CN209759933U - Rainwater rapid infiltration road surface structure - Google Patents
Rainwater rapid infiltration road surface structure Download PDFInfo
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- CN209759933U CN209759933U CN201821958089.2U CN201821958089U CN209759933U CN 209759933 U CN209759933 U CN 209759933U CN 201821958089 U CN201821958089 U CN 201821958089U CN 209759933 U CN209759933 U CN 209759933U
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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 utility model discloses a rainwater rapid infiltration road surface structure relates to road surface drainage field, and it is poor to have solved current road surface drainage, and the road bed easily receives the problem that the rainwater corrodes and collapses. The water-permeable colored surface layer is a whole pavement surface layer formed by a binder, pigment and gravels, the water-permeable bottom layer is a whole pavement lower surface layer formed by the binder and the gravels, the coarse sand leveling layer is formed by coarse sand, the water-collecting pipe is connected with a water purification pool, and the water purification pool is connected with a water storage pool. The utility model discloses the road surface water permeability that constitutes is good, but the infiltration function of leading of road bed is given full play to, avoids surface gathered water infiltration to advance plain soil under the road bed to cause the erosion to the road bed, has strengthened road surface drainage performance and road bed steadiness ability, has improved the rainwater utilization ratio.
Description
Technical Field
the utility model relates to a road surface drainage technical field, concretely relates to but full play road bed lead infiltration function, avoid the quick infiltration road surface structure of rainwater that plain soil under the road surface rainwater infiltration entry road bed caused the erosion to the road bed.
Background
With the continuous progress of science and technology, ecological environmental protection construction is increasingly emphasized, and various road reconstruction works are orderly carried out, wherein the road reconstruction in areas such as urban gardens, parking lots and the like occupies a certain proportion. The traditional road surface is mostly paved by asphalt, concrete, stone slab or cement brick, so the traditional road surface is called as a hard road surface. Its advantages are neat pavement, high strength, high durability and no water leakage, and the rainwater is directly used as sewage to be treated in rainfall. In areas with an unclogged drainage system, rain and sewage are easy to deposit on the road surface, and urban sanitation is seriously affected after domestic garbage is dissolved. In addition, the hard pavement is easy to absorb, store and reflect solar heat, so that the average temperature of the ground is increased, and the formation of urban heat island effect is aggravated, thereby causing environmental and ecological negative effects and being not beneficial to ecological balance and environmental protection. Meanwhile, the roadbed is easy to damage the stability of the plain soil structure under the road surface under the erosion of rainwater, rainwater is collected on the road surface to form hidden danger to the driving safety of passing vehicles, and rainwater resources cannot be well utilized.
SUMMERY OF THE UTILITY MODEL
For solving the defect that above-mentioned technique exists, the utility model provides a but the road bed is fully exerted to lead infiltration function, avoids the plain soil under the road surface rainwater infiltration entry road bed to cause the rainwater rapid infiltration road surface structure of erosion to the road bed.
The utility model discloses realize that the technical scheme that above-mentioned technological effect adopted does:
A rainwater rapid infiltration pavement structure comprises a plain soil layer, a geotechnical mat, a coarse sand leveling layer, a permeable bottom layer and a permeable color surface layer from bottom to top in sequence, wherein a non-woven geotextile is compounded inside the geotechnical mat, a plurality of water collecting pipes are arranged between the geotechnical mat and the coarse sand leveling layer or between the geotechnical mat and the plain soil layer, the water collecting pipes are connected with a water purifying pond which is connected with a water storage pond, the water collecting pipes are pipe bodies with regular pentagon cross sections, a water collecting cavity with one closed end and the other open end is arranged in each water collecting pipe, water inlets are arranged on pipe walls corresponding to the left side and the right side of the upper part of each water collecting pipe, filtering pieces are arranged in the water collecting pipes, water cavity channels are arranged on two sides of each filtering piece, the upper ends of the water cavity channels are communicated with the water inlets, the lower ends of the water cavity channels are communicated with the water, the both sides on the lower part base of collector pipe are equipped with a plurality of fixed plate feet that extend to one side down, be equipped with the bar mouth on the pipe wall that lower border department on both sides corresponds about the upper portion of collector pipe, the end opening edge of bar mouth is equipped with the collection board that extends to one side up, the collection board with the contained angle between the pipe wall on the corresponding upper portion limit of collector pipe is 90, the fixed plate foot with the contained angle between the pipe wall on the lower part base of collector pipe is 120.
