CN109763393B - Sponge type road paving structure for gardens and construction method thereof - Google Patents
Sponge type road paving structure for gardens and construction method thereof Download PDFInfo
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- CN109763393B CN109763393B CN201910049736.0A CN201910049736A CN109763393B CN 109763393 B CN109763393 B CN 109763393B CN 201910049736 A CN201910049736 A CN 201910049736A CN 109763393 B CN109763393 B CN 109763393B
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- 238000010276 construction Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 168
- 238000011084 recovery Methods 0.000 claims abstract description 53
- 239000000835 fiber Substances 0.000 claims abstract description 23
- 239000011449 brick Substances 0.000 claims abstract description 14
- 239000007921 spray Substances 0.000 claims abstract description 14
- 238000007667 floating Methods 0.000 claims description 21
- 239000004576 sand Substances 0.000 claims description 12
- 241001464837 Viridiplantae Species 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 239000011468 face brick Substances 0.000 claims description 4
- 238000010408 sweeping Methods 0.000 claims description 4
- 238000005056 compaction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 230000004083 survival effect Effects 0.000 claims description 2
- 239000012466 permeate Substances 0.000 abstract description 6
- 238000002407 reforming Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 15
- 238000004064 recycling Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 230000005484 gravity Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 235000021384 green leafy vegetables Nutrition 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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Abstract
The invention discloses a sponge type road paving structure for gardens and a construction method thereof, and relates to the technical field of garden roads, wherein the sponge type road paving structure comprises a water permeable brick layer, a water permeable cushion layer, a leveling layer, a fixed grid layer, a base layer and a cushion layer which are sequentially arranged from top to bottom, wherein a water collecting hole is formed in the leveling layer, fiber clusters are arranged in the water collecting hole, a water collecting pipe is arranged on the fixed grid layer, a water collecting tank is arranged on the base layer and is communicated and connected with the water collecting tank, a filter screen is obliquely and fixedly arranged in the water collecting tank, the water collecting tank is connected with a recovery pipe, the recovery pipe is connected with a recovery tank, the recovery tank is connected with an overground spray head, a discharge hole is formed in the side of the water collecting tank, the base layer is provided with an underground drainage pipeline, an underground city is connected with the; through reforming transform the structural layer of garden road, have the function of improving its garden road permeate water, drainage, recovery and recycle.
Description
Technical Field
The invention relates to the technical field of garden roads, in particular to a garden sponge type road pavement structure and a construction method thereof.
Background
Regarding urban drainage systems, a concept of a sponge city is proposed several years ago, and the sponge city means that the city has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like; in order to improve urban drainage systems, the construction of sponge cities is continuously promoted to enhance the urban waterlogging prevention capability; the sponge type road is one of important aspects of sponge city construction, and the sponge type road is a novel road surface which can rapidly absorb accumulated water on the ground like a sponge, wherein the sponge type road is required to be constructed by changing the traditional method of rapid rainwater drainage and direct rainwater drainage, and the rainwater absorption function of the road is enhanced.
At present, urban waterlogging frequently occurs in cities due to the defects of flood drainage design in early planning of each city, and the main reason is that roads and garden roads in the cities are both of hardened structures, so that the water permeability and drainage performance of the roads are poor, rainwater cannot be absorbed on the spot, and the use performance of the roads is affected.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a sponge type road paving structure for gardens, which has the functions of improving the water permeability and drainage of garden roads and improving the service performance of garden roads.
In order to achieve the purpose, the invention provides the following technical scheme:
a sponge type road paving structure for gardens is provided with a permeable surface brick layer, a permeable cushion layer, a leveling layer, a fixed grid layer, a base layer and a cushion layer from top to bottom in sequence, wherein the leveling layer is provided with a plurality of funnel-shaped water collecting holes, fiber clusters are arranged in the water collecting holes, the fixed grid layer is provided with water collecting pipes, one ends of the water collecting pipes are arranged corresponding to the water collecting holes, the base layer is provided with a water collecting tank, the water collecting pipes are communicated and connected with the water collecting tank after being gathered, a filter screen is fixedly arranged in the water collecting tank in an inclined manner, the side wall of the water collecting tank below the filter screen is communicated and connected with a recovery pipe, the recovery pipe is communicated and connected with a recovery tank, the recovery tank is connected with an overground spray head for irrigating roadside green plants, and a discharge hole is arranged on the side of the water collecting tank above the filter screen, the basic unit is provided with secret city drainage pipe, secret city drainage pipe pass through the discharge tube with the discharge opening is connected be provided with the flashboard subassembly of unloading that is used for opening and close the discharge opening on the header tank.
