CN109958018A - A kind of heavy rainfall urban road water-permeable pavement structure and its construction method - Google Patents
A kind of heavy rainfall urban road water-permeable pavement structure and its construction method Download PDFInfo
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- CN109958018A CN109958018A CN201910302223.6A CN201910302223A CN109958018A CN 109958018 A CN109958018 A CN 109958018A CN 201910302223 A CN201910302223 A CN 201910302223A CN 109958018 A CN109958018 A CN 109958018A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
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- Road Paving Structures (AREA)
Abstract
The present invention provides a kind of heavy rainfall urban road water-permeable pavement structure and its construction methods, using metalling as bed course, steel slag gravel mixed layer is as base, permeable concrete is as surface layer, it ensure that entire road structure uniform force, long service life, permeable metalling is laid with above soil matrix, permeable metalling includes the big Stone layer of lower layer and the small particle metalling on upper layer, so that the intensity of road improves, and permeable metalling can be such that rainfall penetrates into soil matrix rapidly, metalling storage capacity is strong, it is able to maintain high intensity, base uses the composition of gravel and steel slag, so that the intensity of entire road structure further increases, surface layer using cement permeable concrete or pitch permeable concrete as road, so that road bearing strength is bigger, the service life is longer, precipitation lower rapidly can seep, guarantee Demand of the heavy rainfall city to road.
Description
Technical field
The present invention relates to water penetration road field, more particularly to a kind of heavy rainfall urban road water-permeable pavement structure and
Its construction method.
Background technique
With the development of society, nowadays urban road has been carried out fully hardened, existing urban road mostly uses greatly drip
Green concrete, cement concrete, stone slab or cement brick etc. are laid with, and have the advantages that smooth, intensity is high, durability is good, but same
When the shortcomings that there is also bad hydraulic permeabilities, the ponding on road surface is difficult to lower infiltration, cause road muddy, especially in heavy rainfall city,
Traditional road surface can have ponding for a long time, need manually to carry out ponding cleaning, time-consuming and laborious, and road ponding can pacify driving
Some potential safety problems is caused entirely, long-time ponding can also generate certain influence on Road Service Life, reduce the intensity of road,
There are problems for traditional impermeability road.
There are also the structure of water penetration road and implementation methods at present, but these water penetration road structures are only applicable to drop
The small city of rainfall uses, although can be realized the purpose seeped under ponding, infiltration rate is slow, and lower milliosmolarity is small, is not suitable for
The rapid draining of precipitation domain city road, and often intensity is small for these water penetration roads, cannot bear larger pressure, use the longevity
It orders short.
Therefore, a kind of heavy rainfall urban road water-permeable pavement structure and its construction method are needed, is able to solve above-mentioned existing
There is water penetration road not to be suitable for precipitation city, water penetration road drainage speed is slow, lower milliosmolarity is small, and intensity is low, uses the longevity
Order short problem.
Summary of the invention
The object of the present invention is to provide a kind of heavy rainfall urban road water-permeable pavement structure and its construction methods, to solve
Above-mentioned existing water penetration road is not suitable for precipitation city, and water penetration road drainage speed is slow, lower milliosmolarity is small, and intensity it is low,
The short problem of service life.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of heavy rainfall urban road water-permeable pavement structure, including road surface ontology, the road surface ontology
Including soil matrix, permeable metalling, base and pervious concrete layer, the soil matrix, the permeable metalling, the base and described
Pervious concrete layer is successively laid with from the bottom to top, and anti-filter fabric is equipped between the soil matrix and the permeable metalling；
Wherein, the every side of width of the permeable metalling is wider than the 25~35cm of soil matrix, and the permeable metalling includes
The big Stone layer and small particle metalling being successively laid with from the bottom to top, the big Stone layer are layed on the soil matrix
Side, the base are layed in the top of the small particle metalling, the width of the width of the base and the permeable metalling
Unanimously, the every side of the width of the pervious concrete layer is narrower than the 1~5cm of base.
Preferably, the partial size of the big Stone layer is 30~60mm, and partial size is 60% in the content of 45~60mm
~70%, laying depth is 6~9cm；The partial size of the small particle metalling is 10~25mm, and partial size containing in 15~25mm
Amount is 60~80%, and laying depth is 3~6cm.
