CN109610620B - Construction method of urban road sponge engineering system combined with pavement maintenance - Google Patents
Construction method of urban road sponge engineering system combined with pavement maintenance Download PDFInfo
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- CN109610620B CN109610620B CN201811595729.2A CN201811595729A CN109610620B CN 109610620 B CN109610620 B CN 109610620B CN 201811595729 A CN201811595729 A CN 201811595729A CN 109610620 B CN109610620 B CN 109610620B
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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
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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
- E03F5/06—Gully gratings
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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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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Road Paving Structures (AREA)
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Abstract
The invention discloses a construction method of an urban road sponge engineering system combined with pavement maintenance, which comprises the steps of inserting fixing steel rods inserted into a motor vehicle lane and a non-motor vehicle lane in the circumferential direction of a maintenance pit, pouring pervious concrete on a water seepage layer in the maintenance pit to form a pervious concrete layer, connecting the pervious concrete layer with the original structures of the motor vehicle lane and the non-motor vehicle lane by the fixing steel rods, wherein the length of each fixing steel rod is 50-60cm, the diameter of each fixing steel rod is 2cm, a water collecting side ditch is communicated with a water storage tank at one side far away from the motor vehicle lane and the non-motor vehicle lane, a water drawing pump is fixed in the water storage tank, and the water drawing pump sprays water onto an urban green belt arranged at one side far away from the motor vehicle lane and the non-motor vehicle lane of a sidewal. The invention has the effect of improving the stability of the maintenance place and other places.
Description
Technical Field
The invention relates to the technical field of urban road drainage and rainwater utilization, in particular to a construction method of an urban road sponge engineering system combined with pavement maintenance.
Background
The urban road is communicated with all regions of a city, is used for traffic transportation and pedestrians in the city, is convenient for resident life, work and cultural entertainment activities, and is connected with roads outside the city to bear external traffic. The sponge city is a new generation of city rain and flood management concept and can also be called as a 'water elastic city'. The international generic term is "low impact development storm water system construction". When raining, the utility model absorbs water, stores water, seeps water and purifies water, and when needed, the stored water is released and utilized. In urban roads, due to the passing of heavy trucks and automobiles, the road surface is easy to damage under long-time bearing, workers are required to maintain the road surface frequently, and cement is used for pouring in the maintenance process.
The traditional Chinese patent with publication number CN106245487B discloses an urban road sponge engineering system combining road surface maintenance and a construction method thereof, which comprises the steps of keeping the pavement surface of a sidewalk unchanged, keeping the original structure below the surface layers of a motor vehicle lane and a non-motor vehicle lane, planing off the surface layers of the motor vehicle lane and the non-motor vehicle lane to be 20-40mm thick, paving a permeable surface layer again, wherein the thickness of the permeable surface layer is 40-50mm, the outer edge of the permeable surface layer is close to a water collecting side ditch cover plate, water collecting side ditches are arranged at the outer side of the motor vehicle lane along the road flat teeth and the road flat teeth between the non-motor vehicle lane and the sidewalk, the water collecting side ditches are respectively connected with a circular seepage water storage tank and a square seepage water storage tank through inclined collecting pipes, and the water collecting side ditches are connected with municipal rainwater. Although the urban road sponge engineering system combining road surface maintenance and the construction method thereof finish the maintenance and the finishing of the road surface of the old urban road, the existing drainage system is not changed, the downstream drainage burden is effectively reduced, and the pollution of the initial rainwater pollution of the road surface to the downstream water body can be avoided, because the circular water seepage and storage tank is connected, the influence can be caused on the stability of the roadside, and meanwhile, the collapse of the lower part of the road surface of the motor way can be caused, and the potential safety hazard of the road surface can be caused.
Disclosure of Invention
The invention aims to provide a construction method of an urban road sponge engineering system combined with pavement maintenance.
