CN108191341A - 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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- CN108191341A CN108191341A CN201810134252.1A CN201810134252A CN108191341A CN 108191341 A CN108191341 A CN 108191341A CN 201810134252 A CN201810134252 A CN 201810134252A CN 108191341 A CN108191341 A CN 108191341A
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- pervious concrete
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- 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
- C04B28/02—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 containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland 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
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of pervious concretes, and according to the mass fraction, 300 500 parts of cement, 1,500 1700 parts of aggregate, 9 15 parts of water-reducing agent, 15 50 parts of reinforcing agent, 90 125 parts of water, wherein reinforcing agent are by SILICA FUME, superfine powder and nano material TiO2Composition, by mass percentage, aluminium oxide accounts for 0.92% in the reinforcing agent, and calcium oxide accounts for 0.14%, and iron oxide accounts for 0.27%, magnesia accounts for 1.59%, silica accounts for 93.11%, igloss 3.18%, and permeation coefficient of permeable concrete prepared by the present invention is big, compression strength is strong, meets the pavement construction of high intensity requirement.
Description
Technical field
The present invention relates to concrete field, it particularly relates to a kind of pervious concrete and preparation method thereof.
Background technology
Modern city earth's surface Common Concrete Pavement lacks respiratory, absorbs heat and permeates the ability of rainwater, therewith
Bring a series of environmental problem.The approach that road surface is then this series of problems of solution is laid with using pervious concrete.It is existing
Pervious concrete match ratio be basis《Water-permeable cement concrete pavement technique regulation》（CJJ/T135-2009）Defined method
It is designed, this method is not suitable for the pavement construction of higher intensity requirement.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Invention content
For the above-mentioned technical problem in the relevant technologies, the present invention proposes a kind of pervious concrete and preparation method thereof, energy
Enough solve above-mentioned technical problem.
To realize the above-mentioned technical purpose, the technical proposal of the invention is realized in this way：
A kind of pervious concrete, according to the mass fraction, by following material preparation：300-500 parts of cement, 1500-1700 parts of aggregate,
9-15 parts of water-reducing agent, 15-50 parts of reinforcing agent, 90-125 parts of water.
Further, by following material preparation：400 parts of cement, 1650 parts of aggregate, 12 parts of water-reducing agent, 20 parts of reinforcing agent, water
115 parts.
Further, the reinforcing agent is by SILICA FUME, superfine powder and nano material TiO2Composition, by mass percentage,
Aluminium oxide accounts for 0.92% in the reinforcing agent, and calcium oxide accounts for 0.14%, and iron oxide accounts for 0.27%, and magnesia accounts for 1.59%, silica
93.11% is accounted for, igloss 3.18%.
Further, the specific surface area of the reinforcing agent is 25000m2/ kg, activity index 102%.
Further, 42.5 Portland cement of cement selection or 52.5 Portland cements.
Further, the aggregate selects single-stage to match basalt matter rubble, and the aggregate size is 2.36-4.75mm.
A kind of preparation method of pervious concrete, includes the following steps：
S1. prepare raw material：According to the mass fraction, cement 300-500 parts, 1500-1700 parts of aggregate, 9-15 parts of water-reducing agent increases
Strong 15-50 parts of agent, 90-125 parts of water, wherein reinforcing agent are by SILICA FUME, superfine powder and nano material TiO2Composition, by quality percentage
Than meter, aluminium oxide accounts for 0.92% in the reinforcing agent, and calcium oxide accounts for 0.14%, and iron oxide accounts for 0.27%, and magnesia accounts for 1.59%, dioxy
SiClx accounts for 93.11%, igloss 3.18%；
S2. raw material each in step S1 is mixed, obtains the pervious concrete.
Further, step S2 the specific steps are：After sequentially adding aggregate, reinforcing agent and cement dry mixing, add water and
Water-reducing agent is mixed.
Further, step S2 specific steps include：
S21. all aggregates, 75% water, all reinforcing agents are put into successively is stirred 15-30s；
S22. all cement, all water-reducing agents, 25% water is put into again to be stirred to uniform.
Beneficial effects of the present invention：Permeation coefficient of permeable concrete prepared by the present invention is big, and compression strength is strong, meets high-strength
Spend the pavement construction of requirement.
Specific embodiment
The technical solution in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiments obtained, shall fall within the protection scope of the present invention.
The determining method of Stock allotment right：
The size of the ratio of mud directly affects the intensity and coefficient of permeability of pervious concrete, coefficient of permeability with the reduction of the ratio of mud and
Increase can be determined by the ratio between intensity and porosity, then carried out experiment again and checked.The ratio of mud is smaller, pervious concrete
Intensity is higher, and coarse aggregate cannot be completely wrapped, and coefficient of permeability increases, but mobility can be deteriorated, and can bring difficulty to construction.
Unit consumption of water：Unit consumption of water is the principal element for controlling concrete mix mobility.Determine concrete list
Position water consumption principle be subject to meet concrete mix mobility requirement.Influence the factor of concrete unit consumption of water very
It is more, such as the quality of aggregate and grading, maximum aggregate size, cement water requiremen and use additive situation.The method of determining is root
Unit consumption of water empirical value is obtained according to real data is summarized.
