CN107986718A - A kind of preparation method of pervious concrete - Google Patents
A kind of preparation method of pervious concrete Download PDFInfo
- Publication number
- CN107986718A CN107986718A CN201810083275.4A CN201810083275A CN107986718A CN 107986718 A CN107986718 A CN 107986718A CN 201810083275 A CN201810083275 A CN 201810083275A CN 107986718 A CN107986718 A CN 107986718A
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- parts
- concrete
- pervious concrete
- preparation
- cement
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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
- 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
- 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
Abstract
A kind of preparation method of pervious concrete is related to a kind of preparation for ground concrete, is more particularly to widely used in a kind of preparation of the denser local pervious concrete of the populations such as crossing, park surface construction and square ground construction.The preparation method of pervious concrete of the present invention adds the auxiliary addition agents such as slag coal ash, polycarboxylic acids, calcium hydroxide, polyvinyl alcohol using the rubble of specified particle size size as main aggregate, and herein on basis and is stirred preparation again.The most important characteristic of pervious concrete prepared by the present invention is that concrete to reach outside the requirement of required pressure-proof and snap-resistent to also have good water permeability, and pervious concrete prepared by the present invention also has the characteristics that easily colouring, and existing excellent performance disclosure satisfy that external requirement beautiful and generous again when it is used in crossing, park ground and has the road surface of special decoration requirement.
Description
Technical field
Present invention relates generally to a kind of preparation for ground concrete, is more particularly to widely used horizontal in people's row
A kind of preparation of the denser local pervious concrete of the populations such as road, park surface construction and square ground construction.
Background technology
With the rapid development of modern economy, the phenomenon of urbanization is more and more obvious, and in the today for tending to urbanization, respectively
Plant natural disaster but also in the safety for the life and work for threatening this people.Various regions torrential rain since in the recent period causes Duo Dicheng
City receives serious floods.Among causing numerous reasons that floods are spread unchecked, the impermeability of urban road construction and draining
It is the reason for one of them is critically important not in time.It is more based on fluid-tight concrete in the construction of current urban road.No
Although pervious concrete largely uses the trip that can be convenient for people in urban road, today natural calamity can not
It also result in certain puzzlement the today avoided, the sternness of urban road drainage situation timely can not carry out draining and cause
A large amount of water accumulation, this is serious to have impact on people normally work and life.
And invented and caused based on the inspiration of a variety of natural phenomenas, this novel compound concrete of pervious concrete
Extensive concern.
Pervious concrete has high water-permeability, can ensure moisture rapid osmotic, is neither influencing the bar of normal work life
Under part, the infiltration of moisture effectively can also play a protective role the water resource of underground.
Pervious concrete also has a high-bearing capacity, the presence of pervious concrete mesopore can effectively disperse on ground by
The local pressure arrived, this can effectively extend the service life of pervious concrete.And the presence of pervious concrete mesopore
The generation of noise can also effectively be reduced.
Pervious concrete during use also have color controllable, this pervious concrete stirring and used
In journey different pigment can be used to carry out color adaptation to concrete, colorful pervious concrete disclosure satisfy that today for setting
Requirement on meter.
The content of the invention
The defects of purpose of the present invention is intended to overcome the prior art, there is provided outside a kind of requirement that can reach pressure-proof and snap-resistent
Also good water permeability, and also there is a kind of preparation method for the pervious concrete easily painted.