According to the arrangement, the garden water firstly passes through the permeable brick layer and is reserved at the permeable cushion layer, then permeates into the leveling layer, flows to the water collecting hole under the action of gravity, and is adsorbed by the fiber clusters, so that the aims of centralized collection and discharge are fulfilled; then, the garden water is discharged into the water collecting tank through the water collecting pipes at the fixed grid layer, the garden water is filtered through the filter screen, the filtered water automatically flows into the recovery tank through the recovery pipes, and finally the green plants beside the garden road are irrigated through the ground spray head, so that the effect of filtering and recycling the garden water is achieved; on the other hand, impurities generated after filtration of garden water are located on the filter screen and are accumulated on the inclined part of the filter screen through the action of gravity, and along with accumulation of the impurities, the discharge gate plate assembly opens the discharge hole to discharge the impurities into the underground urban drainage pipeline; the discharge gate plate component opens or closes the discharge hole, so that the automatic impurity discharge effect is achieved, and the aim of continuously filtering and recycling garden water in the water collection tank is fulfilled; the foundation structure of the sponge type road is ensured through the cushion layer and the base layer, and meanwhile, the water collecting tank, the recovery tank and the underground city drainage pipeline are arranged at the base layer, so that the stability of the sponge type road is ensured; the fixed grid layer is arranged in the middle layer of the sponge type road, so that the structural strength of the upper layer and the lower layer of the sponge type road which are connected with each other is improved; the leveling layer can improve the laying and supporting stability of the permeable surface brick layer and the permeable cushion layer; the permeable cushion layer achieves the purpose of permeating garden water, the permeable face brick layer is used as a supporting surface of the sponge type road, the structure is stable, and the permeable face brick layer achieves the purpose of permeating water; through reforming transform the structural layer of garden road, have the function of improving its garden road permeate water, drainage, recovery and recycle.
Further setting: the flashboard subassembly of unloading includes that one end articulates the flashboard of unloading on the header tank lateral wall and fixed the return spring that sets up on the flashboard other end of unloading, and the flashboard of unloading seals to cover to be located on the discharge opening the mounting hole has been seted up on the header tank, return spring installs in the mounting hole, and the hole bottom fixed connection of one end and mounting hole.
The arrangement is that the discharge gate plate is arranged on the discharge hole through the return force sealing cover of the return spring in the initial state, so that the water collection tank and the underground urban drainage pipeline are isolated; the impurity of the formation after the gardens water filters is in on the filter screen and piles up in discharge opening department and to the flashboard formation certain pressure of unloading through the action of gravity, along with piling up of impurity, make the flashboard of unloading rotate towards the header tank outside, return spring is tensile, the discharge opening is opened, make impurity on its filter screen get rid of outside the header tank and drop to underground city drainage pipe along with the action of gravity, when impurity reduces the power of the flashboard of unloading, the flashboard of unloading seals in the discharge opening through return spring's return power, reach the effect that reaches automatic row material.
Further setting: the discharge opening is the counter bore setting, and the discharge opening is greater than the port bore setting of water catch bowl towards the inner wall direction towards the port bore of water catch bowl outer wall.
So set up, improve the area of contact of flashboard and discharge opening of unloading, play the turned angle to the flashboard of unloading towards the discharge opening in the header tank simultaneously, make its flashboard of unloading hug closely on the discharge opening when sealed.
Further setting: the side wall of the circumferential direction of the discharging flashboard is provided with an installation groove, and a sealing ring is arranged in the installation groove.
So set up, can improve the sealing performance of the flashboard of unloading sealed in discharge opening department through the sealing washer.
Further setting: the fiber cluster comprises cotton fibers, metal fibers and carbon fibers wrapped outside the cotton fibers and the metal fibers.
So set up, cotton fiber can play the purpose of the whole support of fibre cluster through metal fiber simultaneously to the quick absorptive effect of infiltration gardens water, and carbon fiber can carry out certain absorption to gardens water, improves the holistic performance of fibre cluster.
Further setting: the integral height of the water collecting tank is higher than that of the recovery tank.
