CN104386985A - High-strength frost-resistant concrete - Google Patents
High-strength frost-resistant concrete Download PDFInfo
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- CN104386985A CN104386985A CN201410635443.8A CN201410635443A CN104386985A CN 104386985 A CN104386985 A CN 104386985A CN 201410635443 A CN201410635443 A CN 201410635443A CN 104386985 A CN104386985 A CN 104386985A
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Abstract
The invention discloses high-strength frost-resistant concrete which comprises the following components in parts by weight: 150-300 parts of ordinary Portland cement, 200-450 parts of sea sand, 400-700 parts of gravel, 80-120 parts of water, 20-60 parts of silicon powder, 20-50 parts of natural zeolite, 10-20 parts of limestone powder, 2-5 parts of polyoxyethylene resin, 5-20 parts of polypropylene staple fiber, 3-15 parts of polyvinyl alcohol fiber, 0.5-1.2 parts of glycerol, 0.5-1.3 parts of dipropyl glycol, 5-10 parts of talcum powder, 0.3-1 part of corrosion inhibitor, 0.2-0.5 part of sodium benzoate, 0.2-0.5 part of polyacrylamide, 0.5-1.2 parts of hydroxyethyl cellulose ether, 5-8 parts of antifreezing agent and 3-6 parts of water reducer. The high-strength frost-resistant concrete disclosed by the invention has high strength, favorable frost resistance and long service life.
Description
Technical field
The present invention relates to technical field of concrete, particularly relate to a kind of high strength frost-resistant concrete.
Background technology
Along with the quickening of industrial development and urbanization process, concrete also becomes the preferred material of the buildings such as road, dam and bridge.Strong concrete has that intensity is high, mobility is large, early strength is high, good endurance and quality are light, the feature of material-saving Be very effective, the work of external advanced country research promotion high-strength concrete has carried out decades, and China's development of high strength is concrete starts late, current concrete intensity can not meet the requirement of society, concrete structure Service Environment is very complicated often in addition, and construction is inevitable in the winter time, current concrete frost resistance can not meet the requirement of society, needs to research and develop further.Therefore develop a kind of high strength freeze proof concrete and vital role is served to construction saving society of China.
Summary of the invention
The present invention proposes a kind of high strength frost-resistant concrete, its intensity is high, and frost resistance is good, long service life.
The present invention proposes a kind of high strength frost-resistant concrete, its raw material comprises following component by weight: ordinary Portland cement 150-300 part, sea sand 200-450 part, rubble 400-700 part, water 80-120 part, silica flour 20-60 part, natural zeolite 20-50 part, limestone powder 10-20 part, peo resin 2-5 part, polypropene staple 5-20 part, polyvinyl alcohol fiber 3-15 part, glycerol 0.5-1.2 part, dipropyl ethylene glycol 0.5-1.3 part, talcum powder 5-10 part, rust inhibitor 0.3-1 part, Sodium Benzoate 0.2-0.5 part, polyacrylamide 0.2-0.5 part, hydroxyethyl ether cellulose 0.5-1.2 part, frostproofer 5-8 part, water reducer 3-6 part,
Wherein, described rust inhibitor is mixed by the water stirring and dissolving of the Allyl thiourea of the diethylenetriamine of the Sodium orthomolybdate of 0.3-0.5 weight part, 2-4 weight part, 0.1-0.15 weight part, the Isosorbide-5-Nitrae-butynediol of 0.2-0.5 weight part, the ethanol of 10-15 weight part and 50-70 weight part and forms; Described frostproofer is uniformly mixed by the dihydrate gypsum of the calcium nitrite of the anhydrous sodium sulphate of 3-7 weight part, 5-10 weight part, the calcium lignin sulphonate of 2-3 weight part, the sodium lauryl sulphate of 2-3 weight part and 4-9 weight part and forms.
Preferably, its raw material comprises following component by weight: ordinary Portland cement 235-250 part, sea sand 350-410 part, rubble 580-620 part, water 100-105 part, silica flour 45-52 part, natural zeolite 39-42 part, limestone powder 14-18 part, peo resin 3-3.6 part, polypropene staple 12-16 part, polyvinyl alcohol fiber 7-10 part, glycerol 0.8-1.0 part, dipropyl ethylene glycol 0.9-1.1 part, talcum powder 7-9 part, rust inhibitor 0.5-0.63 part, Sodium Benzoate 0.35-0.42 part, polyacrylamide 0.39-0.42 part, hydroxyethyl ether cellulose 0.8-0.92 part, frostproofer 7-7.6 part, water reducer 4-4.7 part.
