CN106758642A - A kind of colorful water-permeable concrete entirety pavement structure and its construction method - Google Patents

A kind of colorful water-permeable concrete entirety pavement structure and its construction method Download PDF

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Publication number
CN106758642A
CN106758642A CN201611261076.5A CN201611261076A CN106758642A CN 106758642 A CN106758642 A CN 106758642A CN 201611261076 A CN201611261076 A CN 201611261076A CN 106758642 A CN106758642 A CN 106758642A
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China
Prior art keywords
layer
water
permeable concrete
road surface
colorful water
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Pending
Application number
CN201611261076.5A
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Chinese (zh)
Inventor
李谦
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Shanghai Lianggu Ecological Environment Technology Co., Ltd
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李谦
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Priority to CN201611261076.5A priority Critical patent/CN106758642A/en
Publication of CN106758642A publication Critical patent/CN106758642A/en
Pending legal-status Critical Current

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    • 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
    • E01C7/10Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
    • E01C7/14Concrete paving
    • 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
    • E01C11/226Coherent pavings
    • 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
    • E01C7/10Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
    • E01C7/14Concrete paving
    • E01C7/142Mixtures or their components, e.g. aggregate
    • 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
    • E01C7/10Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
    • E01C7/14Concrete paving
    • E01C7/145Sliding coverings, underlayers or intermediate layers ; Isolating or separating intermediate layers; Transmission of shearing force in horizontal intermediate planes, e.g. by protrusions, by inlays

Abstract

The invention discloses a kind of colorful water-permeable concrete entirety pavement structure and its construction method, the pavement structure includes that colorful water-permeable top course, primary colors porous pavement bottom, coarse sand screed-coat, graded broken stone store and is detained water layer and rammed earth layer from top to down.Construction method includes step:Jolt ramming → finished product protection → joint-cutting joint filling → maintenance of surface → sprayed protection agent is transported → paved to native base treatment → paving level with layer → paving screed-coat → measurement formwork → bring down stocks levelling → mix.Colorful water-permeable concrete of the invention entirety road surface with infiltration prevention waterlogging, improves urban Heat Environment, purification surface runoff, recharge of groundwater, slows down surface subsidence, dust suction noise reduction, the renewable ecological, environmental protective function such as recycle due to itself concrete dynamic modulus special construction.The performance on colorful water-permeable concrete entirety road surface is improved, its permeability rate and durability is improve, area of application is expanded.

