CN112962388A - Sponge city semi-permeable water channel structure utilizing original road structure - Google Patents
Sponge city semi-permeable water channel structure utilizing original road structure Download PDFInfo
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- CN112962388A CN112962388A CN202110175053.7A CN202110175053A CN112962388A CN 112962388 A CN112962388 A CN 112962388A CN 202110175053 A CN202110175053 A CN 202110175053A CN 112962388 A CN112962388 A CN 112962388A
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- drainage
- water
- permeable
- roadbed
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
- E01C11/226—Coherent pavings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
- B01D29/01—Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with flat filtering elements
- B01D29/03—Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with flat filtering elements self-supporting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
- B01D29/50—Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
Abstract
The application relates to the technical field of road construction, in particular to a sponge city semi-permeable water channel road structure utilizing an original road structure, which comprises an original roadbed, wherein water drainage and storage blind ditches are arranged on two sides of the original roadbed and are connected with a discharge pipe used for communicating a city underground drainage pipeline, vertical kerbs are arranged on two sides of the original roadbed, first water discharge ports communicated with the water drainage and storage blind ditches are formed in the vertical kerbs, a permeable roadbed is paved on the original roadbed, and a waterproof mortar protective layer I is arranged between the permeable roadbed and the original roadbed; a second water outlet is arranged between the permeable roadbed and the vertical kerbs, a first filtering and draining part is arranged on the first water outlet, a second filtering and draining part is arranged on the second water outlet, and the first water outlet and the second water outlet are both communicated with a water storage blind ditch; a water collecting and guiding component is arranged in the permeable roadbed and is communicated with the blind ditch for draining and storing water. The method has the effects of reducing the damage to the original roads in the city, reducing the waterlogging problem of the urban roads and constructing the sponge city.
Description
Technical Field
The utility model belongs to the technical field of road construction's technique and specifically relates to an utilize sponge city semi-permeable water channel structure of original road structure.
Background
The pavement is an important carrier of urban space and is also an important part for solving the problem of urban waterlogging. The semi-permeable structural road is also called a basement impervious structural road. The water-retaining agent is a road structure system which means that surface water cannot penetrate into a roadbed, and accumulated water is discharged into two sides of a road or a municipal pipe network. A road with a semi-permeable structure is generally formed by combining a waterproof structure layer of a base layer and a permeable structure layer of a surface layer. Practice proves that the semi-permeable structure road can effectively balance the contradiction between water permeability and load requirements, has good safety, and can be widely applied to town roads, sidewalks and community roads.
However, in order to construct the semi-permeable road of the city to construct the sponge city, the original road is often required to be destroyed to re-lay the road, and the reconstruction of the large-area road not only destroys the urban traffic and public facilities, but also has longer construction period and higher reconstruction cost.
Disclosure of the invention
In order to reduce the original road destruction in city, reduce urban road waterlogging fast and construct the sponge city, this application provides an utilize the semi-permeable water route structure in sponge city of original road structure.
The application provides an utilize sponge city semi-permeable water channel structure of original road structure adopts following technical scheme:
a sponge city semi-permeable water channel structure utilizing an original road structure comprises an original road bed, wherein water drainage and storage blind ditches are arranged on two sides of the original road bed and are connected with discharge pipes used for communicating a city underground drainage pipeline, vertical kerbs are arranged on two sides of the original road bed, first drainage ports communicated with the water drainage and storage blind ditches are formed in the vertical kerbs, a permeable road bed is paved on the original road bed, and a waterproof mortar protective layer I is arranged between the permeable road bed and the original road bed;
a second water outlet is arranged between the permeable roadbed and the vertical kerbs, a first filtering and draining part is arranged on the first water outlet, a second filtering and draining part is arranged on the second water outlet, and the second water outlet is communicated with the water drainage and storage blind ditch;
and a water collecting and guiding component is arranged in the permeable roadbed and communicated with the drainage and storage blind ditch.