According to the rainwater rapid infiltration pavement structure, the water infiltration colored surface layer is an integral pavement surface layer formed by the binder, the pigment and the gravel, and the thickness of the water infiltration colored surface layer is 9-10 cm.
According to the rainwater rapid infiltration pavement structure, the water permeable bottom layer is an integral pavement lower surface layer formed by the adhesive and the gravels, and the thickness of the water permeable bottom layer is 6-8 cm.
In the above pavement structure for rapid rainwater penetration, the coarse sand leveling layer is made of coarse sand, and the thickness of the coarse sand leveling layer is 20-25 cm.
the utility model has the advantages that: the utility model discloses a color surface course of permeating water and the bottom of permeating water can form the rainwater on road surface and permeate well, avoid the rainwater to stay in the road surface, and the rainwater that permeates down is through the coarse sand screed-coat primary filtration then by geotechnological mat detention hold up the collection, collects and discharges through the collector pipe at last and purifies in the water purification tank, and the rainwater after the purification reenters the cistern storage, and the rainwater of storage can obtain cyclic utilization. The utility model discloses a whole water permeability in road surface that rainwater permeates fast road surface structure constitutes is good, but the infiltration function of leading of road bed is given full play to the road bed, avoids surface gathered water infiltration entry road bed to cause the erosion to the road bed, has strengthened road surface drainage performance and road bed steadiness ability, has improved the rainwater utilization ratio.
Drawings
Fig. 1 is a perspective layered view of a first embodiment of the present invention;
Fig. 2 is a perspective layered view of a second embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of the water collecting pipe of the present invention;
fig. 4 is a perspective view of the water collecting pipe of the present invention.
Detailed Description
in order to be right the utility model discloses a rainwater rapid infiltration road surface structure's technical characteristic, purpose and effect have clearer understanding, and it is right with concrete embodiment now the utility model discloses a rainwater rapid infiltration road surface structure explains.
Example 1:
As shown in fig. 1, fig. 3 and fig. 4, the utility model provides a rainwater rapid infiltration road surface structure, this road surface structure include plain soil layer 5, geotechnological mat 4, coarse sand screed-coat 3, the bottom 2 and the color surface course 1 that permeates water under to in proper order. A plurality of water collecting pipes 6 are arranged between the geotechnical mat 4 and the coarse sand leveling layer 3. The water collecting pipe 6 comprises a pipe body with a regular pentagon cross section, and a water collecting cavity 62 with one closed end and the other open end is arranged in the water collecting pipe 6. During installation, the closed end pipe orifice of the water collecting cavity 62 in the water collecting pipe 6 is arranged in the middle of the roadbed, the open end pipe orifice of the water collecting cavity 62 in the water collecting pipe 6 is arranged on two sides of the roadbed, wherein the horizontal plane position of the closed end pipe orifice is higher than that of the open end pipe orifice, so that water flowing into the water collecting cavity 62 can naturally flow out under the action of gravity. The water inlets 66 are arranged on the corresponding pipe walls of the left side and the right side of the upper part of the water collecting pipe 6, the filtering piece 7 is arranged in the water collecting pipe 6, the water passing cavity channel 8 is arranged on the two sides of the filtering piece 7, and the upper end of the water passing cavity channel 8 is communicated with the water inlets 66. The water filtered through the water passage channels 8 on both sides of the filtering member 7 can flow into the water collecting chamber 62 and then be discharged from the open end of the water collecting chamber 62 into a drainage channel outside the roadbed. The lower end of the water passing cavity channel 8 is communicated with the water collecting cavity 62, a plurality of fixing plate feet 65 which extend obliquely downwards are arranged on two sides of the bottom edge of the lower part of the water collecting pipe 6, and the fixing plate feet 65 are used for being pricked into roadbed soil to fix the pipe body of the water collecting pipe 6. The pipe wall that lower line department of both sides corresponds about the upper portion of collector pipe 6 is equipped with bar mouth 64, and the lower mouthful edge of this bar mouth 64 is equipped with the collecting board 63 that extends in the slant, and collecting board 63 can increase the area of contact of collector pipe 6 rather than the top soil in the slant, increases water collection efficiency.
