CN103787610B - A kind of pervious concrete additive and preparation method thereof - Google Patents
A kind of pervious concrete additive and preparation method thereof Download PDFInfo
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- CN103787610B CN103787610B CN201410031877.7A CN201410031877A CN103787610B CN 103787610 B CN103787610 B CN 103787610B CN 201410031877 A CN201410031877 A CN 201410031877A CN 103787610 B CN103787610 B CN 103787610B
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- additive
- pervious concrete
- sodium
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- 239000000654 additive Substances 0.000 title claims abstract description 41
- 230000000996 additive effect Effects 0.000 title claims abstract description 41
- 239000011380 pervious concrete Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 54
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 18
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 18
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 18
- 239000010703 silicon Substances 0.000 claims abstract description 18
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 18
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 239000002689 soil Substances 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 3
- 239000004567 concrete Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
The invention provides a kind of pervious concrete additive, described additive is made up of the raw material of following weight per-cent: silicon ash 60 ~ 80%, polyacrylamide 20 ~ 30%, sodium hydroxide 2 ~ 4%, sodium-chlor 1 ~ 2%, sodium sulfate 2 ~ 6%.Present invention also offers a kind of preparation method of pervious concrete additive, the additive of employing prepared by the present invention be not compared with mixing the pervious concrete of this additive, and within 1 to 28 day, ultimate compression strength significantly improves, and longterm strength also has growth; And effectively can accelerate the construction speed of permeable mixed soil, shorten place, equipment and artificial turn around time, increase economic efficiency.
Description
Technical field
The present invention relates to the technical field of material of construction, particularly relate to a kind of pervious concrete additive and preparation method thereof.
Background technology
Along with rapid economic development, the earth by more and more dense real concrete road surface or place cover, and these road surfaces, fluid-tight place have recovery electric heating system, lack respiratory and sleet perviousness, exacerbate the deterioration of weather, make water resources seldom moist vegetation, recurrence the earth of being bestowed by heaven, also increased the weight of the burden of dredging system, even polluted and inject rivers.Pervious concrete can increase and infiltrates the rainwater on earth's surface, some Urban Environmental Problems that the ground water table alleviating city sharply declines etc., and it is as a kind of new environment-friendly type, ecotypic pavement material, increasingly extensive in field of road construction application.Pervious concrete additive involved by present patent application file, to pervious concrete, there is good plasticising, thickening, reinforced effects, can accelerate template and place, equipment have enough to meet the need, reduction of erection time, speed up the work, can be used to preparation basic unit, each structural sheet of surface layer, ornament layer pervious concrete and high grade pervious concrete, and ensure this concrete water-permeable and mechanical property, guarantee engineering construction quality, there is good comprehensive benefit.
Summary of the invention
One of the technical problem to be solved in the present invention, is to provide a kind of pervious concrete additive, effectively can accelerates the construction speed of permeable mixed soil, shortens place, equipment and artificial turn around time, increases economic efficiency.
One of problem of the present invention is achieved in that a kind of pervious concrete additive, and described additive is made up of the raw material of following weight per-cent, and the content percentage ratio sum of each raw material is 100%:
The technical problem to be solved in the present invention two, is the preparation method providing a kind of pervious concrete additive, and preparation technology is simple, and operation is easy, easily operates, practical; Effectively can accelerate the construction speed of permeable mixed soil, shorten place, equipment and artificial turn around time, increase economic efficiency.
Two of problem of the present invention is achieved in that a kind of preparation method of pervious concrete additive, comprises the steps:
Step 10, preparation press the raw material of following weight percent, and the content percentage ratio sum of each raw material is 100%: silicon ash 60 ~ 80%, polyacrylamide 20 ~ 30%, sodium hydroxide 2 ~ 4%, sodium-chlor 1 ~ 2%, sodium sulfate 2 ~ 6%;
Grinding machine is added, grinding 20 ~ 30 minutes after step 20, first silicon is grey and polyacrylamide are dry;
Step 30, then in grinding machine, add sodium hydroxide, sodium-chlor and sodium sulfate, carry out grinding and mix rear discharging.
Further, described grinding machine is ball mill, column mill, rod mill or tuber grinder.
Tool of the present invention has the following advantages:
1, the additive of employing prepared by the present invention be not compared with mixing the pervious concrete of this additive, and within 1 to 28 day, ultimate compression strength significantly improves, and longterm strength also has growth.
2, adopt the additive prepared by the present invention, effectively can accelerate the construction speed of permeable mixed soil, shorten place, equipment and artificial turn around time, increase economic efficiency.
3, the pervious concrete adopting the present invention to prepare, on the basis ensureing concrete water permeability, can significantly improve concrete mechanical property, guarantee the construction quality of engineering.
