CN210341550U - Sponge city pavement structure of mating formation permeates water - Google Patents
Sponge city pavement structure of mating formation permeates water Download PDFInfo
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- CN210341550U CN210341550U CN201920893443.6U CN201920893443U CN210341550U CN 210341550 U CN210341550 U CN 210341550U CN 201920893443 U CN201920893443 U CN 201920893443U CN 210341550 U CN210341550 U CN 210341550U
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Abstract
The utility model discloses a sponge city pavement structure of mating formation permeates water, pavement structure is prefabricated concrete, coarse sand layer, the concrete layer that permeates water, regeneration aggregate layer and graded broken stone layer from top to bottom in proper order graded broken stone layer bottom is provided with prevention of seepage geotechnological cloth graded broken stone layer bottom is provided with the infiltration pipe be provided with a plurality of through-holes on the infiltration pipe, and the infiltration pipe periphery cladding has infiltration geotechnological cloth, and the water that permeates to the infiltration intraductal leads to the road red line outside city retaining sponge by the infiltration pipe in vivo. The utility model discloses the pavement structure of permeating water that mainly is applicable to the sponge city, through the pavement structural design of this scheme, can realize the quick infiltration of rainwater to in the infiltration pipe row through pavement structure bottom goes into to the city retaining cavernosum, realize the function in sponge city.
Description
Technical Field
The utility model belongs to the technical field of municipal works, in particular to sponge city pavement structure of mating formation permeates water.
Background
The sponge city realizes the storage, penetration and purification of rainwater in the urban area to the maximum extent on the premise of ensuring the safety of urban drainage and waterlogging prevention, and promotes the utilization of rainwater resources and the ecological environment protection. In the road drainage system of the existing sponge city, rainwater is introduced into the self-sponge stagnation storage system through the sidewalk permeable structure by a pipeline, the permeable effect of the existing sidewalk permeable structure is poor, the pipeline is not smooth in drainage and is easy to block, and the rainwater is gathered in the sidewalk structure for a long time to cause the sidewalk to be sunk. In addition, the rainwater of the existing motor vehicle lane is directly drained into the municipal rainwater pipe network through the rainwater grate through the rainwater port, so that the rainwater of the motor vehicle lane does not enter the sponge stagnation and storage system, and the sponge stagnation and storage system does not reach the maximum utilization efficiency.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: to the problems existing in the prior art, the permeable pavement sponge urban sidewalk structure capable of improving the permeable and drainage effects is provided.
The technical scheme of the utility model is realized like this: the utility model provides a sponge city pavement structure of mating formation permeates water which characterized in that: pavement structure from top to bottom is prefabricated concrete pavement board, coarse sand layer, the concrete layer that permeates water, regeneration aggregate layer and level and joins in marriage the metalling in proper order, the prefabricated concrete pavement board packs quartz sand in the crack the metalling bottom of joining in marriage is provided with prevention of seepage geotechnological cloth level joins in marriage the metalling bottom of joining in marriage and is provided with the oozing pipe be provided with a plurality of through-holes on the oozing pipe, just be in the cladding of oozing pipe periphery has infiltration geotechnological cloth, and it is internal to permeate to the water of oozing intraductal city retaining sponge that leads the road red line by the oozing pipe.
Sponge city pavement structure of mating formation permeates water, it is in be provided with infiltration geotechnological cloth layer between coarse sand layer and the concrete layer that permeates water.
Sponge city pavement structure of mating formation permeates water, its ooze the pipe and just near electric power shallow trench longitudinal arrangement along pavement length direction, the bottom of level grading metalling forms certain gradient to electric power shallow trench one side.
Sponge city pavement structure of mating formation permeates water, it is in near city retaining cavernosum is provided with transverse arrangement's infiltration pipe, longitudinal arrangement's infiltration pipe is through crossing the shallow ditch of electric power and connecting out the transverse arrangement infiltration pipe and the city retaining cavernosum intercommunication of road red line.
Sponge city pavement structure of mating formation permeates water, its the tip that the pavement is close to the pavement is provided with the curb be provided with the diversion route of its inside and outside both sides terminal surface of intercommunication in the curb, the diversion route is to the inboard downward sloping that is close to the pavement by the outside that is close to the pavement.