In particular, in a preferred embodiment of the present invention, the angle between the collecting plate 63 and the wall of the water collecting pipe 6 corresponding to the upper side is 90 °. In the preferred embodiment of the present invention, the included angle between the fixing plate leg 65 and the wall of the lower bottom edge of the water collecting pipe 6 is 120 °, and the fixing plate leg 65 at this angle makes the water collecting pipe 6 firmly fixed and tied in the roadbed soil. The water passage channel 8 has an upper cavity channel 81 and a lower cavity channel 82, the upper cavity channel 81 is communicated with the water inlet 66, and the lower cavity channel 62 is communicated with the water collection cavity 62. The roadbed soil is squeezed at the water inlet 66, and water in the soil flows into the upper cavity opening 81 of the water cavity channel 8 through the water inlet 66 under the action of pressure and then is converged into the water collecting cavity 62 in the water collecting pipe 6 through the lower cavity opening 82 of the water cavity channel 8. The filter member 7 has a plurality of support ribs 71 integrally formed on both left and right side wall surfaces thereof in the length direction thereof, and the distance between the support ribs 71 is larger than the caliber of the upper cavity opening 61. Specifically, in the preferred embodiment of the present invention, the outer end face of the supporting plate rib 71 is adapted to the inner wall of the water collecting pipe 6, two opposite fixing clip ribs 61 are disposed inside the water collecting pipe 6, the two sides of the lower end face of the supporting plate rib 71 abut against the corresponding fixing clip ribs 61, and the fixing clip ribs 61 are integrally formed on the inner wall of the water collecting pipe 1.
Specifically, in the preferred embodiment of the present invention, the geotechnical mat 4 can be constructed by laying crushed stones with corresponding specifications and sizes and gaps according to the soil condition of different road sections. The water collecting pipe 6 is connected with a water purifying tank, the water purifying tank is connected with a water storage tank, rainwater collected through the water collecting pipe 6 flows into the water storage tank to be accumulated after the water purifying tank is subjected to purification treatment, the rainwater can be used as a water source, and the rainwater can be used as daily drinking water after the disinfection and purification treatment at the drinking water level, so that the utilization efficiency of the rainwater is greatly improved. Meanwhile, rainwater can be prevented from accumulating on the road surface, and the stability of the roadbed is also enhanced.
Specifically, in the above-mentioned rapid rainwater penetration pavement structure, the water penetration color surface layer is an integral pavement surface layer formed by a binder, a pigment and gravels, and the thickness is 9-10 cm. The water-permeable colorful surface layer 1 can set the surface layer of the road surface into different colors through the pigment, has obvious effect and can be widely applied to outdoor playground road surfaces and other various road sections. The permeable bottom layer is an integral pavement lower surface layer formed by adhesive and gravel, and the thickness of the permeable bottom layer is 6-8 cm. The binder may be in any form, having voids to bind and fix the gravel together. The coarse sand leveling layer 3 is made of coarse sand and has the thickness of 2-3 cm. The width of the geotechnical mat 4 is 150cm-200 cm, the thickness is 20cm-30cm, and the compressive strength is 200-500 kpa. The geotechnical mat 4 is formed by melting and lapping the disordered wires, has high pressure resistance and large hole density, and has the functions of all-round water collection and horizontal drainage. The composite structure is a three-dimensional geonet core, and both sides of the geonet core are provided with needle punched non-woven geotextiles. The three-dimensional geotechnical mat can rapidly discharge underground water, and is also provided with a pore maintenance system which can block capillary water under high load. Meanwhile, the device can also play a role in isolation and reinforcement. After the geotechnical mat 4 is compounded with the non-woven geotextile, rainwater penetrating through the soil covering layer or sewage discharged from a storage yard can be collected under the buried sealing covering layer, and the rainwater or the sewage is orderly discharged from the interlayer of the geotechnical mat according to engineering requirements by utilizing the unique drainage function of the geotextile without forming silting. The potential slip problems due to saturation of the soil cover with water can thus be avoided.