By adopting the technical scheme, a constructor takes an original roadbed as a substrate, sequentially lays a first waterproof mortar protective layer on the original roadbed, during the maintenance of the first waterproof mortar protective layer, excavates water storage drainage blind ditches on the ground at two sides of the original roadbed and connects the water storage drainage blind ditches to a municipal underground drainage pipeline through a drainage pipe, then lays a permeable roadbed on the first waterproof mortar protective layer, simultaneously puts a water collection and guide component into the permeable roadbed and guides and communicates the water storage drainage blind ditches, presets a vertical kerbstone for separating between two sides of the original roadbed and the corresponding water storage drainage blind ditches, arranges a first drainage port on the vertical kerbstone and a second drainage port on the permeable roadbed, the first drainage port and the second drainage port are matched with the water collection and guide component to facilitate the rapid guide of the drainage of road waterlogging to the water storage drainage blind ditches, filters the waterlogging impurities such as rainwater and the like through the first drainage component and the second drainage component, and reduces the blockage caused by the accumulation of the, the permeable discharge structure is constructed on the basis of the original roadbed, so that the damage to the original road of the city is reduced, the problem of waterlogging of the urban road is reduced, and a sponge city is constructed.
Optionally, the permeable roadbed sequentially comprises a cementing material layer and a permeable concrete layer from the original roadbed to the top, and a permeable brick layer is laid on the permeable concrete layer;
the utility model discloses a drainage water blind ditch, including the drainage water blind ditch, the drainage water blind ditch is arranged in the drainage water blind ditch, the water conservancy diversion part that catchments sets up to the perforation collector pipe, just the perforation collector pipe is worn to establish in the concrete layer permeates water, the perforation collector pipe intercommunication drainage water blind ditch, the outer pipe wall cover of perforation collector pipe is equipped with the geotechnological cloth that permeates water.
Through adopting above-mentioned technical scheme, the cementitious material layer has good plasticity and structural strength, make things convenient for quick flattening former road bed surface and repair former road bed base face, the concrete layer that permeates water can be laid fast, link at the cementitious material layer top surface, the concrete that permeates water is favorable to quick fixed perforation collector pipe simultaneously, the geotechnological cloth that permeates water conveniently reduces impurity infiltration, the perforation of intaking of jam perforation collector pipe, guarantee simultaneously that the concrete that permeates water seeps down to lead into in the perforation collector pipe and discharge into the drainage catch basin, the brick layer that permeates water has good water permeability, antiskid nature, environmental suitability is better and easily change, be favorable to improving road driving safety and keep road drainage effect, the pipeline is buried and road aesthetic design under the road surface of being convenient for simultaneously.
Optionally, the first filtering and draining part is a draining side grate, the second filtering and draining part is a draining horizontal grate, a plurality of draining through grooves are formed in the draining horizontal grate and the draining side grate, and the extending direction of the draining through grooves is parallel to the extending direction of the side edge of the original road.
Through adopting above-mentioned technical scheme, drainage side grate and drainage level grate cooperate, when the road waterlogging, compare traditional floor drain and improve ponding discharge efficiency, discharge and wear the groove and set up along being on a parallel with former road bed extending direction, are favorable to guiding the biplane barrier such as leaf to pass, reduce the biplane impurity such as leaf and pile up and block up drainage level grate, improve the quick discharge stability of road ponding.
Optionally, the second water outlet is formed in the permeable concrete layer, and a stepped groove for clamping the horizontal grate is formed in the permeable brick layer on the second water outlet;
the bottom of the drainage side grate is attached to the side edge of the top surface of the permeable brick layer, and a drainage through groove is formed in the joint end of the drainage side grate and the permeable brick layer.
Through adopting above-mentioned technical scheme, the ladder groove is favorable to quick joint row horizontal grate, improves row horizontal grate's arrangement stability, and the drainage that joins the brick layer of permeating water on the lateral wall of draining simultaneously crosses the groove and further improves the lateral wall of draining and discharges the effect of leaf isoplanar impurity, reduces row horizontal grate closing cap jam's possibility.