Sponge city pavement structure of mating formation permeates water, it is in pavement structure inner surface layer is provided with the drain pipe, the drain pipe is arranged along pavement length direction, the drain pipe is connected with the rainwater outlet structural connection at lane edge, the drain pipe is through crossing the top layer infiltration pipe and the city retaining cavernosum intercommunication on pavement.
The utility model relates to a sponge city pavement structure of mating formation permeates water, its rainwater outlet structure includes the sump pit that is equipped with the rain grate, set up the overflow drain pipe that takes the elbow and upper portion is equipped with the inlet opening in the sump pit, overflow drain pipe and municipal drainage system are connected, overflow drain pipe in the sump pit is vertical to be set up, overflow drain pipe lower extreme and drainage pipe are connected into an organic whole, form holistic independent structure, form the water collecting annulus between overflow drain pipe periphery and the sump pit inner wall, water collecting annulus bottom is closed structure, water collecting annulus portion and the delivery port that sets up on the sump pit communicate, be provided with a plurality of inlet openings on overflow drain pipe, water collecting annulus communicates with overflow drain pipe through the inlet opening, the position that the water inlet hole set up on the overflow drain pipe is higher than the position of delivery port on the sump pit, rainwater in the water collecting annular gap is firstly discharged to the urban water storage sponge body through a water outlet arranged on the water collecting well, and when the water storage sponge body cannot store water, the height of the rainwater liquid level collected in the water collecting annular gap reaches the position of a water inlet on the overflow drain pipe, the rainwater is discharged to the municipal rainwater drainage system through the overflow drain pipe provided with the water inlet.
Sponge city pavement structure of mating formation permeates water, its the delivery port radially sets up along the sump pit, delivery port on the sump pit passes through drain pipe and city retaining cavernosum connection.
Sponge city pavement structure of mating formation permeates water, it a plurality of inlet openings evenly set up the upper end outer peripheral face at overflow drain pipe, the inlet opening is rectangular hole and arranges along overflow drain pipe's axial, the lowest position of inlet opening lower extreme position is higher than the lowest position of the radial delivery port that sets up on the sump pit.
Sponge city pavement structure of mating formation permeates water, its the up end of overflow drain pipe is enclosed construction, by the direct gathering of rainwater that rain grate got into in the annular gap that catchments, the rainwater liquid level of gathering in the annular gap that catchments is preferred to reach the delivery port department of sump pit and discharges, if the water yield of gathering is too big, the retaining cavernosum can't be absorbed, when leading to rainwater liquid level to continue rising gathering in the annular gap that catchments and reach the inlet opening of overflow drain pipe, the rainwater is discharged by overflow drain pipe.
The utility model discloses the pavement structure of permeating water that mainly is applicable to the sponge city, through the pavement structural design of this scheme, can realize the quick infiltration of rainwater to in the infiltration pipe row through pavement structure bottom goes into to the city retaining cavernosum, realize the function in sponge city. In addition, this scheme carries out the institutional advancement to current rainwater outlet and cooperates with the structure that permeates water of pavement, utilizes the overflow drain pipe that increases the setting in the sump pit, makes the rainwater that flows into in the sump pit preferentially discharge to the city sponge stagnate and hold in the system to realize the utilization of city sponge function, after city retaining cavernosum reaches the biggest water-retaining ability, the rainwater can be discharged to municipal rainwater drainage system through overflow drain pipe, in order to ensure the safety of city drainage prevention waterlogging.
Drawings
FIG. 1 is a schematic diagram of the position of a seepage pipe at the bottom of a sponge urban road.
FIG. 2 is a schematic view of a sponge city road surface drainage facility.
Fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is the utility model discloses well curb is provided with the schematic structure of diversion route.
Fig. 5 is a schematic view of the structure of the rainwater drainage port of the present invention.
