CN112112221B - Drainage system and construction method thereof - Google Patents
Drainage system and construction method thereof Download PDFInfo
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- CN112112221B CN112112221B CN202011028196.7A CN202011028196A CN112112221B CN 112112221 B CN112112221 B CN 112112221B CN 202011028196 A CN202011028196 A CN 202011028196A CN 112112221 B CN112112221 B CN 112112221B
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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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- 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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- Hydrology & Water Resources (AREA)
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Abstract
The application relates to a drainage system and a construction method thereof, belonging to the technical field of drainage systems. It includes the road and sets up in the greenbelt of road both sides, be provided with the cistern under the greenbelt, it has the greenbelt to plant on the greenbelt, the greenbelt is located the cistern top, the cistern is provided with the water consumption mouth that supplies the root of greenbelt to get into, be provided with in the water consumption mouth and destroy the net, can destroy and set up a plurality of fall strong holes on the net and be provided with the destruction sponge layer in a plurality of fall strong holes of shutoff, still be provided with the water sampling pipe in the greenbelt, water sampling pipe one end is located the cistern, the water sampling pipe other end extends the setting towards the greenbelt surface course direction, the road includes infiltration layer and soil base layer. This application has the effect of the utilization rainwater that can be better.
Description
Technical Field
The application relates to the technical field of drainage systems, in particular to a drainage system and a construction method thereof.
Background
Along with the year-by-year increase of urban impervious ground in urban construction, the runoff of rainwater also increases year-by-year. The pressure of the urban drainage system is increased, the urban ecology is destroyed, and meanwhile, precious rainwater resources are wasted.
Meanwhile, when road surface maintenance and roadside green belt irrigation are carried out, watering is carried out by mainly adopting a watering cart, long-distance water transfer or underground water super-exploitation are mainly considered when the problem of urban water shortage is solved, rainwater resources are ignored, and the important functions of the rainwater resources in the aspects of improving urban ecological environment, lightening urban drainage treatment system load, reducing water pollution and relieving water resource shortage are not realized. In recent years, water resources are increasingly scarce, rainwater utilization is paid attention, and at present, although a few advanced demonstration projects exist, the rainwater utilization in the whole society is still not paid attention to.
In view of the above-mentioned related art, the inventor believes that there is a need for a drainage system that better utilizes rainwater.
Disclosure of Invention
In order to better utilize rainwater, the application provides a drainage system and a construction method thereof.
In a first aspect, the present application provides a drainage system, which adopts the following technical scheme:
the utility model provides a drainage system, includes the road and sets up in the greenbelt of road both sides, be provided with the cistern under the greenbelt, the planting has the greenbelt on the greenbelt, the greenbelt is located the cistern top, the cistern is provided with the confession the water mouth that the root must of greenbelt got into, be provided with in the water mouth and destroy the net, can destroy and seted up a plurality of strength reducing holes on the net and be provided with the shutoff a plurality of the strength reducing hole can destroy the sponge layer, still be provided with the water sampling pipe in the greenbelt, water sampling pipe one end is located in the cistern, the water sampling pipe other end extends the setting towards greenbelt surface course direction, the road includes water seepage layer and soil base course.
By adopting the technical scheme, rainwater infiltrated is stored in the reservoir through the reservoir arranged under the green belt, the rainwater stored in the reservoir is convenient to recycle through arranging the water collecting pipe in the green belt, the sprinkler can pump the rainwater in the reservoir out for watering and spraying, meanwhile, the reservoir is provided with the water using port, the water using port is plugged by arranging the destructible net and the destructible sponge layer, so that soil is not easy to enter the reservoir, the destructible net supports the destructible sponge layer, water vapor in the reservoir enters the green belt through the water using port, as the humidity at the reservoir is higher, the root of the green tree on the green belt grows towards the reservoir under the driving towards the water, the root of the green tree finally destroys the destructible sponge layer and the destructible net enters the reservoir, and the rainwater in the reservoir is extracted through the root in the reservoir, better utilization rainwater reduces the watering demand of greenbelt to reduce the demand of water resource in the city watering.
