CN108238746A - A kind of pervious concrete and preparation method thereof - Google Patents
A kind of pervious concrete and preparation method thereof Download PDFInfo
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- CN108238746A CN108238746A CN201611217840.9A CN201611217840A CN108238746A CN 108238746 A CN108238746 A CN 108238746A CN 201611217840 A CN201611217840 A CN 201611217840A CN 108238746 A CN108238746 A CN 108238746A
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- aggregate
- pervious concrete
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- grain size
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- 239000011380 pervious concrete Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000012615 aggregate Substances 0.000 claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000004568 cement Substances 0.000 claims abstract description 36
- 238000010521 absorption reaction Methods 0.000 claims abstract description 20
- 239000004567 concrete Substances 0.000 claims abstract description 20
- 239000004575 stone Substances 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims description 17
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 239000010881 fly ash Substances 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- 230000035699 permeability Effects 0.000 description 4
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/0076—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials characterised by the grain distribution
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00284—Materials permeable to liquids
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to a kind of pervious concretes and preparation method thereof, belong to surface structures Material Field.Pervious concrete provided by the invention, the pervious concrete are made of cement, aggregate, water, adulterant, wherein, the aggregate is made of fine aggregate and coarse aggregate, wherein, the fine aggregate is the stone that grain size is 2~5mm；The coarse aggregate is discarded concrete rubble, is 1 in mass ratio by A classes and B classes rubble:1~1.3 is formed, wherein, the grain sizes of A class rubbles is 2.85~8.85mm, water absorption rate 2.9%, bulk density 1387kg/m3, apparent density 2990kg/m3The grain size of B class rubbles be 8.85~12.5mm, water absorption rate 2.65%, bulk density 1411kg/m3, apparent density 2931kg/m3.Pervious concrete formula is reasonable, in the performance basis for defining raw material, obtains the pervious concrete with higher-strength and porosity.
Description
Technical field
The present invention relates to a kind of pervious concretes and preparation method thereof, belong to surface structures Material Field.
Background technology
Pervious concrete is a kind of porous light concrete formed by aggregate, cement, reinforcing agent and water mixing, it is not
Containing fine aggregate, mutually bonded by coarse aggregate surface cladding a thin layer cement mortar and form the equally distributed honeycomb structure in hole,
Have the characteristics that ventilative, permeable and light-weight.Pervious concrete can allow rainwater to flow into underground when being layed on ground, effectively supplement
Underground water, and the harm of the environmental pollutions such as the oil compounds on ground can be effectively eliminated；Meanwhile be protection underground water,
Maintaining ecological balance, the excellent pavement material that urban heat land effect can be alleviated；It is conducive to the benign hair of environment for human survival
In exhibition and the work such as urban rainwater management and water prevention and cure of pollution, there is special significance.
Pervious concrete is while intensity requirement is met, it is also necessary to keep certain perforation hole to meet water penetration
It is required that therefore also to pass through mix-design and preparation process and addition other than selecting suitable raw material when preparing
Agent achievees the purpose that proof strength and porosity.
Invention content
The object of the present invention is to provide a kind of pervious concrete and preparation method thereof, pervious concrete formula is reasonable,
It defines in the performance basis of raw material, obtains the pervious concrete with higher-strength and porosity.
A kind of pervious concrete, the pervious concrete are made of cement, aggregate, water, adulterant, wherein,
The cement performance parameter is as follows：90~120min of presetting period, 180~220min of final setting time；7d pressure resistances
It spends for 35~45MPa, 7d flexural strengths are 5.5~8MPa；
The aggregate is made of fine aggregate and coarse aggregate, wherein, the fine aggregate is the stone that grain size is 2~5mm；
The coarse aggregate is discarded concrete rubble, is 1 in mass ratio by A classes and B classes rubble:1~1.3 is formed,
In,
The grain size of A class rubbles be 2.85~8.85mm, water absorption rate 2.9%, bulk density 1387kg/m3, apparent density
2990kg/m3
The grain size of B class rubbles be 8.85~12.5mm, water absorption rate 2.65%, bulk density 1411kg/m3, apparent density
2931kg/m3；
The adulterant is that flyash and slag micropowder are 1 in mass ratio:The mixture of 0.75~1.5 composition,
The ratio of mud of the concrete is 0.25~0.35, and aggregatecement ratio is 4.0~5.0.