Example 2:
As shown in fig. 2, fig. 3 and fig. 4, the utility model provides a rainwater rapid infiltration road surface structure, this road surface structure include plain soil layer 5, geotechnological mat 4, coarse sand screed-coat 3, the bottom 2 and the color surface course 1 that permeates water under to in proper order. A plurality of water collecting pipes are arranged between the geotechnical mat 4 and the plain soil layer 5. The water collecting pipe 6 comprises a pipe body with a regular pentagon cross section, and a water collecting cavity 62 with one closed end and the other open end is arranged in the water collecting pipe 6. During installation, the closed end pipe orifice of the water collecting cavity 62 in the water collecting pipe 6 is arranged in the middle of the roadbed, the open end pipe orifice of the water collecting cavity 62 in the water collecting pipe 6 is arranged on two sides of the roadbed, wherein the horizontal plane position of the closed end pipe orifice is higher than that of the open end pipe orifice, so that water flowing into the water collecting cavity 62 can naturally flow out under the action of gravity. The water inlets 66 are arranged on the corresponding pipe walls of the left side and the right side of the upper part of the water collecting pipe 6, the filtering piece 7 is arranged in the water collecting pipe 6, the water passing cavity channel 8 is arranged on the two sides of the filtering piece 7, and the upper end of the water passing cavity channel 8 is communicated with the water inlets 66. The water filtered through the water passage channels 8 on both sides of the filtering member 7 can flow into the water collecting chamber 62 and then be discharged from the open end of the water collecting chamber 62 into a drainage channel outside the roadbed. The lower end of the water passing cavity channel 8 is communicated with the water collecting cavity 62, a plurality of fixing plate feet 65 which extend obliquely downwards are arranged on two sides of the bottom edge of the lower part of the water collecting pipe 6, and the fixing plate feet 65 are used for being pricked into roadbed soil to fix the pipe body of the water collecting pipe 6. The pipe wall that lower line department of both sides corresponds about the upper portion of collector pipe 6 is equipped with bar mouth 64, and the lower mouthful edge of this bar mouth 64 is equipped with the collecting board 63 that extends in the slant, and collecting board 63 can increase the area of contact of collector pipe 6 rather than the top soil in the slant, increases water collection efficiency.
In particular, in a preferred embodiment of the present invention, the angle between the collecting plate 63 and the wall of the water collecting pipe 6 corresponding to the upper side is 90 °. In the preferred embodiment of the present invention, the included angle between the fixing plate leg 65 and the wall of the lower bottom edge of the water collecting pipe 6 is 120 °, and the fixing plate leg 65 at this angle makes the water collecting pipe 6 firmly fixed and tied in the roadbed soil. The water passage channel 8 has an upper cavity channel 81 and a lower cavity channel 82, the upper cavity channel 81 is communicated with the water inlet 66, and the lower cavity channel 62 is communicated with the water collection cavity 62. The roadbed soil is squeezed at the water inlet 66, and water in the soil flows into the upper cavity opening 81 of the water cavity channel 8 through the water inlet 66 under the action of pressure and then is converged into the water collecting cavity 62 in the water collecting pipe 6 through the lower cavity opening 82 of the water cavity channel 8. The filter member 7 has a plurality of support ribs 71 integrally formed on both left and right side wall surfaces thereof in the length direction thereof, and the distance between the support ribs 71 is larger than the caliber of the upper cavity opening 61. Specifically, in the preferred embodiment of the present invention, the outer end face of the supporting plate rib 71 is adapted to the inner wall of the water collecting pipe 6, two opposite fixing clip ribs 61 are disposed inside the water collecting pipe 6, the two sides of the lower end face of the supporting plate rib 71 abut against the corresponding fixing clip ribs 61, and the fixing clip ribs 61 are integrally formed on the inner wall of the water collecting pipe 1.
According to the condition of the plain soil quality of different road sections, the geotechnical mat 4 can be formed by paving broken stones with corresponding specifications and sizes and gaps. The water collecting pipe 6 is connected with a water purifying tank, the water purifying tank is connected with a water storage tank, rainwater collected through the water collecting pipe 6 flows into the water storage tank to be accumulated after the water purifying tank is subjected to purification treatment, the rainwater can be used as a water source, and the rainwater can be used as daily drinking water after the disinfection and purification treatment at the drinking water level, so that the utilization efficiency of the rainwater is greatly improved. Meanwhile, rainwater can be prevented from accumulating on the road surface, and the stability of the roadbed is also enhanced.