Optionally, a torsion bar is rotatably arranged on the horizontal grate, the torsion bar penetrates through the horizontal grate, one end, located on the bottom surface of the horizontal grate, of the torsion bar faces the top surface of the stepped groove, a locking bar is axially fixed to one end, facing the stepped groove, of the torsion bar in a direction perpendicular to the axial direction of the torsion bar, a positioning groove is formed in the stepped groove, the torsion bar and the locking bar are inserted into the positioning groove, and a locking groove is formed in the bottom end of the positioning groove, and the locking bar can be rotated to and hooked with the locking groove.
Through adopting above-mentioned technical scheme, when constructor will arrange horizontal grate and put into the ladder groove, insert torsion bar and locking pole and correspond the constant head tank in, after arranging horizontal grate and go into the ladder groove completely the card, the locking pole is put into the locking inslot, rotate behind the torsion bar, the locking pole and then leading-in locking inslot and the hookup locking groove, arrange horizontal grate this moment and stablize the locking on the ladder groove by locking pole and torsion bar, be favorable to further strengthening row's horizontal grate and settle the stability on the second outlet, make things convenient for constructor nimble dismouting row horizontal grate.
Optionally, the inner wall of drainage and storage french drain is provided with waterproof mortar protective layer two, the clearance mouth has been seted up to drainage and storage french drain top, drainage and storage french drain top is located be provided with the greenbelt on the clearance mouth, the greenbelt is established including the lid the apron of clearance mouth top, the top surface circumference of apron is provided with encloses the fender, just the apron top surface is located enclose to be provided with in keeping off and plant the soil layer, a plurality of infiltration holes have been seted up to the apron, it is provided with on keeping off to enclose to carry carries the steel ear.
Through adopting above-mentioned technical scheme, waterproof mortar protective layer two is favorable to reducing the damage that the ponding invaded former road base face and caused former road base face in the drainage blind ditch, the clearance mouth is convenient for follow-up personnel to carry out the clearance of drainage blind ditch and draws, establish on the clearance mouth and will plant the soil layer and lay and carry out planting technique in enclosing the fender through the apron lid, be favorable to in time sealing the clearance mouth, reduce the inside dirty impurity of drainage blind ditch and spill, enclose to keep off and reduce and plant the soil layer and spill, improve the greenbelt and set up stability, infiltration hole is favorable to in time oozing down the deposited ponding on the apron simultaneously, it makes things convenient for the constructor to lift up, put down the apron to pull the steel ear.
Optionally, the drainage blind ditch is located the butt joint annular has been seted up to circumference on the clearance mouth, the apron orientation be fixed with on the face of clearance mouth be used for pegging graft the butt joint of butt joint annular is inserted the ring.
By adopting the technical scheme, the butt joint groove facilitates quick correction, insertion and sealing of the cover plate for cleaning the opening, the butt joint insertion ring is matched with the butt joint insertion groove to improve the sealing effect of the cover plate for sealing the cover plate, and the water seepage problem of the joint end of the cover plate and the cleaning opening is reduced.
Optionally, the lateral wall circumferential connection who encloses the fender has a plurality of overflow pipes, the one end of overflow pipe penetrates enclose in the fender, the other end intercommunication of overflow pipe drainage water blind ditch, the overflow pipe penetrates enclose the one end in the fender and be provided with the filter screen stopper.