Optionally, the green belt includes vegetation layer, metalling and soil matrix layer, the cistern bury underground in the soil matrix layer, the cistern includes the water storage portion that is located the lower part and the inside and outside circulation portion that is located the upper portion, a plurality of overflow mouths have been seted up to the lateral wall of inside and outside circulation portion, install the overflow sheet rubber in the overflow mouth, the cross overflow launder has been seted up on the overflow sheet rubber.
By adopting the technical scheme, the rubble layer is arranged, so that the bearing of the greening tree is better after the greening tree is planted on the vegetable layer, rainwater in the rubble layer can better seep downwards, the water storage tank is provided with the water storage part and the inner and outer circulation parts, the water storage part is used for storing rainwater, the inner and outer circulation parts are arranged and used for adjusting the rainwater inside and outside the water storage tank, when the rainwater drainage speed cannot keep up with the rainwater seepage speed, the water level outside the water storage tank rises, the overflow port is arranged, the overflow rubber sheet provided with the cross overflow groove is arranged on the overflow port, the external water pressure of the water storage tank is greater than the internal water pressure, so that the cross overflow groove on the overflow rubber sheet is pushed to be opened, the external rainwater flows into the water storage tank, the drainage pressure is relieved, a part of the rainwater is stored, when the water level outside the water storage tank is reduced, the cross overflow groove on the overflow rubber sheet is opened under the water pressure in the water storage tank, rainwater in the water storage tank is discharged and seeped downwards to supplement underground water, and only the rainwater in the water storage part is left for storage.
Optionally, a protective net is further installed in the overflow port, the protective net is arranged on one side, deviating from the reservoir, of the overflow rubber sheet, and a first soil prevention sponge is filled between the protective net and the overflow rubber sheet.
Through adopting above-mentioned technical scheme, through installation protection network and the first sponge of preventing soil for the rainwater can come in and go out the overflow mouth, blocks earth and gets into the overflow mouth, and when making the cross overflow launder open, earth is difficult to get into the cistern intussuseption of cistern, keeps the retaining capacity of cistern.
Optionally, a water guide pipe is further embedded in the road and the green belt, one end of the water guide pipe is located in the road, the other end of the water guide pipe is communicated with the reservoir, a plurality of water holes are formed in the upper side of the water guide pipe, and a first drainage blind pipe is filled in the water guide pipe.
Through adopting above-mentioned technical scheme, through burying the aqueduct underground, send into the cistern to the partial rainwater of road department infiltration through the aqueduct and store for the rainwater in the cistern is taking out the back of utilizing through adopting the water pipe, and the cistern can obtain timely rainwater at the rainy day and supply, thereby better utilization rainwater, reduces the waste of rainwater resource.
Optionally, the two sides of the road close to the green belt are provided with water drainage grooves, one side of the road close to the green belt is provided with an inflow groove communicated with the water drainage grooves, the inflow groove is located above the bottom of the water drainage groove, the water drainage grooves are communicated with the green belt through the inflow groove, the inflow groove is filled with a second soil-proof sponge, and the second soil-proof sponge faces towards one side of the green belt and is provided with a blocking net.
Through adopting above-mentioned technical scheme, set up the water drainage tank, when the rainfall is too big, the water content in the soil rises, the condition of waterlogging probably produces, the rainwater can infiltrate the water drainage tank and carry out leading away fast of rainwater this moment, reduce the possibility of waterlogging, the water drainage tank discharges excessive rainwater into urban drainage system and other areas that the rainfall is less, carry out dredging of rainwater, the second that sets up prevents that soil sponge and block the net and be used for protecting the inflow groove, make soil be difficult to get into the water drainage tank influence the water drainage tank the receipt and dredge the ability of excessive rainwater.
Optionally, be provided with soft rubber lid on the influx groove, soft rubber covers and has seted up a plurality of cross flutings, the second prevent native sponge centre gripping in soft rubber lid with block between the net.
