CN108439916A - The preparation method of pervious concrete is factory produced - Google Patents
The preparation method of pervious concrete is factory produced Download PDFInfo
- Publication number
- CN108439916A CN108439916A CN201810481605.5A CN201810481605A CN108439916A CN 108439916 A CN108439916 A CN 108439916A CN 201810481605 A CN201810481605 A CN 201810481605A CN 108439916 A CN108439916 A CN 108439916A
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- CN
- China
- Prior art keywords
- concrete
- water
- stirring
- preparation
- cementitious material
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
-
- 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
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- 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)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of preparation methods that pervious concrete is factory produced, aggregate is poured into concrete mixer and adds the stirring of 50% water for the first time, agitated 30s makes aggregate soak, 30s is stirred after pouring into cementitious material again, stirring is added in remaining 50% water, reinforcing agent is poured into after concrete mixer stirs 30s again, finally completes to prepare through concrete mixer stirring 60s again；The cementitious material is the silicon ash of 42.5 Portland cement dosage 10% of 42.5 Portland cements of P.O and P.O.The present invention adds cementitious material by the stirring of secondary plus water so that mixture generates " ball effect " in whipping process, improves the rheological property of concrete, and remains to that concrete strength is made to improve；It is added in concrete, can be transported by concrete mixer truck by the reinforcing agent configured, working performance extends and later stage use intensity is not lost still.
Description
Technical field
The present invention relates to technical field of building construction, more specifically, it relates to a kind of factorial praluction pervious concrete
Preparation method.
Background technology
Pervious concrete is used in first batch of sponge city demonstration project, in the old residential area improvement project of inner city
It since pervious concrete quantities is big, construction site is narrow, can not stir at the scene, the construction period is tight, is asked to solve this
Topic must be used and is factory produced.
Water-permeable cement concrete can only generally be stirred in building-site at home at present, only Germany, Japan and other countries energy
It realizes and is factory produced.Because the limitation and artificial dispensing of most of construction site condition are it is difficult to ensure that quality.By us
Research of technique, realize be factory produced, and be applied to Practical Project.
And to realize that batch production will solve two problems, when since pervious concrete gel material content is more, initial set
Time is short, to solve the problems, such as haulage time.Second is that the ratio of mud is small, belong to dry concrete, almost without mobility, Bu Nengyong
Common concrete mixer truck is transported, and to solve the problems, such as haulage vehicle.Accordingly, the present invention proposes a kind of factorial praluction
The preparation method of pervious concrete, efficiently solves the above problem.
Invention content
It is an object of the invention to overcome above-mentioned deficiency in the prior art, a kind of factorial praluction pervious concrete is provided
Preparation method, the concrete strength that the preparation method of the pervious concrete is produced is high, longer haulage time and transport away from
Still there is suitable working performance from after.
In order to solve the above technical problems, the object of the present invention is achieved like this：A kind of batch production according to the present invention
Aggregate is poured into forced concrete mixer and adds the stirring of 50% water for the first time, through stirring by the preparation method for producing pervious concrete
Mixing 30s makes aggregate soak, and 30s is stirred after pouring into cementitious material, and stirring is added in remaining 50% water, is poured into after being stirred for 30s
Reinforcing agent finally stirs 60s and completes to prepare；The cementitious material is that 42.5 Portland cements of P.O and P.O 42.5 are common
The silicon ash of portland cement dosage 10%.
The present invention is further arranged to：The reinforcing agent each component and its shared mass percent include：Water-reducing agent 4~
6%, cellulose ether 0.3~0.5%, polyvinyl alcohol 3~7%, retarder 0.8~2%, air entraining agent 0.06~0.12%, hydrophobic
Agent 0.5~1.5%, remaining is water.
The present invention is further arranged to：The water-reducing agent selects polycarboxylate water-reducer；The cellulose ether selects hydroxypropyl
Methylcellulose；It is 1788 polyvinyl alcohol that the polyvinyl alcohol, which selects the trade mark,；The retarder selects sodium gluconate；It is described
Air entraining agent selects rosin soap air entraining agent；The hydrophober selects organosilicon sodium methyl silicate.
In conclusion the invention has the advantages that：Factorial praluction pervious concrete according to the present invention
Preparation method is stirred by secondary plus water, and the silicon of 42.5 Portland cement dosages 10% of P.O is mixed in cementitious material
Ash so that mixture generates " ball effect " in whipping process, improves the rheological property of concrete, and remains to so that coagulation
Native intensity improves 10%-20%；It is added in concrete, can be transported by concrete mixer truck, work by the reinforcing agent configured
3-6 hours are extended to as performance and later stage use intensity is not lost still, allomeric function is perfect, highly practical.