Through adopting above-mentioned technical scheme, when enclosing fender inner product and accumulating ponding when more, the filter screen stopper end of overflow pipe is reachd to the water level, and ponding is led back to in the drainage retaining blind ditch by a plurality of overflow pipes, reduces to enclose fender inner product water and excessively spills over to ground, and the filter screen stopper reduces to enclose fender inner product water clamp and treats impurity leading-in overflow pipe and cause the overflow pipe to block up.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first drainage port and the second drainage port are matched with the water collecting and guiding component, so that the road waterlogging can be quickly guided to be drained into the drainage and storage blind ditch, waterlogging impurities such as rainwater and the like can be filtered by the first filtering drainage part and the second filtering drainage part, the blockage caused by excessive impurities accumulated in the drainage process for a long time in the drainage and storage blind ditch can be reduced, a water permeable drainage structure is constructed on the basis of an original roadbed, the damage and the overhaul of the original road in a city can be reduced, the urban road waterlogging can be conveniently and quickly reduced, and a sponge city can be;
2. the row horizontal grate is stably locked on the stepped groove by the locking rod and the torsion rod, so that the stability of the row horizontal grate arranged on the second water outlet is further enhanced, and the row horizontal grate is convenient for constructors to flexibly disassemble and assemble;
3. waterproof mortar protective layer two is favorable to reducing the damage that ponding invades former road base face and causes former road base face in the impounded blind ditch of row, the clearance mouth is convenient for follow-up personnel to the going on of impounded blind ditch of row drawing, establish on the clearance mouth and will plant the soil layer and lay and carry out planting technique in enclosing the fender through the apron lid, be favorable to in time sealing the clearance mouth, reduce the inside dirty impurity of impounded blind ditch of row and spill out, it reduces to plant the soil layer and spills out to enclose the fender, improve the greenbelt and set up stability, infiltration hole is favorable to in time oozing down the deposited ponding on the apron simultaneously, it makes things convenient for the constructor to lift up to carry draws the steel ear.
Drawings
Fig. 1 is a schematic sectional structure diagram for showing the whole of an original roadbed, a drainage and impoundment blind ditch, a vertical kerb, a permeable roadbed and a perforated water collecting pipe in the embodiment of the application.
FIG. 2 is a broken sectional view showing the drainage side grate, the drainage horizontal grate and the green belt in the embodiment of the present application.
Fig. 3 is a sectional view for embodying a drain through groove, a stepped groove, a torsion bar, and a lock bar in the embodiment of the present application.
Fig. 4 is an enlarged view at a in fig. 1.
Fig. 5 is an enlarged view at B in fig. 2.
Fig. 6 is an enlarged view at C in fig. 3.
Reference number legend, 1, primo; 11. a plain soil layer; 12. a natural graded gravel layer; 13. a second lime soil layer; 14. a fracture-resistant cement concrete layer; 15. a first waterproof mortar protective layer; 2. draining the water storage blind ditch; 21. a discharge pipe; 22. a second waterproof mortar protective layer; 23. cleaning the opening; 24. butting ring grooves; 3. erecting a kerb stone; 31. a first drain port; 32. a drainage side grate; 321. draining water through the groove; 4. a permeable roadbed; 41. a cementitious material layer; 42. a pervious concrete layer; 421. a stepped groove; 422. positioning a groove; 423. a locking groove; 43. a permeable brick layer; 44. a second water discharge port; 45. arranging horizontal grates; 46. a torsion bar; 461. a lock lever; 462. a knob; 5. perforating a water collecting pipe; 51. water-permeable geotextile; 52. a water collection hole; 6. a green belt; 61. a cover plate; 611. a water seepage hole; 612. butting and inserting rings; 62. fencing; 621. lifting the steel lug; 63. planting a soil layer; 64. an overflow pipe; 65. and a filter screen plug.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses utilize sponge city semi-permeable water channel structure of original road structure. Referring to fig. 1 and 2, the sponge urban semi-permeable water channel structure utilizing the original road structure comprises an original roadbed 1, wherein the original roadbed 1 sequentially comprises a plain soil layer 11, a natural grade sand gravel layer 12, a second lime soil layer 13 and an anti-bending cement concrete layer 14 from bottom to top, and a first waterproof mortar protective layer 15 is pre-paved on the top surface of the original roadbed 1.
