CN108532406A - Can rapid construction high-bearing capacity pervious surface and laying method - Google Patents

Can rapid construction high-bearing capacity pervious surface and laying method Download PDF

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Publication number
CN108532406A
CN108532406A CN201810434449.7A CN201810434449A CN108532406A CN 108532406 A CN108532406 A CN 108532406A CN 201810434449 A CN201810434449 A CN 201810434449A CN 108532406 A CN108532406 A CN 108532406A
Authority
CN
China
Prior art keywords
permeable
kerbstone
special
reinforced concrete
big plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810434449.7A
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Chinese (zh)
Inventor
罗刚
丁志荣
赵若琪
冯志远
孙晓雨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Municipal Engineering Consulting Center Co Ltd
Original Assignee
Shenzhen Municipal Engineering Consulting Center Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Municipal Engineering Consulting Center Co Ltd filed Critical Shenzhen Municipal Engineering Consulting Center Co Ltd
Priority to CN201810434449.7A priority Critical patent/CN108532406A/en
Publication of CN108532406A publication Critical patent/CN108532406A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/22Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/22Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/221Kerbs or like edging members, e.g. flush kerbs, shoulder retaining means ; Joint members, connecting or load-transfer means specially for kerbs
    • E01C11/222Raised kerbs, e.g. for sidewalks ; Integrated or portable means for facilitating ascent or descent
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/22Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224Surface drainage of streets
    • E01C11/225Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C5/00Pavings made of prefabricated single units
    • E01C5/04Pavings made of prefabricated single units made of bricks
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00Coherent pavings made in situ
    • E01C7/08Coherent pavings made in situ made of road-metal and binders
    • E01C7/32Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ

Abstract

It is a kind of can rapid construction high-bearing capacity pervious surface and laying method, first:It is the special kerbstone for the broken line step being made of left-half and right half part and the water-permeable brick with round permeable hole to be prefabricated in the factory and be evenly equipped with multiple permeable holes and the big plate of the interior reinforced concrete permeable equipped with reinforcing bar, cross section structure, then it is laid with aquifer from below to up, rubble stabilized zone, special kerbstone is being buried close to trees side again, the right half part bottom end of special kerbstone is deep into aquifer;It is laid with the big plate of reinforced concrete permeable above special kerbstone and rubble stabilized zone, water-permeable brick composition pavement face layer is re-layed after sand-free coarse porous concrete haydite concrete is filled in the permeable hole of the big plate of reinforced concrete permeable.Effective fast permeable speed can be achieved in the present invention, and under the premise of not reducing the bearing capacity of pervious surface, improves the level of factorial praluction, avoids the execute-in-places such as cast-in-place concrete and scene drilling, improves construction efficiency, reduction production cost.