Preferably, its raw material comprises following component by weight: ordinary Portland cement 242 parts, 400 parts, extra large sand, rubble 595 parts, 103 parts, water, silica flour 49 parts, natural zeolite 39.8 parts, limestone powder 15.6 parts, peo resin 3.2 parts, polypropene staple 14.3 parts, polyvinyl alcohol fiber 8.2 parts, glycerol 0.86 part, dipropyl ethylene glycol 1.06 parts, talcum powder 8.3 parts, rust inhibitor 0.57 part, Sodium Benzoate 0.39 part, polyacrylamide 0.4 part, hydroxyethyl ether cellulose 0.87 part, frostproofer 7.3 parts, water reducer 4.2 parts.
Preferably, described rust inhibitor is mixed by the water stirring and dissolving of the Allyl thiourea of the diethylenetriamine of the Sodium orthomolybdate of 0.37-0.43 weight part, 2.6-3.2 weight part, 0.13-0.14 weight part, the Isosorbide-5-Nitrae-butynediol of 0.32-0.41 weight part, the ethanol of 12-12.9 weight part and 59-62 weight part and forms; Described frostproofer is uniformly mixed by the dihydrate gypsum of the calcium nitrite of the anhydrous sodium sulphate of 5-5.6 weight part, 8-8.6 weight part, the calcium lignin sulphonate of 2.5-2.8 weight part, the sodium lauryl sulphate of 2.6-2.9 weight part and 6.3-7.2 weight part and forms.
Preferably, described rust inhibitor is mixed by the water stirring and dissolving of the Allyl thiourea of the diethylenetriamine of the Sodium orthomolybdate of 0.4 weight part, 3.1 weight parts, 0.14 weight part, the Isosorbide-5-Nitrae-butynediol of 0.38 weight part, the ethanol of 12.5 weight parts and 61 weight parts and forms; Described frostproofer is uniformly mixed by the dihydrate gypsum of the calcium nitrite of the anhydrous sodium sulphate of 5.4 weight parts, 8.2 weight parts, the calcium lignin sulphonate of 2.6 weight parts, the sodium lauryl sulphate of 2.8 weight parts and 7 weight parts and forms.
Preferably, in described silica flour, the content of silicon-dioxide is 92-95wt%.
Preferably, the length of described polypropene staple is 0.5-5mm.
In the present invention, silica flour activity is high, obvious to concrete enhancement, concrete ultimate compression strength can be improved, the increase of silica flour may make concrete viscosity increase, also can strengthen concrete contraction, natural zeolite mixes in concrete and makes hydration reaction evenly and fully, improve concrete intensity and degree of compactness, alkali-aggregate reaction ability is suppressed because of absorption basic ion, alleviate the harm of alkali-gather materials, limestone powder mixes concrete can reduce bleeding, segregation, delay slump loss, with silica flour, natural zeolite coordinates, hydrated cementitious can also be promoted, improve strength of cement, glycerol, dipropyl ethylene glycol coordinate as economization agent, reduce the surface tension of concrete voids water, thus the string stress produced when reducing pore dehydration, increase the viscosity of concrete hollow gap water, enhance the adsorption of water in gelinite and reduce concrete shrinkage value, reducing the increasing adding the concrete shrinkage caused because of silica flour, polyacrylamide, hydroxyethyl ether cellulose coordinate the surface tension that effectively can reduce water with talcum powder, water reducer, make water well can soak cement granules, thus get rid of the air being adsorbed on cement particle surface, make cement granules aquation more complete, accelerate the formation of crystalized cement, generation ionic linkage combines, water reducer wherein can significantly reduce concrete water cement ratio, make the concrete voidage after sclerosis lower, the good dispersity of Water-reducing Admixtures To Cements, the extent of hydration of cement can be improved, improve concrete intensity further, rust inhibitor can make to enter concrete harmful ion and loses or reduce its corrosive power, extend concrete work-ing life, improve extra large sand to concrete corrosive nature simultaneously, coordinate with talcum powder, Sodium Benzoate and peo resin, the effect of releasing agent can also be played, adding of frostproofer improves concrete pumpability when concrete is constructed in the winter time, decrease concrete bleeding and shrinkage value, inhibit the generation of unhealed cracks, the concrete quality of guarantee is played a positive role, in addition, peo resin Heat stability is good, low toxicity, use safety, can improve concrete processing characteristics, accelerating construction progress, improve the bonding force between other material, improve the consistency of each component in concrete, make the collaborative promotion of the performance of each component.