Preferably, the anti-filter fabric uses non-woven geotextile, and specification is 250~450g/m2。
Preferably, the base uses the mixture of gravel and steel slag, and the partial size of steel slag is 5~15mm, the content of steel slag
It is 5%~10%, the partial size of gravel is 5~30mm, and laying depth is 3~6cm.
Preferably, the pervious concrete layer uses cement permeable concrete or pitch permeable concrete.
Preferably, the laying depth of the pervious concrete layer (4) is 15~30cm.
A kind of construction method of heavy rainfall urban road water-permeable pavement structure, the construction method the following steps are included:
(1) rammed soil type of foundation；
(2) it is laid with anti-filter fabric；
(3) it is successively laid with big Stone layer and small particle metalling, forms permeable metalling；
(4) it is laid with base, and is rolled；
(5) it is laid with pervious concrete layer, and is conserved.
Preferably, in step (1), the compacted coefficient of soil matrix is 92%~95%.
Preferably, in step (4), the road roller specification that base rolls is 15t~18t, the speed of travel≤4km/h, compacting
Coefficient is 92%~95%.
Preferably, it in step (5), conserves to sprinkle water daily 2~5 times, continues 5~7 days.
The present invention achieves following advantageous effects compared with the existing technology:
1, a kind of heavy rainfall urban road water-permeable pavement structure and its construction method provided by the invention, using metalling
As bed course, steel slag gravel mixed layer is wider than soil matrix 25 as surface layer, the every side of the width of bed course as base, permeable concrete
~35cm, the every side of the width of concrete layer are narrower than 1~5cm of base, ensure that entire road structure uniform force, stress are not easy to send out
Change shape, long service life, and can be subjected to brewing for high-frequency heavy rainfall.
2, a kind of heavy rainfall urban road water-permeable pavement structure and its construction method provided by the invention, in the upper of soil matrix
Side is laid with anti-filter fabric, and permeable metalling is laid on anti-filter fabric, and permeable metalling includes the big Stone layer of lower layer
With the small particle metalling on upper layer, big Stone layer partial size is 30~60mm, and partial size is 60% in the content of 45~60mm
~70%, laying depth is 6~9cm, and the partial size of small particle metalling is 10~25mm, and content of the partial size in 15~25mm is
60~80%, laying depth is 3~6cm, this intensity for allowing for road improves, and permeable metalling can be such that rainfall seeps rapidly
Enter into soil matrix, metalling storage capacity is strong, is able to maintain high intensity, and anti-filter fabric can stop the dirt in lower infiltration to enter
In soil matrix, good water penetration is remained.
3, a kind of heavy rainfall urban road water-permeable pavement structure and its construction method provided by the invention, base use gravel
The composition of stone and steel slag, the partial size of steel slag are 5~15mm, and the content of steel slag is 5%~10%, the partial size of gravel is 5~
30mm, laying depth are 3~6cm, so that the intensity of entire road structure further increases, meanwhile, the combination of gravel and steel slag
Base's compacting factor is 92%~95%, improves water penetration on the basis of proof strength.
