CN100458018C - Underground step reservoir and building method thereof - Google Patents
Underground step reservoir and building method thereof Download PDFInfo
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- CN100458018C CN100458018C CNB2007101678731A CN200710167873A CN100458018C CN 100458018 C CN100458018 C CN 100458018C CN B2007101678731 A CNB2007101678731 A CN B2007101678731A CN 200710167873 A CN200710167873 A CN 200710167873A CN 100458018 C CN100458018 C CN 100458018C
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Abstract
The invention discloses an underground cascade reservoir and a method for constructing the same, wherein, the underground cascade reservoir comprises at least two grooves, impermeable geomembranes paved at the bottoms of the grooves; a cutting undercurrent filter pipe arranged along the top of the impermeable geomembranes of the grooves, control valve inlet wells arranged at the downstream ends of the cutting undercurrent filter pipes; an impervious wall arranged at the downstream ends of the grooves, wherein, the control valve inlet wells are orderly connected by conduits being connected orderly. The construction method comprises the following steps that: (1) the grooves are dug; (2) impermeable parts are prepared; (3) the cutting undercurrent filters are paved; (4) the control valve inlet wells are arranged; (5) the conduits are paved. The invention has the advantages that: the underground cascade reservoir is constructed under the condition of the natural gradient of the natural hypsography of the river, and is positioned in the seasonal mountains and rivers and utilizes the natural gradient of the mountains and rivers to collect the natural water resources maximumly.
Description
Technical field
The present invention relates to a kind of reservoir and construction method thereof, especially relate to a kind of underground step reservoir and construction method thereof.
Background technology
Along with society development, the continuous increase of population, people's water demand strengthens day by day, the contradiction of water requirement and water supply capacity strengthens year by year, as Critical policies and the means of optimizing Water Resources Allocation, raising water resources carrying capacity, groundwater reservoir is one of focus of domestic and international water conservancy circle research at present.
From existing groundwater reservoir, the overwhelming majority adopts the hydrologic(al) budget method to carry out phreatic regulating and storing, and the greatest drawback of this mode is to guarantee phreatic lasting supply.Disclose a kind of water storage method of agricultural irrigation among the patent CN1116261A, it is to build the anti-underground water-storage reservoir of antiseep of subsiding of long hole shape to realize that this method is that water is stored by introducing water-storage reservoir from the mode of drainage or water lift below the underground 1-2 rice of cultivated area.The defective of this technology is that water-storage reservoir is difficult to build, the cost height, and output is subjected to the restriction of storage capacity and the supply that can't realize continuing.
The economize on water method of greening of a kind of mode of utilizing natural grade and infiltration is disclosed among the special 11-166216 of Japanese documentation.Utilize the root system of the natural gradient and plant to come water storage in this technology, thereby realized the maintenance and the greening of water.But this technology can't realize the lasting supply and the uncontrollable output of water.
Summary of the invention
But purpose of the present invention provides a kind of and has made up conveniently, moisture storage capacity is big, the underground step reservoir of the supply automaticmanual control of the water yield.
Another object of the present invention is to provide a kind of construction method of underground step reservoir.
First purpose of the present invention is implemented by following technical scheme: a kind of underground step reservoir includes at least two grooves at the following basement rock in aquifer of the natural grade of natural river physical features, the two ends of described each groove place the two sides end in riverbed, anti-seepage geomembrane is laid in bottom at described each groove, one end of described anti-seepage geomembrane places in the sulculus of upstream extremity of described each groove, and is provided with clay or concrete on the anti-seepage geomembrane in described sulculus; Be equipped with on the top of the anti-seepage geomembrane in described each groove and cut a undercurrent chimney filter, be provided with the by-pass valve control collecting well in the downstream of described section undercurrent chimney filter, the water inlet by described by-pass valve control collecting well is connected with described section undercurrent chimney filter; Downstream at described each groove is established impervious wall, described by-pass valve control collecting well links to each other by the aqueduct that links to each other in turn successively, be that the described aqueduct that links to each other in turn links to each other with delivery port in turn with the water inlet of described by-pass valve control collecting well respectively, form plural at least underground step reservoir.