The ratio between reinforcing agent and cement consumption：It is determined according to intensity requirement.
The ratio between high efficiency water reducing agent and cement consumption：Concrete 28d compression strength 30%~60% can be improved.Volume is higher than
When 3%, water-reducing effect is with regard to unobvious.Determine that method is determined according to intensity requirement.
Reinforcing agent adulteration method：
Inner blending method：Under the premise of amount of water is constant, 1 Fen Ang sections reinforcing agent may replace 3-5 parts of cement（Weight）And keep coagulation
Native compression strength is constant and improves concrete other performance.
Outer doping：Cement consumption is constant, adds reinforcing agent and then significantly improves concrete strength and other performance.Concrete incorporation increases
There is certain slump-loss during strong agent, this point need to be noted that in Mix Ratio Test.
Embodiment 1
Prepare raw material：According to the mass fraction, 300 parts of cement, aggregate 1500,9 parts of water-reducing agent, 15 parts of reinforcing agent, 90 parts of water,
Middle reinforcing agent is by SILICA FUME, superfine powder and nano material TiO2Composition, the specific surface area of reinforcing agent is 25000m2/ kg, activity refer to
Number is 102%, and by mass percentage, aluminium oxide accounts for 0.92% in the reinforcing agent, and calcium oxide accounts for 0.14%, and iron oxide accounts for
0.27%, magnesia accounts for 1.59%, and silica accounts for 93.11%, igloss 3.18%, wherein 42.5 normal silicate water of cement selection
Mud, aggregate select single-stage with basalt matter rubble, aggregate size 2.36mm；Sequentially add aggregate, reinforcing agent and cement dry mixing
Afterwards, it adds water and water-reducing agent is mixed, pervious concrete is made.
Embodiment 2
Prepare raw material：According to the mass fraction, 500 parts of cement, 1700 parts of aggregate, 15 parts of water-reducing agent, 50 parts of reinforcing agent, water 125
Part, the specific surface area of reinforcing agent is 25000m2/ kg, activity index 102%, wherein reinforcing agent are by SILICA FUME, superfine powder and receive
Rice material TiO2Composition, by mass percentage, aluminium oxide accounts for 0.92% in the reinforcing agent, and calcium oxide accounts for 0.14%, iron oxide
0.27% is accounted for, magnesia accounts for 1.59%, and silica accounts for 93.11%, igloss 3.18%, wherein 52.5 normal silicate of cement selection
Cement, aggregate select single-stage with basalt matter rubble, aggregate size 4.75mm；All aggregates, 75% water, institute are put into successively
There is reinforcing agent to be stirred 15s, put into all cement, all water-reducing agents, 25% water again and be stirred to uniform, be made permeable
Concrete.
Embodiment 3
Prepare raw material：According to the mass fraction, 400 parts of cement, 1650 parts of aggregate, 12 parts of water-reducing agent, 20 parts of reinforcing agent, water 115
Part, the specific surface area of reinforcing agent is 25000m2/ kg, activity index 102%, wherein reinforcing agent are by SILICA FUME, superfine powder and receive
Rice material TiO2Composition, by mass percentage, aluminium oxide accounts for 0.92% in the reinforcing agent, and calcium oxide accounts for 0.14%, iron oxide
0.27% is accounted for, magnesia accounts for 1.59%, and silica accounts for 93.11%, igloss 3.18%, wherein 52.5 normal silicate of cement selection
Cement, aggregate select single-stage with basalt matter rubble, aggregate size 3.56mm；All aggregates, 75% water, institute are put into successively
There is reinforcing agent to be stirred 28s, put into all cement, all water-reducing agents, 25% water again and be stirred to uniform, be made permeable
Concrete.
Reference examples, the pervious concrete of Hebei company production.
Performance detection, detection are carried out to the pervious concrete of the embodiment 1-3 pervious concretes being prepared and reference examples
Project includes pervious concrete compression strength and coefficient of permeability, and testing result is as shown in table 1.
1 testing result of table
As shown in Table 1, the permeation coefficient of permeable concrete that prepared by the present invention is big, and compression strength is strong, meets the road of high intensity requirement
Face is built.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of pervious concrete, which is characterized in that according to the mass fraction, by following material preparation：300-500 parts of cement, bone
1500-1700 parts of material, 9-15 parts of water-reducing agent, 15-50 parts of reinforcing agent, 90-125 parts of water.
2. a kind of pervious concrete according to claim 1, which is characterized in that according to the mass fraction, by following material preparation：
400 parts of cement, 1650 parts of aggregate, 12 parts of water-reducing agent, 20 parts of reinforcing agent, 115 parts of water.
3. a kind of pervious concrete according to claim 1 or claim 2, which is characterized in that the reinforcing agent is by SILICA FUME, superfine powder
With nano material TiO2Composition, by mass percentage, aluminium oxide accounts for 0.92% in the reinforcing agent, and calcium oxide accounts for 0.14%, oxygen
Change iron and account for 0.27%, magnesia accounts for 1.59%, and silica accounts for 93.11%, igloss 3.18%.