Description

A kind of colorful water-permeable concrete entirety pavement structure and its construction method
Technical field
The present invention relates to pavement construction technical field, and in particular to a kind of colorful water-permeable concrete entirety pavement structure and its Construction method.
Background technology
Colorful water-permeable concrete entirety road surface is that one kind can rapidly absorb ground rainwater runoff as sponge, is conducive to Improve pervious surface outside the novel building room of urban ecological environment to mat formation.It has that permeability rate is high, bearing capacity strong, durable wear-resistant, Absorbing sound and lowering noise, it is freeze proof it is heat-resisting, be widely used, quick construction the features such as, can, artistry colorful according to Environment Design making with The colorful water-permeable concrete entirety road surface that sight is combined.Requirement and R&D work according to country to sponge urban construction Deepen continuously, colorful water-permeable concrete entirety road surface will turn into the important component for building sponge urban construction, be built in city If in have extensive application value.
The content of the invention
Be to solve the defect that above-mentioned technology is present, the invention provides a kind of colorful water-permeable concrete entirety pavement structure and Its construction method.
The present invention realize technical scheme that above-mentioned technique effect used for:
A kind of colorful water-permeable concrete entirety pavement structure, the pavement structure includes the thick colorful water-permeables of 3cm from top to down The primary colors porous pavement bottom of top course, 5cm or 9cm thickness, the coarse sand screed-coat of 2cm thickness, 20cm thick graded broken stone stores stagnant The rammed earth layer of water layer and compacting factor >=93 ﹪, graded broken stone is stayed to store the gravel aggregate for being detained water layer by 20~60mm particle diameters Constitute.
A kind of construction method of above-mentioned colorful water-permeable concrete entirety pavement structure, the construction method includes step:
1) native base treatment, before subgrade construction, should be applied on compacting factor >=93 ﹪ and the soil matrix of surfacing layer Work;
2) paving level match somebody with somebody layer, by the gravel aggregate of 20~60mm particle diameters, in proportion after mix, soil matrix layer on pave it is smooth simultaneously By vibroroller cmpacting, 200mm thickness and desired compactness are reached;
3) screed-coat is spread, pave 20mm thick coarse sands layer, levelling with artificial for joint filling, watering makes coarse sand be carried out after moistening Roll, scope of operation moistening is kept before pouring;
4) formwork is measured, construction drawing sign elevation, center line, sideline releasing pile No. position is pressed on screed-coat, and on road Both sides of the edge set index stake, and mark basic unit's elevation, and during formwork, template top mark is high with colorful water-permeable concrete entirety top course Absolute altitude is consistent;
5) levelling, substrate surface in cleaning mould is brought down stocks, makes its smooth solid, coarse clean, its surface elevation control errors In 0~15mm, scope of operation moistening is kept before pouring;
6) aggregate blending, is stirred using forced mixer, notices that gathering materials for different colours should not mix during stirring, Or gathering materials for different color is stirred respectively using different mixers, in aggregate blending operation, will gather materials, cement, binding agent, Toner and other inserts, mixer is added by coordination in works metering is disposable simultaneously, is then progressively added water, and mix is uniform, Wherein, match ratio of gathering materials is, cement:Water:Gather materials:Bonding agent:Colouring agent=1:0.345:3.89:0.02:0.046.
7) pave jolt ramming, and mixture paves uniformly, and coefficient of loose laying is 1.2 when paving, using low frequency plate vibrator jolt ramming It is levelling, to corner etc. should artificial feed supplement in time it is levelling, after its bottom jolt ramming is levelling, colorful water-permeable concrete topping and bottom are mixed Solidifying soil synchronization continuous placing, after the completion of colorful water-permeable concrete base is poured, continues the surface layer mixture that paves, after the jolt ramming that paves, Slurry is received using trowelling machine is floating to surface layer, keeps template top surface clean and tidy during leveling, seam crossing plate face is smooth;
8) finished product protection, road surface pouring construction is finished, and the safeguard measures such as fence, warning tape and artificial nurse are set in time, Close traffic is answered during entering maintenance, maintenance of surface after 24h, does not allow to stack weight, pavement construction is removed after completing l~2d Template, prevents from damaging surface, the corner angle on road surface during operation;
9) joint-cutting joint filling, after the completion of pavement construction, in 3d or so by design requirement cutting contracting seam and expansion joint (E.J.).Depth is cut in contracting seaming and cutting It is the 2/3 of road surface thickness to spend, and expansion joint (E.J.) depth of cut is identical with road surface thickness, and the width of pavement contraction joint is 5mm, the width of road surface expansion joint (E.J.) It is 15mm to spend;
10) maintenance of surface, notes watering moisturizing during maintenance, prohibit the use of;
11) sprayed protection agent, starts sprayed protection agent after 5~7d of maintenance of surface, after completing road surface protective agent spraying 12h, Can come into operation.
Beneficial effects of the present invention are:Colorful water-permeable concrete entirety pavement structure colorful water-permeable concrete of the invention is whole Body pavement structure is more and more sparse from top to bottom, afterwards directly contact ground soil layer, and it is single to wrap up particle diameter by binder paste Coarse aggregate particle form the packed structures of interconnected pore, the match ratio and construction technology for optimizing in addition have so as to reach The overall road surface of high water-permeability and sufficient intensity.Permeability rate is high, its coefficient of permeability >=1mm/s.Frost resistance is strong, and its 50 freeze thawing are followed Compression strength loss rate≤20 ﹪ after ring, mass loss rate≤5 ﹪ after 50 Frozen-thawed cycleds.It is heat-resist, 110 DEG C/7d high temperature The ﹪ of compression strength loss rate < 0.2 after coefficient of permeability loss late < 0.1 ﹪, 110 DEG C/7d high-temperature process after treatment.Be conducive to rain Water rapid osmotic, mitigates municipal drainage facility burden, alleviates urban waterlogging disaster, is conducive to supplement reduction groundwater resources, subtracts Lightly face Harm of sedimentation, is conducive to summer underground water energy to be evaporated by road surface hole, humidifying cooling, suppresses urban heat land effect, Be conducive to the absorption of road pavement airborne dust, dust, mitigate urban air pollution, safeguard good human settlement, bright in luster, pattern It is beautiful, colour-fast.Design and color can be designed according to environment and road surface demand, make road surface art of landscape decorative effect with Surrounding environment perfect adaptation, mutually proper evident, execute-in-place is simple, and speed of application is fast, it is easy to maintenance and repair, long service life.