The technical purpose of the invention is realized by the following technical scheme:
a construction method of an urban road sponge engineering system combined with pavement maintenance is disclosed, wherein an existing urban road comprises a motor vehicle lane, a non-motor vehicle lane and a sidewalk, water collecting side ditches are arranged at the outer side of the motor vehicle lane along a road flat tooth and at the road flat tooth between the non-motor vehicle lane and the sidewalk, and water collecting side ditch cover plates are covered on the water collecting side ditches; the pavement of the sidewalk is kept unchanged, the original structures below the surface layers of the motor vehicle lane and the non-motor vehicle lane are reserved, the concrete on the surfaces of the motor vehicle lane and the non-motor vehicle lane is planed by a drilling machine, then a maintenance pit with the depth of 45-50cm is dug by a pavement excavator, a water seepage layer with the thickness of 20-25cm is paved at the bottom of the maintenance pit again, a plurality of connecting hollow steel rods are inserted at two sides in the maintenance pit and positioned at the bottom of the maintenance pit, a plurality of micro funnels are communicated on the connecting hollow steel rods, the connecting hollow steel rods are communicated with the water collecting side ditch, and one end of the connecting hollow steel rod in the water collecting side ditch is penetrated in a sewage intercepting basket;
the method comprises the following steps that a fixed steel rod inserted into a motor vehicle lane and a non-motor vehicle lane is inserted into a maintenance pit in the circumferential direction, permeable concrete is poured on a permeable layer in the maintenance pit to form a permeable concrete layer, the fixed steel rod is connected with the permeable concrete layer and the original structures of the motor vehicle lane and the non-motor vehicle lane, the length of the fixed steel rod is 50-60cm, the diameter of the fixed steel rod is 2cm, a water collecting side ditch is communicated with a water storage tank at one side far away from the motor vehicle lane and the non-motor vehicle lane, a water drawing water pump is fixed in the water storage tank, and the water drawing water pump sprays water onto an urban green belt arranged at one side far away from the motor vehicle lane and.
By adopting the technical scheme, the road surface can be renovated by the dug maintenance pit, the connectivity between the seepage layers in the motor way, the non-motor way and the maintenance pit can be increased primarily by connecting the hollow steel rods, and the seepage water above the seepage layers is received by the micro funnel, and is guided into the hollow cavity connected with the hollow steel rods, so that the water can be guided into the water collecting side ditch, and impurities in the water connected with the hollow rods can be intercepted by the sewage intercepting basket; furthermore, the connection stability between the permeable concrete layers in the motor way and the non-motor way and the maintenance pit can be increased again through the fixed steel rods, so that the situation that the motor way and the non-motor way are collapsed due to different bearing capacities caused by different materials and newly filled materials is reduced.
The method is further set to carry out a water seepage test on a water seepage layer when the water seepage layers on the motor vehicle lane and the non-motor vehicle lane are laid, the water seepage layer with the size of 1 square meter is placed on a screen mesh, water with the size of 2L is poured on the surface of the screen mesh, a measuring cylinder is connected below the water seepage layer and placed on a support, whether the water in the measuring cylinder reaches 1.6L within 10 minutes is observed, and whether the water seepage rate of the water seepage layer reaches eighty percent can be determined.
Through adopting above-mentioned technical scheme, through the flow that passes through the infiltration layer of experiment in 10 minutes, can confirm the infiltration rate of infiltration layer to confirm whether the infiltration layer accords with the use specification, reduce the infiltration layer infiltration rate and not enough and cause the problem of ponding, also can reduce the rainwater and deposit in the infiltration layer, cause the infiltration layer to be corroded by the rainwater and cause the problem of ponding on the road surface simultaneously.
The invention is further configured to: a water seepage layer with the thickness of 20-25cm is paved at the bottom of the maintenance pit again, and a plurality of hollow steel rods for connection are inserted at the two sides in the maintenance pit:
1) knocking the connecting hollow steel rod into the original structures of the motorway and the non-motorway by hammering, wherein the insertion depth is 20cm, and the distance between the connecting hollow steel rod and the bottom of the maintenance pit is 3 cm;
2) fixing miniature funnels on connecting hollow steel rods in the maintenance pit through bolts, wherein the distance between the miniature funnels is 10 cm;
3) and sleeving the other connecting hollow steel rod on the connecting hollow steel rod in the maintenance pit, connecting the connecting hollow steel rod in a threaded manner, and wrapping the connecting part with geotextile for water prevention.
Through adopting above-mentioned technical scheme, can promote the stability of being connected of connecting cavity steel pole and motor vehicle way and non-motor vehicle way through insertion depth 20cm to come the infiltration layer water that oozes down through connecting the inside rivers of cavity steel pole to catchment gutter department through miniature funnel, and connect the cavity steel pole through two and come easy to assemble, increase the waterproof performance of connecting the cavity steel pole junction through geotechnological cloth.