Description

Can rapid construction high-bearing capacity pervious surface and laying method
Technical field:
The present invention relates to it is a kind of can rapid construction high-bearing capacity pervious surface and laying method, it belongs to pavement of road The road surfacing technology of laying technology field, especially crossing.
Background technology:
Sponge city, is new generation of city storm water management theory, and main thought is that city needs flexibly to cope with rainwater band The flood come, i.e., can be sufficiently carried out absorption, accumulation, infiltration and purification for rainwater, and then may be used when needed To discharge the water stored to make full use of.Rain penetration is the first ring in sponge municipal engineering, if rainwater cannot when heavy rain Quickly infiltration is gone down on the spot, easily rainwater is caused to converge, is caused damage caused by waterlogging, sponge city also will be at empty talk.
Currently, the mode of pavement and square rain penetration to underground is permeated using water-permeable brick.It is both domestic and external at present Water-permeable brick is all permeable using the tiny hole between aggregate and the gap connected between brick body.Due to these holes, Gap is easily filled by dust, soil etc. closely knit, loses pervious function, therefore current water-permeable brick completes half a year to one mating formation Nian Hou loses water permeability mostly.The common water-permeable brick of pervious function is even not yet lost, laying method can also make heavy rain When the rainwater that permeates the ground it is very little.The reason is that:A) the substantially impervious water of base below water-permeable brick, if base made Permeable base, intensity it is difficult to ensure that, cause road easily to damage;B) there is no aquifer below base, for certain soil The extremely low area of permeability is then helpless to solve Urban Storm Flood disaster problem.
The patent document of application number 201720189632.6 discloses a kind of Gao Cheng being laid with suitable for urban water-through ground Carry power permeable ground structure and laying method.It includes Dank floor tile face layer, mortar bonding layer, the reinforcing bar being arranged from top to bottom Concrete stress layer and rubble or building waste fragment aquifer.It is saturating on water-permeable brick after in Dank floor tile face, layer cements Water hole drills downwards, and mortar bonding layer and concrete stress layer are drilled through.When rainwater falls on road surface, the surface of Dank floor tile Water can flow into guiding gutter and water-guiding hole flows directly in the rubble of aquifer.The patent pervious surface can maintain long-term effectively The permeable effect of pervious surface and the bearing capacity that pervious surface can be greatly improved.
The shortcomings that above-mentioned prior art is:Although it is high that the permeable principle of permeable pavement brick can be such that water-permeable brick itself has Permeability rate, but the adhesive mortar and concrete stress layer below it are all fluid-tight, it is necessary to have been laid in water-permeable brick At and after cementing, then to mortar and concrete drill hole below, most units in charge of construction can feel trouble, long construction period and produce Raw resentment.In addition, armored concrete stress layer palpus cast in situs construction, difficulty of construction is big, of high cost.
Invention content:
The invention reside in provide it is a kind of be laid with it is efficient and good permeable effect can rapid construction high-bearing capacity dankly Face and laying method.
The object of the present invention is achieved like this:
It is a kind of can rapid construction high-bearing capacity pervious surface, it includes the aquifer being superimposed from bottom to top, reinforced concrete The permeable big plate of soil, is arranged in armored concrete the rubble stabilized zone being arranged between aquifer and the big plate of reinforced concrete permeable The adhesive linkage of permeable big plate upper surface, the water-permeable brick being arranged on the adhesive linkage, it further includes special kerbstone, described special It is the broken line terraced structure being made of left-half and right half part, the special kerbstone with the cross section structure of kerbstone Right half part bottom end be deep into aquifer;The big plate of the reinforced concrete permeable is placed in the right half part of special kerbstone Top;The big plate of the reinforced concrete permeable is the net platy structure for being evenly equipped with multiple permeable holes, in the web plate The position for avoiding permeable hole is provided with reinforcing bar.
The right half part top of the special kerbstone is equal to adhesive linkage, armored concrete to left-half tip height The sum of the thickness of permeable big plate and masonry mortar layer and water-permeable brick;The length L and armored concrete of the special kerbstone are saturating The width W of the big plate of water is equal.
The permeable hole of the big plate of the reinforced concrete permeable is up big and down small bucket-shaped structure.
The water-permeable brick is the water-permeable brick with round permeable hole.
It is a kind of it is above-mentioned can rapid construction high-bearing capacity pervious surface laying method, it includes following step:
A:The big plate of the reinforced concrete permeable that has been prefabricated in the factory, special kerbstone and the water-permeable brick with round permeable hole;
B:The ditch wide with pavement is dug out in pavement position;
