CN211498343U - Urban road structure of mating formation that permeates water - Google Patents
Urban road structure of mating formation that permeates water Download PDFInfo
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- CN211498343U CN211498343U CN201921577272.2U CN201921577272U CN211498343U CN 211498343 U CN211498343 U CN 211498343U CN 201921577272 U CN201921577272 U CN 201921577272U CN 211498343 U CN211498343 U CN 211498343U
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Abstract
The utility model discloses an urban road structure of mating formation that permeates water, including the pitch surface course that permeates water, the concrete structure layer and the basic unit that permeate water that set gradually from top to bottom, be provided with a plurality of vertical pipes that are used for the downward guide of the water that will permeate water pitch surface course infiltration between basic unit and the pitch surface course that permeates water, vertical pipe passes the concrete structure layer that permeates water, the upper end of vertical pipe with the pitch surface course that permeates water communicates with each other, and the lower extreme of vertical pipe communicates with each other with the basic unit, is provided with the drain pipe of laying along urban road extending direction in the basic unit, and the pipe wall of drain pipe is provided with and is used for the confession intraformational. The urban road permeable pavement structure can effectively solve a series of problems of low strength, limited application range, easy blockage, difficult repair and the like caused by the special large pore structure of common permeable concrete.
Description
Technical Field
The utility model belongs to the technical field of the urban road permeates water, specifically is a structure of mating formation permeates water of urban road is related to.
Background
With the development of national economy, the urbanization construction is accelerated, the construction of traffic infrastructure is increasingly perfected, and more natural permeable ground and road surfaces are covered by impermeable materials. On the one hand, the urban flood disasters are serious due to the fact that a large amount of surface runoff is caused by the impervious pavement. On the other hand, the amount of water penetrating into the ground is reduced, the underground water level is continuously reduced, the urban heat island effect is caused, and the ecological environment is seriously damaged. Thus, the country has proposed and vigorously called for the construction of "sponge cities", i.e., cities that should have a good ability to absorb, store, purify, and permeate water during rainfall events.
The pervious concrete is rapidly developed as a key material of a sponge city, but in the actual use process, due to the special structure of the pervious concrete, relatively large pores exist in the interior and the surface of the pervious concrete, stress concentration is easy to occur at the tips of the pores under the load effect, cracks are easy to damage and expand, a series of problems such as pavement cracking and surface layer particle shedding are easy to occur, no quick repairing method is available due to mechanical property damage or blockage damage, the service life of the pervious concrete is greatly shortened, the application of the pervious concrete is limited to pavement of low-load and low-speed roads, the pervious concrete cannot be normally applied to dynamic load roads in cities, and the application universality of the pervious concrete is greatly limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the above-mentioned prior art, provide a city road structure of mating formation that permeates water. The urban road permeable pavement structure can effectively solve a series of problems of low strength, limited application range, easy blockage, difficult repair and the like caused by the special large pore structure of common permeable concrete.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an urban road structure of mating formation that permeates water which characterized in that: including the pitch surface course that permeates water, the concrete structure layer and the basic unit that permeate water that from top to bottom set gradually, be provided with between basic unit and the pitch surface course that permeates water a plurality of be used for with the vertical pipe of the infiltration of pitch surface course guide downwards permeates water, vertical pipe passes the concrete structure layer that permeates water, the upper end of vertical pipe with the pitch surface course that permeates water communicates with each other, the lower extreme of vertical pipe with the basic unit communicates with each other, be provided with the drain pipe of laying along urban road extending direction in the basic unit, the pipe wall of drain pipe is provided with and is used for the confession intraformational water of basic unit gets into its interior inlet opening.
Foretell urban road structure of mating formation that permeates water, its characterized in that: the inner diameter of the vertical conduit is 5 mm-10 mm, and the thickness of the tube wall of the vertical conduit is 1 mm-3 mm.
Foretell urban road structure of mating formation that permeates water, its characterized in that: the device comprises a grid plate for fixing the vertical conduit, wherein the lower end of the vertical conduit is fixed on the grid plate.
Foretell urban road structure of mating formation that permeates water, its characterized in that: the grid plate and the vertical conduit are integrally formed to form a water guide support; the vertical conduit upwards passes through the geotextile layer, and the grid plate is positioned below the geotextile layer.