The invention is further configured to: connect the one end of cavity steel pole in catchment side ditch and wear to locate in cutting dirty basket, its construction step is: connecting plates extend from two sides of the tail end of the hollow steel rod and are connected with the outside of the sewage intercepting basket through bolts.
Through adopting above-mentioned technical scheme, constructor can be through the bolt with the connecting plate connect cut dirty basket in, can hang on connecting the cavity steel pole with cutting dirty basket, promote the stability of cutting dirty basket.
The invention is further configured to: the construction method comprises the following steps of inserting fixed steel rods inserted into a motor vehicle lane and a non-motor vehicle lane in the circumferential direction of a maintenance pit, and pouring permeable concrete on a permeable layer in the maintenance pit to form a permeable concrete layer:
1) knocking the fixed steel rod into the original structures of the motor way and the non-motor way by hammering, wherein the insertion depth is 25 cm;
2) the connecting ring is sleeved at one end, located in the maintenance pit, of the fixed steel rod, and the connecting ring extends outwards to form a transverse supporting plate.
By adopting the technical scheme, the connection between the pervious concrete layer and the original motor vehicle lane and non-motor vehicle lane is more stable by inserting the 25cm fixing steel rod; through the backup pad on go-between and the go-between, can increase the area of contact between fixed steel pole and the concrete layer that permeates water to fixing better in the concrete layer that permeates water of fixed steel pole, thereby further increased the concrete layer that permeates water and former motor way and the connection stability between the non-motor way.
The invention is further configured to: the water drawing pump is provided with a rain sensor on the ground surface.
Through adopting above-mentioned technical scheme, through the rainwater inductor, can measure whether external raining, draw the water pump and do not operate in the weather of rainy.
The invention is further configured to: the water storage tank is internally provided with a liquid level meter, and the liquid level meter is connected with a water drawing pump.
By adopting the technical scheme, the water level in the reservoir can be measured through the liquid level meter, so that whether the water drawing water pump runs or not is controlled by the signal sent by the liquid level meter for the water drawing water pump, and the condition that the water drawing water pump runs idle due to the fact that no water exists in the reservoir is reduced.
The invention is further configured to: and an atomizing nozzle is arranged at the spraying position of the water drawing pump.
Through adopting above-mentioned technical scheme, through atomizing nozzle, can make the granule of drawing water pump spun water littleer, better irrigation afforestation vegetation, more abundant utilization water resource.
In conclusion, the beneficial effects of the invention are as follows:
1. the hollow steel rod is connected, so that the effect of increasing the connectivity between the permeable layers in the motor vehicle lane, the non-motor vehicle lane and the maintenance pit is achieved;
2. the fixed steel rod is adopted, so that the effect of further improving the connection stability between the seepage layers in the motor way, the non-motor way and the maintenance pit is achieved;
3. a rain sensor and a liquid level meter are adopted, so that the effect that the water in the water storage tank can be ensured and the green plants are not sprayed in rainy days is generated.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment.
Fig. 2 is a schematic diagram showing a cross-sectional structure in this embodiment.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic structural diagram for embodying the fixing steel rod in the present embodiment.
FIG. 5 is a schematic structural diagram for embodying the measurement of the water-permeable layer in this embodiment.
