CN104016630A - Heat-preservation and freezing-resistant concrete and preparation method thereof - Google Patents
Heat-preservation and freezing-resistant concrete and preparation method thereof Download PDFInfo
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- CN104016630A CN104016630A CN201410178453.3A CN201410178453A CN104016630A CN 104016630 A CN104016630 A CN 104016630A CN 201410178453 A CN201410178453 A CN 201410178453A CN 104016630 A CN104016630 A CN 104016630A
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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
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention discloses a heat-preservation and freezing-resistant concrete prepared from the following raw materials in parts by weight: 260-270 parts of Portland cement, 30-50 parts of mineral powder, 70-90 parts of pulverized fuel ash, 850-870 parts of stone, 310-330 parts of sand, 170-190 parts of water, 2-4 parts of mineral oil, 13-16 parts of anhydrite, 2-4 parts of sodium borate, 40-60 parts of barium-containing sulphoaluminate cement, 1-2 parts of salicylic acid, 40-50 parts of volcanic rock fiber, 5-7 parts of bamboo charcoal powder, 80-100 parts of Xinjiang vermiculite powder, 2-4 parts of sodium acrylate, 20-30 parts of floating bead, 80-100 parts of modified plant ash, 6-6.5 parts of polycarboxylate superplasticizer, 1-2 parts of sodium alkyl benzene sulfonate and 6-10 parts of UEA (united expansion agent) concrete expansion agent. The concrete disclosed by the invention has the excellent performances of heat insulation, freezing resistance, antibacterial property, fire prevention, water absorption, sound absorption and the like, and can be used for improving the compressive strength and breaking strength, anti-cracking performance and anti-impact property of the concrete and solving the problems of early micro-cracks of the concrete.
Description
Technical field
The invention belongs to building material field, particularly the resistance to concrete and preparation method thereof that freezes of a kind of insulation.
Background technology
Concrete is as existing more than the 100 year history of material of construction, has advantages of a lot of incomparablely, and for example ultimate compression strength is high, draw materials easily, and easy-formation, cheap, can be combined with other materials and make various heavy firmwares.
Development along with component materials of concrete, people are not only confined to ultimate compression strength to concrete performance requriements, but basing oneself upon on the basis of intensity the balance and coordination of more focusing on concrete weather resistance, deformation performance, fire-and explosion-proof performance, water-impervious performance, toughness, erosion resistance, heat retaining property, health environment-friendly and reducing costs etc. overall target.The requirement of concrete property indices is than clearer and more definite, refinement and concrete in the past.Meanwhile, the lifting of Architectural Equipment level, continuing to bring out and promoting of novel construction process, makes concrete technology adapt to different designs, construction and service requirements, develops very fast.Therefore the concrete that, development performance is more excellent, function is more powerful, more adapt to novel process just seems particularly important.
Summary of the invention
The object of the present invention is to provide the resistance to concrete and preparation method thereof that freezes of a kind of insulation, this concrete have heat insulation, resistance toly freeze, the excellent properties such as antibacterial, fire prevention, water suction, sound absorption, improve concrete pressure-proof and snap-resistent intensity, resistance to cleavage, shock resistance, overcome the early stage tiny crack problem of concrete.
Technical scheme of the present invention is as follows:
Be incubated the resistance to concrete that freezes, it is characterized in that being made by the raw material of following weight part: silicate cement 260-270, breeze 30-50, flyash 70-90, stone 850-870, sand 310-330, water 170-190, mineral oil 2-4, anhydrite 13-16, Sodium Tetraborate 2-4, titanate-containing sulpho-aluminate cement 40-60, Whitfield's ointment 1-2, volcanics fiber 40-50, bamboo charcoal powder 5-7, Xinjiang Vermiculite powder 80-100, sodium acrylate 2-4, float pearl 20-30, modification plant ash 80-100, high-efficiency water-reducing agent of poly-carboxylic acid 6-6.5, sodium alkyl benzene sulfonate 1-2, UEA cement expansive material 6-10;
Described modification plant ash is made by the raw material of following weight part: plant ash 80-90, ten trifluoro octyl group Trimethoxy silane 5-7, poly-dextrose 1-2, wooden calcium 1-2, glass powder 10-20, microporous calcium silicate 8-10, methyl acrylate 3-4, paraffin wax emulsions 3-4, super finely ground slag 10-15, epoxy acrylate 6-7, calcium carbonate 3-4, ammonium persulphate 0.4-0.5, hydroxypropylated starch 0.7-1, phosphoesterase 30 .6-0.9, water 40-50; Making method is: plant ash is mixed with paraffin wax emulsions, ten trifluoro octyl group Trimethoxy silanes, place 1-2 days, mix with microporous calcium silicate, methyl acrylate, super finely ground slag, epoxy acrylate, ammonium persulphate, water again, stir into mud shape, be heated to 80-90 ℃, stir 30-40 minute, stirring and drying is ground into 100-200 order particle, mix with other remaining components, dispersion grinding 10-15 minute, obtains again.