4, a kind of heavy rainfall urban road water-permeable pavement structure and its construction method provided by the invention, it is saturating using cement
The laying depth of the surface layer of aqueous concrete or pitch permeable concrete as road, concrete is 15~30cm, makes to attain the Way
Road bearing strength is bigger, and the service life is longer, and precipitation lower rapidly can seep, and ensure that demand of the heavy rainfall city to road.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of heavy rainfall urban road water-permeable pavement structure provided by the invention and its construction method road structure
Cross-sectional view；
Fig. 2 is a kind of heavy rainfall urban road water-permeable pavement structure and its construction method construction method provided by the invention
Flow chart；
In figure: 1: soil matrix, 2: permeable metalling, 21: big Stone layer, 22: small particle metalling, 3: base, 4: thoroughly
Water coagulation soil layer, 5: anti-filter fabric.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of heavy rainfall urban road water-permeable pavement structure and its construction methods, pass through paving
If the permeable metalling and gravel of big Stone and small particle rubble composition and the base of steel slag composition, improve permeable road
The intensity and water permeability of line structure are not suitable for precipitation city, water penetration road drainage to solve existing water penetration road
Speed is slow, lower milliosmolarity is small, and the problem that intensity is low, service life is short.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Embodiment 1:
The present embodiment provides a kind of heavy rainfall urban road water-permeable pavement structures, as shown in Figure 1, include road surface ontology,
Road surface ontology includes soil matrix 1, permeable metalling 2, base 3 and pervious concrete layer 4, regard permeable metalling 2 as setting cushion
In the top of soil matrix 1, the every side of width of permeable metalling 2 is wider than the side 25cm of soil matrix 1, permeable metalling 2 include by down toward
On the big Stone layer 21 and small particle metalling 22 that are successively laid with, the metalling of two kinds of different-grain diameters can either guarantee road
The stabilization of structure, while seepage velocity and moisture storage capacity are improved, nonwoven geotechnique is equipped between big Stone layer 21 and soil matrix 1
Cloth is 300g/m as anti-filter fabric 5, the specification of geotextiles2, it can prevent rain impurities in water from damaging to soil matrix 1 in this way,
And then the intensity of road structure is reduced, base 3 is laid on the top of permeable metalling 2, the width of base 3 and permeable metalling 2
Equivalent width, pervious concrete layer 4 is laid on the top of base 3, and the every side of the width of pervious concrete layer 4 is narrower than base 3
Side 3cm, every layer of width is arranged in this way so that road structure is integrally more uniformly stressed, the vertical side that road can bear
To bigger with the pressure of horizontal direction.
Specifically, the partial size of big Stone layer 21 is 30~60mm, and partial size is 60% in the content of 45~60mm, paving
If with a thickness of 6cm；The partial size of small particle metalling 22 is 10~25mm, and partial size is 60% in the content of 15~25mm, is laid with
With a thickness of 4cm, big Stone is laid on bottom small particle rubble and is laid on upper layer, so that entire permeable 2 structure of metalling is more
Add stabilization, for a long time using being not susceptible to deformation, and the gap between rubble can make rainwater is lower rapidly to seep, the big partial size of bottom
Gap between rubble can be improved water space, and penetrate into rainwater quickly in soil matrix 1；Base 3 is using gravel and steel slag
Mixture, the partial size of steel slag are 5~15mm, and the content of steel slag is 6%, and the partial size of gravel is 5~30mm, laying depth 4cm,
The addition of steel slag is so that base layer structure is firmer, and the steel slag of small particle and gravel can make base even closer, can bear
Bigger pressure, and steel slag and gravel will not hinder the lower infiltration of rainwater, good water permeability；Pervious concrete layer 4 is permeable using cement
Property concrete, the laying depth of cement permeable concrete is 15cm.
Further, the construction method of above-mentioned heavy rainfall urban road water-permeable pavement structure, as shown in Fig. 2, clear first
Plain soil is managed out as soil matrix 1, soil matrix is tamped using ramming machine, compacted coefficient is controlled 93%, both can guarantee soil in this way
Base is firm, also helps the infiltration of rainwater, selects 300g/m2Non-woven geotextile be laid on soil matrix 1 as anti-filter fabric 5,
Process of deployment is answered smooth, and it is 30~60mm by partial size, and content of the partial size in 45~60mm is that joint is available, which to tie up silk and fix,
60% big Stone is uniformly paved in geotextiles using road-metal spreading machine, and paving thickness 6cm forms big Stone
Layer 21, the every side of width of big Stone layer is 30cm wider than soil matrix, is then 10~25mm by partial size, and partial size is in 15~25mm
Content be 60% small particle rubble uniformly paved above big Stone layer using road-metal spreading machine, laying depth is
4cm forms small particle metalling 22, then is laid on small particle metalling 22 for the mixture of gravel and steel slag as base 3
Top, the partial size of steel slag are 5~15mm, and the content of steel slag is 6%, and the partial size of gravel is 5~30mm, laying depth 4cm, paving
It sprinkles water in base 3 after and if is compacted using 15t road roller, the speed of travel control of road roller is in 4km/h, compacting
Coefficient keeps each layer foundation structure more firm until 92%, through compacting, and finally the formwork on ground, selects cement water penetration
Concrete beats ash as surface layer, using pump truck, forms pervious concrete layer, sprinkles water 3 times and conserved daily after molding, continuous to support
Shield 7 days, can be obtained water-permeable pavement structure.