So set up, the drainage in the header tank of being convenient for passes through the action of gravity, flows to the collection box in automatically, improves the gardens with sponge type road's gardens water filtration back automatic collection's purpose.
Further setting: the pipe orifice of the recovery pipe is lower than the height setting of the fixed connection of the filter screen and the water collection tank.
So set up, the automatic recovery tank that flows to that passes through of recovery pipe of the drainage in the header tank of being convenient for, and make the filter residue stay on the filter screen, make its filter residue separate with the drainage, improve the cleanliness factor after the gardens water filters.
Further setting: the recycling bin is characterized in that a guide groove is formed in the side wall, communicated with the recycling pipe, of the recycling bin, the guide groove is arranged along the height direction of the recycling bin, a floating plate is arranged in the guide groove in a sliding mode, and a floating ball is fixedly arranged at the lower end of the floating plate.
So set up, through the change of the water level in the collection box, make the floater drive the floating plate and be in the guide way and upwards slide, through the continuous rising of floating plate, finally with the purpose of cutting off between recovery tube and the collection box, isolated with the water in the header tank, along with the increase of water in the header tank, make the pressure increase that the water level acts on the flashboard of unloading in the header tank, when certain pressure value, the flashboard of unloading is automatic to be opened, in the log raft in the header tank is delivered to underground city drainage pipe, reach automatic adjustment's purpose.
Further setting: the cross sections of the guide groove and the floating plate are arranged in a T shape.
By the arrangement, the floating plate can only directionally slide along the length direction of the guide groove, and the stability of the directional sliding of the floating plate in the recovery box is improved.
The invention also aims to provide a construction method of the garden sponge type road pavement structure, which has the functions of improving the water permeability and drainage of garden roads and improving the construction quality and the service performance of the sponge type road pavement structure.
A construction method of a garden sponge type road pavement structure comprises the following steps:
s1, construction control measurement, namely, digging the foundation deeply and then leveling the ground, wherein the compaction degree of the roadbed is more than 90%; s2, paving a 50mm thick cushion layer with the grain diameter of 15-25 mm on a roadbed, paving a 500mm thick base layer on the cushion layer, installing a water collecting tank and a recovery tank communicated with the water collecting tank on the base layer, and installing underground urban drainage pipelines at the base layer and communicating with the water collecting tank through a discharge pipe; s3, before the fixed grid layer is laid, erecting a plurality of water collecting pipes above the base layer, wherein one ends of the water collecting pipes are communicated with the water collecting tank, and then, the fixed grid layer is laid above the base layer; s4, paving a leveling layer above the fixed grid layer, leveling and compacting the leveling layer by using sand, sloping 1% towards two sides in the middle, wherein the deviation of the surface flatness is less than 5mm, reserving a plurality of funnel-shaped water collecting holes on the leveling layer, wherein one ends of the water collecting holes are respectively connected with the water collecting pipes in the same way, and fiber clusters are pre-buried in the water collecting holes; s5, paving a water permeable cushion layer on the leveling layer, paving the water permeable cushion layer with the thickness of 80-100 mm, backfilling the water permeable cushion layer with broken stones with the particle size of 10-20 mm and the porosity of more than or equal to 30%, wherein the backfilling height is 200-250 mm, tamping and leveling the water permeable cushion layer after the water permeable cushion layer is paved, paving curbs on two sides of the water permeable cushion layer, planting green plants on the sides of the curbs, arranging ground spray heads at the green plants, and connecting the ground spray heads with a recovery box through pipelines; and S6, after the permeable cushion layer is laid, dipping cement paste with the water cement ratio of 0.4-0.5 on the bottom of the permeable brick layer, laying the cement paste on the permeable cushion layer, watering and maintaining after the brick layer survives for 24 hours, maintaining for 2-3 days, scattering fine sand with the mud content of below 1%, sweeping the gap for multiple times, and immediately watering after each sweeping to enable the sand to fill the gap until the sand does not sink any more after watering.
So set up, reform transform through the structural layer to garden road, have the function of permeating water, drainage, the recovery of improving its garden road, improve the construction quality and the performance of its sponge type road pavement structure.