Described by-pass valve control collecting well is full antiseepage collecting well, the top part of described by-pass valve control collecting well is higher than the riverbed layer, the bottom of described by-pass valve control collecting well is lower than the bottommost of described groove, on described by-pass valve control collecting well, be provided with water inlet, sand trap, water inlet, delivery port and cat ladder, meet at described by-pass valve control collecting well and arrange described water inlet on the wall of up-stream face, and be provided with into penstock at described water inlet place, have sand trap at described by-pass valve control collecting well, be furnished with described delivery port on the relative downstream wall of described by-pass valve control collecting well, the place is equipped with safety plug at described delivery port; Described water inlet is connected and the by-pass valve control collecting well with described section undercurrent chimney filter; Described cat ladder is located on the described by-pass valve control collecting well borehole wall.
The material of described impervious wall is clay or concrete, or anti-seepage geomembrane, combines with the basement rock antiseepage in the lower end of described impervious wall, and the upper end of described impervious wall is face unexposedly.
Described section undercurrent chimney filter and the described by-pass valve control hole deviation of catchmenting is worn the main stem two ends, and described section undercurrent chimney filter upstream termination is lower than downstream end ground.
Described aqueduct is high-line conduit or pressure conduit.
Described aqueduct is arranged in the arbitrary bank of main stem.
Described aqueduct is higher than the bottom of described by-pass valve control collecting well.
Described by-pass valve control collecting well is corresponding one by one with described groove.
Second purpose of the present invention implemented by following technical scheme: a kind of construction method of underground step reservoir includes following steps, (1), excavation groove; (2), preparation Antiseepage pieces; (3), lay a section undercurrent chimney filter; (4), the setting of by-pass valve control collecting well; (5), the laying of aqueduct; Wherein
(1), excavation groove: at first excavate at least two grooves of the following basement rock in aquifer in the natural grade of natural river channel natural river physical features, layer thickness is frozen greater than routine in wherein said aquifer, and the two ends of described each groove place the two sides end in riverbed;
(2), preparation Antiseepage pieces: wherein said preparation Antiseepage pieces includes and 1. prepares anti-seepage geomembrane and 2. prepare impervious wall; Wherein
1. prepare anti-seepage geomembrane: with laying anti-seepage geomembrane at each groove inner bottom part and to the upstream extremity of this groove, upstream extremity at this groove excavates a sulculus, the two ends of described sulculus place the two sides end in riverbed, this end of described anti-seepage geomembrane is placed in the sulculus, adopt clay or concrete to fill and lead up sulculus;
2. prepare impervious wall: the downstream at described each groove is established impervious wall, described impervious wall material is clay or anti-seepage geomembrane or concrete, and the lower end of described impervious wall combines with the basement rock antiseepage, and the height of described impervious wall upper end does not go out ground, go out to ooze ground with waterproof, cause the evaporation waste;
(3), lay and cut the undercurrent chimney filter: a laying section undercurrent chimney filter in described each groove, the top of described section undercurrent chimney filter and both sides backfill filter material;
(4), the setting of by-pass valve control collecting well: the downstream at each groove of described excavation is provided with the by-pass valve control collecting well, the bottom of described by-pass valve control collecting well is lower than the bottommost of described groove, and the top part of described by-pass valve control collecting well is higher than the riverbed layer;
(5), the laying of aqueduct; Be equipped with aqueduct between per two described by-pass valve control collecting wells, described aqueduct is connected in turn between described by-pass valve control collecting well, and described aqueduct is connected in turn in the water inlet and the delivery port of described by-pass valve control collecting well; Promptly form the above step reservoir of two-stage at least.
Described by-pass valve control collecting well is full antiseepage collecting well, the top part of described by-pass valve control collecting well is higher than the riverbed layer, the bottom of described by-pass valve control collecting well is lower than the bottommost of described groove, on described by-pass valve control collecting well, be provided with water inlet, sand trap, water inlet, delivery port and cat ladder, meet at described by-pass valve control collecting well and arrange described water inlet on the wall of up-stream face, and be provided with into penstock at described water inlet place, have sand trap at described by-pass valve control collecting well, be furnished with described delivery port on the relative downstream wall of described by-pass valve control collecting well, the place is equipped with safety plug at described delivery port; Described water inlet is connected and the by-pass valve control collecting well with described section undercurrent chimney filter; Described cat ladder is located on the described by-pass valve control collecting well borehole wall.