4. a kind of pervious concrete according to claim 3, which is characterized in that the specific surface area of the reinforcing agent is
25000m2/ kg, activity index 102%.
A kind of 5. pervious concrete according to claim 1, which is characterized in that the 42.5 normal silicate water of cement selection
Mud or 52.5 Portland cements.
6. a kind of pervious concrete according to claim 1, which is characterized in that the aggregate selects single-stage broken with basalt matter
Stone, the aggregate size are 2.36-4.75mm.
7. a kind of preparation method of pervious concrete, which is characterized in that include the following steps：
S1. prepare raw material：According to the mass fraction, cement 300-500 parts, 1500-1700 parts of aggregate, 9-15 parts of water-reducing agent increases
Strong 15-50 parts of agent, 90-125 parts of water, wherein reinforcing agent are by SILICA FUME, superfine powder and nano material TiO2Composition, by quality percentage
Than meter, aluminium oxide accounts for 0.92% in the reinforcing agent, and calcium oxide accounts for 0.14%, and iron oxide accounts for 0.27%, and magnesia accounts for 1.59%, dioxy
SiClx accounts for 93.11%, igloss 3.18%；
S2. raw material each in step S1 is mixed, obtains the pervious concrete.
8. a kind of preparation method of pervious concrete according to claim 7, which is characterized in that step S2 the specific steps are：
After sequentially adding aggregate, reinforcing agent and cement dry mixing, add water and water-reducing agent is mixed.
A kind of 9. preparation method of pervious concrete according to claim 7, which is characterized in that step S2 specific steps packets
It includes：
S21. all aggregates, 75% water, all reinforcing agents are put into successively is stirred 15-30s；
S22. all cement, all water-reducing agents, 25% water is put into again to be stirred to uniform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134252.1A CN108191341A (en) | 2018-02-09 | 2018-02-09 | A kind of pervious concrete and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810134252.1A CN108191341A (en) | 2018-02-09 | 2018-02-09 | A kind of pervious concrete and preparation method thereof |
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| CN108191341A true CN108191341A (en) | 2018-06-22 |
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| CN201810134252.1A Pending CN108191341A (en) | 2018-02-09 | 2018-02-09 | A kind of pervious concrete and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108947401A (en) * | 2018-08-16 | 2018-12-07 | 中建西部建设西南有限公司 | A kind of anti-block water permeable concrete |
| CN109896802A (en) * | 2019-04-16 | 2019-06-18 | 河南万里路桥海绵城市建设研究院有限公司 | The filleting seepy material and preparation method thereof mated formation for assembled |
| CN113354361A (en) * | 2021-06-23 | 2021-09-07 | 北京民佳混凝土有限公司 | High-strength pervious concrete and preparation method thereof |
| CN113429167A (en) * | 2021-07-13 | 2021-09-24 | 扬州通惠系统集成科技有限公司 | High-strength pervious concrete suitable for sponge city construction and preparation method thereof |
| CN115611565A (en) * | 2022-09-07 | 2023-01-17 | 云南筑辉建材有限公司 | Formula and preparation method of novel nano composite material UHPC |
| CN117105546A (en) * | 2023-08-15 | 2023-11-24 | 广州宏天发展有限公司 | Metal-rich cement additive and application thereof in improving concrete performance by using reinforcing steel bars |
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| CN106746800A (en) * | 2016-12-29 | 2017-05-31 | 嘉华特种水泥股份有限公司 | A kind of Binder Materials and the pervious concrete comprising Binder Materials |
| CN107117856A (en) * | 2017-06-13 | 2017-09-01 | 刘翠芬 | Pure pulvis pervious concrete reinforcing agent and its application method with nanometer humidification |
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2018
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108947401A (en) * | 2018-08-16 | 2018-12-07 | 中建西部建设西南有限公司 | A kind of anti-block water permeable concrete |
| CN108947401B (en) * | 2018-08-16 | 2021-06-11 | 中建西部建设西南有限公司 | Anti-blocking water-permeable concrete |
| CN109896802A (en) * | 2019-04-16 | 2019-06-18 | 河南万里路桥海绵城市建设研究院有限公司 | The filleting seepy material and preparation method thereof mated formation for assembled |
| CN113354361A (en) * | 2021-06-23 | 2021-09-07 | 北京民佳混凝土有限公司 | High-strength pervious concrete and preparation method thereof |
| CN113429167A (en) * | 2021-07-13 | 2021-09-24 | 扬州通惠系统集成科技有限公司 | High-strength pervious concrete suitable for sponge city construction and preparation method thereof |
| CN115611565A (en) * | 2022-09-07 | 2023-01-17 | 云南筑辉建材有限公司 | Formula and preparation method of novel nano composite material UHPC |
| CN117105546A (en) * | 2023-08-15 | 2023-11-24 | 广州宏天发展有限公司 | Metal-rich cement additive and application thereof in improving concrete performance by using reinforcing steel bars |
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Application publication date: 20180622 |