C:It is laid with simple grain diameter construction refuse regenerated aggregate and shakeouts, form aquifer;
D:It is laid with rubble stabilized zone above aquifer, is flattened with light-duty road roller;
E:Special kerbstone is buried close to trees side, the right half part bottom end of special kerbstone is deep into aquifer, Narrow ditch recoil slurry is dug to be laid with;
F:It is laid with the big plate of reinforced concrete permeable above special kerbstone and rubble stabilized zone, is looked for leveling mortar layer It is flat;The big plate paving location of reinforced concrete permeable is laid with the special kerbstone fissure of displacement, and slurry is sat at the two contact surface and is laid with;
G:Sand-free coarse porous concrete haydite concrete is filled in the permeable hole of the big plate of reinforced concrete permeable;
H:It is laid with the water-permeable brick with round permeable hole above the big plate of reinforced concrete permeable and constitutes pavement face layer, paving If when using common masonry mortar sit slurry making;
I:The common kerbstone of the road other side is installed.
The aquifer is that simple grain grade construction refuse regenerated aggregate or ordinary gravel are laid with.
Effective fast permeable speed can be achieved in the present invention, and under the premise of not reducing the bearing capacity of pervious surface, improves Level is factory produced, avoids the execute-in-places such as cast-in-place concrete and scene drilling, improves construction efficiency, reduction production cost.
Description of the drawings:
Fig. 1 is the pervious surface cross section structure schematic diagram of the present invention
Fig. 2 is the structural schematic diagram of the special kerbstone of the present invention
Fig. 3 is the structural schematic diagram of the big plate of reinforced concrete permeable of the present invention
Fig. 4 is the structural schematic diagram of water-permeable brick of the present invention
Fig. 5 is the cross section structure schematic diagram for the porous pavement that the present invention is embodied
Specific implementation mode:
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the present invention is further detailed:
Road according to the present invention is mainly pavement position, and existing highway layout, all plantation is planted on pavement Object is designed also for landscaping.The composition of the porous pavement of the present invention is as follows:
In the present embodiment, porous pavement of the invention includes the aquifer 7 being superimposed from bottom to top, reinforced concrete permeable Big plate 5, the rubble stabilized zone 6 being arranged between aquifer 7 and the big plate of reinforced concrete permeable 5, setting are saturating in armored concrete The adhesive linkage 4 of big 5 upper surface of plate of water, the water-permeable brick 3 being arranged on the adhesive linkage 4, in order to achieve the object of the present invention, it Further include special kerbstone 1, the cross section structure of the special kerbstone 1 is the broken line platform being made of left-half and right half part The right half part bottom end of stepped structure, the special kerbstone 1 is deep into aquifer 7;The reinforced concrete permeable Big plate 5 is placed in the top of the right half part of special kerbstone 1;The big plate 5 of the reinforced concrete permeable is multiple to be evenly equipped with The net platy structure in water hole 52 is provided with reinforcing bar 51 in the position for avoiding permeable hole of the web plate.
The right half part top of the special kerbstone 1 is equal to masonry mortar 2, reinforcing bar to left-half tip height H The sum of the thickness of the big plate 5 of concrete permeable, adhesive linkage 4 and water-permeable brick 3.
The width W of the big plate of the length L of the special kerbstone 1 and reinforced concrete permeable 5 is equal, and curb may be implemented Stone is laid with the permeable big plate fissure of displacement.
In the present embodiment, the permeable hole 52 of the big plate of the reinforced concrete permeable 5 is up big and down small bucket-shaped structure.
The water-permeable brick 3 is the water-permeable brick with round permeable hole 31 in the present embodiment, as shown in figure 4,
The present invention can rapid construction high-bearing capacity pervious surface laying method, including following step:
A:In factory according to above-mentioned structure, the big plate 5 of prefabricated reinforced concrete permeable, special kerbstone 1 and with circle The water-permeable brick 3 of shape permeable hole 31;Which reduces the difficulty of site operation, save working hour.
B:The ditch wide with pavement is dug out in pavement position;
C:It is laid with simple grain diameter construction refuse regenerated aggregate and shakeouts, form aquifer 7;
D:It is laid with rubble stabilized zone 6 above aquifer 7, is flattened with light-duty road roller;
E:Special kerbstone 1 is buried close to trees side, the right half part bottom end of special kerbstone 1 is deep into aquifer 7 In, it digs narrow ditch recoil slurry and is laid with;
F:It is laid with the big plate 5 of reinforced concrete permeable above special kerbstone 1 and rubble stabilized zone 6, needs using levelling Screed 2 is levelling;Big 5 paving location of plate of reinforced concrete permeable is laid with 1 fissure of displacement of special kerbstone, and slurry is sat at the two contact surface It is laid with;
G:Sand-free coarse porous concrete haydite concrete is filled in the permeable hole 52 of the big plate of reinforced concrete permeable 5;