In the present invention, by selecting suitable raw material, control the content of raw material, make the collaborative promotion of the performance of each raw material, the high strength frost-resistant concrete intensity obtained is high, frost resistance good, long service life.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail; should understand; embodiment is only for illustration of the present invention, instead of for limiting the present invention, any amendment, equivalent replacement etc. made on basis of the present invention is all in protection scope of the present invention.
In a particular embodiment, high strength frost-resistant concrete of the present invention, in its raw material, the weight part of ordinary Portland cement can be 151, 152.3, 156, 167, 174, 180, 185, 190, 193, 200, 203, 208, 210, 216, 220, 223, 228, 230, 235.9, 239, 246, 258, 263, 267, 270, 274, 278.9, 280, 286, 290, 294.6 parts, the weight part of extra large sand can be 205, 210, 219, 225, 234, 246, 253, 268, 283, 294, 300, 305, 312, 346, 358, 364, 375, 380, 384, 390, 395, 406.5, 415, 423, 438, 447.6 parts, the weight part of rubble can be 405, 418, 423, 435, 446, 458, 467, 478, 485, 494, 500, 506, 512, 523, 536, 546, 558, 567, 578, 589, 594, 600, 603, 612, 623, 635, 648, 659, 667, 674, 685, 694 parts, the weight part of water can be 80.6, 81, 82.3, 83, 84, 85.6, 86, 86.7, 88, 88.9, 90, 90.4, 91, 91.5, 92, 92.6, 93, 93.5, 94, 94.6, 95, 95.8, 97, 98, 98.6, 108.6, 110, 112, 114.6, 117.8, 119.4 parts, the weight part of silica flour can be 20.3, 21, 21.6, 22, 22.5, 23, 23.4, 24, 24.6, 26, 27, 29, 30, 30.5, 34, 35, 38, 39, 39.4, 40, 40.5, 41, 43, 47, 48.9, 50, 50.3, 51, 54, 56, 58.9, 59.4 parts, the weight part of natural zeolite can be 20.3, 22, 24.6, 27, 27.8, 29, 29.4, 30, 30.6, 32, 34, 35.6, 37, 37.9, 38, 39.4, 40.5, 41, 41.6, 43, 43.8, 45, 46, 47.9, 48.5, 49.4 parts, the weight part of limestone powder can be 10.3, 11, 11.5, 12, 12.6, 13, 13.4, 14.5, 15, 15.3, 16, 16.7, 17, 17.8, 18.4, 19, 19.4 parts, the weight part of peo resin can be 2.3, 2.8, 3.4, 3.7, 4, 4.2, 4.6, 4.8, 4.95 parts, the weight part of polypropene staple can be 5.6, 6, 6.3, 7, 7.4, 8, 8.5, 9, 9.4, 10, 10.6, 11, 11.5, 12.6, 13, 13.4, 14, 14.5, 15, 15.6, 16.7, 17, 17.4, 18, 18.9, 19, 19.4 parts, the weight part of polyvinyl alcohol fiber can be 3.6, 4, 4.5, 5, 5.3, 6, 6.7, 7.5, 8, 8.36, 9, 9.5, 10.6, 11, 11.3, 12, 12.4, 13, 13.5, 14, 14.8 parts, the weight part of glycerol can be 0.53, 0.6, 0.64, 0.78, 0.9, 0.94, 1.05, 1.1, 1.16 parts, the weight part of dipropyl ethylene glycol can be 0.56, 0.6, 0.64, 0.7, 0.75, 0.8, 0.86, 0.94, 1.0, 1.05, 1.16, 1.2, 1.23, 1.28 parts, talcous weight part can be 5.2, 5.8, 6, 6.3, 6.8, 7.4, 7.86, 8, 8.7, 9.4, 9.8 parts, the weight part of rust inhibitor can be 0.35, 0.4, 0.46, 0.6, 0.67, 0.8, 0.85, 0.9, 0.93 part, the weight part of Sodium Benzoate can be 0.23, 0.26, 0.28, 0.3, 0.34, 0.38, 0.4, 0.45, 0.47, 0.48, 0.49 part, the weight part of polyacrylamide can be 0.23, 0.3, 0.34, 0.38, 0.46, 0.49 part, the weight part of hydroxyethyl ether cellulose can be 0.56, 0.6, 0.63, 0.7, 0.75, 0.86, 0.9, 0.94, 1.0, 1.03, 1.18 parts, the weight part of frostproofer can be 5.2, 5.6, 5.9, 6, 6.4, 6.58, 6.9, 7.5, 7.89 parts, the weight part of water reducer can be 3.2, 3.8, 3.95, 4.5, 4.68, 4.9, 5, 5.3, 5.7, 5.86, 5.9, 5.94 part.
