CN107989153A - A kind of novel construction method for building sponge city - Google Patents

A kind of novel construction method for building sponge city Download PDF

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Publication number
CN107989153A
CN107989153A CN201711293192.XA CN201711293192A CN107989153A CN 107989153 A CN107989153 A CN 107989153A CN 201711293192 A CN201711293192 A CN 201711293192A CN 107989153 A CN107989153 A CN 107989153A
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laid
rainwater
water
ditch
permeable
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CN201711293192.XA
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陈洪
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Wuhu Energy Saving Technology Co Ltd
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Wuhu Energy Saving Technology Co Ltd
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Priority to CN201711293192.XA priority Critical patent/CN107989153A/en
Publication of CN107989153A publication Critical patent/CN107989153A/en
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/02Arrangement of sewer pipe-lines or pipe-line systems
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/14Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates

Abstract

The invention discloses a kind of novel construction method for building sponge city, including layings of excavation of foundation pit, base treatment, rainwater gathering tube, the construction of rain water drainage ditch, water storage clarifier-tank are built by laying bricks or stones, regulating reservoir construction, the construction of rainwater-collecting ditch, cistern construction, water tank are in place, the laying of infiltration basic unit, water seasoning.The present invention strengthens the naturally vertical penetrating power of sponge urban rainwater, the effectively excessive runoff rainwater of control, increase the collecting amount of rainwater, repeated multiple times filtering is carried out to the rainwater of collection at the same time, remove the impurity in rainwater, rainwater is collected, reaches the effect for being detained rainwater, mitigates municipal drainage pressure.