A kind of heavy rainfall urban road water-permeable pavement structure and its construction method provided in this embodiment, such road surface are suitable
For the public places such as city bypass, sidewalk or square hard surface, the pressure of lesser vertical direction can satisfy, it can
Meeting brewing for high-frequency precipitation, long service life, seepage velocity is fast, there is very big booster action to source is adjustably lauched,
It can also absorb sound simultaneously, advantageously reduce noise.
Embodiment 2:
The present embodiment provides a kind of heavy rainfall urban road water-permeable pavement structures, as shown in Figure 1, include road surface ontology,
Road surface ontology includes soil matrix 1, permeable metalling 2, base 3 and pervious concrete layer 4, regard permeable metalling 2 as setting cushion
In the top of soil matrix 1, the every side of width of permeable metalling 2 is wider than the side 35cm of soil matrix 1, permeable metalling 2 include by down toward
On the big Stone layer 21 and small particle metalling 22 that are successively laid with, the metalling of two kinds of different-grain diameters can either guarantee road
The stabilization of structure, while seepage velocity and moisture storage capacity are improved, nonwoven geotechnique is equipped between big Stone layer 21 and soil matrix 1
Cloth is 400g/m as anti-filter fabric 5, the specification of geotextiles2, it can prevent rain impurities in water from damaging to soil matrix 1 in this way,
And then the intensity of road structure is reduced, base 3 is laid on the top of permeable metalling 2, the width of base 3 and permeable metalling 2
Equivalent width, pervious concrete layer 4 is laid on the top of base 3, and the every side of the width of pervious concrete layer 4 is narrower than base 3
Side 3cm, every layer of width is arranged in this way so that road structure is integrally more uniformly stressed, the vertical side that road can bear
To bigger with the pressure of horizontal direction.
Specifically, the partial size of big Stone layer 21 is 30~60mm, and partial size is 70% in the content of 45~60mm, paving
If with a thickness of 9cm；The partial size of small particle metalling 22 is 10~25mm, and partial size is 60% in the content of 15~25mm, is laid with
With a thickness of 6cm, big Stone is laid on bottom small particle rubble and is laid on upper layer, so that entire permeable 2 structure of metalling is more
Add stabilization, for a long time using being not susceptible to deformation, and the gap between rubble can make rainwater is lower rapidly to seep, the big partial size of bottom
Gap between rubble can be improved water space, and penetrate into rainwater quickly in soil matrix 1；Base 3 is using gravel and steel slag
Mixture, the partial size of steel slag are 5~15mm, and the content of steel slag is 8%, and the partial size of gravel is 5~30mm, laying depth 6cm,
The addition of steel slag is so that base layer structure is firmer, and the steel slag of small particle and gravel can make base even closer, can bear
Bigger pressure, and steel slag and gravel will not hinder the lower infiltration of rainwater, good water permeability；Pervious concrete layer 4 is permeable using pitch
Property concrete, the laying depth of pitch permeable concrete is 25cm.
Further, the construction method of above-mentioned heavy rainfall urban road water-permeable pavement structure, as shown in Fig. 2, clear first
Plain soil is managed out as soil matrix 1, soil matrix is tamped using ramming machine, compacted coefficient is controlled 95%, both can guarantee soil in this way
Base is firm, also helps the infiltration of rainwater, selects 400g/m2Non-woven geotextile be laid on soil matrix 1 as anti-filter fabric 5,
Process of deployment is answered smooth, and it is 30~60mm by partial size, and content of the partial size in 45~60mm is that joint is available, which to tie up silk and fix,
70% big Stone is uniformly paved in geotextiles using road-metal spreading machine, and paving thickness 9cm forms big Stone
Layer 21, the every side of width of big Stone layer is 35cm wider than soil matrix, is then 10~25mm by partial size, and partial size is in 15~25mm
Content be 60% small particle rubble uniformly paved above big Stone layer using road-metal spreading machine, laying depth is
6cm forms small particle metalling 22, then is laid on small particle metalling 22 for the mixture of gravel and steel slag as base 3
Top, the partial size of steel slag are 5~15mm, and the content of steel slag is 8%, and the partial size of gravel is 5~30mm, laying depth 6cm, paving
It sprinkles water in base 3 after and if is compacted using 18t road roller, the speed of travel control of road roller is in 4km/h, compacting
Coefficient keeps each layer foundation structure more firm until 95%, through compacting, finally selects pitch permeable concrete as face
Layer forms pervious concrete layer using bituminous concrete paver asphalt permeable concrete, to temperature be down to 60 DEG C with
Under, water-permeable pavement structure can be obtained.