The labels in the figure are: the concrete water-permeable paving slab comprises a prefabricated concrete paving slab 1, a coarse sand layer 2, a permeable concrete layer 3, a regenerated aggregate layer 4, a graded gravel layer 5, an impermeable geotextile 6, a seepage pipe 7, a water-permeable geotextile 8, a city water-storage sponge body 9, a water-permeable geotextile layer 10, an electric shallow trench 11, a curb 12, a diversion passage 13, a drainage pipe 14, a rainwater outlet structure 15, a surface seepage pipe 16, a rain grate 17, a water collecting well 18, a water inlet hole 19, an overflow drainage pipe 20, a municipal rainwater drainage system 21, a drainage pipeline 22, a drainage annular gap 23 and a water outlet 24.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 3, a permeable pavement sponge urban sidewalk structure, which comprises a prefabricated concrete pavement slab 1, a coarse sand layer 2, a permeable concrete layer 3, a regenerated aggregate layer 4 and a graded gravel layer 5 from top to bottom in sequence, wherein the prefabricated concrete pavement slab 1 is provided with slab joints, quartz sand is filled in the slab joints, the slab joints arranged on the prefabricated concrete pavement slab are used for downward water seepage and drainage, an impermeable geotextile 6 is arranged at the bottom of the graded gravel layer 5, the impermeable geotextile covers the bottom of the whole sidewalk to ensure the water storage effect in the sidewalk structure, a water seepage geotextile layer 10 is arranged between the coarse sand layer 2 and the permeable concrete layer 3, the geotextile layer can prevent sand of the coarse sand layer from passing through, so as to maintain the water permeability of the permeable concrete layer and improve the integral water permeability of the sidewalk structure, a seepage pipe 7 is arranged at the bottom of the graded gravel layer 5, be provided with a plurality of through-holes on the infiltration pipe 7 to make the intraformational hydroenergy of gradation rubble enough enter the infiltration pipe in, just the 7 periphery cladding of infiltration pipe has infiltration geotechnological cloth 8, effectively avoids sand and soil to enter the infiltration pipe and causes the phenomenon of pipeline jam, and the water that permeates to in the infiltration pipe 7 is introduced by infiltration pipe 7 in the outer city retaining cavernosum 9 of road red line.
In this embodiment, the infiltration pipe 7 is arranged longitudinally along the length direction of the sidewalk and close to the electric shallow trench 11, a certain gradient is formed at the bottom of the graded crushed stone layer 5 to one side of the electric shallow trench 11, so that water gathered in the structure of the sidewalk can flow to the infiltration pipe, the drainage effect of the infiltration pipe is improved, meanwhile, the phenomenon that the sidewalk is sunken due to the fact that the water is gathered in the structure for a long time is avoided, the infiltration pipe 7 arranged transversely is arranged near the urban water storage sponge 9, and the infiltration pipe 7 arranged longitudinally is communicated with the urban water storage sponge 9 through the transversely arranged infiltration pipe 7 which crosses the electric shallow trench 11 and is connected with a red line of the road.
As shown in fig. 4, a kerb 12 is provided at an end of the sidewalk close to the roadway, a water diversion passage 13 communicating the inner and outer end faces of the kerb 12 is provided in the kerb, and the water diversion passage 13 is inclined downward from the outer side close to the roadway to the inner side close to the sidewalk.
As shown in fig. 2 and 5, a drainage pipe 14 is arranged on the inner surface layer of the sidewalk structure, the drainage pipe 14 is arranged along the length direction of the sidewalk, the drainage pipe 14 is connected with a rainwater drainage structure 15 at the edge of the roadway, and the drainage pipe 14 is communicated with the urban water storage sponge 9 through a surface layer seepage pipe 16 which traverses the sidewalk. This scheme is through setting up the drain pipe of being connected with rainwater outlet structure in the pavement, can pass through the preferential row of drain pipe with the water in the sump pit and go into to the city retaining cavernosum to realize the biggest utilization of city sponge function.