Specific embodiment
In order to be more clearly understood to technical characteristic of the invention, purpose and effect, now with specific embodiment to this Invention is illustrated.
The invention provides a kind of colorful water-permeable concrete entirety pavement structure, the pavement structure includes 3cm from top to down Thick colorful water-permeable top course, 5cm or 9cm thick primary colors porous pavement bottom, 2cm thick coarse sand screed-coat, 20cm are thick Graded broken stone stores the rammed earth layer for being detained water layer and compacting factor >=93 ﹪, and graded broken stone stores and is detained water layer by 20~60mm The gravel aggregate in footpath is constituted.
A kind of construction method of above-mentioned colorful water-permeable concrete entirety pavement structure, the construction method includes step:
1) native base treatment, before subgrade construction, should be applied on compacting factor >=93 ﹪ and the soil matrix of surfacing layer Work;
2) paving level match somebody with somebody layer, by the gravel aggregate of 20~60mm particle diameters, in proportion after mix, soil matrix layer on pave it is smooth simultaneously By vibroroller cmpacting, 200mm thickness and desired compactness are reached;
3) screed-coat is spread, pave 20mm thick coarse sands layer, levelling with artificial for joint filling, watering makes coarse sand be carried out after moistening Roll, scope of operation moistening is kept before pouring;
4) formwork is measured, construction drawing sign elevation, center line, sideline releasing pile No. position is pressed on screed-coat, and on road Both sides of the edge set index stake, and mark basic unit's elevation, and during formwork, template top mark is high with colorful water-permeable concrete entirety top course Absolute altitude is consistent;
5) levelling, substrate surface in cleaning mould is brought down stocks, makes its smooth solid, coarse clean, its surface elevation control errors In 0~15mm, scope of operation moistening is kept before pouring;
6) aggregate blending, is stirred using forced mixer, notices that gathering materials for different colours should not mix during stirring, Or gathering materials for different color is stirred respectively using different mixers, in aggregate blending operation, will gather materials, cement, binding agent, Toner and other inserts, mixer is added by coordination in works metering is disposable simultaneously, is then progressively added water, and mix is uniform, Wherein, match ratio of gathering materials is, cement:Water:Gather materials:Bonding agent:Colouring agent=1:0.345:3.89:0.02:0.046.
7) pave jolt ramming, and mixture paves uniformly, and coefficient of loose laying is 1.2 when paving, using low frequency plate vibrator jolt ramming It is levelling, to corner etc. should artificial feed supplement in time it is levelling, after its bottom jolt ramming is levelling, colorful water-permeable concrete topping and bottom are mixed Solidifying soil synchronization continuous placing, after the completion of colorful water-permeable concrete base is poured, continues the surface layer mixture that paves, after the jolt ramming that paves, Slurry is received using trowelling machine is floating to surface layer, keeps template top surface clean and tidy during leveling, seam crossing plate face is smooth;
8) finished product protection, road surface pouring construction is finished, and the safeguard measures such as fence, warning tape and artificial nurse are set in time, Close traffic is answered during entering maintenance, maintenance of surface after 24h, does not allow to stack weight, pavement construction is removed after completing l~2d Template, prevents from damaging surface, the corner angle on road surface during operation;
9) joint-cutting joint filling, after the completion of pavement construction, in 3d or so by design requirement cutting contracting seam and expansion joint (E.J.).Depth is cut in contracting seaming and cutting It is the 2/3 of road surface thickness to spend, and expansion joint (E.J.) depth of cut is identical with road surface thickness, and the width of pavement contraction joint is 5mm, the width of road surface expansion joint (E.J.) It is 15mm to spend;
10) maintenance of surface, notes watering moisturizing during maintenance, prohibit the use of;
11) sprayed protection agent, starts sprayed protection agent after 5~7d of maintenance of surface, after completing road surface protective agent spraying 12h, Can come into operation.
In sum, colorful water-permeable concrete entirety pavement structure of the invention is more and more sparse from top to bottom, Zhi Houzhi Contact layer of ground soil, the packed structures that the single coarse aggregate particle of particle diameter forms interconnected pore are wrapped up by binder paste, The match ratio and construction technology for optimizing in addition, so as to reach the overall road surface with high water-permeability and sufficient intensity.Permeability rate Height, its coefficient of permeability >=1mm/s.Frost resistance is strong, and compression strength loss rate≤20 ﹪ after its 50 Frozen-thawed cycleds, 50 freeze thawing are followed Mass loss rate≤5 ﹪ after ring.It is heat-resist, the ﹪ of coefficient of permeability loss late < 0.1,110 DEG C/7d after 110 DEG C/7d high-temperature process The ﹪ of compression strength loss rate < 0.2 after high-temperature process.Be conducive to rainwater rapid osmotic, mitigate municipal drainage facility burden, alleviate Urban waterlogging disaster, is conducive to supplement reduction groundwater resources, mitigates surface subsidence harm, is conducive to summer underground water energy to pass through Road surface hole evaporation, humidifying cooling suppresses urban heat land effect, is conducive to the absorption of road pavement airborne dust, dust, mitigates city empty Gas pollutes, and safeguards good human settlement, and bright in luster, pattern is beautiful, colour-fast.Design and color can be according to environment and road surface Demand is designed, and makes road surface art of landscape decorative effect and surrounding environment perfect adaptation, mutually proper evident, execute-in-place letter Single, speed of application is fast, it is easy to maintenance and repair, long service life.
General principle of the invention, principal character and advantages of the present invention has been shown and described above.The technology of the industry Personnel it should be appreciated that the present invention is not limited to the above embodiments, the simply present invention described in above-described embodiment and specification Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and Improvement is both fallen within the range of claimed invention, the protection domain of application claims by appending claims and its Equivalent is defined.