Described impervious wall material is that clay or anti-seepage geomembrane or concrete are built, and combines with the basement rock antiseepage in the lower end of described impervious wall, and the upper end of described impervious wall is face unexposedly.
Described section undercurrent chimney filter and the described by-pass valve control hole deviation of catchmenting is worn the main stem two ends, and described section undercurrent chimney filter upstream termination is lower than downstream end ground.
Described aqueduct is not pressed or pressure conduit for having.
Described aqueduct is arranged in the arbitrary bank of main stem.
Described aqueduct is higher than the bottom of described by-pass valve control collecting well.
Described by-pass valve control collecting well is corresponding one by one with described groove.
The invention has the advantages that: the invention provides a kind of underground step reservoir of under the natural grade condition of natural river physical features, building, it is arranged in the river, seasonal mountains and rivers, utilize the natural gradient in mountains and rivers, river, compile the nature water resource to greatest extent.This underground step reservoir can utilize the nature water resource to greatest extent, can remove to build the underground step reservoir of different steps according to the requirement of water simultaneously, and can measure according to demand to regulate and supply with.The construction of this reservoir can not cause soil erosion and environment pollution.The structure of the by-pass valve control collecting well of underground step reservoir is controlled according to terminal supply peak level, has prevented the evaporation with ground of overflowing of water effectively, can be from tract opening controlling valve door collecting well valve piecemeal, classification water intaking during water shortage.So both avoided the waste of water resource, can reduce influence simultaneously the ambient water circulation.
Description of drawings
Fig. 1 is the structural representation of embodiment 1.(secondary)
Fig. 2 is the structural representation of embodiment 2.(Pyatyi)
Fig. 3 is the A-A sectional drawing of Fig. 1.
Fig. 4 is the structural representation of by-pass valve control collecting well of the present invention.
Fig. 5 is the B-B sectional drawing of Fig. 4.
Groove-1, anti-seepage geomembrane-2, sulculus-3 cuts undercurrent chimney filter-4, by-pass valve control collecting well-5, by-pass valve control collecting well water inlet-6, impervious wall-7, aqueduct-8, sand trap-9, delivery port-10, cat ladder-11, water inlet-12 is gone into penstock-13, safety plug-14.
The specific embodiment:
Embodiment 1: as Fig. 1, Fig. 3, shown in Figure 4, the underground step reservoir of two-stage includes two grooves 1 at the following basement rock in aquifer of the natural grade of natural river physical features, the two ends of each groove 1 place the two sides end in riverbed, anti-seepage geomembrane 2 is laid in bottom at each groove 1, one end of anti-seepage geomembrane 2 places in the sulculus 3 of upstream extremity of each groove 1, and is provided with clay or concrete on the anti-seepage geomembrane in sulculus 32; Be equipped with on the top of the anti-seepage geomembrane 2 in each groove 1 and cut a undercurrent chimney filter 4, be provided with by-pass valve control collecting well 5 in the downstream of cutting undercurrent chimney filter 4, the water inlet 6 by by-pass valve control collecting well 5 is connected with a section undercurrent chimney filter 4; Establish impervious wall 7 in the downstream of each groove 1, by-pass valve control collecting well 5 links to each other by the aqueduct 8 that links to each other in turn successively, promptly the aqueduct 8 that links to each other in turn links to each other with delivery port 10 in turn with the water inlet 12 of by-pass valve control collecting well 5 respectively, forms the underground step reservoir of two-stage.By-pass valve control collecting well 5 is corresponding one by one with groove 1.