Foretell urban road structure of mating formation that permeates water, its characterized in that: and a filter layer is arranged on the outer wall of the drain pipe.
Foretell urban road structure of mating formation that permeates water, its characterized in that: the basic unit is including the metalling, absorbed layer, two cloth retes, grey soil layer and the soil basic unit that from top to bottom set gradually.
Foretell urban road structure of mating formation that permeates water, its characterized in that: the permeable asphalt surface layer and the permeable concrete structure layer are bonded through a permeable layer, and the permeable layer is made by spraying emulsified asphalt.
Foretell urban road structure of mating formation that permeates water, its characterized in that: the gravel layer is a graded gravel layer, the particle size of gravel in the gravel layer is 5-25 mm, the absorption layer is a ceramsite absorption layer, and the particle size of ceramsite in the absorption layer is 5-20 mm.
Foretell urban road structure of mating formation that permeates water, its characterized in that: the absorption layer is provided with a water collecting tank, and the drain pipe is arranged in the water collecting tank.
Foretell urban road structure of mating formation that permeates water, its characterized in that: the cross section of the water collecting tank is in an inverted trapezoid shape.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses compressive strength, rupture strength all can design according to ordinary concrete ratio, compare with ordinary pervious concrete, and the intensity assurance rate is high, effectively avoids common pervious concrete to destroy the problem because of the relatively poor fracture that produces of its mechanical properties, can promote the application range of pervious concrete to road surface structures such as dynamic load traffic by static load or low-speed load such as park, pedestrian path, parking area, have promoted the extensive nature that the pervious concrete used.
2. The utility model discloses a mode of permeating water is that the even straight line of fixed aperture permeates water, compares ordinary concrete gap curve process of permeating water that permeates water, is difficult for taking place blocking phenomenon. The concrete has the characteristics of high strength and difficult blockage, and the service life of the concrete is far longer than that of common pervious concrete.
3. The utility model discloses a bituminous concrete and the structure collocation use of permeating water permeate water, the maintenance is simple and easy, with low costs.
4. The utility model discloses in contain the haydite absorbed layer that excels in, except realizing rainy day collection rain drainage function, can realize the collection and the reverse release to the rainwater, help realizing city "breathing" function, effectively alleviate urban waterlogging and heat island effect problem.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
In order to illustrate the technical solutions of the present invention or the prior art more clearly, the following brief description of the embodiments or the drawings used in the description of the prior art will be made, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the cross section of the present invention.
Fig. 2 is an enlarged view of a point a in fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 1.
Fig. 4 is a cross-sectional view taken along line C-C of fig. 1.
Fig. 5 is a schematic structural view of the water guide support composed of the middle grid plate and the vertical conduit of the present invention.
Description of reference numerals:
1-a permeable asphalt surface course; 2-a permeable layer; 3, a pervious concrete structure layer;
4 a-a vertical conduit; 4 b-a grid plate; 5, a geotextile layer;
6-a base layer; 6 a-a crushed stone layer; 6 b-an absorbing layer;
6c, two films are distributed one film layer; 6 d-lime soil layer; 6 e-a soil base layer;
7, a water collecting tank; 8, a water drainage pipe; 8 a-a water inlet hole;
9-a filter layer.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of implementation in many different ways than those herein set forth and of similar import by those skilled in the art without departing from the spirit of this application and is therefore not limited to the specific implementations disclosed below.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the urban road permeable pavement structure comprises a permeable asphalt surface layer 1, a permeable concrete structure layer 3 and a base layer 6, wherein the permeable asphalt surface layer 1, the permeable concrete structure layer 3 and the base layer 6 are sequentially arranged from top to bottom, namely, the permeable asphalt surface layer 1 is positioned above the base layer 6, and the permeable concrete structure layer 3 is positioned between the permeable asphalt surface layer 1 and the base layer 6.
Be provided with a plurality of vertical pipes 4a between basic unit 6 and the pitch surface course 1 that permeates water, vertical pipe 4 a's effect is used for the water guide downwards that permeates water pitch surface course 1 that permeates water, and vertical pipe 4a passes pervious concrete structure layer 3 along vertical direction, and vertical pipe 4 a's upper end communicates with each other with pitch surface course 1 that permeates water, and vertical pipe 4 a's lower extreme communicates with each other with basic unit 6. The inner diameter of the vertical conduit 4a is 5 mm-10 mm, and the thickness of the tube wall of the vertical conduit 4a is 1 mm-3 mm.