Embodiment 1
High strength frost-resistant concrete of the present invention, its raw material comprises following component by weight: ordinary Portland cement 150 parts, 450 parts, extra large sand, rubble 400 parts, 120 parts, water, silica flour 20 parts, natural zeolite 50 parts, limestone powder 10 parts, peo resin 5 parts, polypropene staple 5 parts, polyvinyl alcohol fiber 15 parts, glycerol 0.5 part, dipropyl ethylene glycol 1.3 parts, talcum powder 5 parts, rust inhibitor 1 part, Sodium Benzoate 0.2 part, polyacrylamide 0.5 part, hydroxyethyl ether cellulose 0.5 part, frostproofer 8 parts, water reducer 3 parts;
Wherein, described rust inhibitor is mixed by the water stirring and dissolving of the Allyl thiourea of the diethylenetriamine of the Sodium orthomolybdate of 0.5 weight part, 2 weight parts, 0.15 weight part, the Isosorbide-5-Nitrae-butynediol of 0.2 weight part, the ethanol of 15 weight parts and 50 weight parts and forms; Described frostproofer is uniformly mixed by the dihydrate gypsum of the calcium nitrite of the anhydrous sodium sulphate of 7 weight parts, 5 weight parts, the calcium lignin sulphonate of 3 weight parts, the sodium lauryl sulphate of 2 weight parts and 9 weight parts and forms.
Embodiment 2
High strength frost-resistant concrete of the present invention, its raw material comprises following component by weight: ordinary Portland cement 300 parts, 200 parts, extra large sand, rubble 700 parts, 80 parts, water, silica flour 60 parts, natural zeolite 20 parts, limestone powder 20 parts, peo resin 2 parts, polypropene staple 20 parts, polyvinyl alcohol fiber 3 parts, glycerol 1.2 parts, dipropyl ethylene glycol 0.5 part, talcum powder 10 parts, rust inhibitor 0.3 part, Sodium Benzoate 0.5 part, polyacrylamide 0.2 part, hydroxyethyl ether cellulose 1.2 parts, frostproofer 5 parts, water reducer 6 parts;
Wherein, in described silica flour, the content of silicon-dioxide is 92wt%;
Described rust inhibitor is mixed by the water stirring and dissolving of the Allyl thiourea of the diethylenetriamine of the Sodium orthomolybdate of 0.3 weight part, 4 weight parts, 0.1 weight part, the Isosorbide-5-Nitrae-butynediol of 0.5 weight part, the ethanol of 10 weight parts and 70 weight parts and forms; Described frostproofer is uniformly mixed by the dihydrate gypsum of the calcium nitrite of the anhydrous sodium sulphate of 3 weight parts, 10 weight parts, the calcium lignin sulphonate of 2 weight parts, the sodium lauryl sulphate of 3 weight parts and 4 weight parts and forms.
Embodiment 3
High strength frost-resistant concrete of the present invention, its raw material comprises following component by weight: ordinary Portland cement 280 parts, 300 parts, the sand in sea, rubble 467 parts, 92.6 parts, water, silica flour 24.6 parts, natural zeolite 38 parts, limestone powder 17.8 parts, peo resin 4.6 parts, polypropene staple 10.6 parts, polyvinyl alcohol fiber 11.3 parts, glycerol 1.1 parts, dipropyl ethylene glycol 0.94 part, talcum powder 7.86 parts, rust inhibitor 0.67 part, Sodium Benzoate 0.38 part, polyacrylamide 0.46 part, hydroxyethyl ether cellulose 0.94 part, frostproofer 6.9 parts, water reducer 5.86 parts,
Wherein, in described silica flour, the content of silicon-dioxide is 95wt%;
Described rust inhibitor is mixed by the water stirring and dissolving of the Allyl thiourea of the diethylenetriamine of the Sodium orthomolybdate of 0.35 weight part, 2.7 weight parts, 0.12 weight part, the Isosorbide-5-Nitrae-butynediol of 0.29 weight part, the ethanol of 14 weight parts and 58 weight parts and forms; Described frostproofer is uniformly mixed by the dihydrate gypsum of the calcium nitrite of the anhydrous sodium sulphate of 3.9 weight parts, 8.6 weight parts, the calcium lignin sulphonate of 2.9 weight parts, the sodium lauryl sulphate of 2.2 weight parts and 6.3 weight parts and forms.