Referring to fig. 1 and 2, water drainage and storage blind ditches 2 are respectively arranged on two sides of an original roadbed 1 in the extending direction, one side, away from the original roadbed 1, of each water drainage and storage blind ditch 2 is connected with a discharge pipe 21, the discharge pipe 21 is communicated with a municipal underground drainage pipeline, two sides of the original roadbed 1 in the extending direction and above the corresponding water drainage and storage blind ditches 2 are respectively provided with a vertical kerbstone 3, a first drainage port 31 communicated with the water drainage and storage blind ditches 2 is formed in each vertical kerbstone 3, a permeable roadbed 4 is paved on the top surface of a waterproof mortar protective layer one 15, a second drainage port 44 communicated with the water drainage and storage blind ditches 2 is formed between the permeable roadbed 4 and the vertical kerbstones 3, a first filtration drainage port 31 is provided with a first filtration drainage part, a second drainage port 44 is provided with a second filtration drainage part, and a water collection and flow guide; the construction personnel regard original roadbed 1 as the basement, lay waterproof mortar protective layer one 15 on the original roadbed 1 in proper order, in waterproof mortar protective layer one 15 during the maintenance, excavate drainage impoundment blind ditch 2 and connect to the underground drainage pipeline of city through the delivery pipe 21 in the ground of original roadbed 1 both sides, then lay the permeable roadbed 4 on waterproof mortar protective layer one 15, put the water collecting and guiding part into permeable roadbed 4 inside and guide, communicate drainage impoundment blind ditch 2 at the same time, there is the vertical kerbstone 3 used for cutting off between the extending direction both sides of original roadbed 1 and the corresponding drainage impoundment blind ditch 2 top surface in advance, set up the first drain 31 on the opposite side of two vertical kerbstones 3, set up the second drain 44 on the top surface of permeable roadbed 4, position of laminating vertical kerbstone 3, the first drain 31, the second drain 44 cooperates with the water collecting and guiding part to help to guide the drainage of the road waterlogging to discharge to the drainage blind ditch 2 fast, through filtering drainage piece one, filtering drainage piece two and filtering waterlogging impurity such as rainwater, reduce 2 interior long time drainage processes of retaining blind ditches of draining and pile up excessive impurity and cause the jam, establish the drainage structures of permeating water on original roadbed 1 basis, reduce the destruction repairment of the original road in city, conveniently reduce urban road waterlogging problem fast and establish the sponge city.
Referring to fig. 1 and 3, the permeable roadbed 4 comprises a waterproof mortar protective layer one 15, and sequentially comprises a cementing material layer 41 and a permeable concrete layer 42 from top, the cementing material layer 41 can be made of silicate cement clinker mixed with blast furnace slag powder, fly ash, desulfurized gypsum and the like, and a permeable brick layer 43 is laid on the top surface of the permeable concrete layer 42.
Referring to fig. 1 and 4, the water collecting and guiding member is provided as a perforated water collecting pipe 5, the perforated water collecting pipe 5 is arranged in the permeable concrete layer 42 in a penetrating manner and extends along the width direction of the permeable concrete layer 42, two ends of the perforated water collecting pipe 5 are respectively communicated with the drainage and storage blind ditch 2 on one side, a plurality of water collecting holes 52 are formed in the pipe wall of the perforated water collecting pipe 5, and the outer pipe wall of the perforated water collecting pipe 5 is sleeved with a layer of permeable geotextile 51.
The cementing material layer 41 has good plasticity and structural strength, the surface of the original roadbed 1 is conveniently and quickly leveled and the base surface of the original roadbed 1 is repaired, the permeable concrete layer 42 can be quickly laid and connected on the top surface of the cementing material layer 41, meanwhile, the permeable concrete is favorable for quickly fixing the perforated water collecting pipe 5, the permeable geotextile 51 is convenient for reducing impurity permeation and blocking the water inlet perforation of the perforated water collecting pipe 5, the seeped water is guided into the perforated water collecting pipe 5 and enters the drainage blind ditch 2, the permeable brick layer 43 has good water permeability and skid resistance, has good environmental suitability and is easy to replace, the driving safety of a road is favorably improved, the drainage effect of the road is kept, and meanwhile, the pipeline under the road is convenient to bury and the road is attractive in design.