A kind of heavy rainfall urban road water-permeable pavement structure and its construction method provided in this embodiment, such road surface are suitable
For the hard surface of municipal highway, the pressure of biggish vertical direction can satisfy, can satisfy rushing for high-frequency precipitation
Bubble, long service life, seepage velocity is fast, has very big booster action to source is adjustably lauched, while can also absorb sound, is conducive to subtract
Few noise.
It should be noted that a kind of heavy rainfall urban road water-permeable pavement structure provided by the invention and its construction method
In, required big Stone, small particle rubble and gravel and steel-slag mixture can be transferred through gradation and obtain, and cement is permeable
Property concrete and pitch permeable concrete are also existing quotient's concrete, and therefore, the specific preparation method of material is in the present invention not
It is repeating.
The heavy rainfall urban road water-permeable pavement structure that embodiment 1 and embodiment 2 are provided and traditional water penetration road
Face structure compares experiment, chooses the test site that 4 pieces of areas are 5m × 5m, and the geology of 4 pieces of test sites is identical,
1 piece of test site is laid with the heavy rainfall urban road water-permeable pavement structure that embodiment 1 provides, and is laid with the 2nd piece of test site
The heavy rainfall urban road water-permeable pavement structure that embodiment 2 provides, it is permeable using conventional method laying the 3rd piece of test site
Property pavement structure as reference examples 1, water-permeable pavement structure is laid with as reference examples using conventional method the 4th piece of test site
2。
Wherein, reference examples 1 and reference examples 2 are using permeable whole road surface provided by prior art CN201610069680.1
Construction method construction, permeable whole road surface is made, the permeable fractured-rock layer thickness of blotter and embodiment 1 in reference examples 1
Identical, the fine sand screed-coat in reference examples 1 is identical as the groundwork thickness of embodiment 1, the primary colors pervious bed in reference examples 1 and implementation
The pervious concrete layer thickness of example 1 is identical, and both remaining construction methods are all the same；Blotter and embodiment 2 in reference examples 2
Permeable fractured-rock layer thickness it is identical, the fine sand screed-coat in reference examples 2 is identical as the groundwork thickness of embodiment 2, in reference examples 2
Primary colors pervious bed is identical as the pervious concrete layer thickness of embodiment 2, and both remaining construction methods are all the same, at 4 pieces of test sites
After ground reaches use state, heavy rainfall is simulated using water spray, simulation vehicle to run, logging are rolled using road roller
It is as follows:
By above-mentioned test result can be seen that heavy rainfall urban road water-permeable pavement structure provided by the invention and its
The water-permeable pavement that construction method obtains, compared to existing traditional porous pavement, water penetration is more preferable, seepage velocity faster,
And water percolating capacity is bigger, and overall structure is also more firm, washing away for high-frequency heavy rainfall and rolling for larger pressure are coped with,
The service life is longer for entire pavement structure, has very big booster action to source is adjustably lauched, while can also absorb sound, is conducive to subtract
Few noise.
Invention applies a specific example illustrates the principle and implementation of the invention, above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.To sum up, the content of the present specification should not manage
Solution is limitation of the present invention.