Described insulation is resistance to freezes concrete preparation method, it is characterized in that comprising the following steps:
(1) Xinjiang Vermiculite powder, bamboo charcoal powder are mixed, add sodium alkyl benzene sulfonate, mineral oil, Sodium Tetraborate to stir, dispersion grinding 20-30 minute, obtains mixture;
(2) sodium acrylate, high-efficiency water-reducing agent of poly-carboxylic acid, Whitfield's ointment, UEA cement expansive material are mixed with water, stir, obtain mixture;
(3) other remaining components are mixed with the mixture that the first step and second step obtain, stir 2-6 minute, then cast;
(4) in the wet environment of 10-27 ℃, carry out maintenance after building, curing time is no less than 7d.
Beneficial effect of the present invention
Concrete of the present invention is by being used Xinjiang Vermiculite powder, floating pearl, volcanics fiber, have heat insulation, resistance toly freeze, the excellent properties such as antibacterial, fire prevention, water suction, sound absorption, improve concrete pressure-proof and snap-resistent intensity, resistance to cleavage, shock resistance, overcome the early stage tiny crack problem of concrete; By using modification plant ash, concrete density, water-repellancy have been increased, plasticity-and can pumping effective.Preparation method of concrete of the present invention is simple, with low cost, is very suitable for suitability for industrialized production.
Embodiment
Be incubated the resistance to concrete that freezes, by following weight part (kilogram) raw material make: silicate cement 265, breeze 30-50, flyash 80, stone 860, sand 320, water 180, mineral oil 3, anhydrite 14, Sodium Tetraborate 3, titanate-containing sulpho-aluminate cement 45, Whitfield's ointment 1.5, volcanics fiber 45, bamboo charcoal powder 6, Xinjiang Vermiculite powder 90, sodium acrylate 3, float pearl 25, modification plant ash 90, high-efficiency water-reducing agent of poly-carboxylic acid 6.4, sodium alkyl benzene sulfonate 1.4, UEA cement expansive material 8;
Described modification plant ash by following weight part (kilogram) raw material make: plant ash 85, ten trifluoro octyl group Trimethoxy silanes 6, poly-dextrose 1.5, wooden calcium 1.5, glass powder 15, microporous calcium silicate 9, methyl acrylate 3.5, paraffin wax emulsions 3.5, super finely ground slag 13, epoxy acrylate 6.5, calcium carbonate 3.5, ammonium persulphate 0.5, hydroxypropylated starch 0.8, phosphoesterase 30 .7, water 45; Making method is: plant ash is mixed with paraffin wax emulsions, ten trifluoro octyl group Trimethoxy silanes, place 1 day, mix with microporous calcium silicate, methyl acrylate, super finely ground slag, epoxy acrylate, ammonium persulphate, water again, stir into mud shape, be heated to 85 ℃, stir 35 minutes, stirring and drying is ground into 160 order particles, mix with other remaining components, dispersion grinding 14 minutes, obtains again.
Described insulation is resistance to freezes concrete preparation method, comprises the following steps:
(1) Xinjiang Vermiculite powder, bamboo charcoal powder are mixed, add sodium alkyl benzene sulfonate, mineral oil, Sodium Tetraborate to stir, dispersion grinding 25 minutes, obtains mixture;
(2) sodium acrylate, high-efficiency water-reducing agent of poly-carboxylic acid, Whitfield's ointment, UEA cement expansive material are mixed with water, stir, obtain mixture;
(3) other remaining components are mixed with the mixture that the first step and second step obtain, stir 4 minutes, then cast;
(4) in the wet environment of 10-17 ℃, carry out maintenance, maintenance 8d after building.
Experimental data:
The concrete slump of this embodiment is 15cm, and strength grade is C40, ultimate compression strength 45MPa, folding strength 18.6Mpa.