Compared with the prior art, the invention has the following advantages by adopting the technical scheme:
1. the garden sponge type road pavement structure is formed by the water permeable brick layer, the water permeable cushion layer, the leveling layer, the fixed grid layer, the base layer and the cushion layer, the structure layer of the garden road is modified, and the garden sponge type road pavement structure has the functions of improving water permeability, drainage and recycling of the garden road;
2. when the impurities generated after filtration of garden water are on the filter screen and reach a certain amount, the discharge gate plate assembly opens the discharge hole, the impurities are discharged into the underground urban drainage pipeline, so that the impurities on the filter screen are discharged out of the water collection tank and fall into the underground urban drainage pipeline along with the action of gravity;
3. through the change of the water level in the collection box, make the floater drive the floating plate and be in the guide way and upwards slide, through lasting rising of floating plate, finally with the purpose of cutting off between recovery tube and the collection box, with the water in the header tank isolated, along with the increase of the water in the header tank, make the pressure increase that the water level acts on the flashboard of unloading in the header tank, when certain pressure value is arrived, the flashboard of unloading is automatic to be opened, the water in the header tank is delivered to in the underground city drainage pipe, reach automatically regulated's purpose.
Drawings
FIG. 1 is a schematic view of a section structure of a garden sponge type road pavement structure;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a schematic view of a partial structure of a recovery box in a garden sponge type road pavement structure.
In the figure: 1. a permeable surface brick layer; 2. a water-permeable cushion layer; 3. leveling layer; 31. a water collection hole; 32. a fiber cluster; 4. fixing the grid layer; 41. a water collection pipe; 5. a base layer; 51. a water collection tank; 511. a discharge opening; 52. a filter screen; 53. a recovery pipe; 54. a recycling bin; 541. a guide groove; 55. an above-ground spray head; 56. a floating plate; 57. a floating ball; 58. a discharge pipe; 6. a cushion layer; 7. underground urban drainage pipelines; 8. a discharge gate assembly; 81. a discharge gate plate; 82. a return spring; 83. mounting holes; 9. and (5) sealing rings.
Detailed Description
A garden sponge type road pavement structure and a construction method thereof will be further explained with reference to the accompanying drawings.
Example 1: a garden sponge type road paving structure is shown in figure 1 and comprises a water permeable brick layer 1, a water permeable cushion layer 2, a leveling layer 3, a fixed grid layer 4, a base layer 5 and a cushion layer 6 which are sequentially arranged from top to bottom; underground urban drainage pipelines 7 are arranged at the base layer 5.
As shown in fig. 1, a plurality of funnel-shaped water collecting holes 31 are formed in the leveling layer 3, water collecting pipes 41 are formed in the fixed grid layer 4, and one end of each of the plurality of water collecting pipes 41 is arranged corresponding to the water collecting holes 31 one by one and communicated with the water collecting holes 31; a water collecting tank 51 is arranged at the base layer 5, and the water collecting pipe 41 is communicated and connected with the top of the water collecting tank 51 after being gathered; all be provided with fibre cluster 32 in water-collecting hole 31, fibre cluster 32 includes cotton fiber, metal fiber and the carbon fiber of parcel outside cotton fiber and metal fiber, makes the water that permeates the bed course 2 drainage to water-collecting hole 31 in to absorb in spreading to collector pipe 41 through fibre cluster 32.
As shown in fig. 1, a filter screen 52 is obliquely and fixedly arranged in the water collection tank 51, a recovery pipe 53 is communicated and connected to the side wall of the water collection tank 51 below the filter screen 52, the recovery pipe 53 is communicated and connected with a recovery tank 54, and the whole height of the water collection tank 51 is higher than that of the recovery tank 54; meanwhile, the water collecting tank 51 is connected with an above-ground spray head 55 extending to the ground for watering green plants beside the road side, and the filtered water in the recovery tank 54 is recovered and reused through the above-ground spray head 55.
As shown in fig. 1 and 3, a guide groove 541 is formed in a side wall of the recovery tank 54, which is communicated with the recovery pipe 53, the guide groove 541 is disposed along a height direction of the recovery tank 54, and a cross section of the guide groove 541 is arranged in a T shape; a floating plate 56 is arranged in the guide groove 541 in a sliding fit manner, and a floating ball 57 is fixedly arranged at the lower end of the floating plate 56; the floating ball 57 drives the floating plate 56 to slide upwards in the guide groove 541 by the change of the water level in the recovery tank 54, and finally the recovery pipe 53 is separated from the recovery tank 54.