Further, the pervious concrete is made of cement, aggregate, water, adulterant, wherein,
The cement performance parameter is as follows：90~100min of presetting period, 180~200min of final setting time；7d pressure resistances
It spends for 38.5~41.3MPa, 7d flexural strengths are 6.2~7.8MPa；
The aggregate is made of fine aggregate and coarse aggregate, wherein, the fine aggregate is the stone that grain size is 2~5mm；
The coarse aggregate is discarded concrete rubble, is 1 in mass ratio by A classes and B classes rubble:1.1~1.15 are formed,
Wherein,
The grain size of A class rubbles be 2.85~8.85mm, water absorption rate 2.9%, bulk density 1387kg/m3, apparent density
2990kg/m3
The grain size of B class rubbles be 8.85~12.5mm, water absorption rate 2.65%, bulk density 1411kg/m3, apparent density
2931kg/m3；
The adulterant is that flyash and slag micropowder are 1 in mass ratio:The mixture of 1.25 compositions,
The ratio of mud of the concrete is 0.28~0.32, and aggregatecement ratio is 4.26~4.58.
Further, the admixture dosage is the 10~12% of cement.
Further, the fine aggregate dosage is the 32~44% of cement.
The preparation method of above-mentioned pervious concrete is to stir cement, coarse aggregate, 50% water and adulterant in blender
Fine aggregate and 20% water are added in after mixing 30s, is stirred for 25s；Excess water is eventually adding, stirs 60s, both.
Beneficial effects of the present invention are：
Pervious concrete provided by the invention, the pervious concrete are made of cement, aggregate, water, adulterant, wherein,
The aggregate is made of fine aggregate and coarse aggregate, wherein, the fine aggregate is the stone that grain size is 2~5mm；The coarse aggregate is
Discarded concrete rubble is 1 in mass ratio by A classes and B classes rubble:1~1.3 is formed, wherein, the grain size of A class rubbles is
2.85~8.85mm, water absorption rate 2.9%, bulk density 1387kg/m3, apparent density 2990kg/m3The grain size of B class rubbles is
8.85~12.5mm, water absorption rate 2.65%, bulk density 1411kg/m3, apparent density 2931kg/m3.The pervious concrete formula
Rationally, in the performance basis for defining raw material, the pervious concrete with higher-strength and porosity is obtained.
Specific embodiment
Following non-limiting examples can make those of ordinary skill in the art be more fully understood the present invention, but not with
Any mode limits the present invention.
Test method described in following embodiments is conventional method unless otherwise specified；The reagent and material, such as
Without specified otherwise, commercially obtain.
Embodiment 1
A kind of pervious concrete, the pervious concrete are made of cement, aggregate, water, adulterant, wherein,
The cement performance parameter is as follows：Presetting period 90min, final setting time 180min；7d compression strength is
38.5MPa, 7d flexural strength are 6.2MPa；
The aggregate is made of fine aggregate and coarse aggregate, wherein, the fine aggregate is the stone that grain size is 2~5mm；
The coarse aggregate is discarded concrete rubble, is 1 in mass ratio by A classes and B classes rubble:1.1 are formed, wherein,
The grain size of A class rubbles be 2.85~8.85mm, water absorption rate 2.9%, bulk density 1387kg/m3, apparent density
2990kg/m3
The grain size of B class rubbles be 8.85~12.5mm, water absorption rate 2.65%, bulk density 1411kg/m3, apparent density
2931kg/m3；
The adulterant is that flyash and slag micropowder are 1 in mass ratio:The mixture of 1.25 compositions,
The ratio of mud of the concrete is 0.28, aggregatecement ratio 4.26.The admixture dosage is the 10% of cement.It is described
Fine aggregate dosage is the 32% of cement.
The preparation method of above-mentioned pervious concrete is to stir cement, coarse aggregate, 50% water and adulterant in blender
Fine aggregate and 20% water are added in after mixing 30s, is stirred for 25s；Excess water is eventually adding, stirs 60s, both.
The coefficient of permeability of gained pervious concrete is 1.29mm/s, and 7d compression strength is 29.8MPa, and 7d flexural strengths are
4.9MPa。
Embodiment 2
A kind of pervious concrete, the pervious concrete are made of cement, aggregate, water, adulterant, wherein,
The cement performance parameter is as follows：Presetting period 100min, final setting time 200min；7d compression strength is
41.3MPa, 7d flexural strength are 7.8MPa；
The aggregate is made of fine aggregate and coarse aggregate, wherein, the fine aggregate is the stone that grain size is 2~5mm；
The coarse aggregate is discarded concrete rubble, is 1 in mass ratio by A classes and B classes rubble:1.15 are formed, wherein,
The grain size of A class rubbles be 2.85~8.85mm, water absorption rate 2.9%, bulk density 1387kg/m3, apparent density
2990kg/m3
The grain size of B class rubbles be 8.85~12.5mm, water absorption rate 2.65%, bulk density 1411kg/m3, apparent density
2931kg/m3；
The adulterant is that flyash and slag micropowder are 1 in mass ratio:The mixture of 1.25 compositions,
The ratio of mud of the concrete is 0.3, aggregatecement ratio 4.44.The admixture dosage is the 10% of cement.It is described
Fine aggregate dosage is the 32% of cement.