Through adopting above-mentioned technical scheme, set up soft rubber lid for the rainfall is less, and the water content is difficult to the saturation in the soil, and the cross fluting that a plurality of rubbers were covered keeps the closure state under this kind of circumstances, and the rainwater is difficult to get into water drainage tank, and the rainfall is less, mainly carries out regional circulation, and the rainwater infiltrates under the groundwater of replenishment, flows into the cistern storage and improves the water content of soil and is mainly going to.
Optionally, a drainage channel is buried in the green belt, one end of the water sampling pipe, which is far away from the reservoir, is communicated with the lower side wall of the drainage channel, and a sealing cover for sealing the water sampling pipe is arranged on the water sampling pipe.
Through adopting above-mentioned technical scheme, it fixes with the intake pipe to set up the drainage canal, the drainage canal receives the support of soil, thereby through the better protection intake pipe of drainage canal, make the intake pipe be difficult to bend under the extrusion, the tip of intake pipe is located the drainage canal, intake pipe itself does not bulge the greenbelt, make the intake pipe be difficult to damage, through setting up the closing cap, make earth be difficult to get into the cistern through the intake pipe, when needs are adopted, find the intake pipe along the drainage canal and dig soil and open the closing cap can.
Optionally, the drainage channel is close to one side middle part of water drainage tank pass through the drain pipe with the water drainage tank intercommunication, the both sides wall of drainage channel width direction is the setting of buckling in opposite directions.
Through adopting above-mentioned technical scheme, when the rainwater was too big, when the rainwater did not reach infiltration, the water yield rose in the drainage canal, and the rainwater can be discharged into the water drainage tank through the drain pipe and is removed, and drainage canal itself also can lead away partly, alleviates drainage pressure, and the setting of buckling in opposite directions of the both sides wall of drainage canal width direction simultaneously, when the rainwater volume was less, the rainwater was difficult to follow the drain pipe drainage water drainage tank through rainwater hole direct infiltration, mainly carried out regional circulation.
In a second aspect, the present application provides a method of constructing a drainage system, the method comprising the steps of:
1) digging out a construction foundation pit;
2) pre-manufacturing a reservoir;
3) a water collecting pipe on the water storage tank extends upwards, and the water guide pipe extends in a hanging way in the direction of the road;
4) filling soil base layers to the designed height at the road and the green belt;
5) installing templates on two sides of a road, constructing a water seepage layer on the road, and installing templates at a drainage groove to form a drainage groove;
6) a soft rubber cover, a second soil-proof sponge and a blocking net are arranged at the position of the inflow groove of the drainage groove;
7) paving a gravel layer of the green belt;
8) laying partial vegetation layers of the green belts, placing the vegetation layers into a drainage channel, and installing and fixing the upper end of the water sampling pipe and the drainage channel;
9) continuously filling the rest part of the vegetation layer and filling the drainage channel, and simultaneously forming a pit at the position, above the water consumption port, of the vegetation layer on the reservoir for planting the greening trees;
10) and planting the greening trees.
Optionally, a protective cylinder is placed at a position, above the water using opening on the water storage tank, of the rubble layer in step 7), then the rubble layer is laid, and part of the vegetable layer is filled into the protective cylinder in step 8).