Specific implementation mode
With reference to preferred embodiment, the present invention is further described.
A kind of preparation method of factorial praluction pervious concrete involved by the present embodiment, pours into forced action type by aggregate and mixes
Solidifying soil blender simultaneously adds the stirring of 50% water, agitated 30s so that aggregate is soaked, 30s is stirred after pouring into cementitious material, will remain for the first time
Stirring is added in 50% remaining water, and reinforcing agent is poured into after being stirred for 30s, finally stirs 60s and completes to prepare；The aggregate is preferably whole
Shape basalt stone, the cementitious material are 42.5 Portland cement dosage of 42.5 Portland cements of P.O and P.O
10% silicon ash, the unformed spherical particle of silicon ash.Wherein, the reinforcing agent each component and its shared mass percent include：Diminishing
Agent 4~6%, cellulose ether 0.3~0.5%, polyvinyl alcohol 3~7%, retarder 0.8~2%, air entraining agent 0.06~0.12%,
Hydrophober 0.5~1.5%, remaining is water.General pervious concrete gel material content is more, and setting time is short, due to moisture
Evaporation, workability can not the long period the good workability of holding, or even cementitious material dusting occur can not be cementing
The case where, by above-mentioned preparation method, and it is equipped with New Dry Strength Agents so that pervious concrete can be transported with concrete tank, work
3-6 hours are extended to as performance and later strength is not lost；Compression strength the ＞ 25MPa, flexural tensile strength ＞ of the pervious concrete
3Mpa, coefficient of permeability >=0.05cm/s, frost resistance ＞ D25 meet CJJ/T135-2009.
Preferably, the water-reducing agent selects polycarboxylate water-reducer, and the water consumption of pervious concrete can be greatly reduced, subtract
The small ratio of mud, significantly improves intensity；The cellulose ether selects hydroxypropyl methyl cellulose, has good water-retaining property, prevents
Moisture evaporation, and there is deferred action；It is 1788 polyvinyl alcohol, the poly- second that the trade mark is 1788 that the polyvinyl alcohol, which selects the trade mark,
Enol has very strong cementitiousness for porous, water-wetted surface, can effectively bond fine solid particles, improves cement mortar and aggregate
Bonding, improve intensity to improve the point knot ability of pervious concrete aggregate；The retarder selects sodium gluconate, Portugal
Grape sodium saccharate has surface-active, changes the hydrophily of cement surface, forms the film that can inhibit hydrated cementitious, cement mortar is made to condense
Time lengthening；The air entraining agent selects rosin soap air entraining agent, pervious concrete can be made to be introduced in whipping process a large amount of uniform
Distribution, stable and closed micro-bubble improve concrete flowability, make so as to improve its workability, water-retaining property and cohesiveness
Its tank not easy to stick；The hydrophober selects organosilicon sodium methyl silicate, water that can form water because of the effect of surface tension with tank car wall
The contact angle of pearl, water and tank car wall can be more than 90 degree, formed " lotus leaf effect ", improve the lubricity between cement mortar and tank car wall,
Pervious concrete is set to be easy disengaging tank car tank not easy to stick.
Further, the tank skin of the concrete mixing and transporting car is provided with double helix blade, agitator tank and horizontal plane
Inclination angle is 10 °, is discharged convenient for agitator tank.
Preferably, secondary helical blade, the hand of spiral and tank skin are equipped among the agitator tank of the concrete mixing and transporting car
Helical blade it is opposite so that in trucd mixer transportational process, concrete is kept stirring, make pervious concrete do not stop make up and down
Movement, to ensure its workability, solves pervious concrete transportation problem.
The present invention mixes 42.5 Portland cement dosages of P.O by the stirring of secondary plus water in cementitious material
10% silicon ash so that mixture generates " ball effect " in whipping process, improves the rheological property of concrete, and remains to
So that concrete strength improves 10%-20%；It is added in concrete by the reinforcing agent configured, concrete mixer truck can be used
Transport, working performance extends to 3-6 hours and later strength is not lost still, and allomeric function is perfect, highly practical.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (3)
1. the preparation method of pervious concrete is factory produced, it is characterised in that：Aggregate is poured into concrete mixer and first
The stirring of secondary plus 50% water, agitated 30s makes aggregate soak, then stirs 30s after pouring into cementitious material, and remaining 50% water is added
Stirring, then reinforcing agent is poured into after concrete mixer stirs 30s, finally complete to prepare through concrete mixer stirring 60s again；
The cementitious material is the silicon ash of 42.5 Portland cement dosage 10% of 42.5 Portland cements of P.O and P.O.