Description

A kind of novel construction method for building sponge city
Technical field
The invention belongs to sponge urban construction technical field, and in particular to a kind of new construction party for building sponge city Method.
Background technology
In recent years, meet rain must flood be increasingly becoming the urgent problem in many cities.Current many cities all use Fast row's pattern, rainwater falls on hardened ground and can only be concentrated in pipeline to be arranged soon, this pattern allow in city 70% rainwater in vain Lost, if leaving rather than draining most of rainwater, can realize to greatest extent rainwater urban area accumulation, Infiltration and purification, promote the utilization and ecological environmental protection of rainwater resource.That is, be expected to will be original big for sponge urban construction Amount drains into the water of pipe duct end in advance by absorbing, saving, the link such as permeate and digest, become crack meet rain must flood effectively on the way Footpath, rather than by repairing big drainpipe.
How rainwater is stayed in sponge Process of Urban Development, is formed substantial amounts of " cavernous body ", is enable city as sponge one Sample, has good " elasticity " adapting to environmental change and tackle natural calamity etc., water suction when raining, water storage, infiltration, only Water, it is necessary to when by the water stored " release " and be used.Sponge city is on the premise of municipal drainage prevention waterlogging safety is ensured, most Realize to limits accumulation, infiltration and purification of the rainwater in urban area, promote the utilization and ecological environmental protection of rainwater resource. The water systems such as Ru He, lake, pond, and the city auxiliary facility such as greenery patches, garden, permeable road surface.Rainwater passes through these " cavernous bodies " Under ooze, it is stagnant store, purification, reuse, last remainder is arranged by pipe network, outside pumping plant, so as to effectively improve sewerage system mark Standard, extenuates urban waterlogging pressure.Specifically, it is exactly in the place source such as urban architecture and cell, road, greenery patches, by big Scale carries out the eco-facilities such as Rain Garden, sunk type greenery patches, grass planting ditch, permeable pavement, and rainwater ooze, is regulated and stored.
But in traditional sponge urban construction pattern, during rainwater is collected, rain penetration performance is poor, rainwater-collecting Amount is restricted, and waterlogging phenomenon still occurs, and during rainwater infiltration, the impurity in rainwater easily blocks inbuilt pipe Road, influences whole water storage process.
The content of the invention
Goal of the invention:The present invention is directed to deficiency of the prior art, proposes a kind of new construction party for building sponge city Method.
Technical solution:A kind of novel construction method for building sponge city of the present invention, including such as step:
(1)Excavation of foundation pit:According to design working drawing, by the way of excavator coordinates artificial grooving, excavation pit is to designing mark Height, clears up bottom of foundation ditch, and it is levelling then to play the line of ink marker, keeps the gradient of bottom of foundation ditch to control hanging down for foundation pit side-wall 3%~5% Straight degree is respectively less than 2%, and does support protection, and grey wire tag, marks water storage clarifier-tank construction area under bottom of foundation ditch work;
(2) base treatment:Waterproofing geomembrane is laid with the grey coil of mark, is fixed every 5~8m with cement nail, then The original soil of 150~200mm is backfilled on waterproofing geomembrane, and rolls compacting back and forth, compacted density > 92%, then placement layer by layer Concrete cushion, total height are 250~300mm, reserve 100~150mm's between concrete cushion edge and waterproofing geomembrane The lap of splice, ventilating groove is reserved on concrete cushion every 10~15m, and it is laid with ventilating groove 100 from below to up~ The pervious concrete of 150mm thickness ventilation anti-seepage sand and 100~150mm thickness, every layer of uniform compaction, concrete cushion pour completion Afterwards, surface is rubbed with the hands flat with wooden float, and is covered in 12h, is conserved 7~8 days;
(3)Rainwater gathering tube is laid with:According to drawing select regulation model pipeline as rainwater gathering tube, and to inner-walls of duct into Row rinses, then the bottom of foundation ditch broken-up laying pipeline in excavation, and cushion block is set in the bottom of foundation pit, will be placed into pad per segment pipe On block, and pipeline fastening is subject to pipe sleeve on cushion block, between pipeline with retaining ring and is protected, rainwater gathering tube integrally keeps advising Grade is laid with, and is kept draining smooth, then in design position preserved pipeline access port, is then backfilled soil;