Referring to fig. 1 to 3, a discharge hole 511 is formed in a side wall of the water collection tank 51 above the filter screen 52, the discharge hole 511 is counter bored, and a port diameter of the discharge hole 511 facing an outer wall of the water collection tank 51 is larger than a port diameter of the water collection hole 31 facing an inner wall; the underground city drainage pipe 7 is connected to the discharge hole 511 through a discharge pipe 58, and a discharge gate plate assembly 8 for opening and closing the discharge hole 511 is provided on the sump 51.
As shown in fig. 1 and 2, the discharge gate plate assembly 8 includes a discharge gate plate 81 having one end hinged to the outer side wall of the water collection tank 51, and a return spring 82 fixedly disposed on the other end of the discharge gate plate 81; a mounting hole 83 is formed in the water collection tank 51, the return spring 82 is mounted in the mounting hole 83, and one end of the return spring is fixedly connected with the bottom of the mounting hole 83; in the initial state, the discharge gate plate 81 is sealed and arranged on the discharge hole 511 by the restoring force of the restoring spring 82, so that the water collection tank 51 is isolated from the underground city drainage pipeline 7.
As shown in fig. 2, in order to improve the sealing performance of the discharge gate 81 on the discharge hole 511, an installation groove is formed on a circumferential side wall of the discharge gate 81, and a sealing ring 9 is sleeved in the installation groove.
The working principle is as follows: the garden water firstly stays at the permeable cushion layer 2 through the permeable brick layer 1, then permeates to the leveling layer 3, flows to the water collecting holes 31 along with the action of gravity, and is adsorbed by the fiber clusters 32, so that the aim of centralized collection and discharge is fulfilled; then, the garden water is discharged into a water collecting tank 51 through a water collecting pipe 41 at the position of the fixed grid layer 4, the garden water is filtered through a filter screen 52, the filtered water automatically flows into a recovery tank 54 through a recovery pipe 53, and finally, green plants beside a garden road are irrigated through an overground spray head 55, so that the effect of filtering and recycling the garden water is achieved; on the other hand, impurities generated after filtration of the garden water are located on the filter screen 52 and are accumulated on the inclined part of the filter screen 52 under the action of gravity, and along with accumulation of the impurities, the discharge gate plate assembly 8 opens the discharge hole 511 to discharge the impurities into the underground urban drainage pipeline 7; the discharge gate plate component 8 opens or closes the discharge hole 511, so that the automatic impurity discharge effect is achieved, and the purpose of continuous filtration and recycling of garden water in the water collection tank 51 is ensured; the foundation structure of the sponge type road is ensured through the cushion layer 6 and the base layer 5, and meanwhile, the water collecting tank 51, the recovery tank 54 and the underground city drainage pipeline 7 are arranged at the base layer 5, so that the stability of the sponge type road is ensured; the fixed grid layer 4 is arranged in the middle layer of the sponge type road, so that the structural strength of the upper layer and the lower layer of the sponge type road which are connected with each other is improved; the leveling layer 3 can improve the laying and supporting stability of the permeable facing brick layer 1 and the permeable cushion layer 2; the permeable cushion layer 2 achieves the purpose of permeating garden water, the permeable surface brick layer 1 serves as a supporting surface of the sponge type road, the structure is stable, and the permeable surface brick layer 1 achieves the purpose of permeating water; through reforming transform the structural layer of garden road, have the function of improving its garden road permeate water, drainage, recovery and recycle.
Example 2: a construction method of a garden sponge type road pavement structure comprises the following steps:
and S1, construction control measurement, wherein the foundation is dug to be deep and then the ground is leveled, and the compaction degree of the roadbed is more than 90%.
S2, paving a 50mm thick cushion layer 6 with the grain diameter of 15-25 on a roadbed, paving a 500mm thick base layer 5 on the cushion layer 6, installing a water collecting tank 51 and a recovery tank 54 communicated with the water collecting tank 51 on the base layer 5, and installing an underground city drainage pipeline 7 at the base layer 5 and communicating with the water collecting tank 51 through a discharge pipe 58.
S3, before the grid layer 4 is laid and fixed, a plurality of water collecting pipes 41 are erected above the base layer 5, one ends of the water collecting pipes 41 are communicated with the water collecting tank 51, and then the grid layer 4 is laid and fixed above the base layer 5.