In the figure, 1, a motor vehicle lane; 11. a non-motorized lane; 12. a sidewalk; 13. flattening the teeth of the road; 14. a catchment gutter; 141. a catchment gutter cover plate; 2. maintaining the pit; 21. a water seepage layer; 22. a pervious concrete layer; 3. connecting the hollow steel rod; 31. a micro funnel; 32. a sewage intercepting basket; 33. geotextile; 34. a connecting plate; 4. fixing the steel rod; 41. a connecting ring; 42. a support plate; 5. a reservoir; 51. a water drawing pump; 52. a liquid level meter; 53. an atomizing nozzle; 6. urban green belts; 7. a rain sensor; 8. a measuring cylinder; 81. screening a screen; 82, a bracket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the construction method of the urban road sponge engineering system combined with road surface maintenance disclosed by the invention comprises a motorway 1, a non-motorway 11 and a sidewalk 12 which are arranged on an urban road surface in parallel, a water collecting gutter is arranged at the position of a road flat tooth 13 outside the motorway 1, similarly, a water collecting gutter 14 is also arranged at the position of the road flat tooth 13 between the motorway 11 and the sidewalk 12, and a water collecting gutter 14 cover plate is covered on the water collecting gutter 14. When the pavement is maintained, the pavement of the sidewalk 12 is kept unchanged, meanwhile, the original structure below the surface layers of the motor vehicle lane 1 and the non-motor vehicle lane 11 is also kept, the concrete on the surfaces of the motor vehicle lane 1 and the non-motor vehicle lane 11 is planed by a drilling machine on the motor vehicle lane 1 and the non-motor vehicle lane 11, then a maintenance pit 2 with the depth of 45-50cm is dug by a pavement excavator, a water seepage layer 21 with the thickness of 20-25cm is paved at the bottom of the maintenance pit 2 again, a plurality of connecting hollow steel rods 3 are inserted at two sides in the maintenance pit 2, the connecting hollow steel rods 3 are positioned at the bottom of the maintenance pit 2, and the water seepage layer 21 and the connection between the original motor vehicle lane 1 and the non-motor vehicle lane 11 are. The permeable concrete is laid on the permeable layer 21 to form a permeable concrete layer 22, the fixed steel rods 4 inserted into the motor vehicle lane 1 and the non-motor vehicle lane 11 are inserted in the circumferential direction of the maintenance pit 2, and the fixed steel rods 4 are also embedded in the permeable concrete layer 22, so that the connection stability of the permeable concrete layer 22 and the original motor vehicle lane 1 and non-motor vehicle lane 11 is further improved.
Referring to fig. 2, in order to enable the water seepage layer 21 to work normally, the water permeability of the water seepage layer 21 needs to be detected before the water seepage layer 21 is laid, a square of the water seepage layer 21 is firstly placed on a screen 81, the thickness of the water seepage layer is 20-25cm, a measuring cylinder 8 is arranged below the screen 81, the measuring cylinder 8 is placed on a support, then 2L water is poured on the water seepage layer 21, whether the water in the measuring cylinder 8 reaches 1.6L within 10 minutes is observed, the flow passing through the water seepage layer 21 within 10 minutes is detected, the water seepage rate of the water seepage layer 21 can be determined, and whether the water seepage layer 21 meets the use specification is determined.
Referring to fig. 2 and 3, the construction process of laying and connecting the hollow steel rods 3 is as follows: knocking the connecting hollow steel rod 3 into the original structures of the motor vehicle lane 1 and the non-motor vehicle lane 11 by hammering, wherein the insertion depth is 20cm, and meanwhile, the distance between the connecting hollow steel rod 3 and the bottom of the maintenance pit 2 is 3 cm; the miniature funnels 31 are fixed on the connecting hollow steel rods 3 in the maintenance pit 2 through bolts, the distance between the miniature funnels 31 is 10cm, the maximum diameter of the miniature funnels 31 is 6cm, seepage water above the miniature funnels can be introduced into the connecting hollow steel rods 3 to play a role in drainage, and meanwhile, the connectivity between the motor vehicle lane 1 and the non-motor vehicle lane 11 and the seepage water layer 21 in the maintenance pit 2 can be initially increased; sleeving the other connecting hollow steel rod 3 on the connecting hollow steel rod 3 in the maintenance pit 2, connecting the connecting hollow steel rods in a threaded manner, and wrapping the connecting part with geotextile 33 for water prevention; sleeving the other connecting hollow steel rod 3 on the connecting hollow steel rod 3 in the maintenance pit 2, connecting the connecting hollow steel rods in a threaded manner, wrapping the connecting part with geotextile 33, and increasing the sealing property of the connecting part of the two connecting hollow steel rods 3; the second connects in cavity steel pole 3 stretches into catchment side ditch 14 to connect the one end of cavity steel pole 3 in catchment side ditch 14 to extend to both sides and have connecting plate 34, connecting plate 34 has through bolted connection and cuts dirty basket 32, can cut dirty with the water that connects in cavity steel pole 3 introduction catchment side ditch 14, gets rid of unnecessary impurity, reduces the circumstances that catchment side ditch 14 was blockked up.