By-pass valve control collecting well 5 is full antiseepage collecting well, the top part of by-pass valve control collecting well 5 is higher than the riverbed layer, the bottom of by-pass valve control collecting well 5 is lower than the bottommost of groove 1, on by-pass valve control collecting well 1, be provided with water inlet 6, sand trap 9, water inlet 12, delivery port 10 and cat ladder 11, meet at by-pass valve control collecting well 5 on the wall of up-stream face and be arranged into the mouth of a river 12, and be provided with into penstock 13 at water inlet 12 places, have sand trap 9 at by-pass valve control collecting well 5, be furnished with delivery port 10 on the relative downstream wall of by-pass valve control collecting well 5,10 places are equipped with safety plug 14 at delivery port; Water inlet 6 is connected and by-pass valve control collecting well 5 with a section undercurrent chimney filter 4; Cat ladder 11 is located on by-pass valve control collecting well 5 boreholes wall.The material of impervious wall 7 is clay or concrete, or any of anti-seepage geomembrane, combines with the basement rock antiseepage in the lower end of impervious wall 7, and the upper end of impervious wall 7 is face unexposedly.Cut undercurrent chimney filter 4 and by-pass valve control collecting well 5 and tiltedly wear the main stem two ends, and section undercurrent chimney filter 4 upstream terminations are lower than downstream end ground.Aqueduct 8 is high-line conduit or pressure conduit.The nothing that links to each other presses the aqueduct seam crossing to adopt seepage material coated in turn.Aqueduct 8 is arranged in the arbitrary bank of main stem.Aqueduct 8 is higher than the bottom of by-pass valve control collecting well 5.
The construction method of the underground step reservoir of two-stage includes following steps, (1), excavation groove 1; (2), preparation Antiseepage pieces; (3), lay a section undercurrent chimney filter 4; (4), the setting of by-pass valve control collecting well 5; (5), the laying of aqueduct 8; Wherein
(1), excavation groove 1: at first excavate two grooves 1 of the following basement rock in aquifer in the natural grade of natural river channel natural river physical features, wherein layer thickness is frozen greater than routine in the aquifer, and the two ends of each groove 1 place the two sides end in riverbed;
(2), preparation Antiseepage pieces: wherein prepare Antiseepage pieces and include and 1. prepare anti-seepage geomembrane 2 and 2. prepare impervious wall 7; Wherein
1. prepare anti-seepage geomembrane 2: anti-seepage geomembrane 2 is laid on each groove 1 inner bottom part and to the upstream extremity of this groove 1, upstream extremity at this groove 1 excavates a sulculus 3, the two ends of sulculus 3 place the two sides end in riverbed, this end of anti-seepage geomembrane 2 is placed in the sulculus 3, adopt clay or concrete to fill and lead up sulculus 3;
2. prepare impervious wall: establish impervious wall 7 in the downstream of each groove 1, impervious wall 7 materials are clay or anti-seepage geomembrane or concrete, and the lower end of impervious wall 7 combines with the basement rock antiseepage, and the height of impervious wall 7 upper ends does not go out ground, go out to ooze ground with waterproof, cause the evaporation waste;
(3), lay and cut undercurrent chimney filter 4: in each groove 1, lay and cut undercurrent chimney filter 4, cut the top and the both sides backfill filter material of undercurrent chimney filter 4; To reach the natural precipitation supply, silt does not arrive thoroughly and is purpose in the chimney filter;
(4), the setting of by-pass valve control collecting well 5: the downstream at each groove 1 that excavates is provided with by-pass valve control collecting well 5, the bottom of by-pass valve control collecting well 5 is lower than the bottommost (purpose is to be convenient to water intaking and desilting mud) of groove 1, and the top part of by-pass valve control collecting well 5 is higher than the riverbed layer.
(5), the laying of aqueduct 8; Be equipped with aqueduct 8 between per two by-pass valve control collecting wells 5, aqueduct 8 is connected in turn between by-pass valve control collecting well 5, and aqueduct 8 is connected in turn in the water inlet 12 and the delivery port 10 of by-pass valve control collecting well 5; Promptly form the two-stage step reservoir.
Embodiment 2: as Fig. 2, Fig. 3, shown in Figure 4, the underground step reservoir of Pyatyi includes five grooves 1 at the following basement rock in aquifer of the natural grade of natural river physical features, the two ends of each groove 1 place the two sides end in riverbed, anti-seepage geomembrane 2 is laid in bottom at each groove 1, one end of anti-seepage geomembrane 2 places in the sulculus 3 of upstream extremity of each groove 1, and is provided with clay or concrete on the anti-seepage geomembrane in sulculus 32; Be equipped with on the top of the anti-seepage geomembrane 2 in each groove 1 and cut a undercurrent chimney filter 4, be provided with by-pass valve control collecting well 5 in the downstream of cutting undercurrent chimney filter 4, the water inlet 6 by by-pass valve control collecting well 5 is connected with a section undercurrent chimney filter 4; Establish impervious wall 7 in the downstream of each groove 1, by-pass valve control collecting well 5 links to each other by the aqueduct 8 that links to each other in turn successively, promptly the aqueduct 8 that links to each other in turn links to each other with delivery port 10 with the water inlet 12 of by-pass valve control collecting well 5, forms the underground step reservoir of Pyatyi.By-pass valve control collecting well 5 is corresponding one by one with groove 1.