Through adopting above-mentioned technical scheme, place a protection section of thick bamboo in the metalling of laying, and a protection section of thick bamboo is located water gap top for the root of afforestation tree must pass through the metalling more easily.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the rainwater seeped downwards is stored through the reservoir arranged under the green belt, the rainwater collecting pipe is arranged in the green belt, the rainwater stored in the reservoir is convenient to recycle, meanwhile, a water using port is formed in the reservoir, the destructible net and the destructible sponge layer are arranged to block the water using port, so that soil is not easy to enter the reservoir, the root of a green tree grows towards the reservoir due to the fact that the humidity of the reservoir is higher, the root of the green tree finally enters the reservoir, the rainwater in the reservoir is collected through the root of the green tree in the reservoir, and the rainwater is better utilized;
2. the water storage tank is provided with a water storage part and an internal and external circulation part, the water storage part is used for storing rainwater, the internal and external circulation part is used for adjusting the rainwater inside and outside the water storage tank, when the rainwater drainage and seepage speed cannot keep up with the seepage speed of the rainwater, the water level outside the water storage tank rises, the external water pressure of the water storage tank is greater than the internal water pressure, the cross overflow groove is opened, the external rainwater flows into the water storage tank to relieve the drainage pressure, when the water level outside the water storage tank falls, the cross overflow groove on the overflow rubber sheet is opened under the action of the water pressure in the water storage tank, and the rainwater in the water storage tank is drained and seeped down to supplement the underground water;
3. through burying the aqueduct underground, send into the cistern through the aqueduct to the partial rainwater of road department infiltration and store, make the rainwater in the cistern take out the utilization back through the water pipe, the cistern can obtain timely rainwater at the rainy day and supply, better utilization rainwater, set up water drainage tank, when the rainwater volume is too big, the rainwater can infiltrate water drainage tank and carry out leading away of rainwater fast, reduce the possibility of waterlogging, partial rainwater also can arrange into water drainage tank through the drain pipe and drain away simultaneously, water drainage channel itself also can lead away partly, alleviate drainage pressure.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of the right-hand portion of FIG. 1;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is an enlarged view at C in FIG. 2;
FIG. 6 is a top view of an overflow rubber sheet;
fig. 7 is a schematic view of the structure of the soft rubber cover.
Description of reference numerals: 1. a road; 11. a water seepage layer; 111. a water-permeable asphalt layer; 112. a water-permeable concrete layer; 113. a macadam base; 12. a common concrete layer; 121. a water discharge tank; 122. a flow-in groove; 123. a barrier net; 124. a soft rubber cover; 1241. carrying out cross slotting; 125. a second soil-proofing sponge; 2. a green belt; 21. a vegetable layer; 22. a crushed stone layer; 221. a protective cylinder; 23. a soil base layer; 3. greening trees; 4. a reservoir; 41. a water port is used; 411. a destructible mesh; 4111. a strength reducing hole; 412. the sponge layer can be destroyed; 42. a water storage part; 43. an inner and outer circulation part; 44. an overflow port; 441. overflowing the rubber sheet; 4411. a cross-shaped overflow trough; 442. a protective net; 443. a first soil-proofing sponge; 5. a water conduit; 51. a water pore; 52. a first drainage blind pipe; 6. a water production pipe; 7. sealing the cover; 71. an interlayer; 72. downward seeping holes; 73. a communicating pipe; 74. a water seepage hole; 8. a drainage channel; 81. water drainage perforation; 82. a flow guiding space; 83. a second drainage blind pipe; 9. a drain pipe; 91. a soil-proof net.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses a drainage system.
Referring to fig. 1 and 2, a drainage system comprises a road 1 and green belts 2 arranged on both sides of the road 1, the green belts 2 comprise a vegetation layer 21, a rubble layer 22 and a soil base layer 23 from top to bottom, a green tree 3 is planted on the vegetation layer 21, a protection cylinder 221 is buried in a part of the rubble layer 22 under the green tree 3, the vegetation layer 21 is filled into the protection cylinder 221 and contacts with the soil base layer 23, the road 1 comprises a water seepage layer 11 and the soil base layer 23 from top to bottom, wherein the water seepage layer 11 is different according to the requirements of different road sections, the water seepage layer 11 can be a water seepage concrete layer 112 and a gravel base layer 113 from top to bottom, the water seepage layer 11 can also be a water seepage asphalt layer 111, a water seepage concrete layer 112 and a gravel base layer 113 from top to bottom, the road 1 has better rainwater infiltration performance, and the soil base layer 23 under the road 1 and the soil base layer 23 under the green belt 2 are connected into a whole to form the same soil base layer 23.