Specifically, in the above-mentioned rapid rainwater penetration pavement structure, the water-permeable colored surface layer 1 is an integral pavement surface layer formed by a binder, a pigment and gravels, and the thickness is 3-5 cm. The water-permeable colorful surface layer 1 can set the surface layer of the road surface into different colors through the pigment, has obvious effect and can be widely applied to outdoor playground road surfaces and other various road sections. The permeable bottom layer 2 is an integral pavement lower surface layer formed by adhesive and gravel, and the thickness is 5-9 cm. The binder may be in any form, having voids to bind and fix the gravel together. The coarse sand leveling layer 3 is made of coarse sand and has the thickness of 2-3 cm. The width of the geotechnical mat 4 is 150cm-200 cm, the thickness is 20cm-30cm, and the compressive strength is 200-500 kpa. The geotechnical mat 4 is formed by melting and lapping the disordered wires, has high pressure resistance and large hole density, and has the functions of all-round water collection and horizontal drainage. The composite structure is a three-dimensional geonet core, and both sides of the geonet core are provided with needle punched non-woven geotextiles. The three-dimensional geonet core can rapidly discharge underground water, and the three-dimensional geonet core is also provided with a pore maintenance system which can block capillary water under high load. Meanwhile, the device can also play a role in isolation and reinforcement. After the geotechnical mat 4 is compounded with the non-woven geotextile, rainwater penetrating through the soil covering layer or sewage discharged from a storage yard can be collected under the buried sealing covering layer, and the rainwater or the sewage is orderly discharged from the interlayer of the geotechnical mat according to engineering requirements by utilizing the unique drainage function of the geotextile without forming silting. The potential slip problems due to saturation of the soil cover with water can thus be avoided.
Specifically, in the above-mentioned rainwater rapid infiltration road surface structure, the water collecting pipe 6 includes the hollow pipe body 61, is equipped with the opening 67 on the upside pipe wall of hollow pipe body 61, and the intraductal drainage piece 62 that is equipped with the cross section of hollow pipe body 61 is, and the both sides of drainage piece 62 are equipped with water channel 63. The upper passage port 64 of the water passage 63 communicates with the opening 67, and the lower passage port 65 of the water passage 63 communicates with the lumen 66 of the hollow tubular body 61. Rainwater permeating into the ground under the roadbed enters the water passing channel 63 through the upper channel opening 64 of the water filtering piece 62, then enters the pipe cavity 66 through the lower channel opening 65 and is collected in the hollow pipe body 61, and the water filtering piece 62 also ensures that silt cannot run off along with flowing water during water filtering.
Specifically, in the water collecting pipe of the above-mentioned type, the inner wall of the hollow pipe body 61 is provided with the opposite fixing and limiting clamping ribs 68, and both sides of the lower end surface of the water filtering member 62 abut against the upper surfaces of the fixing and limiting clamping ribs 68. The two sides of the water filtering piece 62 are circular arc-shaped and are matched with the inner pipe wall of the hollow pipe body 61. The fixing limit rib 68 is integrally formed on the inner wall of the hollow tube 61.
To sum up, the utility model discloses a color surface course of permeating water and the bottom of permeating water can form the rainwater on road surface and permeate well, avoid the rainwater to stay on the road surface, and the rainwater that permeates down is through the coarse sand screed-coat primary filtration then by geotechnological mat detention hold up the collection, collects and discharges through the collector pipe at last and purifies in the water purification tank, and the rainwater after the purification reenters the cistern storage, and the rainwater of storage can obtain cyclic utilization. The utility model discloses a whole water permeability in road surface that rainwater permeates fast road surface structure constitutes is good, but the infiltration function of leading of road bed is given full play to the road bed, avoids surface gathered water infiltration entry road bed to cause the erosion to the road bed, has strengthened road surface drainage performance and road bed steadiness ability, has improved the rainwater utilization ratio. The three-dimensional geotechnical mat can rapidly discharge underground water, and is also provided with a pore maintenance system which can block capillary water under high load. Meanwhile, the device can also play a role in isolation and reinforcement. After the geotechnical mat is compounded with the non-woven geotechnical cloth, rainwater penetrating through the soil covering layer or sewage discharged from a storage yard can be collected under the buried sealing covering layer, and the rainwater or the sewage is orderly discharged from the interlayer of the geotechnical mat according to engineering requirements by utilizing the unique drainage function of the rainwater or the sewage without forming silting. The potential slip problems due to saturation of the soil cover with water can thus be avoided. The collector pipe adopts wide-mouthed formula polygon design, and collection water efficiency is higher, can collect the discharge with permeating the rainwater under the road bed more rapidly, can not cause silt to run off simultaneously, has guaranteed the structural stability of road bed. Polygonal appearance structure of collector pipe is favorable to it to bury more firmly and establishes in the underground, compares the circular shape body and has increased the area of contact with soil, more is favorable to gathering of secret infiltration water and discharges. The fixing plate feet which are arranged on the two sides of the bottom edge of the lower part of the water collecting pipe and extend downwards in an inclined mode enhance the connection fixing performance of the water collecting pipe and the soil inside the roadbed. Be equipped with the bar mouth on the pipe wall that lower boundary department on both sides corresponds about the upper portion of collector pipe, the end opening edge of bar mouth is equipped with the collection board that extends in the slant, and this collection board has increased the area that converges of collector pipe for water collection efficiency is higher.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the foregoing embodiments and the description with reference to the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications fall within the scope of the invention as claimed, which is defined by the claims appended hereto and their equivalents.