As shown in fig. 5, the lower end of the vertical duct 4a is fixed to the mesh plate 4b, and the mesh holes of the mesh plate 4b constitute water permeable holes for allowing water to flow downward. Preferably, the grid plate 4b and the vertical conduit 4a are integrally formed to form the water guide bracket 4.
The vertical conduit 4a upwards passes through the geotextile layer 5, the grid plate 4b is positioned below the geotextile layer 5, the vertical conduit 4a passes through the geotextile layer 5, and the upper end of the vertical conduit 4a is positioned above the geotextile layer 5. The thickness of the geotextile layer 5 is 6-10 mm, and the grid plate 4b and the vertical conduit 4a are both made of glass fiber reinforced plastics or steel.
Be provided with in the basic unit 6 along the drain pipe 8 that urban road extending direction laid, the pipe wall of drain pipe 8 is provided with inlet opening 8a, and the quantity of inlet opening 8a is a plurality of for evenly distributed, and inlet opening 8 a's effect supplies in the water entering drain pipe 8 in the basic unit 6.
The outer wall of the drain pipe 8 is wrapped by a filter layer 9, and in this embodiment, the filter layer 9 is preferably made of geotextile.
The permeable asphalt surface layer 1 and the permeable concrete structure layer 3 are bonded through the permeable layer 2, and the permeable layer 2 is made by spraying emulsified asphalt.
The base layer 6 comprises a gravel layer 6a, an absorption layer 6b, two film layers 6c, a lime soil layer 6d and a soil base layer 6e which are sequentially arranged from top to bottom.
The crushed stone layer 6a is a graded crushed stone layer, the particle size of the crushed stone in the crushed stone layer 6a is 5 mm-25 mm, the absorption layer 6b is a ceramsite absorption layer, and the thickness of the absorption layer 6b is 50 mm-100 mm.
The absorption layer 6b is provided with a water collection tank 7, and a drain pipe 8 is arranged in the water collection tank 7. In this embodiment, it is preferable that the cross section of the water collection tank 7 is an inverted trapezoid.
With reference to fig. 1, 2, 3 and 4, when the urban road water-permeable pavement structure is used, water in the water-permeable asphalt surface layer 1 mainly permeates downwards through the vertical conduit 4a, enters the absorption layer 6b through the rubble layer 6a, then enters the drain pipe 8 along the radial direction through the water inlet hole 8a, and is discharged to the municipal pipe network through the drain pipe 8, so that the water-permeable and water-discharging effects are achieved.
As described above, by providing the vertical conduit 4a, the permeable asphalt surface layer 1 can be guided downward in a fixed aperture manner to perform uniform straight line permeable, and compared with the permeable concrete gap curve permeable process, the blocking phenomenon is not likely to occur, and the service life of the permeable concrete is longer than that of common permeable concrete. The problem of cracking damage of common pervious concrete caused by poor mechanical property is effectively avoided, the application range of the pervious concrete can be popularized to pavement structures such as dynamic load traffic from static loads or low-speed loads of parks, pedestrian ways, parking lots and the like, and the application universality of the pervious concrete is promoted.
As shown in fig. 5, the grid plate 4b is provided with a plurality of grid holes, so that the moisture in the permeable concrete structure layer 3 can also permeate downwards through the grid holes on the grid plate 4b, and the straight line water permeation of the vertical conduit 4a and the downward water permeation of the grid holes on the grid plate 4b are combined, so that the downward water permeation performance of the permeable concrete structure layer 3 is effectively improved. At the same time, the vertical conduit 4a is provided with effective support by the grid plate 4 b.
As described above, the inner diameter of the vertical conduit 4a is 5mm to 10mm, and the wall thickness of the vertical conduit 4a is 1mm to 3 mm. The upper end of the vertical conduit 4a is 1 cm-3 cm higher than the pervious concrete structure layer 3.