4, additive preparation technology of the present invention is simple, and operation is easy, easily operates, practical.
Accompanying drawing explanation
Fig. 1 is the preparation flow figure of pervious concrete additive of the present invention.
Embodiment
A kind of pervious concrete additive of the present invention, described additive is made up of the raw material of following weight per-cent, and the content percentage ratio sum of each raw material is 100%: silicon ash 60 ~ 80%; Polyacrylamide 20 ~ 30%; Sodium hydroxide 2 ~ 4%; Sodium-chlor 1 ~ 2%; Sodium sulfate 2 ~ 6%.
Consult shown in Fig. 1, the preparation method of a kind of pervious concrete additive of the present invention, comprises the steps:
Step 10, preparation press the raw material of following weight percent, and the content percentage ratio sum of each raw material is 100%: silicon ash 60 ~ 80%, polyacrylamide 20 ~ 30%, sodium hydroxide 2 ~ 4%, sodium-chlor 1 ~ 2%, sodium sulfate 2 ~ 6%;
Grinding machine is added, grinding 20 ~ 30 minutes after step 20, first silicon is grey and polyacrylamide are dry;
Step 30, then in grinding machine, add sodium hydroxide, sodium-chlor and sodium sulfate, carry out grinding and mix rear discharging.
Wherein, described grinding machine is ball mill, column mill, rod mill or tuber grinder.
The invention will be further described to enumerate 5 embodiments below:
Embodiment 1: add grinding machine by after silicon ash, the dry metering of polyacrylamide, grinding 20 ~ 30 minutes, add sodium hydroxide, sodium-chlor, the sodium sulfate by formula metering again, carry out grinding and mix, wherein, be by weight: silicon ash 60kg, polyacrylamide 30kg, sodium hydroxide 3kg, sodium-chlor 2kg, sodium sulfate 5kg, mixes and can obtain pervious concrete specialist additive of the present invention.
Embodiment 2: add grinding machine by after silicon ash, the dry metering of polyacrylamide, grinding 20 ~ 30 minutes, add sodium hydroxide, sodium-chlor, the sodium sulfate by formula metering again, carry out grinding and mix, wherein, be by weight: silicon ash 68kg, polyacrylamide 25kg, sodium hydroxide 2kg, sodium-chlor 1kg, sodium sulfate 4kg, mixes and can obtain pervious concrete specialist additive of the present invention.
Embodiment 3: add grinding machine by after silicon ash, the dry metering of polyacrylamide, grinding 20 ~ 30 minutes, add sodium hydroxide, sodium-chlor, the sodium sulfate by formula metering again, carry out grinding and mix, wherein, be by weight: silicon ash 75kg, polyacrylamide 20kg, sodium hydroxide 2kg, sodium-chlor 1kg, sodium sulfate 2kg, mixes and can obtain pervious concrete specialist additive of the present invention.
Embodiment 4: add grinding machine by after silicon ash, the dry metering of polyacrylamide, grinding 20 ~ 30 minutes, add sodium hydroxide, sodium-chlor, the sodium sulfate by formula metering again, carry out grinding and mix, wherein, be by weight: silicon ash 80kg, polyacrylamide 10kg, sodium hydroxide 2kg, sodium-chlor 1kg, sodium sulfate 2kg, mixes and can obtain pervious concrete specialist additive of the present invention.
Embodiment 5: add grinding machine by after silicon ash, the dry metering of polyacrylamide, grinding 20 ~ 30 minutes, add sodium hydroxide, sodium-chlor, the sodium sulfate by formula metering again, carry out grinding and mix, wherein, be by weight: silicon ash 60kg, polyacrylamide 20kg, sodium hydroxide 4kg, sodium-chlor 2kg, sodium sulfate 6kg, mixes and can obtain pervious concrete specialist additive of the present invention.
The present invention is in the process of the described pervious concrete additive of preparation, and the churning time related to needs to control well, because churning time is too short or the oversize usefulness that all can affect this additive, if the time is too short, five kinds of component disperses are uneven, have partly precipitated, and then affect its usefulness; If the time is oversize, destroys stock blend structure, affect the performance of its usefulness.
Experimental group is set to by adopting the concrete mixing pervious concrete additive of the present invention formulated, and be provided with 5 experimental group altogether according to the difference of each weight percent of this pervious concrete additive, in each experimental group, each weight percent is as shown in table 1, in addition, control group is set to by adopting the concrete not adding pervious concrete additive formulated, then the performance with regard to control group and each experimental group measures respectively, and its result is as shown in table 2 below.