Referring to fig. 2 and 4, in order to further increase the connectivity between the pervious concrete layer 22 and the original vehicle lane 1 and non-vehicle lane 11, a fixed steel rod 4 which is hammered into the vehicle lane 1 and the non-vehicle lane 11 is arranged in the circumferential direction of the maintenance pit 2, the inserting depth is 25cm, the length of the fixed steel rod 4 is 50-60cm, in the embodiment, 60cm, and the diameter is 2 cm; the connecting ring 41 (see fig. 4) is sleeved at one end of the fixing steel rod 4 positioned in the maintenance pit 2, the connecting ring 41 extends outwards to form a transverse supporting plate 42 (see fig. 4), pervious concrete is poured into the maintenance pit 2, the fixing steel rod 4 can increase the connection stability between the pervious concrete layers 22 in the motor vehicle lane 1, the non-motor vehicle lane 11 and the maintenance pit 2, the contact area between the fixing steel rod 4 and the pervious concrete is increased through the connecting ring 41 and the supporting plate 42, and the fixing steel rod 4 is enabled to better fix the pervious concrete layers 22.
Referring to fig. 1, the gutter 14 is further communicated with a reservoir 5, a water-drawing pump 51 is arranged in the reservoir 5, water in the reservoir 5 can be drawn up, and then the water in the reservoir 5 is used for irrigating vegetation on the urban green belt 6 through an atomizing nozzle 53. Meanwhile, a liquid level meter 52 is arranged in the reservoir 5, the liquid level meter 52 is electrically connected with the water drawing pump 51, when no water exists in the reservoir 5, the liquid level meter 52 sends a signal to the water drawing pump 51, and the water drawing pump 51 stops working. The rainwater sensor 7 is further arranged at the position, exposed out of the ground, of the water drawing pump 51, the rainwater sensor 7 is also electrically connected with the water drawing pump 51, whether the outside is rainy can be measured through the rainwater sensor 7, in rainy weather, the rainwater sensor 7 sends an electric signal to the water drawing pump 51, and the water drawing pump 51 stops running.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. A construction method of an urban road sponge engineering system combined with road surface maintenance is disclosed, wherein an existing urban road comprises a motor vehicle lane (1), a non-motor vehicle lane (11) and a sidewalk (12), water collecting side ditches (14) are arranged at the positions of road flat teeth (13) on the outer side of the motor vehicle lane (1) and the road flat teeth (13) between the non-motor vehicle lane (11) and the sidewalk (12), and water collecting side ditches (14) cover plates are covered on the water collecting side ditches (14); the pavement of the sidewalk (12) is kept unchanged, and the original structures below the surface layers of the motor vehicle lane (1) and the non-motor vehicle lane (11) are reserved, and the pavement structure is characterized in that: the concrete on the surfaces of the motor vehicle lane (1) and the non-motor vehicle lane (11) is planed by a drilling machine, then a maintenance pit (2) with the depth of 45-50cm is dug by a road excavator, a water seepage layer (21) with the thickness of 20-25cm is paved at the bottom of the maintenance pit (2), a plurality of connecting hollow steel rods (3) are inserted at two sides in the maintenance pit (2), the connecting hollow steel rods (3) are positioned at the bottom of the maintenance pit (2), a plurality of micro funnels (31) are communicated on the connecting hollow steel rods (3), the connecting hollow steel rods (3) are communicated with the water collecting side ditch (14), and one end of the connecting hollow steel rods (3) in the water collecting side ditch (14) penetrates through a dirt intercepting basket (32);
a fixed steel rod (4) inserted into the motor vehicle lane (1) and the non-motor vehicle lane (11) is inserted in the circumferential direction of the maintenance pit (2), and the permeable concrete is poured on the permeable layer (21) in the maintenance pit (2) to form a permeable concrete layer (22), the fixed steel rod (4) is connected with the permeable concrete layer (22) and the original structure of the motor vehicle lane (1) and the non-motor vehicle lane (11), the length of the fixed steel rod (4) is 50cm-60cm, the diameter of the fixed steel rod (4) is 2cm, the water collecting side ditch (14) is communicated with a reservoir (5) at one side far away from the motor vehicle lane (1) and the non-motor vehicle lane (11), a water drawing pump (51) is fixed in the reservoir (5), the water drawing pump (51) sprays water to an urban green belt (6) arranged on one side of the sidewalk (12) far away from the motor vehicle lane (1) and the non-motor vehicle lane (11).