H:Water-permeable brick 3 of the laying with round permeable hole above the big plate 5 of reinforced concrete permeable, constitutes pavement face Layer sits slurry making when laying using common masonry mortar;
I:The common kerbstone of the road other side is installed.
The section on the road surface finally laid is as shown in Figure 5.
In the present embodiment, the special kerbstone that the kerbstone 1 sets to prevent banyan root from destroying, structure such as Fig. 2 Shown, i.e. the cross section structure of the special kerbstone 1 is the broken line terraced structure being made of left-half and right half part, The bottom end of middle right half part is embedded to aquifer 7, from the top of right half part, is up laid with the big plate of reinforced concrete permeable successively 5, layer containing leveling mortar 2, adhesive linkage 4 and the pavement face layer being paved by water-permeable brick 3.Therefore, the lower right-most portion top of kerbstone It is equal to the sum of the thickness of above layers to upper left tip height H.The big plate of the length L of kerbstone and reinforced concrete permeable 5 Width W it is equal.
In the present embodiment, pavement face layer is laid with using the water-permeable brick 3 with round permeable hole 31, to ensure the structure Quick water penetration.
The water-permeable brick that the structure of square or regular hexagon with round permeable hole can also be used in water-permeable brick 3 is spread If.
In the present embodiment, the adhesive layer 4 is common masonry mortar, for connecting big 5 He of plate of reinforced concrete permeable The pavement face layer that water-permeable brick is laid with.Slurry is sat using this ordinary mortar to be laid with, and can increase the fastness on ground.
As shown in figure 3, the big plate 5 of reinforced concrete permeable of the present invention is the web plate shape knot for being evenly equipped with multiple permeable holes 52 Structure, is provided with reinforcing bar 51 in the mesh-plate structure, the big plate 5 of reinforced concrete permeable using prefabrication pattern into Row production, to improve its bending stiffness.It is evenly equipped with up big and down small bucket shape permeable hole 52 in the big plate of reinforced concrete permeable 5. Sand-free coarse porous concrete haydite concrete is filled in the bucket shape permeable hole 52.This structure improves dankly by armored concrete The bending bearing capacity in face realizes following functions by sand-free coarse porous concrete haydite concrete:1) its intensity meets the downward of face brick that satisfy the need The support of pressure;2) play the role of fast permeable speed;Once 3) the permeable hole plug of circle on permeable pavement brick, with letters such as drill rods Single tool stabs tamper can restore pervious function into the haydite concrete.
Raw material identical with aquifer 7 can be used in the rubble stabilized zone 6, but its grain diameter should be than aquifer 7 The small level-one of raw material particle size or two-stage, in order to using light-duty road roller flatten and the big 5 smooth paving of plate of reinforced concrete permeable If.
The aquifer 7 preferably uses simple grain grade construction refuse regenerated aggregate or ordinary gravel to be laid with.Waste concrete is again The water storage rate measured result of raw aggregate for details see attached table 1.
The water storage rate (%) of 1 aquifer material of table
The main operational principle of the present invention:
1) in factory that the big plate of reinforced concrete permeable is prefabricated in advance first.When construction needs, directly reinforcing bar is mixed The solidifying permeable big plate of soil is transported to construction site, carries out assembly installation.
2) due to being filled with sand-free coarse porous concrete haydite concrete in the bucket shape permeable hole of the big plate of reinforced concrete permeable, when laying Once there is mortar to block the permeable hole of water-permeable brick, drill rod may be used and stab haydite below rotten hole along permeable hole, is allowed to restore saturating Aqueous energy, without being drilled using tools such as impact drills.
3) when rainwater falls on road surface, the surface water of water-permeable brick 3 can flow into guiding gutter and then be flowed to through round permeable hole 31 In the infundibulate permeable hole of the big plate of reinforced concrete permeable, then through the haydite concrete in infundibulate permeable hole flow directly into water storage In layer 7.
4) make after using for a period of time, if the round permeable hole of water-permeable brick is blocked by silt, with drill rod or can fill Electric-type electric hand drill carries out drilling cleaning and maintenance, persistently to keep its pervious function.
Beneficial effects of the present invention are as follows:
1) efficiently construction.Can be in factory's big plate of prefabricated reinforced concrete permeable in advance, they are to be transported to construction existing After, can fast and efficiently it be installed.
2) road traffic is influenced small.It only constructs on pavement, construction area range is small, need not close a road to traffic or only need Short time takes traffic control scheme.
3) arrangement of reinforcement kerbstone and the big plate of reinforced concrete permeable are used cooperatively, and can prevent the root system of plant breakdown in roadside saturating Water ground structure substantially prolongs the service life of structure.
4) later maintenance of total is simple, and maintenance cost is low.It is applied widely, city pavement, city can be used in The ground such as city square, Urban Parks, residential neighborhoods.