Referring to fig. 2 and 3, a water storage tank 4 is arranged below the green belt 2, the water storage tank 4 is pre-processed and buried in a soil base layer 23, and can be formed by pouring concrete or made of stainless steel, high-strength plastic and other materials, and needs to have certain bearing capacity and anti-corrosion capacity, a water using port 41 for the root hairs of the green trees 3 to enter is arranged on the side wall of the water storage tank 4, a destructible net 411 is fixed in the water using port 41, the destructible net 411 is a plastic thin plate provided with a plurality of strength reducing holes 4111, a destructible sponge layer 412 for plugging the strength reducing holes 4111 is filled in the water using port 41, the destructible sponge layer 412 is positioned on one side of the destructible net 411 facing outwards, the green trees 3 are positioned above the water using port 41, and after the green trees 3 grow for a period of time, the root hairs of the green trees 3 enter the water storage tank 4 through the water using port 41.
The water storage tank 4 comprises a water storage part 42 positioned at the lower part and an inner and outer circulation part 43 positioned at the upper part, a plurality of overflow ports 44 are formed in the side wall of the inner and outer circulation part 43, overflow rubber sheets 441 and a protective net 442 are installed in the overflow ports 44, the protective net 442 is arranged on one side, away from the water storage tank 4, of the overflow rubber sheets 441, a first soil-proof sponge 443 is filled between the protective net 442 and the overflow rubber sheets 441, a cross overflow groove 4411 is formed in the overflow rubber sheets 441, the cross overflow groove 4411 is formed by cutting mutually vertical knife edges on the overflow rubber sheets 441 (compare with fig. 6), and the intersecting position of the vertical knife edges is positioned in the center of the overflow rubber sheets 441.
Referring to fig. 2, a water guide pipe 5 is buried in the soil base layer 23, one end of the water guide pipe 5 is located in the road 1, the other end of the water guide pipe 5 is communicated with the reservoir 4, the end of the water guide pipe 5 located on one side of the road 1 is high, the end connected with the reservoir 4 is low, a plurality of water holes 51 are formed in the upper side of the water guide pipe 5, a first drainage blind pipe 52 is filled in the water guide pipe 5, and the downward-seeping part of rainwater is sent into the reservoir 4 through the water guide pipe 5.
Referring to fig. 2 and 4, both sides of the permeable layer 11 close to the green belt 2 are provided with drainage grooves 121, both sides of the permeable concrete layer 112 of the permeable layer 11 close to the green belt 2 are poured with common concrete layers 12, the drainage grooves 121 are arranged in the common concrete layers 12, the drainage grooves 121 extend along the length direction of the road 1, one side of the common concrete layer 12 close to the green belt 2 is provided with inflow grooves 122 communicated with the drainage grooves 121, the inflow grooves 122 are located above the bottoms of the drainage grooves 121, the inflow grooves 122 are multi-stage, the multi-stage inflow grooves 122 are arranged at intervals along the length direction of the drainage grooves 121, the drainage grooves 121 are communicated with the green belt 2 through the inflow grooves 122, one side of the inflow grooves 122 close to the drainage grooves 121 is fixed with a soft rubber cover 124, one side of the drainage grooves 121 close to the green belt 2 is fixed with a blocking net 123, a second soil-proof sponge 125 is filled between the soft rubber cover 124 and the blocking net 123, the soft rubber cover 124 is provided with a plurality of cross slots 1241, the cross slots 1241 are formed by scribing mutually perpendicular knife edges on the soft rubber cover 124 (compare with fig. 7), and the intersecting position of the perpendicular knife edges is located at the center of the soft rubber cover 124.