2. the preparation method according to claim 1 that pervious concrete is factory produced, it is characterised in that：The reinforcing agent
Each component and its shared mass percent include：Water-reducing agent 4~6%, cellulose ether 0.3~0.5%, polyvinyl alcohol 3~7%,
Retarder 0.8~2%, air entraining agent 0.06~0.12%, hydrophober 0.5~1.5%, remaining is water.
3. the preparation method according to claim 2 that pervious concrete is factory produced, it is characterised in that：The water-reducing agent
Select polycarboxylate water-reducer；The cellulose ether selects hydroxypropyl methyl cellulose；It is 1788 that the polyvinyl alcohol, which selects the trade mark,
Polyvinyl alcohol；The retarder selects sodium gluconate；The air entraining agent selects rosin soap air entraining agent；The hydrophober choosing
With organosilicon sodium methyl silicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481605.5A CN108439916A (en) | 2018-05-18 | 2018-05-18 | The preparation method of pervious concrete is factory produced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481605.5A CN108439916A (en) | 2018-05-18 | 2018-05-18 | The preparation method of pervious concrete is factory produced |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108439916A true CN108439916A (en) | 2018-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810481605.5A Pending CN108439916A (en) | 2018-05-18 | 2018-05-18 | The preparation method of pervious concrete is factory produced |
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| Country | Link |
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| CN (1) | CN108439916A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109678425A (en) * | 2019-01-15 | 2019-04-26 | 中电建路桥集团有限公司 | Pervious concrete and its preparation method and application |
| CN110590216A (en) * | 2019-08-28 | 2019-12-20 | 中交第一公路勘察设计研究院有限公司 | Permeable concrete liquid reinforcing agent and preparation method and use method thereof |
| CN110847121A (en) * | 2019-12-04 | 2020-02-28 | 中国水利水电科学研究院 | Ecological cemented sand gravel bank slope toe component |
| CN111807788A (en) * | 2020-07-21 | 2020-10-23 | 赣州市建恒建筑材料有限公司 | Preparation method of inorganic binder sand-based water permeable brick and water permeable brick |
| CN113354324A (en) * | 2021-07-07 | 2021-09-07 | 广东悦谷道路材料有限公司 | Reinforcing agent, pervious concrete and processing method of pervious concrete |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563644A (en) * | 2015-12-22 | 2016-05-11 | 山西路桥建设集团有限公司 | Technology for stirring concrete fed by three times |
| CN107162473A (en) * | 2017-07-23 | 2017-09-15 | 四川华西绿舍建材有限公司 | A kind of pervious concrete special additive and its application |
-
2018
- 2018-05-18 CN CN201810481605.5A patent/CN108439916A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563644A (en) * | 2015-12-22 | 2016-05-11 | 山西路桥建设集团有限公司 | Technology for stirring concrete fed by three times |
| CN107162473A (en) * | 2017-07-23 | 2017-09-15 | 四川华西绿舍建材有限公司 | A kind of pervious concrete special additive and its application |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109678425A (en) * | 2019-01-15 | 2019-04-26 | 中电建路桥集团有限公司 | Pervious concrete and its preparation method and application |
| CN110590216A (en) * | 2019-08-28 | 2019-12-20 | 中交第一公路勘察设计研究院有限公司 | Permeable concrete liquid reinforcing agent and preparation method and use method thereof |
| CN110847121A (en) * | 2019-12-04 | 2020-02-28 | 中国水利水电科学研究院 | Ecological cemented sand gravel bank slope toe component |
| CN111807788A (en) * | 2020-07-21 | 2020-10-23 | 赣州市建恒建筑材料有限公司 | Preparation method of inorganic binder sand-based water permeable brick and water permeable brick |
| CN111807788B (en) * | 2020-07-21 | 2022-04-08 | 赣州市建恒建筑材料有限公司 | Preparation method of inorganic binder sand-based water permeable brick and water permeable brick |
| CN113354324A (en) * | 2021-07-07 | 2021-09-07 | 广东悦谷道路材料有限公司 | Reinforcing agent, pervious concrete and processing method of pervious concrete |
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Application publication date: 20180824 |
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