Claims (10)
1. a kind of heavy rainfall urban road water-permeable pavement structure, including road surface ontology, it is characterised in that: the road surface ontology packet
Include soil matrix (1), permeable metalling (2), base (3) and pervious concrete layer (4), the soil matrix (1), the permeable metalling
(2), the base (3) and the pervious concrete layer (4) are successively laid with from the bottom to top, the soil matrix (1) and described permeable broken
Anti-filter fabric (5) are equipped between rock layers (2)；
Wherein, the every side of width of the permeable metalling (2) is wider than (1) 25~35cm of soil matrix, the permeable metalling (2)
Including the big Stone layer (21) being successively laid with from the bottom to top and small particle metalling (22), the big Stone layer (21)
It is layed in above the soil matrix (1), the base (3) is layed in the top of the small particle metalling (22), the base (3)
Width and the permeable metalling (2) equivalent width, the every side of width of the pervious concrete layer (4) is narrower than the base
(3) 1~5cm.
2. a kind of heavy rainfall urban road water-permeable pavement structure according to claim 1, it is characterised in that: the big grain
The partial size of diameter metalling (21) be 30~60mm, and partial size 45~60mm content be 60%~70%, laying depth be 6~
9cm；The partial size of the small particle metalling (22) is 10~25mm, and partial size is 60~80% in the content of 15~25mm, paving
If with a thickness of 3~6cm.
3. a kind of heavy rainfall urban road water-permeable pavement structure according to claim 1, it is characterised in that: the anti-filter
Fabric (5) uses non-woven geotextile, and specification is 250~450g/m2。
4. a kind of heavy rainfall urban road water-permeable pavement structure according to claim 1, it is characterised in that: the base
(3) mixture of gravel and steel slag is used, the partial size of steel slag is 5~15mm, and the content of steel slag is 5%~10%, the grain of gravel
Diameter is 5~30mm, and laying depth is 3~6cm.
5. a kind of heavy rainfall urban road water-permeable pavement structure according to claim 1, it is characterised in that: described permeable
Concrete layer (4) uses cement permeable concrete or pitch permeable concrete.
6. a kind of heavy rainfall urban road water-permeable pavement structure according to claim 1, it is characterised in that: described permeable
The laying depth of concrete layer (4) is 15~30cm.
7. a kind of construction method of the heavy rainfall urban road water-permeable pavement structure as described in claim 1~6 is any, special
Sign is: the construction method the following steps are included:
(1) rammed soil type of foundation；
(2) it is laid with anti-filter fabric；
(3) it is successively laid with big Stone layer and small particle metalling, forms permeable metalling；
(4) it is laid with base, and is rolled；
(5) it is laid with pervious concrete layer, is conserved to using the road surface of cement permeable concrete.
8. a kind of construction method of heavy rainfall urban road water-permeable pavement structure according to claim 7, feature exist
In: in step (1), the compacted coefficient of soil matrix is 92%~95%.
9. a kind of construction method of heavy rainfall urban road water-permeable pavement structure according to claim 7, feature exist
In: in step (4), road roller specification that base rolls is 15t~18t, the speed of travel≤4km/h, compacting factor is 92%~
95%.
10. a kind of construction method of heavy rainfall urban road water-permeable pavement structure according to claim 7, feature exist
In: in step (5), conserves to sprinkle water daily 2~5 times, continue 5~7 days.
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| CN112252115A (en) * | 2020-10-29 | 2021-01-22 | 中国十九冶集团有限公司 | Road structure of recoverable rainwater in sponge city |
| CN112624707A (en) * | 2021-01-04 | 2021-04-09 | 新疆互力佳源环保科技有限公司 | Cement-stabilized steel slag gravel pavement base mixture and preparation method thereof |
| CN114525708A (en) * | 2022-02-28 | 2022-05-24 | 上海占弘水性高分子材料有限公司 | Colored anti-skidding terrace suitable for sponge city and construction process thereof |
| CN114606823A (en) * | 2020-12-09 | 2022-06-10 | 上海力阳道路加固科技股份有限公司 | Cement-based pervious concrete pavement structure and laying method thereof |
| CN114763685A (en) * | 2021-01-11 | 2022-07-19 | 新疆北新路桥集团股份有限公司 | Anti-deformation road structure |
| CN114763687A (en) * | 2021-01-11 | 2022-07-19 | 新疆北新路桥集团股份有限公司 | Anti-settlement road structure |
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Application publication date: 20190702 |