Referring to fig. 1 and 2, the first filtering drainage piece is set as a drainage side grate 32, the second filtering drainage piece is set as a horizontal drainage grate 45, a plurality of drainage through grooves 321 are formed in the horizontal drainage grate 45 and the drainage side grate 32, the extending direction of the drainage through grooves 321 is parallel to the extending direction of the side edge of the foundation 1, the second drainage port 44 is formed in the permeable concrete layer 42, the second drainage port 44 upwards penetrates through the permeable brick layer 43, the permeable brick layer 43 is positioned on the second drainage port 44 and is provided with a stepped groove 421 for clamping the horizontal drainage grate 45, and the side surface of the drainage blind ditch 2 facing the permeable concrete layer 42 is communicated with the second drainage port 44.
Referring to fig. 1 and 3, the permeable concrete layer 42 is provided with an inclined plane for guiding running water to the blind ditch 2 for water drainage and storage towards the side of the blind ditch 2 for water drainage and storage, a second waterproof mortar protective layer 22 is provided on the inner wall of the blind ditch 2 for water drainage and storage close to the original roadbed 1, the bottom of the drainage side grate 32 is attached to the side edge of the top surface of the permeable brick layer 43, and one of the drainage through grooves 321 on the drainage side grate 32 is arranged at the position flush with the top surface of the permeable brick layer 43.
Referring to fig. 5 and 6, the top surface of the horizontal drainage grate 45 is provided with a torsion bar 46 at two opposite oblique positions thereof, the torsion bar 46 longitudinally penetrates through the horizontal drainage grate 45, the top end of the torsion bar 46 is fixed with a knob 462, one end of the torsion bar 46 facing the stepped groove 421 is fixed with a locking bar 461 in a direction perpendicular to the axial direction thereof, the top surface of the stepped groove 421 is provided with a positioning groove 422 for inserting the torsion bar 46 and the locking bar 461, and the bottom of the positioning groove 422 is provided with a locking groove 423 for rotating and hooking the locking bar 461 in the water permeable brick layer 43; when the constructor puts into stepped groove 421 with horizontal grate 45, insert torsion bar 46 and locking pole 461 in corresponding constant head tank 422, after horizontal grate 45 blocks completely into stepped groove 421, locking pole 461 puts into locking groove 423, after turning torsion bar 46 through knob 462, the leading-in locking groove 423 of locking pole 461 and the hook-up locking groove 423, horizontal grate 45 is stably locked on stepped groove 421 by locking pole 461 and torsion bar 46 this moment, be favorable to further strengthening the stability that horizontal grate 45 settled on second outlet 44, make things convenient for constructor nimble dismouting horizontal grate 45.
Referring to fig. 1 and 4, a cleaning opening 23 is formed in the top surface of the blind ditch 2 for water drainage and storage, a green belt 6 is arranged above the blind ditch 2 for water drainage and storage on the cleaning opening 23, the green belt 6 comprises a cover plate 61 covering the cleaning opening 23, an enclosure 62 is circumferentially arranged on the top surface of the cover plate 61, a soil planting layer 63 is arranged in the enclosure 62 on the top surface of the cover plate 61, a plurality of water seepage holes 611 are formed in the cover plate 61, and a lifting steel lug 621 is fixed on the top surface of the enclosure 62; clear up mouthful 23 and make things convenient for follow-up personnel to the clear drawing of going on of drainage and impoundment french drain 2, cover through apron 61 and establish on clear up mouthful 23 and will plant soil layer 63 and lay and enclose and keep off 62 in carrying out planting technique, be favorable to in time sealing clear up mouthful 23, reduce the inside dirty impurity effluvium of drainage and impoundment french drain 2, enclose to keep off 62 and reduce and plant soil layer 63 effluvium, improve greenbelt 6 and set up stability, infiltration hole 611 is favorable to in time oozing down the sedimentary ponding on the apron 61, it lifts up to make things convenient for constructor to pull steel ear 621, put apron 61 down.