The preparation method of pervious concrete of the present invention, is mainly made of base-material and pigment, and the base-material is broken
Stone, cement, slag micropowder, Malaysia glue, polycarboxylic acids, calcium hydroxide, polyvinyl alcohol, pigment, sodium sulphate, neopelex,
The composition by weight of the component is：350-450 parts of rubble, 80-120 parts of cement, 8-12 parts of slag micropowder, Malaysia glue 05-1.5
Part, 4-6 parts of polycarboxylic acids, 0.4-0.6 parts of calcium hydroxide, 0.02-0.4 parts of polyvinyl alcohol, 8-12 parts of pigment, sodium sulphate 0.08-0.12
Part, 0.002-0.004 parts of neopelex, 100-150 parts of water；It prepares concretely comprising the following steps for construction：
A, removal of impurities leveling is carried out first to the place of required laying pervious concrete, need to ensures that the height of 50cm is permeable mixed to cover
Solidifying soil, and can be adjusted again for the laying depth of special field of employment；
B, it is 4.75mm-9.5mm rubbles by the particle diameter of parts by weight, cement, slag micropowder, Malaysia glue, polycarboxylic acids, calcium hydroxide, poly-
Vinyl alcohol：Sodium sulphate and water, which are added in mixer, to be stirred, and obtains mixture；
Mixture is routed to required place, the concrete that the rubble of this particle diameter obtains should only be spread after c, mixer stirs evenly
If 30cm, the vacant position of 20cm is reserved；
D, it is 4.75mm-9.5mm rubbles by the particle diameter of parts by weight, cement, slag micropowder, Malaysia glue, polycarboxylic acids, calcium hydroxide, poly-
Vinyl alcohol：Simultaneously sodium sulfonate and water are added in mixer and are stirred for sodium sulphate, pigment, dodecyl；
E, this concrete is routed on the position of remaining 20cm, paves and vibrated with vibrator；
F, after this concrete carry out be laid with 24 it is small when after, with surface watering conserved；
G, after when concrete laying 36 is small, curing agent is uniformly sprayed to the surface of concrete, it should be noted that should be selected during sprinkling
Suitable weather, should be sprayed in fine day；
H, after when laying 48 is small, watering maintenance is carried out again.
Curing agent described in step g is sodium metasilicate, 5 parts of inorganic binder and the 10 parts of water of 200 parts of weight.
The pervious concrete, the cement are 42.5 Portland cements.
Pervious concrete of the present invention, the specific features of the component are as follows：
1st, rubble：Requirement of the pervious concrete for aggregate rubble is more stringent, although the particle diameter of rubble it is larger can ensure compared with
Good water permeability, but the big rubble of particle diameter is not fine for the adsorption effect of cement and other base-materials, therefore can make
Do not reach the performance requirement of pavement usage into the loss in intensity, thus it is special less broken with two kinds of particle diameters in the present invention
Stone.But the specific required thickness being laid with of the use of two kinds of rubbles need to be carried out according to the place used, environment and performance requirement
Specifically it is laid with after actual measure, the different laying depths using standard should be different.
2nd, 42.5 Portland cement：42.5 medium-sized portland cements are extensive in the field that coagulation coagulates soil
Use, it is with good volume stability effect, and early stage of this cement and intensity in later stage is higher disclosure satisfy that intensity
Performance requirement and durability it is preferable.
3rd, slag micropowder：Slag micropowder is the fine powder after granulated blast-furnace slag is levigate, and slag micropowder has good work
Property, its addition can effectively improve quantity, size and the space arrangement distribution of the calcium hydroxide crystals in cement, slag
Micro mist can effectively reduce crystal in the enrichment in interface area so as to improve the situation of the interface weakness of base-material and cement slurry, ore deposit
The addition of slag micro mist is conducive to the raising of interface binding intensity.
4th, Malaysia glue：Malaysia glue is good polymer latex, and the addition of Malaysia glue can optimize cement and various add
The absorption situation for rubble of charging, its can effectively solve because be added without sand and caused by the bad feelings of adsorption effect
Condition.
5th, polycarboxylic acids：Polycarboxylic acids is pulvis.Polycarboxylic acids is good latent high efficiency water reducing agent, and the addition of polycarboxylic acids can
It is effective to delay the setting time of cement to prevent from dodging use that is solidifying, and reducing water in engineering.The addition of polycarboxylic acids can also
Improve concrete formation when workability and improve the intensity of pervious concrete.
6th, calcium hydroxide：Calcium hydroxide is added in pervious concrete can effectively increase the viscosity of cement mortar, improve construction
When surface layer planarization.In addition, calcium hydroxide belongs to alkaline matter, and adding for alkaline matter can be made with the acid in acid rain
With so as to reduce its acidity, acid reduction is conducive to extend the usage time of pervious concrete, increases durability.
7th, polyvinyl alcohol：Polymer emulsion is added in pervious concrete, it can effectively improve the resistance to compression of concrete
And the ability of anti-folding, the unreasonable performance of optimised coagulation soil.