Claims (2)

1. a kind of colorful water-permeable concrete entirety pavement structure, it is characterised in that the pavement structure includes that 3cm is thick from top to down The primary colors porous pavement bottom of colorful water-permeable top course, 5cm or 9cm thickness, the coarse sand screed-coat of 2cm thickness, 20cm thick level is matched somebody with somebody Rubble stores the rammed earth layer for being detained water layer and compacting factor >=93 ﹪, and graded broken stone stores and is detained water layer by 20~60mm particle diameters Gravel aggregate is constituted.
2. the construction method of a kind of colorful water-permeable concrete entirety pavement structure according to claim 1, it is characterised in that The construction method includes step:
1) native base treatment, before subgrade construction, should be constructed on compacting factor >=93 ﹪ and the soil matrix of surfacing layer;
2) paving level matches somebody with somebody layer, by the gravel aggregate of 20~60mm particle diameters, in proportion after mix, paves smooth on soil matrix layer and passes through Vibroroller cmpacting, reaches 200mm thickness and desired compactness;
3) screed-coat is spread, pave 20mm thick coarse sands layer, levelling with artificial for joint filling, watering makes coarse sand be ground after moistening Pressure, keeps scope of operation moistening before pouring;
4) formwork is measured, construction drawing sign elevation, center line, sideline releasing pile No. position is pressed on screed-coat, and in road both sides Edge sets index stake, and marks basic unit's elevation, and during formwork, template top mark is high with colorful water-permeable concrete entirety top course absolute altitude Unanimously;
5) bring down stocks levelling, substrate surface in cleaning mould, make its smooth solid, coarse clean, its surface elevation control errors 0~ In 15mm, scope of operation moistening is kept before pouring;
6) aggregate blending, is stirred using forced mixer, notices that gathering materials for different colours should not mix during stirring, or adopt Gathering materials for different color is stirred respectively with different mixers, in aggregate blending operation, will be gathered materials, cement, binding agent, colouring agent And other inserts, mixer is added simultaneously by coordination in works metering is disposable, then progressively add water, mix is uniform, wherein, Match ratio of gathering materials is, cement:Water:Gather materials:Bonding agent:Colouring agent=1:0.345:3.89:0.02:0.046.
7) pave jolt ramming, and mixture paves uniformly, and coefficient of loose laying is 1.2 when paving, levelling using low frequency plate vibrator jolt ramming, To corner etc. should artificial feed supplement in time it is levelling, after its bottom jolt ramming is levelling, colorful water-permeable concrete topping and bottom concrete Synchronous continuous placing, after the completion of colorful water-permeable concrete base is poured, continues the surface layer mixture that paves, and after the jolt ramming that paves, uses Trowelling machine is floating to surface layer to receive slurry, keeps template top surface clean and tidy during leveling, and seam crossing plate face is smooth;
8) finished product protection, road surface pouring construction is finished, and the safeguard measures such as fence, warning tape and artificial nurse is set in time, in 24h Close traffic is answered during entering maintenance, maintenance of surface afterwards, does not allow to stack weight, pavement construction completes form removal after l~2d, Prevent from damaging surface, the corner angle on road surface during operation;
9) joint-cutting joint filling, after the completion of pavement construction, in 3d or so by design requirement cutting contracting seam and expansion joint (E.J.).Depth of cut is stitched in contracting The 2/3 of road surface thickness, expansion joint (E.J.) depth of cut is identical with road surface thickness, and the width of pavement contraction joint is 5mm, and the width of road surface expansion joint (E.J.) is 15mm;
10) maintenance of surface, notes watering moisturizing during maintenance, prohibit the use of;
11) sprayed protection agent, starts sprayed protection agent after 5~7d of maintenance of surface, after completing road surface protective agent spraying 12h, can Come into operation.
CN201611261076.5A 2016-12-30 2016-12-30 A kind of colorful water-permeable concrete entirety pavement structure and its construction method Pending CN106758642A (en)