Wherein, the rainwater drainage structure 15 comprises a water collecting well 18 provided with a rain grate 17, an overflow drainage pipe 20 with an elbow and a water inlet 19 at the upper part is arranged in the water collecting well 18, the overflow drainage pipe 20 is connected with a municipal drainage system 21, the overflow drainage pipe 20 in the water collecting well 18 is vertically arranged, the lower end of the overflow drainage pipe 20 is connected with a drainage pipeline 22 into a whole to form an integral independent structure, namely, on the basis of the existing water collecting well structure, the overflow drainage pipe is directly added in the water collecting well and is connected with the drainage pipeline, a water collecting annular gap 23 is formed between the periphery of the overflow drainage pipe 20 and the inner wall of the water collecting well 18, the bottom of the water collecting annular gap 23 is a closed structure, the upper part of the water collecting annular gap 23 is communicated with a water outlet 24 arranged on the water collecting well 18, the water outlet 24 on the water collecting well 18 is radially arranged along the water collecting well 18, the water outlet 24 on the water collecting well 18, the rainwater gathered in the water collecting well is discharged into the urban water storage sponge body through the drain pipe, a plurality of water inlet holes 19 are formed in the upper end of the overflow drain pipe 20, the water inlet holes 19 are uniformly formed in the outer peripheral surface of the upper end of the overflow drain pipe 20, the water inlet holes 19 are long holes and are arranged along the axial direction of the overflow drain pipe 20, the water collecting annular gap 23 is communicated with the overflow drain pipe 20 through the water inlet holes 19, the position of the water inlet holes 19 in the overflow drain pipe 20 is higher than the position of the water outlet 24 in the water collecting well 18, specifically, the lowest end position of the opening of the water inlet holes 19 is higher than the lowest end position of the water outlet 24 radially arranged in the water collecting well 18, the rainwater in the water collecting annular gap 23 is firstly discharged to the urban water storage sponge body 9 through the water outlet 24 arranged in the water collecting well 18, when the water storage sponge body cannot store water, and the liquid level of the rainwater gathered in the water collecting, rainwater is drained from an overflow drain 20 provided with a water inlet 19 to a municipal rainwater drainage system 21.
In this embodiment, in order to improve the collecting effect of rainwater in the water collecting well and prevent rainwater from directly draining into the municipal rainwater drainage system through the overflow drain pipe, the upper end surface of the overflow drain pipe 20 is of a closed structure, rainwater entering from the rain grate 17 is directly collected in the water collecting annular gap 23, the rainwater level collected in the water collecting annular gap 23 preferentially reaches the water outlet 24 of the water collecting well 18 and is drained into the municipal water storage sponge body through the drain pipe via the water outlet, and when the collected rainwater level continues to rise due to large rainfall, when the collected rainwater level reaches the water inlet hole 19 of the overflow drain pipe 20, the rainwater is drained into the municipal rainwater drainage system through the overflow drain pipe 20, so as to ensure the safety of urban drainage waterlogging prevention.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a sponge city pavement structure of mating formation permeates water which characterized in that: pavement structure is prefabricated concrete paves dress board (1), coarse sand layer (2), permeates water concrete layer (3), regeneration aggregate layer (4) and graded gravel layer (5) from top to bottom in proper order, pack quartz sand in the crack of prefabricated concrete paves dress board (1) setting graded gravel layer (5) bottom is provided with prevention of seepage geotechnological cloth (6) the bottom is provided with oozing pipe (7) in graded gravel layer (5) be provided with a plurality of through-holes on oozing pipe (7), just ooze pipe (7) periphery cladding have and ooze water geotechnological cloth (8), and the water that permeates to ooze in pipe (7) is caused by oozing pipe (7) in the outer city retaining cavernosum (9) of road red line.
2. The water-permeable paving sponge urban sidewalk structure according to claim 1, wherein: and a water seepage geotextile layer (10) is arranged between the coarse sand layer (2) and the water permeable concrete layer (3).
3. The water-permeable paving sponge urban sidewalk structure according to claim 1, wherein: the seepage pipe (7) is arranged longitudinally along the length direction of the sidewalk and close to the electric shallow trench (11), and the bottom of the graded crushed stone layer (5) forms a certain inclination to one side of the electric shallow trench (11).
4. The water-permeable paving sponge urban sidewalk structure according to claim 3, wherein: the urban water storage sponge body (9) is provided with a horizontally arranged seepage pipe (7), and the longitudinally arranged seepage pipe (7) is communicated with the urban water storage sponge body (9) through the horizontally arranged seepage pipe (7) which transversely penetrates through the electric power shallow trench (11) and is connected with a road red line.