S4, paving a leveling layer 3 above the fixed grid layer 4, leveling and compacting the leveling layer 3 by using sand, sloping 1% towards two sides in the middle, wherein the deviation of the surface flatness is less than 5mm, reserving a plurality of funnel-shaped water collecting holes 31 on the leveling layer 3, wherein one ends of the water collecting holes 31 are respectively connected with the water collecting pipes 41 in the same way, and fiber clusters 32 are pre-embedded in the water collecting holes 31.
S5, paving a water-permeable cushion layer 2 on the leveling layer 3, paving the water-permeable cushion layer 2 with the thickness of 80-100 mm, backfilling the water-permeable cushion layer 2 with broken stones with the particle size of 10-20 mm and the porosity of more than or equal to 30%, wherein the backfilling height is 200-250 mm, tamping and leveling the water-permeable cushion layer 2 after paving, paving curbs on two sides of the water-permeable cushion layer 2, planting greens on the curbs, arranging ground spray heads 55 at the greens, and connecting the ground spray heads 55 with a recovery box 54 through pipelines.
S6, after the permeable cushion layer 2 is laid, cement paste with the water cement ratio of 0.4-0.5 is dipped in the bottom of the permeable face brick and laid on the permeable cushion layer 2, watering and maintaining are carried out after 24 hours of survival, maintenance is carried out for 2-3 days, fine sand with the mud content of below 1% is scattered, gaps are swept for multiple times, water is immediately sprinkled after sweeping is finished each time, the gaps can be filled with the sand, and the sand does not sink any more after sprinkling.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a gardens are with sponge type road pavement structure which characterized in that: comprises a permeable surface brick layer (1), a permeable cushion layer (2), a leveling layer (3), a fixed grid layer (4), a base layer (5) and a cushion layer (6) which are sequentially arranged from top to bottom, wherein a plurality of funnel-shaped water collecting holes (31) are formed in the leveling layer (3), fiber clusters (32) are arranged in the water collecting holes (31), water collecting pipes (41) are arranged on the fixed grid layer (4), one ends of the water collecting pipes (41) are arranged corresponding to the water collecting holes (31), a water collecting tank (51) is arranged on the base layer (5), the water collecting pipes (41) are communicated and connected with the water collecting tank (51) after being gathered, a filter screen (52) is fixedly arranged in the water collecting tank (51) in an inclined manner, a recovery pipe (53) is communicated and connected with the side wall of the water collecting tank (51) below the filter screen (52), and the recovery tank (54) is communicated and connected with the recovery pipe (53), the recovery tank (54) is connected with an overground spray head (55) used for irrigating roadside green plants, a discharge hole (511) is formed in the side wall of the water collecting tank (51) above the filter screen (52), the base layer (5) is provided with an underground urban drainage pipeline (7), the underground urban drainage pipeline (7) is connected with the discharge hole (511) through a discharge pipe (58), and the water collecting tank (51) is provided with a discharge gate plate assembly (8) used for opening and closing the discharge hole (511); unloading flashboard subassembly (8) include that one end articulates unloading flashboard (81) on header tank (51) lateral wall and fixed return spring (82) that set up on the other end of unloading flashboard (81), and the sealed lid of unloading flashboard (81) is located on discharge opening (511) mounting hole (83) have been seted up on header tank (51), return spring (82) are installed in mounting hole (83), and the hole bottom fixed connection of one end and mounting hole (83).
2. The garden sponge type road pavement structure according to claim 1, characterized in that: the discharge hole (511) is arranged in a counter bore, and the caliber of the port of the discharge hole (511) facing the outer wall of the water collecting tank (51) is larger than the caliber of the port of the water collecting hole (31) facing the inner wall of the water collecting tank (51).
3. A garden sponge type road pavement structure according to claim 1 or 2, characterized in that: and a mounting groove is formed in the circumferential side wall of the discharging gate plate (81), and a sealing ring (9) is arranged in the mounting groove.
4. The garden sponge type road pavement structure according to claim 1, characterized in that: the fiber cluster (32) comprises cotton fibers, metal fibers and carbon fibers wrapped outside the cotton fibers and the metal fibers.
5. The garden sponge type road pavement structure according to claim 1, characterized in that: the overall height of the water collecting tank (51) is higher than that of the recovery tank (54).
6. The garden sponge type road pavement structure according to claim 1, characterized in that: the pipe orifice of the recovery pipe (53) is lower than the height of the fixed connection between the filter screen (52) and the water collection tank (51).