(4)Rain water drainage ditch construction:Geotextiles are first laid with the foundation pit of rain water drainage ditch, geotextile laying is smooth, overlap joint length Degree is laid with ventilation anti-seepage sand after the completion of 80mm-120mm, geotextile laying, in bottom, and arranges smooth, formation ventilation anti-seepage Layer of sand, then build the permeable roadbed in edge by laying bricks or stones in the foundation pit side of rain water drainage ditch, the permeable roadbed in edge is tested, ensures the permeable road in edge The bearing capacity of base is qualified, then is punched in the permeable roadbed in edge, is then laid with abandoned stream ditch water discharge pipe, and abandoned stream ditch water discharge pipe is worn The preformed hole of the permeable roadbed in edge is crossed, and abandoned stream ditch water discharge pipe is linked on the access port of rainwater gathering tube, then by side The permeable roadbed of edge sets side plate building enclosure, then rain water drainage filtration apparatus is set between side plate building enclosure, adjusts rainwater Abandoned stream filtration apparatus position, rain water drainage filtration apparatus and abandoned stream ditch water discharge pipe are connected, then with fastener by rain water drainage Filtration apparatus positioning is fixed, and is then laid with sand base water permeation channel cover plate at the top of the permeable roadbed in edge, then in the permeable operculum colpi of sand base Turf is laid with plate;
(5) water storage clarifier-tank is built by laying bricks or stones:After concrete cushion acceptance(check), water storage clarifier-tank is built by laying bricks or stones, will during pond body is built by laying bricks or stones Water string is attached separately on water inlet and water outlet, and collector pipe, is then installed on water inlet, by drainpipe by hammering compacting Enclosed on water outlet, and with waterstop in interface winding 2~3, the mode of locating slot will be directed at according to positioning protrusion to filter Water partition plate loads in water storage well, and cement mortar is then injected into locating slot, while clears up the slurries for overflowing locating slot, from pond body one Side starts to be laid with water storage well, and brushing cement mortar in each outside wall surface of water storage well, adjacent water storage well fits closely, and water storage well is laid with After, pour cover board and liquid level well successively, liquid level well bassets 50~100mm, is then laid with waterproof geotechnique on the cover board Film, is paved with whole cover board by waterproofing geomembrane, evens up fixation, and reserves the lap of splice of 100~150mm, is then close to pond body Outer wall is laid with a circle waterproofing geomembrane, then by the waterproofing geomembrane under the circle waterproofing geomembrane and concrete cushion, cover board Waterproofing geomembrane complete overlap joint processing;
(6)Regulating reservoir construction:The sand of 100mm, then backfill, and compaction in layers are laid with the bottom of foundation ditch of regulating reservoir, then In the bottom of foundation ditch and surrounding casting concrete of regulating reservoir, and reserved water exit position, overflow port, coagulation are poured at water exit position After soil maintenance, supporting rack is set up on concrete, then rainwater purification apparatus is set on supporting rack, then at the top of regulating reservoir Formwork, and one layer of permeable formation is laid with formwork, liquid level inductor is downwardly at permeable formation, then grass is laid with permeable formation Skin;
(7)Rainwater-collecting ditch construction:One layer of 200-300mm waterproof layer is laid with the bottom of foundation ditch of rainwater-collecting ditch, then in waterproof Personnel on site's assembly rainwater-collecting module is arranged on layer, rainwater-collecting module is installed according to the requirement and size of design, Gu Determine, into rain collector, to be then rinsed rain collector with water pipe, keep rain collector integrally to clean, so Screed-coat and sand base drainage brick are successively laid with the top of rain collector afterwards, liquid separation is then picked out at rain collector Pipe, U-type groove is set further according to the position of each separating tube, then steel plate is set in U-type groove, then fixes intercepting pollution for rainwater device It is connected to onto steel plate, and by separating tube on intercepting pollution for rainwater device, will then collects ditch water discharge pipe and be linked into rainwater gathering tube On access port, then rainwater elevator pump is connected with intercepting pollution for rainwater device, access hole then is set in the lower section of rainwater elevator pump, Then rainwater return duct is laid with the top of sand base drainage brick, rainwater return duct keeps horizontality when installing, and rotates using U-shaped It is laid with, the pipeline place of rotating is fixed using metal button member underthrust, and then rainwater return duct is linked on regulating reservoir, is then returned Banket earth, and sets one piece of biochemical filtering device on surface, is then laid with turf;
(8)Cistern construction:Anti-seepage geotextile first is laid with the foundation pit surrounding of cistern, anti-seepage geotextile laying is smooth, then The top of anti-seepage geotextile is laid with the bed course of 400-500mm, then carries out compacting fixation to bed course with side plate, then rainwater is collected Pipe is passed into the foundation pit of cistern, is then inserted in protective case, then the bottom of foundation ditch in cistern to the mouth of pipe of rainwater gathering tube Ventilation anti-seepage brick is laid with, ventilation anti-seepage brick is spaced apart 300-600mm holes, and the casting concrete in hole, then mixed The top for coagulating soil builds silica sand building block by laying bricks or stones, forms cellular water storage mechanism, and flow-guiding mouth, then backfill are set in water storage mechanism Earth, is then laid with concrete cover on soil;
(9) water tank is in place:Water tank and suction pump are separately fixed on ground, the water outlet connection water tank of suction pump, Each road drainpipe is assembled on more siphunculus, then the water inlet end by the water outlet connection suction pump of more siphunculus;