2. The construction method of the urban road sponge engineering system combined with the road surface maintenance as claimed in claim 1, wherein when the water seepage layer (21) on the motorway (1) and the non-motorway (11) is laid, the water seepage test is carried out on the water seepage layer (21), the water seepage layer (21) with the size of 1 square meter is placed on the screen (81), the water with the size of 2L is poured on the surface of the screen, the measuring cylinder (8) is connected below the water seepage layer (21), the measuring cylinder (8) is placed on the bracket, whether the water in the measuring cylinder (8) reaches 1.6L within 10 minutes is observed, and whether the water seepage rate of the water seepage layer (21) reaches eighty percent or not can be determined.
3. The construction method of the urban road sponge engineering system combined with the pavement maintenance as claimed in claim 2, wherein the construction method comprises the following steps: a water seepage layer (21) with the thickness of 20-25cm is paved at the bottom of the maintenance pit (2), and a plurality of construction steps for connecting the hollow steel rods (3) are inserted at two sides in the maintenance pit (2):
1) knocking the connecting hollow steel rod (3) into the original structures of the motorway (1) and the non-motorway (11) by hammering, wherein the insertion depth is 20cm, and the distance between the connecting hollow steel rod (3) and the bottom of the maintenance pit (2) is 3 cm;
2) the miniature funnels (31) are fixed on the connecting hollow steel rods (3) in the maintenance pit (2) through bolts, and the distance between the miniature funnels (31) is 10 cm;
3) another connecting hollow steel rod (3) is sleeved on the connecting hollow steel rod (3) in the maintenance pit (2) and is in threaded connection, and the joint is wrapped with geotextile (33) for water prevention.
4. The construction method of the urban road sponge engineering system combined with the pavement maintenance as claimed in claim 3, wherein the construction method comprises the following steps: connect cavity steel pole (3) one end in catchment side ditch (14) and wear to locate in intercepting dirty basket (32), it has connecting plate (34) to connect the terminal both sides of cavity steel pole (3) to extend, and connecting plate (34) are in intercepting dirty basket (32) outside through bolted connection.
5. The construction method of the urban road sponge engineering system combined with pavement maintenance as claimed in claim 4, wherein the construction method comprises the following steps: the construction method comprises the following steps of inserting a fixed steel rod (4) inserted into a motor vehicle lane (1) and a non-motor vehicle lane (11) in the circumferential direction of a maintenance pit (2), and pouring pervious concrete on a water seepage layer (21) in the maintenance pit (2) to form a pervious concrete layer (22):
1) knocking the fixed steel rod (4) into the original structures of the motor vehicle lane (1) and the non-motor vehicle lane (11) by hammering, wherein the insertion depth is 25 cm;
2) the connecting ring (41) is sleeved at one end of the fixed steel rod (4) located in the maintenance pit (2), and the connecting ring (41) extends outwards to form a transverse supporting plate (42).
6. The construction method of the urban road sponge engineering system combined with pavement maintenance as claimed in claim 5, wherein the construction method comprises the following steps: the water drawing pump (51) is provided with a rain sensor (7) on the ground surface.
7. The construction method of the urban road sponge engineering system combined with the pavement maintenance as claimed in claim 6, wherein the construction method comprises the following steps: be provided with level gauge (52) in cistern (5), level gauge (52) are connected with water drawing pump (51).
8. The construction method of the urban road sponge engineering system combined with the pavement maintenance as claimed in claim 7, wherein the construction method comprises the following steps: and an atomizing nozzle (53) is arranged at the spraying position of the water drawing pump (51).
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| CN203866664U (en) * | 2014-05-30 | 2014-10-08 | 北京建筑大学 | Permeable concrete pavement system with permeation and drainage guide pipes |
| CN204690894U (en) * | 2015-04-29 | 2015-10-07 | 广东众强建设工程有限公司 | Road drainage structure |
| CN206438486U (en) * | 2017-01-18 | 2017-08-25 | 广东城基生态科技股份有限公司 | A kind of greening side slope drainage system |
| CN207314080U (en) * | 2017-07-31 | 2018-05-04 | 北京星河园林景观工程有限公司 | It is a kind of that there is permeable, water storage function road pavement structure |
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Address after: 212000 No. 699, Nanxu Avenue, Zhenjiang City, Jiangsu Province Patentee after: Zhenjiang Planning Survey and Design Group Co.,Ltd. Address before: 212004 No. 699, Nanxu Avenue, Zhenjiang City, Jiangsu Province Patentee before: ZHENJIANG PLANNING AND DESIGN INSTITUTE |