Claims (6)

1. it is a kind of can rapid construction high-bearing capacity pervious surface, it includes aquifer (7), the reinforced concrete being superimposed from bottom to top The permeable big plate (5) of soil, the rubble stabilized zone (6) being arranged between aquifer (7) and the big plate of reinforced concrete permeable (5), setting Adhesive linkage (4) in the big plate of reinforced concrete permeable (5) upper surface, the water-permeable brick (3) being arranged on the adhesive linkage (4), It is characterized in that it further includes special kerbstone (1), the cross section structure of the special kerbstone (1) is by left-half and right half The broken line terraced structure that part is constituted, the right half part bottom end of the special kerbstone (1) is deep into aquifer (7); The big plate of the reinforced concrete permeable (5) is placed in the top of the right half part of special kerbstone (1);The armored concrete Permeable big plate (5) is the net platy structure for being evenly equipped with multiple permeable holes (52), in the position for avoiding permeable hole of the web plate It is provided with reinforcing bar (51).
2. as described in claim 1 can rapid construction high-bearing capacity pervious surface, it is characterised in that the special road The right half part top of kerb (1) is big equal to masonry mortar layer (2), reinforced concrete permeable to left-half tip height (H) The sum of the thickness of plate (5) and adhesive layer (4) and water-permeable brick (3);The length (L) and reinforced concrete of the special kerbstone (1) The width (W) of native permeable big plate 5 is equal.
3. as described in claims 1 or 2 can rapid construction high-bearing capacity pervious surface, it is characterised in that the reinforcing bar The permeable hole (52) of the big plate of concrete permeable (5) is up big and down small bucket-shaped structure.
4. as described in claim 1 can rapid construction high-bearing capacity pervious surface, it is characterised in that the water-permeable brick (3) it is the water-permeable brick with round permeable hole (31).
5. described in a kind of claim 1 can rapid construction high-bearing capacity pervious surface laying method, it is characterised in that It includes following step:
A:In the big plate of the prefabricated reinforced concrete permeable of factory's structure described in accordance with the claim 1 (5), special kerbstone (1) With the water-permeable brick (3) with round permeable hole (31);
B:The ditch wide with pavement is dug out in pavement position;
C:It is laid with simple grain diameter construction refuse regenerated aggregate and shakeouts, form aquifer (7);
D:It is laid with rubble stabilized zone (6) above aquifer (7), is flattened with light-duty road roller;
E:Special kerbstone (1) is buried close to trees side, the right half part bottom end of special kerbstone (1) is deep into aquifer (7) it in, digs narrow ditch recoil slurry and is laid with;
F:The big plate of reinforced concrete permeable (5) is laid with above special kerbstone (1) and rubble stabilized zone (6);Armored concrete Permeable big plate (5) paving location is laid with special kerbstone (1) fissure of displacement, and slurry is sat at the two contact surface and is laid with;
G:Sand-free coarse porous concrete haydite concrete is filled in the permeable hole (52) of the big plate of reinforced concrete permeable (5);
H:It is laid with the water-permeable brick (3) with round permeable hole above the big plate of reinforced concrete permeable (5), constitutes pavement face Layer sits slurry making when laying using common masonry mortar;
I:The common kerbstone of the road other side is installed.
6. as described in claim 5 can rapid construction high-bearing capacity pervious surface laying method, it is characterised in that institute The aquifer (7) stated is that simple grain grade construction refuse regenerated aggregate or ordinary gravel are laid with.
CN201810434449.7A 2018-05-08 2018-05-08 Can rapid construction high-bearing capacity pervious surface and laying method Pending CN108532406A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810434449.7A CN108532406A (en) 2018-05-08 2018-05-08 Can rapid construction high-bearing capacity pervious surface and laying method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810434449.7A CN108532406A (en) 2018-05-08 2018-05-08 Can rapid construction high-bearing capacity pervious surface and laying method

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Publication Number Publication Date
CN108532406A true CN108532406A (en) 2018-09-14

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109516768A (en) * 2018-11-13 2019-03-26 四川锐源能环科技有限公司 A kind of production method of sintered type water-permeable brick
CN109972474A (en) * 2018-12-12 2019-07-05 山东大学 Layering pervious concrete pavement is made using waste plastic
CN110485238A (en) * 2019-07-11 2019-11-22 上海市政工程设计研究总院(集团)有限公司 A kind of fabricated permeable pavement concrete slab
CN110485237A (en) * 2019-07-11 2019-11-22 上海市政工程设计研究总院(集团)有限公司 A kind of production method of fabricated permeable pavement concrete slab

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109516768A (en) * 2018-11-13 2019-03-26 四川锐源能环科技有限公司 A kind of production method of sintered type water-permeable brick
CN109972474A (en) * 2018-12-12 2019-07-05 山东大学 Layering pervious concrete pavement is made using waste plastic
CN110485238A (en) * 2019-07-11 2019-11-22 上海市政工程设计研究总院(集团)有限公司 A kind of fabricated permeable pavement concrete slab
CN110485237A (en) * 2019-07-11 2019-11-22 上海市政工程设计研究总院(集团)有限公司 A kind of production method of fabricated permeable pavement concrete slab

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