By-pass valve control collecting well 5 structures are as described in the embodiment 1.The material of impervious wall 7 is clay or concrete, or any of anti-seepage geomembrane, combines with the basement rock antiseepage in the lower end of impervious wall 7, and the upper end of impervious wall 7 is face unexposedly.Cut undercurrent chimney filter 4 and by-pass valve control collecting well 5 and tiltedly wear the main stem two ends, and section undercurrent chimney filter 4 upstream terminations are lower than downstream end ground.Aqueduct 8 is high-line conduit or pressure conduit.The nothing that links to each other presses the aqueduct seam crossing to adopt seepage material coated in turn.Aqueduct 8 is arranged in the arbitrary bank of main stem.Aqueduct 8 is higher than the bottom of by-pass valve control collecting well 5.
The construction method of the underground step reservoir of Pyatyi includes following steps, (1), excavation groove 1; (2), preparation Antiseepage pieces; (3), lay a section undercurrent chimney filter 4; (4), the setting of by-pass valve control collecting well 5; (5), the laying of aqueduct 8; Wherein
(1), excavation groove 1: at first excavate five grooves 1 of the following basement rock in aquifer in the natural grade of natural river channel natural river physical features, wherein layer thickness is frozen greater than routine in the aquifer, and the two ends of each groove 1 place the two sides end in riverbed;
(2), preparation Antiseepage pieces: wherein prepare Antiseepage pieces and include and 1. prepare anti-seepage geomembrane 2 and 2. prepare impervious wall 7; Wherein
1. prepare anti-seepage geomembrane 2: anti-seepage geomembrane 2 is laid on each groove 1 inner bottom part and to the upstream extremity of this groove 1, upstream extremity at this groove 1 excavates a sulculus 3, the two ends of sulculus 3 place the two sides end in riverbed, this end of anti-seepage geomembrane 2 is placed in the sulculus 3, adopt clay or concrete to fill and lead up sulculus 3;
2. prepare impervious wall: establish impervious wall 7 in the downstream of each groove 1, impervious wall 7 materials are clay or anti-seepage geomembrane or concrete, and the lower end of impervious wall 7 combines with the basement rock antiseepage, and the height of impervious wall 7 upper ends does not go out ground, go out to ooze ground with waterproof, cause the evaporation waste;
(3), lay and cut undercurrent chimney filter 4: in each groove 1, lay and cut undercurrent chimney filter 4, cut the top and the both sides backfill filter material of undercurrent chimney filter 4; To reach the natural precipitation supply, silt does not arrive thoroughly and is purpose in the chimney filter;
(4), the setting of by-pass valve control collecting well 5: the downstream at each groove 1 that excavates is provided with by-pass valve control collecting well 5, the bottom of by-pass valve control collecting well 5 is lower than the bottommost (purpose is to be convenient to water intaking and desilting mud) of groove 1, and the top part of by-pass valve control collecting well 5 is higher than the riverbed layer.
(5), the laying of aqueduct 8; Be equipped with aqueduct 8 between per two by-pass valve control collecting wells 5, aqueduct 8 is connected in turn between by-pass valve control collecting well 5, and aqueduct 8 is connected in turn in the water inlet 12 and the delivery port 10 of by-pass valve control collecting well 5; Promptly form the Pyatyi step reservoir.