7. A garden sponge type pavement structure according to claim 1, 5 or 6, characterized in that: a guide groove (541) is formed in the side wall of the recovery box (54) communicated with the recovery pipe (53), the guide groove (541) is arranged along the height direction of the recovery box (54), a floating plate (56) is arranged in the guide groove (541) in a sliding mode, and a floating ball (57) is fixedly arranged at the lower end of the floating plate (56).
8. The garden sponge type road pavement structure according to claim 7, characterized in that: the sections of the guide groove (541) and the floating plate (56) are arranged in a T shape.
9. A construction method of a garden sponge type road pavement structure is characterized by comprising the following steps:
s1, construction control measurement, namely, digging the foundation deeply and then leveling the ground, wherein the compaction degree of the roadbed is more than 90%;
s2, paving a 50mm thick cushion layer (6) with the grain diameter of 15-25 on a roadbed, paving a 500mm thick base layer (5) on the cushion layer (6), installing a water collecting tank (51) and a recovery tank (54) communicated with the water collecting tank (51) on the base layer (5), and installing an underground city drainage pipeline (7) at the base layer (5) and communicating with the water collecting tank (51) through a discharge pipe (58);
s3, before the grid layer (4) is laid and fixed, erecting a plurality of water collecting pipes (41) above the base layer (5), arranging one ends of the water collecting pipes (41) to be communicated with the water collecting tank (51), and then laying and fixing the grid layer (4) above the base layer (5);
s4, paving a leveling layer (3) above the fixed grid layer (4), leveling and compacting the leveling layer (3) by using sand, sloping 1% towards two sides in the middle, wherein the deviation of the surface flatness is less than 5mm, reserving a plurality of funnel-shaped water collecting holes (31) on the leveling layer (3), one ends of the water collecting holes (31) are respectively communicated and connected with a water collecting pipe (41), and fiber clusters (32) are pre-buried in the water collecting holes (31);
s5, paving a water permeable cushion layer (2) on a leveling layer (3), paving the water permeable cushion layer (2) with the thickness of 80-100 mm, backfilling with broken stones with the particle size of 10-20 mm and the porosity of more than or equal to 30%, wherein the backfilling height is 200-250 mm, tamping and leveling the water permeable cushion layer (2) after paving, paving curb stones on two sides of the water permeable cushion layer (2), planting green plants on the curb side, arranging ground spray heads (55) at green plant positions, and connecting the ground spray heads (55) with a recovery box (54) through pipelines;
s6, after the permeable cushion layer (2) is laid, cement paste with the water cement ratio of 0.4-0.5 is dipped at the bottom of the permeable face brick and laid on the permeable cushion layer (2), watering maintenance is carried out after 24 hours of survival for 2-3 days, fine sand with the mud content of below 1% is scattered, the gap is swept for multiple times, and watering is carried out immediately after sweeping each time, so that the gap can be filled with the sand until the sand does not sink any more after watering.
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| CN110878506A (en) * | 2019-11-27 | 2020-03-13 | 云南省建设投资控股集团有限公司 | Sponge type greening road paving structure |
| CN111576260B (en) * | 2020-05-11 | 2021-12-28 | 中国电建集团华东勘测设计研究院有限公司 | Integrated management device for rainwater drainage before hidden culvert and drainage management method thereof |
| CN111851191B (en) * | 2020-09-01 | 2024-10-22 | 河南建筑材料研究设计院有限责任公司 | Permeable concrete brick and pavement |
| CN112962376A (en) * | 2021-02-22 | 2021-06-15 | 乐清市纳琦环保科技有限公司 | Sponge type road paving structure |
| CN113174804A (en) * | 2021-04-15 | 2021-07-27 | 浙江德正建设有限公司 | Sponge type road paving structure |
| CN113863072B (en) * | 2021-10-12 | 2022-09-16 | 广东深已建设工程有限公司 | Construction method for widening roadbed of concrete highway |
| CN115387185B (en) * | 2022-07-29 | 2024-12-17 | 云南楚姚高速公路有限公司 | Basic unit paving device for phosphogypsum road and application thereof |
| CN116289380A (en) * | 2023-04-28 | 2023-06-23 | 宁波市城市基础设施建设发展中心 | Sponge type road pavement structure for municipal administration and construction method of pavement structure |
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