Referring to fig. 2 and 5, a water sampling pipe 6 and a water drainage channel 8 are further embedded in the green belt 2, the water drainage channel 8 is located on the vegetation layer 21 and located on one side of the green tree 3 away from the road 1, a water drainage perforation 81 is formed in the lower side wall of the water drainage channel 8, one end of the water sampling pipe 6 extends into the reservoir 4, the other end of the water sampling pipe 6 extends towards the vegetation layer 21, one end of the water sampling pipe 6 away from the reservoir 4 is communicated with the lower side wall of the water drainage channel 8, a sealing cover 7 for sealing the water sampling pipe 6 is arranged on the water sampling pipe 6, the sealing cover 7 is a cone, the sharp end of the cone is arranged towards the direction away from the water sampling pipe 6, an interlayer 71 is arranged in the sealing cover 7, the diameter of the lower end face of the sealing cover 7 is larger than that of the water sampling pipe 6 and is detachably fixed on the water sampling pipe 6, a plurality of lower penetration holes 72 are formed in the step face between the sealing cover 7 and the water sampling pipe 6, a plurality of communicating pipes 73 which is arranged on the inner wall of the interlayer 71 close to the water sampling pipe 6, communicating pipe 73 protrudes, the inner wall of interlayer 71 far away from water sampling pipe 6 is provided with a plurality of water seepage holes 74 outside communicating cover 7, the water seepage holes 74 are arranged in a bending way and are staggered with communicating pipes 73, when a large amount of rainwater is received in the drainage channel 8 in a short time, excessive accumulation of rainwater in interlayer 71 can be discharged into water sampling pipe 6 through communicating pipes 73 and is discharged into reservoir 4.
The embodiment of the application also discloses a construction method of the drainage system, which comprises the following steps:
1) digging out a construction foundation pit;
2) a reservoir 4 and a drainage channel 8 are manufactured in advance, and the reservoir 4 and the drainage channel 8 are manufactured in multiple parts;
3) the water storage tanks 4 are embedded and fixed under the green belt 2, a certain distance is reserved between every two adjacent water storage tanks 4, the water collecting pipes 6 on the water storage tanks 4 extend upwards, and the water guide pipes 5 extend in an overhanging mode towards the direction of the road 1;
4) filling soil base layers 23 to the designed height at the road 1 and the green belt 2;
5) installing templates on two sides of the road 1, constructing a water seepage layer 11 on the road 1, and installing templates on the drainage grooves 121 to form drainage grooves 121;
6) a soft rubber cover 124, a second soil prevention sponge 125 and a blocking net 123 are arranged at the inflow groove 122 of the drainage groove 121;
7) a protective cylinder 221 is placed above the water using port 41 of the water storage tank 4, and then a gravel layer 22 is laid;
8) paving part of the vegetation layer 21 of the green belt 2, wherein the part of the vegetation layer 21 is filled into the protective cylinder 221 and placed into the drainage channel 8, and the upper end of the water production pipe 6 and the drainage channel 8 are fixedly installed and an upper cover 7 is installed;
9) continuously filling the rest part of the vegetation layer 21 and filling the drainage channel 8, and simultaneously forming a pit at the position of the vegetation layer 21 above the water using port 41 on the reservoir 4 for planting the greening tree 3;
10) and planting the greening trees 3.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A drainage system characterized by: comprises a road (1) and green belts (2) arranged at both sides of the road (1), a reservoir (4) is arranged under the green belt (2), green trees (3) are planted on the green belt (2), the greening trees (3) are positioned above the water storage tank (4), the water storage tank (4) is provided with a water using port (41) for the roots of the greening trees (3) to enter, a destructible net (411) is arranged in the water using opening (41), a plurality of strength reducing holes (4111) are arranged on the destructible net (411), a destructible sponge layer (412) for plugging the strength reducing holes (4111) is arranged on the destructible net, a water sampling pipe (6) is also arranged in the green belt (2), one end of the water sampling pipe (6) is positioned in the reservoir (4), the other end of the water sampling pipe (6) extends towards the surface layer of the green belt (2), the road (1) comprises a water seepage layer (11) and a soil base layer (23); the green belt (2) comprises a vegetation layer (21), a gravel layer (22) and a soil base layer (23), the water storage tank (4) is buried in the soil base layer (23), the water storage tank (4) comprises a water storage part (42) located at the lower part and an inner and outer circulation part (43) located at the upper part, a plurality of overflow ports (44) are formed in the side wall of the inner and outer circulation part (43), overflow rubber sheets (441) are installed in the overflow ports (44), and cross overflow grooves (4411) are formed in the overflow rubber sheets (441).