The preparation method of above-mentioned pervious concrete is to stir cement, coarse aggregate, 50% water and adulterant in blender
Fine aggregate and 20% water are added in after mixing 30s, is stirred for 25s；Excess water is eventually adding, stirs 60s, both.
The coefficient of permeability of gained pervious concrete is 1.22mm/s, and 7d compression strength is 30.2MPa, and 7d flexural strengths are
5.23MPa。
Embodiment 3
A kind of pervious concrete, the pervious concrete are made of cement, aggregate, water, adulterant, wherein,
The cement performance parameter is as follows：Presetting period 90min, final setting time 180min；7d compression strength is 35MPa,
7d flexural strengths are 5.5MPa；
The aggregate is made of fine aggregate and coarse aggregate, wherein, the fine aggregate is the stone that grain size is 2~5mm；
The coarse aggregate is discarded concrete rubble, is 1 in mass ratio by A classes and B classes rubble:1.18 are formed, wherein,
The grain size of A class rubbles be 2.85~8.85mm, water absorption rate 2.9%, bulk density 1387kg/m3, apparent density
2990kg/m3
The grain size of B class rubbles be 8.85~12.5mm, water absorption rate 2.65%, bulk density 1411kg/m3, apparent density
2931kg/m3；
The adulterant is that flyash and slag micropowder are 1 in mass ratio:The mixture of 1 composition,
The ratio of mud of the concrete is 0.275, aggregatecement ratio 4.38.The admixture dosage is the 10% of cement.Institute
State 44% that fine aggregate dosage is cement.
The preparation method of above-mentioned pervious concrete is to stir cement, coarse aggregate, 50% water and adulterant in blender
Fine aggregate and 20% water are added in after mixing 30s, is stirred for 25s；Excess water is eventually adding, stirs 60s, both.
The coefficient of permeability of gained pervious concrete is 1.09mm/s, and 7d compression strength is 23MPa, and 7d flexural strengths are
4.3MPa。
Embodiment 4
A kind of pervious concrete, the pervious concrete are made of cement, aggregate, water, adulterant, wherein,
The cement performance parameter is as follows：Presetting period 90min, final setting time 180min；7d compression strength is
38.5MPa, 7d flexural strength are 6.2MPa；
The aggregate is made of fine aggregate and coarse aggregate, wherein, the fine aggregate is the stone that grain size is 2~5mm；
The coarse aggregate is discarded concrete rubble, is 1 in mass ratio by A classes and B classes rubble:1.1 are formed, wherein,
The grain size of A class rubbles be 2.85~8.85mm, water absorption rate 2.9%, bulk density 1387kg/m3, apparent density
2990kg/m3
The grain size of B class rubbles be 8.85~12.5mm, water absorption rate 2.65%, bulk density 1411kg/m3, apparent density
2931kg/m3；
The adulterant is that flyash and slag micropowder are 1 in mass ratio:The mixture of 1.2 compositions, the concrete
The ratio of mud is 0.32, aggregatecement ratio 4.26.The admixture dosage is the 12% of cement.The fine aggregate dosage is cement
40.5%.
The coefficient of permeability of gained pervious concrete is 1.2mm/s, and 7d compression strength is 25.3MPa, and 7d flexural strengths are
4.52MPa。
Claims (6)
1. a kind of pervious concrete, it is characterised in that：The pervious concrete is made of cement, aggregate, water, adulterant, wherein,
The cement performance parameter is as follows：90~120min of presetting period, 180~220min of final setting time；7d compression strength is
35~45MPa, 7d flexural strength are 5.5~8MPa；
The aggregate is made of fine aggregate and coarse aggregate, wherein, the fine aggregate is the stone that grain size is 2~5mm；
The coarse aggregate is discarded concrete rubble, is 1 in mass ratio by A classes and B classes rubble:1~1.3 is formed, wherein,
The grain size of A class rubbles be 2.85~8.85mm, water absorption rate 2.9%, bulk density 1387kg/m3, apparent density 2990kg/
m3
The grain size of B class rubbles be 8.85~12.5mm, water absorption rate 2.65%, bulk density 1411kg/m3, apparent density 2931kg/
m3；
The adulterant is that flyash and slag micropowder are 1 in mass ratio:The mixture of 0.75~1.5 composition,
The ratio of mud of the concrete is 0.25~0.35, and aggregatecement ratio is 4.0~5.0.