(10) infiltration basic unit is laid with:Backfilled with original soil and bury water storage clarifier-tank and cover board, often filled out 200~300mm and carry out manually Compacting, then on earthing face be laid with infiltration basic unit, infiltration basic unit be followed successively by from the bottom to top 100~150mm thickness coarse sands layer, The gravel layer of 200~250mm thickness and the metalling of 100~150mm thickness, coarse sands layer bury collector pipe, vibro-rammer after being laid with It is real, screed-coat, the levelling compacting of screed-coat sand are then laid with metalling, centre finally exists to both sides slope 1~1.5% Water-permeable brick is staggeredly laid with screed-coat, after water-permeable brick is laid with, compacting is smooth;
(11) water seasoning:After construction, water-permeable brick, and water seasoning are covered with stack of rice straw, when curing time is small more than 24, Ensure stack of rice straw moistening during maintenance, and forbid idler to trample.
Beneficial effect:The present invention strengthens the naturally vertical penetrating power of sponge urban rainwater, the effectively excessive runoff of control Rainwater, increases the collecting amount of rainwater, while carries out repeated multiple times filtering to the rainwater of collection, the impurity in rainwater is removed, by rain Water is collected, and reaches the effect for being detained rainwater, mitigates municipal drainage pressure.
Embodiment
With reference to specific embodiment, the invention will be further described:
Embodiment 1
A kind of novel construction method for building sponge city, including such as step:
(1)Excavation of foundation pit:According to design working drawing, by the way of excavator coordinates artificial grooving, excavation pit is to designing mark Height, clears up bottom of foundation ditch, and it is levelling then to play the line of ink marker, keeps the gradient of bottom of foundation ditch to control hanging down for foundation pit side-wall 3%~5% Straight degree is respectively less than 2%, and does support protection, and grey wire tag, marks water storage clarifier-tank construction area under bottom of foundation ditch work;
(2) base treatment:Waterproofing geomembrane is laid with the grey coil of mark, is fixed every 5~8m with cement nail, then The original soil of 150~200mm is backfilled on waterproofing geomembrane, and rolls compacting back and forth, compacted density > 92%, then placement layer by layer Concrete cushion, total height are 250~300mm, reserve 100~150mm's between concrete cushion edge and waterproofing geomembrane The lap of splice, ventilating groove is reserved on concrete cushion every 10~15m, and it is laid with ventilating groove 100 from below to up~ The pervious concrete of 150mm thickness ventilation anti-seepage sand and 100~150mm thickness, every layer of uniform compaction, concrete cushion pour completion Afterwards, surface is rubbed with the hands flat with wooden float, and is covered in 12h, is conserved 7~8 days;
(3)Rainwater gathering tube is laid with:According to drawing select regulation model pipeline as rainwater gathering tube, and to inner-walls of duct into Row rinses, then the bottom of foundation ditch broken-up laying pipeline in excavation, and cushion block is set in the bottom of foundation pit, will be placed into pad per segment pipe On block, and pipeline fastening is subject to pipe sleeve on cushion block, between pipeline with retaining ring and is protected, rainwater gathering tube integrally keeps advising Grade is laid with, and is kept draining smooth, then in design position preserved pipeline access port, is then backfilled soil;
(4)Rain water drainage ditch construction:Geotextiles are first laid with the foundation pit of rain water drainage ditch, geotextile laying is smooth, overlap joint length Degree is laid with ventilation anti-seepage sand after the completion of 80mm-120mm, geotextile laying, in bottom, and arranges smooth, formation ventilation anti-seepage Layer of sand, then build the permeable roadbed in edge by laying bricks or stones in the foundation pit side of rain water drainage ditch, the permeable roadbed in edge is tested, ensures the permeable road in edge The bearing capacity of base is qualified, then is punched in the permeable roadbed in edge, is then laid with abandoned stream ditch water discharge pipe, and abandoned stream ditch water discharge pipe is worn The preformed hole of the permeable roadbed in edge is crossed, and abandoned stream ditch water discharge pipe is linked on the access port of rainwater gathering tube, then by side The permeable roadbed of edge sets side plate building enclosure, then rain water drainage filtration apparatus is set between side plate building enclosure, adjusts rainwater Abandoned stream filtration apparatus position, rain water drainage filtration apparatus and abandoned stream ditch water discharge pipe are connected, then with fastener by rain water drainage Filtration apparatus positioning is fixed, and is then laid with sand base water permeation channel cover plate at the top of the permeable roadbed in edge, then in the permeable operculum colpi of sand base Turf is laid with plate;