Referring to fig. 1 and 4, the drainage and impoundment blind ditch 2 is provided with a butt-joint ring groove 24 on the cleaning opening 23 in the circumferential direction, and a butt-joint insert ring 612 for clamping the butt-joint ring groove 24 is fixed on the surface of the cover plate 61 facing the cleaning opening 23; the butt joint groove facilitates quick correction, insertion and sealing of the cover plate 61 to the cleaning opening 23, the butt joint inserting ring 612 is matched with the butt joint groove to improve the sealing effect of the sealing cover of the cover plate 61, and the problem of water seepage of the joint end of the cover plate 61 and the cleaning opening 23 is solved.
Referring to fig. 2 and 4, overflow pipes 64 are respectively connected to four side walls of the enclosure 62, one end of each overflow pipe 64 penetrates into the enclosure 62, a filter screen plug 65 is fixed to the end of each overflow pipe 64, and the other end of each overflow pipe 64 penetrates into the drainage and storage blind ditch 2; when the accumulated water in the enclosure 62 is more, the water level reaches the end of the filter screen plug 65 of the overflow pipe 64, the accumulated water is guided back to the drainage water blind ditch 2 through the overflow pipes 64, the excessive overflow of the accumulated water in the enclosure 62 to the ground is reduced, and the filter screen plug 65 reduces the accumulated water in the enclosure 62 to clamp impurities to be guided into the overflow pipe 64 and cause the blockage of the overflow pipe 64.
The implementation principle of the sponge city semi-permeable road structure using the original road structure is as follows: the construction personnel take the original roadbed 1 as a substrate, lay a waterproof mortar protective layer one 15 on the original roadbed 1, maintain the waterproof mortar protective layer one 15, simultaneously excavate the drainage and impoundment blind ditches 2 on the ground at the two sides of the original roadbed 1 and connect to the urban underground drainage pipeline through the drainage pipe 21, then lay the cementing material layer 41, the pervious concrete layer 42 and the pervious brick layer 43 in turn on the waterproof mortar protective layer one 15, put the perforated water collecting pipe 5 into the pervious concrete layer 42 during the laying of the pervious concrete layer 42 and guide the two ends of the perforated water collecting pipe 5 to communicate with the corresponding drainage and impoundment blind ditches 2, preset the kerbstone 3 between the two sides of the original roadbed 1 in the extending direction and the top surface of the corresponding drainage and impoundment blind ditches 2, set the first drainage port 31 and fix the drainage side grate 32 on the opposite surfaces of the kerbstone 3, set the second drainage port 44 and fix the drainage flat grate 45 on the top surface of the pervious roadbed 4 and the position, a cleaning opening 23 is formed in the top surface of the drainage and water storage blind ditch 2, a cover plate 61 is covered on the cleaning opening, and finally a planting soil layer 63 is laid on the cover plate 61 and green plants are planted on the planting soil layer.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the 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 (8)
1. The utility model provides an utilize sponge city semi-permeable water road structure of original road structure, includes former road bed (1), its characterized in that: the water drainage and storage blind ditches (2) are arranged on two sides of the original roadbed (1), the water drainage and storage blind ditches (2) are connected with a discharge pipe (21) used for communicating with a municipal underground drainage pipeline, the two sides of the original roadbed (1) are respectively provided with a vertical kerbstone (3), the vertical kerbstone (3) is provided with a first drainage port (31) communicated with the water drainage and storage blind ditches (2), a permeable roadbed (4) is paved on the original roadbed (1), and a waterproof mortar protective layer I (15) is arranged between the permeable roadbed (4) and the original roadbed (1);
a second water outlet (44) is arranged between the permeable roadbed (4) and the vertical kerbs (3), a first filtering and draining part is arranged on the first water outlet (31), a second filtering and draining part is arranged on the second water outlet (44), and the second water outlet (44) is communicated with the water drainage and storage blind ditch (2);
and a water collecting and guiding component is arranged in the permeable roadbed (4), and is communicated with the drainage and storage blind ditch (2).