8th, neopelex：K12 is commonly called as, its good surfactant, the addition of K12 is primarily to coagulation
Soil can preferably be mixed with color, make concrete be easier colouring, and for pervious concrete lower floor it is large-sized
Metalling because need not to color thereon without add K12.
9th, pigment：Since pervious concrete is chiefly used in the fields such as crossing, park ground, square ground, and permeable
Pigment is added in concrete can effectively change the color of concrete so that concrete has different colors and meets people
Required for the different of aesthetics.Equally, for large-sized concrete layer and be not required pigment composition addition.
10th, sodium sulphate：Sodium sulphate has excellent enhancing effect, belongs to the enhancing component in pervious concrete, sodium sulphate
Addition can increase the intensity of pervious concrete, and do not introduce the chlorion of corrosiveness, select sodium sulphate can
Ensure that concrete is not corroded and influences durability well.
11st, sodium metasilicate：The use of sodium metasilicate is used primarily as the curing agent of concrete.The addition of sodium metasilicate can be mixed
The surface for coagulating soil forms a kind of solid film, it can effectively prevent the loss of moisture in concrete to reach maintenance coagulation
The effect of soil.In addition, for pervious concrete, sand is not added during being stirred due to laying, its table
Face can be more coarse than common concrete product,
12nd, inorganic binder：The maintenance processes punching of pervious concrete is being carried out, sodium metasilicate can effectively strengthen concrete
Intensity, but be that the Water-saving effect of sodium metasilicate is not very excellent, therefore also need to add to have to protect during the use of curing agent
The inorganic binder of water-based energy, it can effectively improve the maintenance performance of sodium metasilicate.
In the preparation of pervious concrete of the present invention, the selection of aggregate, moisture and gather materials match ratio and the ratio of mud
Design all have actual influence to the actual performance of pervious concrete.And pervious concrete master prepared by the present invention
Will be using two kinds of different rubbles of particle diameter as aggregate, and its moisture is 1 with the Proportionality design to gather materials:4, the ratio of mud is designed as 0.28.
The present invention is prepared during pervious concrete using the rubble of specified particle size size as main aggregate, and herein
The auxiliary addition agents such as slag coal ash, polycarboxylic acids, calcium hydroxide, polyvinyl alcohol are added on basis again and are stirred preparation.It is and of the invention
The most important characteristic of pervious concrete of preparation is that concrete reaches also good outside the requirement of required pressure-proof and snap-resistent
Good water permeability, and pervious concrete prepared by the present invention also has the characteristics that easily colouring, and it is used in crossing, public affairs
Field face and when having the road surface of special decoration requirement existing excellent performance disclosure satisfy that again it is beautiful and generous it is external will
Ask.
Embodiment
With reference to embodiment, the present invention is described further, but not limited to the examples.
Embodiment 1
The preparation method of pervious concrete of the present invention, is mainly made of base-material and pigment, and the base-material is rubble, water
Mud is 42.5 Portland cements, slag micropowder, Malaysia glue, polycarboxylic acids, calcium hydroxide, polyvinyl alcohol, pigment, sodium sulphate, ten
Dialkyl benzene sulfonic acids sodium, the composition by weight of the component are：350-450 parts of rubble, cement are 42.5 Portland cements
80-120 parts, 8-12 parts of slag micropowder, glue 05-1.5 parts of Malaysia, 4-6 parts of polycarboxylic acids, 0.4-0.6 parts of calcium hydroxide, polyvinyl alcohol
0.02-0.4 parts, 8-12 parts of pigment, 0.08-0.12 parts of sodium sulphate, 0.002-0.004 parts of neopelex, water 100-
150 parts；It prepares concretely comprising the following steps for construction：
A, removal of impurities leveling is carried out first to the place of required laying pervious concrete, need to ensures that the height of 50cm is permeable mixed to cover
Solidifying soil, and can be adjusted again for the laying depth of special field of employment；
B, it is 4.75mm-9.5mm rubbles by the particle diameter of parts by weight, cement, slag micropowder, Malaysia glue, polycarboxylic acids, calcium hydroxide, poly-
Vinyl alcohol：Sodium sulphate and water, which are added in mixer, to be stirred, and obtains mixture；
Mixture is routed to required place, the concrete that the rubble of this particle diameter obtains should only be spread after c, mixer stirs evenly
If 30cm, the vacant position of 20cm is reserved；
D, it is 4.75mm-9.5mm rubbles by the particle diameter of parts by weight, cement, slag micropowder, Malaysia glue, polycarboxylic acids, calcium hydroxide, poly-
Vinyl alcohol：Simultaneously sodium sulfonate and water are added in mixer and are stirred for sodium sulphate, pigment, dodecyl；
E, this concrete is routed on the position of remaining 20cm, paves and vibrated with vibrator；
F, after this concrete carry out be laid with 24 it is small when after, with surface watering conserved；
G, after when concrete laying 36 is small, curing agent is uniformly sprayed to the surface of concrete, it should be noted that should be selected during sprinkling
Suitable weather, should be sprayed in fine day, curing compound by the sodium metasilicate of 200 parts of weight, 5 parts of inorganic binder and
10 parts of water compositions 7；
H, after when laying 48 is small, watering maintenance is carried out again.