Table 1
Get the rubble 1512 ± 5 grams of particle diameter 4.75 ~ 9.5mm, add No. 425 ordinary portland cements 1000 ± 3 grams, add pervious concrete additive 15 grams of samples of restraining with water 330 ± 1 that above-described embodiment 1-5 makes again, by with the same terms under do not add the sample that pervious concrete additive makes, make test specimen (sample dimensions is 150mm × 150mm × 150mm) by CJJ/T135-2009 " water-permeable cement concrete pavement technique code " method regulation to measure unconfined compression strength and compare, the contrast of its sample ultimate compression strength is as follows:
Table 2 unit: MPa
As shown in Table 2, the additive of employing prepared by the present invention be not compared with mixing the pervious concrete of this additive, and within 3 to 28 days, ultimate compression strength significantly improves, and longterm strength also has growth.Like this, adopt the additive prepared by the present invention, effectively can accelerate the construction speed of permeable mixed soil, shorten place, equipment and artificial turn around time, increase economic efficiency.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (3)
1. a pervious concrete additive, is characterized in that: described additive is made up of the raw material of following weight per-cent, and the content percentage ratio sum of each raw material is 100%:
2. a preparation method for pervious concrete additive, is characterized in that: comprise the steps:
Step 10, preparation press the raw material of following weight percent, and the content percentage ratio sum of each raw material is 100%: silicon ash 60 ~ 80%, polyacrylamide 20 ~ 30%, sodium hydroxide 2 ~ 4%, sodium-chlor 1 ~ 2%, sodium sulfate 2 ~ 6%;
Grinding machine is added, grinding 20 ~ 30 minutes after step 20, first silicon is grey and polyacrylamide are dry;
Step 30, then in grinding machine, add sodium hydroxide, sodium-chlor and sodium sulfate, carry out grinding and mix rear discharging.
3. the preparation method of a kind of pervious concrete additive according to claim 2, is characterized in that: described grinding machine is ball mill, column mill, rod mill or tuber grinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031877.7A CN103787610B (en) | 2014-01-23 | 2014-01-23 | A kind of pervious concrete additive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031877.7A CN103787610B (en) | 2014-01-23 | 2014-01-23 | A kind of pervious concrete additive and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103787610A CN103787610A (en) | 2014-05-14 |
| CN103787610B true CN103787610B (en) | 2016-01-13 |
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| CN201410031877.7A Expired - Fee Related CN103787610B (en) | 2014-01-23 | 2014-01-23 | A kind of pervious concrete additive and preparation method thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776940B (en) * | 2016-02-17 | 2017-11-17 | 重庆市木越机械制造有限公司 | A kind of pervious concrete bonding agent and preparation method |
| CN106746884A (en) * | 2016-12-21 | 2017-05-31 | 深圳市嘉达高科产业发展有限公司 | Pervious concrete reinforcing agent and preparation method thereof |
| CN106698996A (en) * | 2017-02-27 | 2017-05-24 | 江西省建筑材料工业科学研究设计院 | Water retention reinforcing agent of permeable concrete |
| CN108516772B (en) * | 2018-06-25 | 2020-10-30 | 深圳市振惠建混凝土有限公司 | Pervious concrete and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106211A (en) * | 1986-09-16 | 1988-04-20 | 石油部施工技术研究所 | Additive agent for underwater cement |
| CN1049645A (en) * | 1990-06-26 | 1991-03-06 | 王复生 | Produce the method for addetives for high effective and modified silicon ash |
-
2014
- 2014-01-23 CN CN201410031877.7A patent/CN103787610B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106211A (en) * | 1986-09-16 | 1988-04-20 | 石油部施工技术研究所 | Additive agent for underwater cement |
| CN1049645A (en) * | 1990-06-26 | 1991-03-06 | 王复生 | Produce the method for addetives for high effective and modified silicon ash |
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| CN103787610A (en) | 2014-05-14 |
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Address after: Yangqiao Road Gulou District of Fuzhou city of Fujian Province, No. 162 350002 Applicant after: FUJIAN JIANKE ENGINEERING TECHNOLOGY CO.,LTD. Address before: Fuzhou City, Fujian Province, Yangqiao road 350000 No. 162 Applicant before: TECHNOLOGY DEV DEPARTMENT FUJIAN ACADEMY OF BUILDING RES |
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Effective date of registration: 20160324 Address after: 350101, No. three, No. 1, Tieling industrial concentration area, Minhou County, Fuzhou, Fujian Patentee after: FUJIAN CONSTRUCTION ENGINEERING GROUP BUILDING MATERIAL SCIENCE & TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: Yangqiao Road Gulou District of Fuzhou city of Fujian Province, No. 162 350002 Patentee before: FUJIAN JIANKE ENGINEERING TECHNOLOGY CO.,LTD. |
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