US20080226395A1 (en) * 2007-03-14 2008-09-18 Ps Systems Inc. Bank-Sided Porosity Storage Reservoirs
DE102010022816A1 (en) * 2010-06-05 2011-12-08 Mitteldeutsche Braunkohlengesellschaft Mbh Method for dewatering multiple groundwater reservoirs, involves filtering vertical infiltration well into two groundwater reservoirs, where horizontal drill hole is incorporated in deepest filtered ground water reservoir
CN102518174A (en) * 2011-12-06 2012-06-27 张康德 Rain collecting project
CN105696646A (en) * 2016-03-31 2016-06-22 大连久鼎祥瑞特种工程技术研究院有限公司 Underground reservoir technique
CN206267226U (en) * 2016-11-02 2017-06-20 天津城建大学 Using existing stratum as the groundwater reservoir of retaining cavernous body

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6840710B2 (en) * 2001-05-15 2005-01-11 Rar Group, Llc Underground alluvial water storage reservoir and method
US20080226395A1 (en) * 2007-03-14 2008-09-18 Ps Systems Inc. Bank-Sided Porosity Storage Reservoirs
DE102010022816A1 (en) * 2010-06-05 2011-12-08 Mitteldeutsche Braunkohlengesellschaft Mbh Method for dewatering multiple groundwater reservoirs, involves filtering vertical infiltration well into two groundwater reservoirs, where horizontal drill hole is incorporated in deepest filtered ground water reservoir
CN102518174A (en) * 2011-12-06 2012-06-27 张康德 Rain collecting project
CN105696646A (en) * 2016-03-31 2016-06-22 大连久鼎祥瑞特种工程技术研究院有限公司 Underground reservoir technique
CN206267226U (en) * 2016-11-02 2017-06-20 天津城建大学 Using existing stratum as the groundwater reservoir of retaining cavernous body

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108086242A (en) * 2017-12-07 2018-05-29 大连久鼎生态流域治理开发有限公司 The Water Cube combines the groundwater reservoir that artificial water-bearing layer is formed
CN109610622A (en) * 2018-11-05 2019-04-12 太原理工大学 A kind of coal mining area strip-type construction filling guarantor-water storage system
CN109610622B (en) * 2018-11-05 2021-04-06 太原理工大学 Filling, protecting and water storing system with strip-type structure for coal mining area
CN110359544A (en) * 2019-03-29 2019-10-22 张谦 A method of utilizing rain and flood resource recharge underground water

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