Claims (6)
1. The utility model provides a rainwater rapid infiltration road surface structure, its characterized in that, rainwater rapid infiltration road surface structure includes plain soil layer, level and joins in marriage metalling, coarse sand screed-coat, the bottom of permeating water and the chromatic surface course that permeates water under to in proper order, level join in marriage the metalling with perhaps between the coarse sand screed-coat the level join in marriage the metalling with be equipped with a plurality of T type collector pipes between the plain soil layer, T type collector pipe connection has the water purification pond, the cistern is connected to the water purification pond.
2. The rapid rainwater penetration pavement structure according to claim 1, wherein the water-permeable colored surface layer is a pavement surface layer integrated by a binder, a pigment and gravels and has a thickness of 3-5 cm.
3. The rapid rainwater penetration pavement structure according to claim 2, wherein the water permeable bottom layer is a pavement subsurface layer integrated by adhesive and gravel, and the thickness of the pavement subsurface layer is 5-9 cm.
4. A rapid rainwater penetration pavement structure according to claim 3, wherein said coarse sand leveling layer is made of coarse sand and has a thickness of 2-3cm, and said graded gravel layer is made of 20-30cm thick gravel layer.
5. The rapid rainwater penetration pavement structure according to claim 1, wherein the T-shaped water collection pipe comprises a hollow pipe body, an opening is formed in an upper pipe wall of the hollow pipe body, a water filtering member with a T-shaped cross section is arranged in the hollow pipe body, water passing channels are arranged on two sides of the water filtering member, upper channel ports of the water passing channels are communicated with the opening, lower channel ports of the water passing channels are communicated with the pipe cavity of the hollow pipe body, opposite fixing and limiting clamping ribs are arranged on the inner pipe wall of the hollow pipe body, and two sides of a lower end surface of the water filtering member abut against the upper surfaces of the fixing and limiting clamping ribs.
6. the structure of claim 5, wherein the two sides of the water filter are arc-shaped and fit with the inner wall of the hollow pipe, and the fixing and limiting ribs are integrally formed on the inner wall of the hollow pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821958089.2U CN209759933U (en) | 2018-11-26 | 2018-11-26 | Rainwater rapid infiltration road surface structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821958089.2U CN209759933U (en) | 2018-11-26 | 2018-11-26 | Rainwater rapid infiltration road surface structure |
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| CN209759933U true CN209759933U (en) | 2019-12-10 |
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| CN201821958089.2U Active CN209759933U (en) | 2018-11-26 | 2018-11-26 | Rainwater rapid infiltration road surface structure |
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2018
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Effective date of registration: 20191212 Address after: Room B212, Building 2, Innovation Center, Kechuang District, Mianyang City, Sichuan Province, 621000 Patentee after: Sichuan handsome Technology Group Co., Ltd. Address before: Room 416-417, 4th Floor, A Gathering Port, 199 Yueshan North Road, Urumqi High-tech Industrial Development Zone, Xinjiang Uygur Autonomous Region Patentee before: Xinjiang Lianggu Science and Technology Co., Ltd. |
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Effective date of registration: 20200430 Address after: 200120, C building, No. two, 888 West Road, Pudong New Area, Shanghai Patentee after: Shanghai Lianggu Ecological Environment Technology Co., Ltd Address before: Room B212, Building 2, Innovation Center, Kechuang District, Mianyang City, Sichuan Province, 621000 Patentee before: SICHUAN LGLITTER TECHNOLOGY GROUP Co.,Ltd. |
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