5. The water-permeable paving sponge urban sidewalk structure according to claim 1, wherein: the road pavement is characterized in that a curb (12) is arranged at the end part of the sidewalk close to the roadway, a water diversion passage (13) communicated with the end faces of the inner side and the outer side of the curb is arranged in the curb (12), and the water diversion passage (13) is downwards inclined from the outer side close to the roadway to the inner side close to the sidewalk.
6. A water-permeable paving sponge urban sidewalk structure according to any one of claims 1 to 5, wherein: the inner surface layer of the sidewalk structure is provided with a drain pipe (14), the drain pipe (14) is arranged along the length direction of the sidewalk, the drain pipe (14) is connected with a rainwater drainage port structure (15) at the edge of the roadway, and the drain pipe (14) is communicated with the urban water storage sponge body (9) through a surface layer seepage pipe (16) which transversely penetrates through the sidewalk.
7. The water-permeable paving sponge urban sidewalk structure according to claim 6, wherein: the rainwater drainage port structure (15) comprises a water collecting well (18) provided with a rainwater grate (17), an overflow drainage pipe (20) with an elbow and a water inlet hole (19) at the upper part is arranged in the water collecting well (18), the overflow drainage pipe (20) is connected with a municipal rainwater drainage system (21), the overflow drainage pipe (20) in the water collecting well (18) is vertically arranged, the lower end of the overflow drainage pipe (20) is connected with a drainage pipeline (22) into a whole to form an integral independent structure, a water collecting annular gap (23) is formed between the periphery of the overflow drainage pipe (20) and the inner wall of the water collecting well (18), the bottom of the water collecting annular gap (23) is of a closed structure, the upper part of the water collecting annular gap (23) is communicated with a water outlet (24) arranged on the water collecting well (18), and a plurality of water inlet holes (19) are arranged at the upper end of the overflow drainage pipe (20), the water collecting annular gap (23) is communicated with an overflow drain pipe (20) through a water inlet hole (19), the position of the upper water inlet hole (19) of the overflow drain pipe (20) is higher than the position of the upper water outlet (24) of a water collecting well (18), rainwater in the water collecting annular gap (23) is firstly discharged to a city water storage sponge body (9) through the water outlet (24) arranged on the water collecting well (18), and when the water storage sponge body cannot store water, the rainwater collected in the water collecting annular gap (23) reaches the position of the upper water inlet hole (19) of the overflow drain pipe (20), the rainwater is discharged into a municipal rainwater drainage system (21) through the overflow drain pipe (20) provided with the water inlet hole (19).
8. The water permeable paving sponge urban sidewalk structure according to claim 7, wherein: the water outlets (24) are radially arranged along the water collecting well (18), and the water outlets (24) on the water collecting well (18) are connected with the urban water storage sponge body (9) through the drainage pipe (14).
9. The water permeable paving sponge urban sidewalk structure according to claim 8, wherein: the water inlet holes (19) are uniformly formed in the outer peripheral surface of the upper end of the overflow drain pipe (20), the water inlet holes (19) are long holes and are arranged along the axial direction of the overflow drain pipe (20), and the lowest end position of an opening of each water inlet hole (19) is higher than the lowest end position of a water outlet (24) radially formed in the water collecting well (18).
10. The water permeable paving sponge urban sidewalk structure according to claim 7, wherein: the upper end face of the overflow drain pipe (20) is of a closed structure, rainwater entering from the rain grate (17) is directly gathered in the water collecting annular gap (23), the rainwater liquid level gathered in the water collecting annular gap (23) preferentially reaches the water outlet (24) of the water collecting well (18) and is discharged, if the gathered water quantity is too large, the water storing sponge body cannot absorb the rainwater, and when the rainwater liquid level in the water collecting annular gap (23) continuously rises and gathers to reach the water inlet hole (19) of the overflow drain pipe (20), the rainwater is discharged from the overflow drain pipe (20).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920893443.6U CN210341550U (en) | 2019-06-13 | 2019-06-13 | Sponge city pavement structure of mating formation permeates water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920893443.6U CN210341550U (en) | 2019-06-13 | 2019-06-13 | Sponge city pavement structure of mating formation permeates water |
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| CN210341550U true CN210341550U (en) | 2020-04-17 |
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| CN201920893443.6U Active CN210341550U (en) | 2019-06-13 | 2019-06-13 | Sponge city pavement structure of mating formation permeates water |
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