(5) water storage clarifier-tank is built by laying bricks or stones:After concrete cushion acceptance(check), water storage clarifier-tank is built by laying bricks or stones, will during pond body is built by laying bricks or stones Water string is attached separately on water inlet and water outlet, and collector pipe, is then installed on water inlet, by drainpipe by hammering compacting Enclosed on water outlet, and with waterstop in interface winding 2~3, the mode of locating slot will be directed at according to positioning protrusion to filter Water partition plate loads in water storage well, and cement mortar is then injected into locating slot, while clears up the slurries for overflowing locating slot, from pond body one Side starts to be laid with water storage well, and brushing cement mortar in each outside wall surface of water storage well, adjacent water storage well fits closely, and water storage well is laid with After, pour cover board and liquid level well successively, liquid level well bassets 50~100mm, is then laid with waterproof geotechnique on the cover board Film, is paved with whole cover board by waterproofing geomembrane, evens up fixation, and reserves the lap of splice of 100~150mm, is then close to pond body Outer wall is laid with a circle waterproofing geomembrane, then by the waterproofing geomembrane under the circle waterproofing geomembrane and concrete cushion, cover board Waterproofing geomembrane complete overlap joint processing;
(6)Regulating reservoir construction:The sand of 100mm, then backfill, and compaction in layers are laid with the bottom of foundation ditch of regulating reservoir, then In the bottom of foundation ditch and surrounding casting concrete of regulating reservoir, and reserved water exit position, overflow port, coagulation are poured at water exit position After soil maintenance, supporting rack is set up on concrete, then rainwater purification apparatus is set on supporting rack, then at the top of regulating reservoir Formwork, and one layer of permeable formation is laid with formwork, liquid level inductor is downwardly at permeable formation, then grass is laid with permeable formation Skin;
(7)Rainwater-collecting ditch construction:One layer of 200-300mm waterproof layer is laid with the bottom of foundation ditch of rainwater-collecting ditch, then in waterproof Personnel on site's assembly rainwater-collecting module is arranged on layer, rainwater-collecting module is installed according to the requirement and size of design, Gu Determine, into rain collector, to be then rinsed rain collector with water pipe, keep rain collector integrally to clean, so Screed-coat and sand base drainage brick are successively laid with the top of rain collector afterwards, liquid separation is then picked out at rain collector Pipe, U-type groove is set further according to the position of each separating tube, then steel plate is set in U-type groove, then fixes intercepting pollution for rainwater device It is connected to onto steel plate, and by separating tube on intercepting pollution for rainwater device, will then collects ditch water discharge pipe and be linked into rainwater gathering tube On access port, then rainwater elevator pump is connected with intercepting pollution for rainwater device, access hole then is set in the lower section of rainwater elevator pump, Then rainwater return duct is laid with the top of sand base drainage brick, rainwater return duct keeps horizontality when installing, and rotates using U-shaped It is laid with, the pipeline place of rotating is fixed using metal button member underthrust, and then rainwater return duct is linked on regulating reservoir, is then returned Banket earth, and sets one piece of biochemical filtering device on surface, is then laid with turf;
(8)Cistern construction:Anti-seepage geotextile first is laid with the foundation pit surrounding of cistern, anti-seepage geotextile laying is smooth, then The top of anti-seepage geotextile is laid with the bed course of 400-500mm, then carries out compacting fixation to bed course with side plate, then rainwater is collected Pipe is passed into the foundation pit of cistern, is then inserted in protective case, then the bottom of foundation ditch in cistern to the mouth of pipe of rainwater gathering tube Ventilation anti-seepage brick is laid with, ventilation anti-seepage brick is spaced apart 300-600mm holes, and the casting concrete in hole, then mixed The top for coagulating soil builds silica sand building block by laying bricks or stones, forms cellular water storage mechanism, and flow-guiding mouth, then backfill are set in water storage mechanism Earth, is then laid with concrete cover on soil;
(9) water tank is in place:Water tank and suction pump are separately fixed on ground, the water outlet connection water tank of suction pump, Each road drainpipe is assembled on more siphunculus, then the water inlet end by the water outlet connection suction pump of more siphunculus;
(10) infiltration basic unit is laid with:Backfilled with original soil and bury water storage clarifier-tank and cover board, often filled out 200~300mm and carry out manually Compacting, then on earthing face be laid with infiltration basic unit, infiltration basic unit be followed successively by from the bottom to top 100~150mm thickness coarse sands layer, The gravel layer of 200~250mm thickness and the metalling of 100~150mm thickness, coarse sands layer bury collector pipe, vibro-rammer after being laid with It is real, screed-coat, the levelling compacting of screed-coat sand are then laid with metalling, centre finally exists to both sides slope 1~1.5% Water-permeable brick is staggeredly laid with screed-coat, after water-permeable brick is laid with, compacting is smooth;
(11) water seasoning:After construction, water-permeable brick, and water seasoning are covered with stack of rice straw, when curing time is small more than 24, Ensure stack of rice straw moistening during maintenance, and forbid idler to trample.
The above described is only a preferred embodiment of the present invention, not make limitation in any form to the present invention, though So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit according to the present invention Any simple modification, equivalent change and modification made to above example, in the range of still falling within technical solution of the present invention.