The number of the vertical conduits 4a is calculated according to the porosity, and the design porosity and water permeability coefficient corresponding table is as follows:
| design porosity (%) | 0.15 | 0.30 | 0.45 | 0.60 | 1.20 |
| Coefficient of water permeability (mm/s) | 0.50 | 1.05 | 1.58 | 2.20 | 4.80 |
The number n of vertical ducts 4a is calculated by the following formula,
n ═ design porosity)/(3.14 × (D/2)), where D is the internal diameter of vertical conduit 4 a;
for example, it is required that the water permeability coefficient is 0.5mm/s, that is, the design porosity is 0.15%, and in the case where the inner diameter of the vertical ducts 4a is selected to be 5mm, the void per square meter is calculated to be 0.0015 square meters, and the area of each hole is 0.0000196 square meters, then 76 vertical ducts 4a per square meter are required.
As described above, with reference to fig. 1, by wrapping the filter layer 9 on the outer wall of the drain pipe 8, the small particles in the absorption layer 6b can be effectively prevented from entering and causing the water inlet 8a on the drain pipe 8 to be blocked.
As described above, by providing the geotextile layer 5, an effective isolation effect can be achieved, that is, when the pervious concrete is poured to form the pervious concrete structure layer 3, the pervious concrete slurry is prevented from permeating the lower gravel layer 6 a.
As described above, by providing the absorption layer 6b to store water, excess water is discharged through the drain pipe 8. Besides the function of rainwater collection and drainage in rainy days, the absorption layer 6b can collect and reversely release rainwater, so that the function of urban respiration is realized, and the problems of urban waterlogging and heat island effect are effectively solved.
As above, through setting up two cloth rete 6c, can effectually play the water proof effect, avoid water to infiltrate into soil layer 6d and soil substrate 6e downwards to play the effect of protection ground, especially to collapsible loess area.
As described above, the urban road water-permeable pavement structure mainly bears the load through the water-permeable concrete structure layer 3, the gravel layer 6a, the absorption layer 6b, the lime soil layer 6d and the soil foundation layer 6e, and the bearing capacity is stronger and stronger according to the sequence from bottom to top, namely the soil foundation layer 6e, the lime soil layer 6d, the absorption layer 6b, the gravel layer 6a and the water-permeable concrete structure layer 3.
In this embodiment, in order to meet the load-bearing requirement, the pervious concrete structure layer 3 may be prepared according to the design strength requirement, the gravel layer 6a is a graded gravel layer, the particle size of the gravel in the gravel layer 6a is 5-25 mm, the absorption layer 6b is a ceramsite absorption layer, and the thickness of the absorption layer 6b is 50-100 mm.
As described above, the permeable asphalt pavement 1 and the permeable concrete structural layer 3 can be effectively bonded by spraying the emulsified asphalt into the permeable layer 2.
As mentioned above, the water collecting grooves 7 are arranged in the absorption layer 6b, and correspondingly, the water collecting grooves 7 of the lime soil layer 6d and the soil base layer 6e are also formed with groove-shaped structures matched with the shapes of the water collecting grooves 7. The cross section of water catch bowl 7 is for falling trapezoidal, can be fine like this collect water in water catch bowl 7 to made things convenient for water to get into in the drain pipe 8 through inlet opening 8 a.
The utility model also discloses a construction method of urban road permeable pavement structure, including following step:
step 1, measuring and paying off;
step 4, paving uniformly mixed lime and clay on the soil base layer 6e, and rolling and compacting to form a lime-soil layer (6d), wherein the volume ratio of the lime to the clay is 3:7, the thickness of the lime-soil layer (6d) is 150-200 mm, and the compaction coefficient is not less than 93%;
Step 6, a plurality of water drainage pipes 8 which are sequentially connected end to end are laid in a water collection tank 7 which is arranged above the two film layers 6c and corresponds to the extension tank, a plurality of water inlet holes 8a are formed in the side wall of each water drainage pipe 8, geotechnical cloth is wrapped on the outer wall of each water drainage pipe 8 to form a filter layer 9, the water drainage pipes 8 are made of PE solid-wall pipes, and the water drainage pipes 8 are sequentially connected end to end in a hot melting connection mode;
9, placing a water guide support 4 consisting of a grid plate 4b and a vertical conduit 4a arranged on the grid plate 4b on the gravel layer 6 a;
step 10, laying geotextile on the grid plate 4b to form a geotextile layer 5, wherein the thickness of the geotextile layer 5 is 6-10 mm, and enabling the vertical conduit 4a to penetrate through the geotextile layer 5,
step 11, pouring concrete on the geotextile layer 5 to form a permeable concrete structure layer 3, wherein the thickness of the permeable concrete structure layer 3 is 50-100 mm; the vertical conduit 4a is higher than the pervious concrete structure layer 3 by 2-3 cm, and is cut and removed after the concrete is hardened;
Step 13, spraying emulsified asphalt on the pervious concrete structure layer 3 to form a permeable layer 2;
and 14, paving asphalt concrete on the permeable layer 2 to form a permeable asphalt surface layer 1, wherein the thickness of the permeable asphalt surface layer 1 is 30-50 mm.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent structure transform that the above embodiment was done the utility model discloses technical scheme's within the scope of protection.