Embodiment 2
The preparation method of pervious concrete of the present invention, is mainly made of base-material and pigment, and the base-material is rubble, water
Mud, slag micropowder, Malaysia glue, polycarboxylic acids, calcium hydroxide, polyvinyl alcohol, pigment, sodium sulphate, neopelex, it is prepared
Construction concretely comprises the following steps：
A, removal of impurities leveling is carried out first to the place of required laying pervious concrete, need to ensures that the height of 50cm is permeable mixed to cover
Solidifying soil, and can be adjusted again for the laying depth of special field of employment；
B, by 400 parts of particle diameters for 4.75mm-9.5mm rubbles, 100 part of 42.5 Portland cement, 10 parts of slag micropowders, 1 part
Malaysia glue, 5 parts of polycarboxylic acids, 0.5 part of calcium hydroxide, 0.03 part of polyvinyl alcohol：0.1 part of sodium sulphate, 112 parts of water are added in mixer
It is stirred；
Mixture is routed to required place, the concrete that the rubble of this particle diameter obtains should only be spread after c, mixer stirs evenly
If 30cm, the vacant position of 20cm is reserved；
D, by 400 parts of particle diameters for 4.75mm-9.5mm rubbles, 100 part of 42.5 Portland cement, 10 parts of slag micropowders, 1 part
Malaysia glue, 5 parts of polycarboxylic acids, 0.5 part of calcium hydroxide, 0.03 part of polyvinyl alcohol：0.1 part of sodium sulphate, 10 parts of pigment（According to design requirement
Pigment needed for addition）, 0.003 part of dodecyl and sodium sulfonate, 112 parts of water are added in mixer and are stirred；
E, this concrete is routed on the position of remaining 20cm, paves and vibrated with vibrator；
F, after this concrete carry out be laid with 24 it is small when after, with surface watering conserved；
G, curing agent is prepared：200 parts of sodium metasilicate, 5 parts of inorganic binders, 10 parts of water；
H, after when concrete laying 36 is small, curing agent is uniformly sprayed to the surface of concrete, it should be noted that should be selected during sprinkling
Suitable weather, should be sprayed in fine day；
I, after when laying 48 is small, watering maintenance is carried out again.
It is detected in the physical property for preparing reply concrete in irrigation process of this pervious concrete, there is system of the present invention
The detection project of standby pervious concrete is as shown in the table：
From the point of view of actual testing result, by concrete prepared by the present invention water permeability and intensity fracture resistance requirement
On reach standard.