2. A drainage system according to claim 1, wherein: a protective net (442) is further installed in the overflow port (44), the protective net (442) is arranged on one side, away from the water storage tank (4), of the overflow rubber sheet (441), and a first soil-proof sponge (443) is filled between the protective net (442) and the overflow rubber sheet (441).
3. A drainage system according to claim 1, wherein: still buried aqueduct (5) under road (1) with greenbelt (2), aqueduct (5) one end is located in road (1), aqueduct (5) other end intercommunication cistern (4), aqueduct (5) upside is provided with a plurality of water holes (51), aqueduct (5) intussuseption is filled with first drainage blind pipe (52).
4. A drainage system according to claim 3, wherein: road (1) is close to the both sides of greenbelt (2) all are provided with water drainage tank (121), inflow groove (122) of intercommunication water drainage tank (121) are seted up to one side that road (1) is close to greenbelt (2), just inflow groove (122) are located the top of water drainage tank (121) tank bottom, water drainage tank (121) pass through inflow groove (122) with greenbelt (2) intercommunication, inflow groove (122) intussuseption is filled with the second and prevents soil sponge (125), the second is prevented soil sponge (125) and is moved towards one side of greenbelt (2) is provided with and is blocked net (123).
5. A drainage system according to claim 4, wherein: the flowing groove (122) is provided with a soft rubber cover (124), the soft rubber cover (124) is provided with a plurality of cross-shaped grooves (1241), and the second soil-proof sponge (125) is clamped between the soft rubber cover (124) and the blocking net (123).
6. A drainage system according to claim 5, wherein: the green belt is characterized in that a drainage channel (8) is buried in the green belt (2), one end of the water storage tank (4) is communicated with the lower side wall of the drainage channel (8) through a water sampling pipe (6), and a sealing cover (7) for sealing the water sampling pipe (6) is arranged on the water sampling pipe (6).
7. A drainage system according to claim 6, wherein: drainage canal (8) are close to one side middle part of water drainage tank (121) pass through drain pipe (9) with water drainage tank (121) intercommunication, the setting of buckling in opposite directions of drainage canal (8) width direction's both sides wall.
8. A method of constructing a drainage system as claimed in any one of claims 1 to 7, the method including the steps of:
1) digging out a construction foundation pit;
2) a reservoir (4) is manufactured in advance;
3) a water storage tank (4) is buried and fixed under the green belt (2), a water collecting pipe (6) on the water storage tank (4) extends upwards, and a water guide pipe (5) is suspended and extends towards the direction of the road (1);
4) filling a soil base layer (23) to a designed height at the road (1) and the green belt (2);
5) installing templates on two sides of the road (1), constructing a water seepage layer (11) on the road (1), and installing templates on the drainage grooves (121) to form drainage grooves (121);
6) a soft rubber cover (124), a second soil-proof sponge (125) and a blocking net (123) are arranged at the position of an inflow groove (122) of the drainage groove (121);
7) a gravel layer (22) for laying the green belt (2);
8) laying a part of vegetation layer (21) of the green belt (2), placing the vegetation layer into a drainage channel (8), and installing and fixing the upper end of the water sampling pipe (6) and the drainage channel (8);
9) continuously filling the rest part of the vegetation layer (21) and filling the drainage channel (8), and simultaneously forming a pit at the position, above a water using port (41) on the reservoir (4), of the vegetation layer (21) for planting the greening tree (3);
10) and planting the greening trees (3).
9. A construction method of a drainage system according to claim 8, wherein: in the step 7), a protective cylinder (221) is placed at a position, above the water using port (41) on the water storage pool (4), of the gravel layer (22), then the gravel layer (22) is laid, and in the step 8), part of the vegetation layer (21) is filled into the protective cylinder (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011028196.7A CN112112221B (en) | 2020-09-26 | 2020-09-26 | Drainage system and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011028196.7A CN112112221B (en) | 2020-09-26 | 2020-09-26 | Drainage system and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112112221A CN112112221A (en) | 2020-12-22 |
| CN112112221B true CN112112221B (en) | 2021-11-09 |
Family
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