Claims (9)
1. The utility model provides an urban road structure of mating formation that permeates water which characterized in that: including the pitch surface course (1) that permeates water, the concrete structure layer (3) and the basic unit (6) that set gradually from top to bottom, be provided with between basic unit (6) and the pitch surface course (1) that permeates water a plurality of be used for with vertical pipe (4a) of the water guide downwards of pitch surface course (1) infiltration permeate water, vertical pipe (4a) pass concrete structure layer (3) permeates water, the upper end of vertical pipe (4a) with pitch surface course (1) that permeates water communicates with each other, the lower extreme of vertical pipe (4a) with basic unit (6) communicate with each other, be provided with in basic unit (6) along urban road extending direction laid drain pipe (8), the pipe wall of drain pipe (8) is provided with and is used for supplying water in basic unit (6) gets into inlet opening (8a) in it.
2. The urban road water permeable pavement structure according to claim 1, characterized in that: the inner diameter of the vertical conduit (4a) is 5-10 mm, and the thickness of the pipe wall of the vertical conduit (4a) is 1-3 mm.
3. The urban road water permeable pavement structure according to claim 1, characterized in that: comprises a grid plate (4b) for fixing the vertical conduit (4a), and the lower end of the vertical conduit (4a) is fixed on the grid plate (4 b).
4. The urban road water permeable pavement structure according to claim 3, characterized in that: the grid plate (4b) and the vertical conduit (4a) are integrally formed to form a water guide support; the vertical conduit (4a) penetrates the geotextile layer (5) upwards, and the grid plate (4b) is positioned below the geotextile layer (5).
5. The urban road water permeable pavement structure according to claim 1, characterized in that: and a filter layer (9) is arranged on the outer wall of the drain pipe (8).
6. The urban road water permeable pavement structure according to claim 1, characterized in that: basic unit (6) are including rubble layer (6a), absorbed layer (6b), two cloth rete (6c), grey soil layer (6d) and soil basic unit (6e) that from top to bottom set gradually.
7. The urban road water permeable pavement structure according to claim 1, characterized in that: the permeable asphalt surface layer (1) and the permeable concrete structure layer (3) are bonded through the permeable layer (2), and the permeable layer (2) is made by spraying emulsified asphalt.
8. The urban road water permeable pavement structure according to claim 6, characterized in that: a water collecting tank (7) is arranged on the absorption layer (6b), and the drain pipe (8) is arranged in the water collecting tank (7).
9. The urban road water permeable pavement structure according to claim 8, characterized in that: the cross section of the water collecting tank (7) is inverted trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577272.2U CN211498343U (en) | 2019-09-20 | 2019-09-20 | Urban road structure of mating formation that permeates water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921577272.2U CN211498343U (en) | 2019-09-20 | 2019-09-20 | Urban road structure of mating formation that permeates water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528354A (en) * | 2019-09-20 | 2019-12-03 | 中国水利水电第三工程局有限公司 | A kind of urban road permeable pavement structure and its construction method |
| CN114369978A (en) * | 2021-12-02 | 2022-04-19 | 武汉市汉阳市政建设集团有限公司 | Rail edge-folding colored ceramic particle permeable pavement structure and construction method |
-
2019
- 2019-09-20 CN CN201921577272.2U patent/CN211498343U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528354A (en) * | 2019-09-20 | 2019-12-03 | 中国水利水电第三工程局有限公司 | A kind of urban road permeable pavement structure and its construction method |
| CN114369978A (en) * | 2021-12-02 | 2022-04-19 | 武汉市汉阳市政建设集团有限公司 | Rail edge-folding colored ceramic particle permeable pavement structure and construction method |
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