Claims (2)
1. one kind is incubated the resistance to concrete that freezes, it is characterized in that being made by the raw material of following weight part: silicate cement 260-270, breeze 30-50, flyash 70-90, stone 850-870, sand 310-330, water 170-190, mineral oil 2-4, anhydrite 13-16, Sodium Tetraborate 2-4, titanate-containing sulpho-aluminate cement 40-60, Whitfield's ointment 1-2, volcanics fiber 40-50, bamboo charcoal powder 5-7, Xinjiang Vermiculite powder 80-100, sodium acrylate 2-4, float pearl 20-30, modification plant ash 80-100, high-efficiency water-reducing agent of poly-carboxylic acid 6-6.5, sodium alkyl benzene sulfonate 1-2, UEA cement expansive material 6-10,
Described modification plant ash is made by the raw material of following weight part: plant ash 80-90, ten trifluoro octyl group Trimethoxy silane 5-7, poly-dextrose 1-2, wooden calcium 1-2, glass powder 10-20, microporous calcium silicate 8-10, methyl acrylate 3-4, paraffin wax emulsions 3-4, super finely ground slag 10-15, epoxy acrylate 6-7, calcium carbonate 3-4, ammonium persulphate 0.4-0.5, hydroxypropylated starch 0.7-1, phosphoesterase 30 .6-0.9, water 40-50; Making method is: plant ash is mixed with paraffin wax emulsions, ten trifluoro octyl group Trimethoxy silanes, place 1-2 days, mix with microporous calcium silicate, methyl acrylate, super finely ground slag, epoxy acrylate, ammonium persulphate, water again, stir into mud shape, be heated to 80-90 ℃, stir 30-40 minute, stirring and drying is ground into 100-200 order particle, mix with other remaining components, dispersion grinding 10-15 minute, obtains again.
2. insulation according to claim 1 is resistance to freezes concrete preparation method, it is characterized in that comprising the following steps:
(1) Xinjiang Vermiculite powder, bamboo charcoal powder are mixed, add sodium alkyl benzene sulfonate, mineral oil, Sodium Tetraborate to stir, dispersion grinding 20-30 minute, obtains mixture;
(2) sodium acrylate, high-efficiency water-reducing agent of poly-carboxylic acid, Whitfield's ointment, UEA cement expansive material are mixed with water, stir, obtain mixture;
(3) other remaining components are mixed with the mixture that the first step and second step obtain, stir 2-6 minute, then cast;
(4) in the wet environment of 10-27 ℃, carry out maintenance after building, curing time is no less than 7d.
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| CN201410178453.3A CN104016630A (en) | 2014-04-30 | 2014-04-30 | Heat-preservation and freezing-resistant concrete and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104386973A (en) * | 2014-10-09 | 2015-03-04 | 合肥向荣环保科技有限公司 | Building waste-containing thermal insulation board |
| CN104591629A (en) * | 2015-01-12 | 2015-05-06 | 枞阳县天筑新型建筑材料有限公司 | Highly waterproof flame-retardant concrete and preparation method thereof |
| CN104591653A (en) * | 2015-01-12 | 2015-05-06 | 枞阳县天筑新型建筑材料有限公司 | High-efficiency energy-saving environment-friendly concrete and preparation method thereof |
| CN104591597A (en) * | 2015-01-12 | 2015-05-06 | 枞阳县天筑新型建筑材料有限公司 | Concrete having sound absorption performance and preparation method thereof |
| CN104591651A (en) * | 2015-01-12 | 2015-05-06 | 枞阳县天筑新型建筑材料有限公司 | Fireproof flame-retardant concrete and preparation method thereof |
| CN107651894A (en) * | 2017-09-30 | 2018-02-02 | 镇江市太浪新材料科技有限公司 | A kind of inexpensive heat-insulating construction material and preparation method thereof |
| CN112759308A (en) * | 2021-01-05 | 2021-05-07 | 桐乡市鑫联混凝土有限公司 | Cold-resistant concrete and preparation method thereof |
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| CN102010168A (en) * | 2010-11-03 | 2011-04-13 | 广西华蓝设计(集团)有限公司 | Baking-free hollow thermal insulation blocks and preparation method thereof |
| TW201321335A (en) * | 2011-11-24 | 2013-06-01 | Unigold Building Materials Co Ltd | Sand slurry |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104386973A (en) * | 2014-10-09 | 2015-03-04 | 合肥向荣环保科技有限公司 | Building waste-containing thermal insulation board |
| CN104591629A (en) * | 2015-01-12 | 2015-05-06 | 枞阳县天筑新型建筑材料有限公司 | Highly waterproof flame-retardant concrete and preparation method thereof |
| CN104591653A (en) * | 2015-01-12 | 2015-05-06 | 枞阳县天筑新型建筑材料有限公司 | High-efficiency energy-saving environment-friendly concrete and preparation method thereof |
| CN104591597A (en) * | 2015-01-12 | 2015-05-06 | 枞阳县天筑新型建筑材料有限公司 | Concrete having sound absorption performance and preparation method thereof |
| CN104591651A (en) * | 2015-01-12 | 2015-05-06 | 枞阳县天筑新型建筑材料有限公司 | Fireproof flame-retardant concrete and preparation method thereof |
| CN107651894A (en) * | 2017-09-30 | 2018-02-02 | 镇江市太浪新材料科技有限公司 | A kind of inexpensive heat-insulating construction material and preparation method thereof |
| CN112759308A (en) * | 2021-01-05 | 2021-05-07 | 桐乡市鑫联混凝土有限公司 | Cold-resistant concrete and preparation method thereof |
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Application publication date: 20140903 |