Claims (1)

  1. A kind of 1. novel construction method for building sponge city, it is characterised in that:Include the following steps:
    (1)Excavation of foundation pit:According to design working drawing, by the way of excavator coordinates artificial grooving, excavation pit is to designing mark Height, clears up bottom of foundation ditch, and it is levelling then to play the line of ink marker, keeps the gradient of bottom of foundation ditch to control hanging down for foundation pit side-wall 3%~5% Straight degree is respectively less than 2%, and does support protection, and grey wire tag, marks water storage clarifier-tank construction area under bottom of foundation ditch work;
    (2) base treatment:Waterproofing geomembrane is laid with the grey coil of mark, is fixed every 5~8m with cement nail, then The original soil of 150~200mm is backfilled on waterproofing geomembrane, and rolls compacting back and forth, compacted density > 92%, then placement layer by layer Concrete cushion, total height are 250~300mm, reserve 100~150mm's between concrete cushion edge and waterproofing geomembrane The lap of splice, ventilating groove is reserved on concrete cushion every 10~15m, and it is laid with ventilating groove 100 from below to up~ The pervious concrete of 150mm thickness ventilation anti-seepage sand and 100~150mm thickness, every layer of uniform compaction, concrete cushion pour completion Afterwards, surface is rubbed with the hands flat with wooden float, and is covered in 12h, is conserved 7~8 days;
    (3)Rainwater gathering tube is laid with:According to drawing select regulation model pipeline as rainwater gathering tube, and to inner-walls of duct into Row rinses, then the bottom of foundation ditch broken-up laying pipeline in excavation, and cushion block is set in the bottom of foundation pit, will be placed into pad per segment pipe On block, and pipeline fastening is subject to pipe sleeve on cushion block, between pipeline with retaining ring and is protected, rainwater gathering tube integrally keeps advising Grade is laid with, and is kept draining smooth, then in design position preserved pipeline access port, is then backfilled soil;
    (4)Rain water drainage ditch construction:Geotextiles are first laid with the foundation pit of rain water drainage ditch, geotextile laying is smooth, overlap joint length Degree is laid with ventilation anti-seepage sand after the completion of 80mm-120mm, geotextile laying, in bottom, and arranges smooth, formation ventilation anti-seepage Layer of sand, then build the permeable roadbed in edge by laying bricks or stones in the foundation pit side of rain water drainage ditch, the permeable roadbed in edge is tested, ensures the permeable road in edge The bearing capacity of base is qualified, then is punched in the permeable roadbed in edge, is then laid with abandoned stream ditch water discharge pipe, and abandoned stream ditch water discharge pipe is worn The preformed hole of the permeable roadbed in edge is crossed, and abandoned stream ditch water discharge pipe is linked on the access port of rainwater gathering tube, then by side The permeable roadbed of edge sets side plate building enclosure, then rain water drainage filtration apparatus is set between side plate building enclosure, adjusts rainwater Abandoned stream filtration apparatus position, rain water drainage filtration apparatus and abandoned stream ditch water discharge pipe are connected, then with fastener by rain water drainage Filtration apparatus positioning is fixed, and is then laid with sand base water permeation channel cover plate at the top of the permeable roadbed in edge, then in the permeable operculum colpi of sand base Turf is laid with plate;
    (5) water storage clarifier-tank is built by laying bricks or stones:After concrete cushion acceptance(check), water storage clarifier-tank is built by laying bricks or stones, will during pond body is built by laying bricks or stones Water string is attached separately on water inlet and water outlet, and collector pipe, is then installed on water inlet, by drainpipe by hammering compacting Enclosed on water outlet, and with waterstop in interface winding 2~3, the mode of locating slot will be directed at according to positioning protrusion to filter Water partition plate loads in water storage well, and cement mortar is then injected into locating slot, while clears up the slurries for overflowing locating slot, from pond body one Side starts to be laid with water storage well, and brushing cement mortar in each outside wall surface of water storage well, adjacent water storage well fits closely, and water storage well is laid with After, pour cover board and liquid level well successively, liquid level well bassets 50~100mm, is then laid with waterproof geotechnique on the cover board Film, is paved with whole cover board by waterproofing geomembrane, evens up fixation, and reserves the lap of splice of 100~150mm, is then close to pond body Outer wall is laid with a circle waterproofing geomembrane, then by the waterproofing geomembrane under the circle waterproofing geomembrane and concrete cushion, cover board Waterproofing geomembrane complete overlap joint processing;
    (6)Regulating reservoir construction:The sand of 100mm, then backfill, and compaction in layers are laid with the bottom of foundation ditch of regulating reservoir, then In the bottom of foundation ditch and surrounding casting concrete of regulating reservoir, and reserved water exit position, overflow port, coagulation are poured at water exit position After soil maintenance, supporting rack is set up on concrete, then rainwater purification apparatus is set on supporting rack, then at the top of regulating reservoir Formwork, and one layer of permeable formation is laid with formwork, liquid level inductor is downwardly at permeable formation, then grass is laid with permeable formation Skin;