Claims (16)
1, a kind of underground step reservoir, it is characterized in that, it includes at least two grooves at the following basement rock in the aquifer of the natural grade of natural river physical features, the two ends of described each groove place the two sides end in riverbed, anti-seepage geomembrane is laid in bottom at described each groove, one end of described anti-seepage geomembrane places in the sulculus of upstream extremity of described each groove, and is provided with clay or concrete on the anti-seepage geomembrane in described sulculus; Be equipped with on the top of the anti-seepage geomembrane in described each groove and cut a undercurrent chimney filter, be provided with the by-pass valve control collecting well in the downstream of described section undercurrent chimney filter, the water inlet by described by-pass valve control collecting well is connected with described section undercurrent chimney filter; Downstream at described each groove is established impervious wall, described by-pass valve control collecting well links to each other by the aqueduct that links to each other in turn successively, be that the described aqueduct that links to each other in turn links to each other with delivery port in turn with the water inlet of described by-pass valve control collecting well respectively, form plural at least underground step reservoir.
2, a kind of underground step reservoir as claimed in claim 1, it is characterized in that, described by-pass valve control collecting well is full antiseepage collecting well, the top part of described by-pass valve control collecting well is higher than the riverbed layer, the bottom of described by-pass valve control collecting well is lower than the bottommost of described groove, on described by-pass valve control collecting well, be provided with water inlet, sand trap, water inlet, delivery port and cat ladder, meet at described by-pass valve control collecting well and arrange described water inlet on the wall of up-stream face, and be provided with into penstock at described water inlet place, have sand trap at described by-pass valve control collecting well, be furnished with described delivery port on the relative downstream wall of described by-pass valve control collecting well, the place is equipped with safety plug at described delivery port; Described water inlet is connected in the by-pass valve control collecting well with described section undercurrent chimney filter; Described cat ladder is located on the described by-pass valve control collecting well borehole wall.
3, a kind of underground step reservoir as claimed in claim 1 is characterized in that, the material of described impervious wall is a clay, or concrete, or anti-seepage geomembrane, combines with the basement rock antiseepage in the lower end of described impervious wall, and the upper end of described impervious wall is face unexposedly.
4, a kind of underground step reservoir as claimed in claim 1 is characterized in that, described section undercurrent chimney filter and the described by-pass valve control hole deviation of catchmenting is worn the main stem two ends, and described section undercurrent chimney filter upstream termination is lower than downstream end ground.
5, a kind of underground step reservoir as claimed in claim 1 is characterized in that, described aqueduct is high-line conduit or pressure conduit.
6, a kind of underground step reservoir as claimed in claim 1 is characterized in that, described aqueduct is arranged in the arbitrary bank of main stem.
7, a kind of underground step reservoir as claimed in claim 1 is characterized in that described aqueduct is higher than the bottom of described by-pass valve control collecting well.
8, a kind of underground step reservoir as claimed in claim 1 is characterized in that, described by-pass valve control collecting well is corresponding one by one with described groove.
According to the construction method of the arbitrary described a kind of underground step reservoir of claim 1-8, it is characterized in that 9, it includes following steps, (1), excavation groove; (2), preparation Antiseepage pieces; (3), lay a section undercurrent chimney filter; (4), the setting of by-pass valve control collecting well; (5), the laying of aqueduct; Wherein
(1), excavation groove: at first excavate at least two grooves of the following basement rock in aquifer in the natural grade of natural river channel natural river physical features, layer thickness is frozen greater than routine in wherein said aquifer, and the two ends of described each groove place the two sides end in riverbed;
(2), preparation Antiseepage pieces: wherein said preparation Antiseepage pieces includes and 1. prepares anti-seepage geomembrane and 2. prepare impervious wall; Wherein
1. prepare anti-seepage geomembrane: with laying anti-seepage geomembrane at each groove inner bottom part and to the upstream extremity of this groove, upstream extremity at this groove excavates a sulculus, the two ends of described sulculus place the two sides end in riverbed, this end of described anti-seepage geomembrane is placed in the sulculus, adopt clay or concrete to fill and lead up sulculus;
2. prepare impervious wall: the downstream at described each groove is established impervious wall, described impervious wall material is clay or anti-seepage geomembrane or concrete, and the lower end of described impervious wall combines with the basement rock antiseepage, and the height of described impervious wall upper end does not go out ground, ooze out ground with waterproof, cause the evaporation waste;
(3), lay and cut the undercurrent chimney filter: a laying section undercurrent chimney filter in described each groove, the top of described section undercurrent chimney filter and both sides backfill filter material;
(4), the setting of by-pass valve control collecting well: the downstream at each groove of described excavation is provided with the by-pass valve control collecting well, the bottom of described by-pass valve control collecting well is lower than the bottommost of described groove, and the top part of described by-pass valve control collecting well is higher than the riverbed layer;
(5), the laying of aqueduct: between per two described by-pass valve control collecting wells, be equipped with aqueduct, described aqueduct is connected in turn between described by-pass valve control collecting well, and described aqueduct is connected in turn in the water inlet and the delivery port of described by-pass valve control collecting well; Promptly form the above step reservoir of two-stage at least.