2. The sponge city semi-permeable water channel structure using the original road structure according to claim 1, characterized in that: the permeable roadbed (4) sequentially comprises a cementing material layer (41) and a permeable concrete layer (42) from the original roadbed (1) to the top, and a permeable brick layer (43) is laid on the permeable concrete layer (42);
the water collecting and guiding component is set to be a perforated water collecting pipe (5), the perforated water collecting pipe (5) is arranged in the permeable concrete layer (42) in a penetrating mode, the perforated water collecting pipe (5) is communicated with the water drainage blind ditch (2), and the outer pipe wall of the perforated water collecting pipe (5) is sleeved with permeable geotextile (51).
3. The sponge city semi-permeable water channel structure using the original road structure as claimed in claim 2, characterized in that: the first filtering and draining part is arranged as a draining side grate (32), the second filtering and draining part is arranged as a draining horizontal grate (45), a plurality of draining through grooves (321) are formed in the draining horizontal grate (45) and the draining side grate (32), and the extending direction of the draining through grooves (321) is parallel to the extending direction of the side edge of the original roadbed (1).
4. The sponge city semi-permeable water channel structure using the original road structure according to claim 3, characterized in that: the second water outlet (44) is arranged on the permeable concrete layer (42), and the permeable brick layer (43) is provided with a stepped groove (421) for clamping the horizontal grate (45) on the second water outlet (44);
the bottom of the drainage side grate (32) is attached to the side edge of the top surface of the permeable brick layer (43), and a drainage through groove (321) is formed in the joint end of the drainage side grate (32) and the permeable brick layer (43).
5. The sponge city semi-permeable water channel structure utilizing the original road structure according to claim 4, characterized in that: the row horizontal grate (45) is provided with a torsion rod (46) in a rotating mode, the torsion rod (46) penetrates through the row horizontal grate (45), one end, located on the bottom face of the row horizontal grate (45), of the torsion rod (46) faces the top face of the stepped groove (421), one end, facing the stepped groove (421), of the torsion rod (46) is axially fixed with a locking rod (461) in a perpendicular mode, the stepped groove (421) is provided with a positioning groove (422) for inserting the torsion rod (46) and the locking rod (461), and the bottom end of the positioning groove (422) is provided with a locking groove (423) for enabling the locking rod (461) to rotate to and be hooked.
6. The sponge city semi-permeable water channel structure using the original road structure according to any one of claims 1 to 5, characterized in that: the inner wall of drainage and water storage french drain (2) is provided with waterproof mortar protective layer two (22), clearance mouth (23) have been seted up to drainage and water storage french drain (2) top, drainage and water storage french drain (2) top is located be provided with greenbelt (6) on clearance mouth (23), greenbelt (6) are established including the lid apron (61) of clearance mouth (23) top, the top surface circumference of apron (61) is provided with and encloses fender (62), just apron (61) top surface is located it plants soil layer (63) to enclose to be provided with in fender (62), a plurality of infiltration holes (611) have been seted up to apron (61), it carries and draws steel ear (621) to enclose to be provided with on fender (62).
7. The sponge city semi-permeable water channel structure using the original road structure as claimed in claim 6, wherein: the drainage and water storage blind ditch (2) is located a butt joint annular groove (24) is circumferentially formed in the cleaning opening (23), and the cover plate (61) faces towards the surface of the cleaning opening (23) and is fixedly provided with a butt joint inserting ring (612) for inserting the butt joint annular groove (24).
8. The sponge city semi-permeable water channel structure using the original road structure as claimed in claim 6, wherein: enclose the lateral wall circumferential connection who keeps off (62) have a plurality of overflow pipes (64), the one end of overflow pipe (64) penetrates enclose in keeping off (62), the other end intercommunication of overflow pipe (64) drainage blind ditch (2), overflow pipe (64) penetrate enclose the one end in keeping off (62) and be provided with filter screen stopper (65).
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