    (7)Rainwater-collecting ditch construction:One layer of 200-300mm waterproof layer is laid with the bottom of foundation ditch of rainwater-collecting ditch, then in waterproof Personnel on site's assembly rainwater-collecting module is arranged on layer, rainwater-collecting module is installed according to the requirement and size of design, Gu Determine, into rain collector, to be then rinsed rain collector with water pipe, keep rain collector integrally to clean, so Screed-coat and sand base drainage brick are successively laid with the top of rain collector afterwards, liquid separation is then picked out at rain collector Pipe, U-type groove is set further according to the position of each separating tube, then steel plate is set in U-type groove, then fixes intercepting pollution for rainwater device It is connected to onto steel plate, and by separating tube on intercepting pollution for rainwater device, will then collects ditch water discharge pipe and be linked into rainwater gathering tube On access port, then rainwater elevator pump is connected with intercepting pollution for rainwater device, access hole then is set in the lower section of rainwater elevator pump, Then rainwater return duct is laid with the top of sand base drainage brick, rainwater return duct keeps horizontality when installing, and rotates using U-shaped It is laid with, the pipeline place of rotating is fixed using metal button member underthrust, and then rainwater return duct is linked on regulating reservoir, is then returned Banket earth, and sets one piece of biochemical filtering device on surface, is then laid with turf;
    (8)Cistern construction:Anti-seepage geotextile first is laid with the foundation pit surrounding of cistern, anti-seepage geotextile laying is smooth, then The top of anti-seepage geotextile is laid with the bed course of 400-500mm, then carries out compacting fixation to bed course with side plate, then rainwater is collected Pipe is passed into the foundation pit of cistern, is then inserted in protective case, then the bottom of foundation ditch in cistern to the mouth of pipe of rainwater gathering tube Ventilation anti-seepage brick is laid with, ventilation anti-seepage brick is spaced apart 300-600mm holes, and the casting concrete in hole, then mixed The top for coagulating soil builds silica sand building block by laying bricks or stones, forms cellular water storage mechanism, and flow-guiding mouth, then backfill are set in water storage mechanism Earth, is then laid with concrete cover on soil;
    (9) water tank is in place:Water tank and suction pump are separately fixed on ground, the water outlet connection water tank of suction pump, Each road drainpipe is assembled on more siphunculus, then the water inlet end by the water outlet connection suction pump of more siphunculus;
    (10) infiltration basic unit is laid with:Backfilled with original soil and bury water storage clarifier-tank and cover board, often filled out 200~300mm and carry out manually Compacting, then on earthing face be laid with infiltration basic unit, infiltration basic unit be followed successively by from the bottom to top 100~150mm thickness coarse sands layer, The gravel layer of 200~250mm thickness and the metalling of 100~150mm thickness, coarse sands layer bury collector pipe, vibro-rammer after being laid with It is real, screed-coat, the levelling compacting of screed-coat sand are then laid with metalling, centre finally exists to both sides slope 1~1.5% Water-permeable brick is staggeredly laid with screed-coat, after water-permeable brick is laid with, compacting is smooth;
    (11) water seasoning:After construction, water-permeable brick, and water seasoning are covered with stack of rice straw, when curing time is small more than 24, Ensure stack of rice straw moistening during maintenance, and forbid idler to trample.
CN201711293192.XA 2017-12-08 2017-12-08 A kind of novel construction method for building sponge city Pending CN107989153A (en)

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CN108755319A (en) * 2018-06-06 2018-11-06 上海景铭建设发展有限公司 A kind of road construction method and the road built using the engineering method
CN112056109A (en) * 2020-07-23 2020-12-11 浙江同济科技职业学院 Automatic irrigation device for rainwater greening and construction method thereof

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CN106193259A (en) * 2016-07-18 2016-12-07 浙江水利水电学院 A kind of Rainwater collection system for sponge city and construction method
CN106638918A (en) * 2016-12-02 2017-05-10 浙江鑫直建筑有限公司 Construction method for sponge city rainwater collection system

Patent Citations (2)

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CN106193259A (en) * 2016-07-18 2016-12-07 浙江水利水电学院 A kind of Rainwater collection system for sponge city and construction method
CN106638918A (en) * 2016-12-02 2017-05-10 浙江鑫直建筑有限公司 Construction method for sponge city rainwater collection system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108755319A (en) * 2018-06-06 2018-11-06 上海景铭建设发展有限公司 A kind of road construction method and the road built using the engineering method
CN112056109A (en) * 2020-07-23 2020-12-11 浙江同济科技职业学院 Automatic irrigation device for rainwater greening and construction method thereof

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Application publication date: 20180504