10, the construction method of underground step reservoir according to claim 9, it is characterized in that, described by-pass valve control collecting well is full antiseepage collecting well, the top part of described by-pass valve control collecting well is higher than the riverbed layer, the bottom of described by-pass valve control collecting well is lower than the bottommost of described groove, on described by-pass valve control collecting well, be provided with water inlet, sand trap, water inlet, delivery port and cat ladder, meet at described by-pass valve control collecting well and arrange described water inlet on the wall of up-stream face, and be provided with into penstock at described water inlet place, have sand trap at described by-pass valve control collecting well, be furnished with described delivery port on the relative downstream wall of described by-pass valve control collecting well, the place is equipped with safety plug at described delivery port; Described water inlet is connected and the by-pass valve control collecting well with described section undercurrent chimney filter; Described cat ladder is located on the described by-pass valve control collecting well borehole wall.
11, the construction method of a kind of underground step reservoir as claimed in claim 9, it is characterized in that, described impervious wall material is that clay or anti-seepage geomembrane or concrete are built, and combines with the basement rock antiseepage in the lower end of described impervious wall, and the upper end of described impervious wall is face unexposedly.
12, the construction method of a kind of underground step reservoir as claimed in claim 9 is characterized in that, described section undercurrent chimney filter and the described by-pass valve control hole deviation of catchmenting is worn the main stem two ends, and described section undercurrent chimney filter upstream termination is lower than downstream end ground.
13, the construction method of a kind of underground step reservoir as claimed in claim 9 is characterized in that, described aqueduct is not pressed or pressure conduit for having.
14, the construction method of a kind of underground step reservoir as claimed in claim 9 is characterized in that, described aqueduct is arranged in the arbitrary bank of main stem.
15, the construction method of a kind of underground step reservoir as claimed in claim 9 is characterized in that, described aqueduct is higher than the bottom of described by-pass valve control collecting well.
16, a kind of underground step reservoir as claimed in claim 9 is characterized in that, described by-pass valve control collecting well is corresponding one by one with described groove.
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| CNB2007101678731A CN100458018C (en) | 2007-10-24 | 2007-10-24 | Underground step reservoir and building method thereof |
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| CNB2007101678731A CN100458018C (en) | 2007-10-24 | 2007-10-24 | Underground step reservoir and building method thereof |
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| CN101649606B (en) * | 2009-07-13 | 2011-07-06 | 黄泽普 | Non-negative-pressure leak-blocking method for forming lake in karst depression |
| CN102767394B (en) * | 2012-07-23 | 2014-12-10 | 中国神华能源股份有限公司 | Distributed underground reservoirs and flow guide method thereof |
| CN102926574B (en) * | 2012-11-20 | 2014-08-13 | 中国神华能源股份有限公司 | Seepage-proofing method of underwater reservoir and underwater reservoir with seepage-proofing function |
| CN104863082B (en) * | 2015-05-11 | 2017-01-18 | 珠江水利委员会珠江水利科学研究院 | Artificial lagoon filtering system |
| 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 |
| CN109898460A (en) * | 2017-12-08 | 2019-06-18 | 贺学术 | The abnormal siphon engineering that monsoon rainwater automatic control system is related to |
| CN112391993B (en) * | 2020-10-14 | 2022-06-07 | 新疆维吾尔自治区寒旱区水资源与生态水利工程研究中心(院士专家工作站) | Karez underground reservoir built in river reach of medium and small rivers and mountain areas |
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| 瑞士大狄克梯级水电站设计. 杨渭汶编译.四川水力发电，第4期. 1987 * |
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| CN101153481A (en) | 2008-04-02 |
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