Claims (3)
1. the preparation method of pervious concrete, is mainly made of base-material and pigment, the base-material is rubble, cement, slag are micro-
Powder, Malaysia glue, polycarboxylic acids, calcium hydroxide, polyvinyl alcohol, pigment, sodium sulphate, neopelex, the weight of the component
Measuring component is：350-450 parts of rubble, 80-120 parts of cement, 8-12 parts of slag micropowder, glue 05-1.5 parts of Malaysia, polycarboxylic acids 4-6
Part, 0.4-0.6 parts of calcium hydroxide, 0.02-0.4 parts of polyvinyl alcohol, 8-12 parts of pigment, 0.08-0.12 parts of sodium sulphate, detergent alkylate
0.002-0.004 parts of sodium sulfonate, 100-150 parts of water；It is characterized in that, it prepares concretely comprising the following steps for construction：
A, removal of impurities leveling is carried out first to the place of required laying pervious concrete, need to ensures that the height of 50cm is permeable mixed to cover
Solidifying soil, and can be adjusted again for the laying depth of special field of employment；
B, it is 4.75mm-9.5mm rubbles by the particle diameter of parts by weight, cement, slag micropowder, Malaysia glue, polycarboxylic acids, calcium hydroxide, poly-
Vinyl alcohol：Sodium sulphate and water, which are added in mixer, to be stirred, and obtains mixture；
Mixture is routed to required place, the concrete that the rubble of this particle diameter obtains should only be spread after c, mixer stirs evenly
If 30cm, the vacant position of 20cm is reserved；
D, it is 4.75mm-9.5mm rubbles by the particle diameter of parts by weight, cement, slag micropowder, Malaysia glue, polycarboxylic acids, calcium hydroxide, poly-
Vinyl alcohol：Simultaneously sodium sulfonate and water are added in mixer and are stirred for sodium sulphate, pigment, dodecyl；
E, this concrete is routed on the position of remaining 20cm, paves and vibrated with vibrator；
F, after this concrete carry out be laid with 24 it is small when after, with surface watering conserved；
G, after when concrete laying 36 is small, curing agent is uniformly sprayed to the surface of concrete, it should be noted that should be selected during sprinkling
Suitable weather, should be sprayed in fine day；
H, after when laying 48 is small, watering maintenance is carried out again.
2. the preparation method of pervious concrete according to claim 1, it is characterised in that the curing agent described in step g is
Sodium metasilicate, 5 parts of inorganic binder and the 10 parts of water that 200 parts of weight.
3. the preparation method of pervious concrete according to claim 1, it is characterised in that the pervious concrete, institute
The cement stated is 42.5 Portland cements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810083275.4A CN107986718A (en) | 2018-01-29 | 2018-01-29 | A kind of preparation method of pervious concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810083275.4A CN107986718A (en) | 2018-01-29 | 2018-01-29 | A kind of preparation method of pervious concrete |
Publications (1)
| Publication Number | Publication Date |
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| CN107986718A true CN107986718A (en) | 2018-05-04 |
Family
ID=62039923
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810083275.4A Withdrawn CN107986718A (en) | 2018-01-29 | 2018-01-29 | A kind of preparation method of pervious concrete |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115849838A (en) * | 2022-10-25 | 2023-03-28 | 广州理工学院 | Low-alkali concrete and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050093A (en) * | 2007-03-23 | 2007-10-10 | 钱卫胜 | Composition of road surface material of pervious cement concrete by using steel slag as aggregate, and method |
| CN103011735A (en) * | 2012-12-31 | 2013-04-03 | 常州大学 | Colorful regeneration permeable concrete for road and preparation method thereof |
| CN105565723A (en) * | 2016-01-27 | 2016-05-11 | 昆明市宜鑫荣商品混凝土有限公司 | Pervious concrete formula and construction method |
| CN106220060A (en) * | 2016-07-25 | 2016-12-14 | 广西云吉环保科技有限公司 | A kind of lightweight insulating concrete |
-
2018
- 2018-01-29 CN CN201810083275.4A patent/CN107986718A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050093A (en) * | 2007-03-23 | 2007-10-10 | 钱卫胜 | Composition of road surface material of pervious cement concrete by using steel slag as aggregate, and method |
| CN103011735A (en) * | 2012-12-31 | 2013-04-03 | 常州大学 | Colorful regeneration permeable concrete for road and preparation method thereof |
| CN105565723A (en) * | 2016-01-27 | 2016-05-11 | 昆明市宜鑫荣商品混凝土有限公司 | Pervious concrete formula and construction method |
| CN106220060A (en) * | 2016-07-25 | 2016-12-14 | 广西云吉环保科技有限公司 | A kind of lightweight insulating concrete |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115849838A (en) * | 2022-10-25 | 2023-03-28 | 广州理工学院 | Low-alkali concrete and preparation method thereof |
| CN115849838B (en) * | 2022-10-25 | 2023-11-28 | 广州理工学院 | Low-alkali concrete and preparation method thereof |
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Application publication date: 20180504 |