2. pervious concrete according to claim 1, it is characterised in that：The pervious concrete by cement, aggregate, water,
Adulterant forms, wherein,
The cement performance parameter is as follows：90~100min of presetting period, 180~200min of final setting time；7d compression strength is
38.5~41.3MPa, 7d flexural strength are 6.2~7.8MPa；
The aggregate is made of fine aggregate and coarse aggregate, wherein, the fine aggregate is the stone that grain size is 2~5mm；
The coarse aggregate is discarded concrete rubble, is 1 in mass ratio by A classes and B classes rubble:1.1~1.15 are formed,
In,
The grain size of A class rubbles be 2.85~8.85mm, water absorption rate 2.9%, bulk density 1387kg/m3, apparent density 2990kg/
m3
The grain size of B class rubbles be 8.85~12.5mm, water absorption rate 2.65%, bulk density 1411kg/m3, apparent density 2931kg/
m3；
The adulterant is that flyash and slag micropowder are 1 in mass ratio:The mixture of 1.25 compositions,
The ratio of mud of the concrete is 0.28~0.32, and aggregatecement ratio is 4.26~4.58.
3. pervious concrete according to claim 1, it is characterised in that：The admixture dosage for cement 10~
12%.
4. pervious concrete according to claim 1, it is characterised in that：The fine aggregate dosage for cement 32~
44%.
5. pervious concrete according to claim 2, it is characterised in that：The ratio of mud of the concrete is 0.31, bone ash
Than being 4.35.
6. the preparation method of pervious concrete described in claim 1, it is characterised in that：By cement, coarse aggregate, 50% water and mix
Fine aggregate and 20% water are added in after stirring 30s in blender with agent, is stirred for 25s；Excess water is eventually adding, stirs 60s,
Both.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217840.9A CN108238746A (en) | 2016-12-26 | 2016-12-26 | A kind of pervious concrete and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217840.9A CN108238746A (en) | 2016-12-26 | 2016-12-26 | A kind of pervious concrete and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108238746A true CN108238746A (en) | 2018-07-03 |
Family
ID=62701306
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611217840.9A Pending CN108238746A (en) | 2016-12-26 | 2016-12-26 | A kind of pervious concrete and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108546052A (en) * | 2018-07-13 | 2018-09-18 | 南昌辉蝶混凝土有限公司 | A kind of Sand-free permeable concrete |
| CN109160790A (en) * | 2018-10-22 | 2019-01-08 | 湖北工业大学 | pervious concrete and preparation method thereof |
| CN110128068A (en) * | 2019-06-05 | 2019-08-16 | 滁州市炬基节能新型建材有限公司 | Useless pervious concretes of a kind of cavernous body pair and preparation method thereof |
| CN110414178A (en) * | 2019-08-07 | 2019-11-05 | 东北大学 | A kind of aggregate interlocking concrete mixing proportion design method based on gap |
| CN110467400A (en) * | 2019-09-12 | 2019-11-19 | 深圳港创建材股份有限公司 | One kind mixing the freeze proof pervious concrete of rubber |
| CN112250358A (en) * | 2020-10-19 | 2021-01-22 | 武汉娲石商砼有限公司 | Pervious concrete and preparation method thereof |
| CN112408923A (en) * | 2020-11-21 | 2021-02-26 | 湖北云海混凝土有限公司 | Permeable compression-resistant concrete and preparation method thereof |
| CN113912337A (en) * | 2021-11-17 | 2022-01-11 | 中交二公局第三工程有限公司 | Non-cracking pervious concrete and preparation method thereof |
-
2016
- 2016-12-26 CN CN201611217840.9A patent/CN108238746A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108546052A (en) * | 2018-07-13 | 2018-09-18 | 南昌辉蝶混凝土有限公司 | A kind of Sand-free permeable concrete |
| CN109160790A (en) * | 2018-10-22 | 2019-01-08 | 湖北工业大学 | pervious concrete and preparation method thereof |
| CN109160790B (en) * | 2018-10-22 | 2020-12-18 | 湖北工业大学 | Pervious concrete and preparation method thereof |
| CN110128068A (en) * | 2019-06-05 | 2019-08-16 | 滁州市炬基节能新型建材有限公司 | Useless pervious concretes of a kind of cavernous body pair and preparation method thereof |
| CN110414178A (en) * | 2019-08-07 | 2019-11-05 | 东北大学 | A kind of aggregate interlocking concrete mixing proportion design method based on gap |
| CN110414178B (en) * | 2019-08-07 | 2022-12-16 | 东北大学 | Aggregate interlocking concrete mix proportion design method based on gaps |
| CN110467400A (en) * | 2019-09-12 | 2019-11-19 | 深圳港创建材股份有限公司 | One kind mixing the freeze proof pervious concrete of rubber |
| CN112250358A (en) * | 2020-10-19 | 2021-01-22 | 武汉娲石商砼有限公司 | Pervious concrete and preparation method thereof |
| CN112408923A (en) * | 2020-11-21 | 2021-02-26 | 湖北云海混凝土有限公司 | Permeable compression-resistant concrete and preparation method thereof |
| CN113912337A (en) * | 2021-11-17 | 2022-01-11 | 中交二公局第三工程有限公司 | Non-cracking pervious concrete and preparation method thereof |
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Application publication date: 20180703 |