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107338699A (en) * 2017-06-02 2017-11-10 李谦 A kind of sidewalk for visually impaired people construction method on colorful water-permeable road surface
CN107651890A (en) * 2017-09-13 2018-02-02 无锡市交通工程有限公司 A kind of concrete formulation and concrete road laying method
CN108086089A (en) * 2017-12-26 2018-05-29 绵阳市靓固建设工程有限公司 Application of the colorful water-permeable road surface in environmental protection
CN108425299A (en) * 2018-04-16 2018-08-21 黄河三角洲京博化工研究院有限公司 A kind of rapid constructing method of bilayer pervious concrete load-bearing road
CN110644318A (en) * 2019-09-30 2020-01-03 上海隆基建设股份有限公司 Concrete construction method for field road pavement
CN111809474A (en) * 2020-08-04 2020-10-23 中建八局第二建设有限公司 Garden road color asphalt pervious concrete construction method
CN111979869A (en) * 2020-08-31 2020-11-24 交通运输部公路科学研究所 Wear-resistant material embedded anti-sliding layer of newly-built cement concrete pavement and construction method
CN112501976A (en) * 2020-12-17 2021-03-16 中交三公局第三工程有限公司 Construction method of high-strength permeable concrete for non-motor vehicle lane
CN113882209A (en) * 2021-11-05 2022-01-04 广东彩居建筑工程有限公司 Micropore ecological cast-in-place pavement system surface layer and pavement construction method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870422A (en) * 1974-06-07 1975-03-11 Medico Christine Porous pavement
CN101293763A (en) * 2008-06-26 2008-10-29 河南国基建设集团有限公司 Water permeable concrete and pavement construction method
CN204475100U (en) * 2015-02-13 2015-07-15 许勇 A kind of permeable urban road
CN105256692A (en) * 2015-09-10 2016-01-20 重庆建工住宅建设有限公司 Color and pervious concrete pavement structure and construction technology therefor
CN105544338A (en) * 2016-01-28 2016-05-04 绵阳靓固科技有限公司 Colored water permeable integral pavement and construction technology

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870422A (en) * 1974-06-07 1975-03-11 Medico Christine Porous pavement
CN101293763A (en) * 2008-06-26 2008-10-29 河南国基建设集团有限公司 Water permeable concrete and pavement construction method
CN204475100U (en) * 2015-02-13 2015-07-15 许勇 A kind of permeable urban road
CN105256692A (en) * 2015-09-10 2016-01-20 重庆建工住宅建设有限公司 Color and pervious concrete pavement structure and construction technology therefor
CN105544338A (en) * 2016-01-28 2016-05-04 绵阳靓固科技有限公司 Colored water permeable integral pavement and construction technology

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107338699A (en) * 2017-06-02 2017-11-10 李谦 A kind of sidewalk for visually impaired people construction method on colorful water-permeable road surface
CN107651890A (en) * 2017-09-13 2018-02-02 无锡市交通工程有限公司 A kind of concrete formulation and concrete road laying method
CN108086089A (en) * 2017-12-26 2018-05-29 绵阳市靓固建设工程有限公司 Application of the colorful water-permeable road surface in environmental protection
CN108425299A (en) * 2018-04-16 2018-08-21 黄河三角洲京博化工研究院有限公司 A kind of rapid constructing method of bilayer pervious concrete load-bearing road
CN110644318A (en) * 2019-09-30 2020-01-03 上海隆基建设股份有限公司 Concrete construction method for field road pavement
CN111809474A (en) * 2020-08-04 2020-10-23 中建八局第二建设有限公司 Garden road color asphalt pervious concrete construction method
CN111979869A (en) * 2020-08-31 2020-11-24 交通运输部公路科学研究所 Wear-resistant material embedded anti-sliding layer of newly-built cement concrete pavement and construction method
CN112501976A (en) * 2020-12-17 2021-03-16 中交三公局第三工程有限公司 Construction method of high-strength permeable concrete for non-motor vehicle lane
CN113882209A (en) * 2021-11-05 2022-01-04 广东彩居建筑工程有限公司 Micropore ecological cast-in-place pavement system surface layer and pavement construction method

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