Embodiment 4
High strength frost-resistant concrete of the present invention, its raw material comprises following component by weight: ordinary Portland cement 242 parts, 400 parts, the sand in sea, rubble 595 parts, 103 parts, water, silica flour 49 parts, natural zeolite 39.8 parts, limestone powder 15.6 parts, peo resin 3.2 parts, polypropene staple 14.3 parts, polyvinyl alcohol fiber 8.2 parts, glycerol 0.86 part, dipropyl ethylene glycol 1.06 parts, talcum powder 8.3 parts, rust inhibitor 0.57 part, Sodium Benzoate 0.39 part, polyacrylamide 0.4 part, hydroxyethyl ether cellulose 0.87 part, frostproofer 7.3 parts, water reducer 4.2 parts,
Wherein, in described silica flour, the content of silicon-dioxide is 93wt%; The length of described polypropene staple is 0.5-5mm; Described rust inhibitor is mixed by the water stirring and dissolving of the Allyl thiourea of the diethylenetriamine of the Sodium orthomolybdate of 0.4 weight part, 3.1 weight parts, 0.14 weight part, the Isosorbide-5-Nitrae-butynediol of 0.38 weight part, the ethanol of 12.5 weight parts and 61 weight parts and forms; Described frostproofer is uniformly mixed by the dihydrate gypsum of the calcium nitrite of the anhydrous sodium sulphate of 5.4 weight parts, 8.2 weight parts, the calcium lignin sulphonate of 2.6 weight parts, the sodium lauryl sulphate of 2.8 weight parts and 7 weight parts and forms.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (7)
1. a high strength frost-resistant concrete, it is characterized in that, its raw material comprises following component by weight: ordinary Portland cement 150-300 part, sea sand 200-450 part, rubble 400-700 part, water 80-120 part, silica flour 20-60 part, natural zeolite 20-50 part, limestone powder 10-20 part, peo resin 2-5 part, polypropene staple 5-20 part, polyvinyl alcohol fiber 3-15 part, glycerol 0.5-1.2 part, dipropyl ethylene glycol 0.5-1.3 part, talcum powder 5-10 part, rust inhibitor 0.3-1 part, Sodium Benzoate 0.2-0.5 part, polyacrylamide 0.2-0.5 part, hydroxyethyl ether cellulose 0.5-1.2 part, frostproofer 5-8 part, water reducer 3-6 part,
Wherein, described rust inhibitor is mixed by the water stirring and dissolving of the Allyl thiourea of the diethylenetriamine of the Sodium orthomolybdate of 0.3-0.5 weight part, 2-4 weight part, 0.1-0.15 weight part, the Isosorbide-5-Nitrae-butynediol of 0.2-0.5 weight part, the ethanol of 10-15 weight part and 50-70 weight part and forms; Described frostproofer is uniformly mixed by the dihydrate gypsum of the calcium nitrite of the anhydrous sodium sulphate of 3-7 weight part, 5-10 weight part, the calcium lignin sulphonate of 2-3 weight part, the sodium lauryl sulphate of 2-3 weight part and 4-9 weight part and forms.
2. high strength frost-resistant concrete according to claim 1, it is characterized in that, its raw material comprises following component by weight: ordinary Portland cement 235-250 part, sea sand 350-410 part, rubble 580-620 part, water 100-105 part, silica flour 45-52 part, natural zeolite 39-42 part, limestone powder 14-18 part, peo resin 3-3.6 part, polypropene staple 12-16 part, polyvinyl alcohol fiber 7-10 part, glycerol 0.8-1.0 part, dipropyl ethylene glycol 0.9-1.1 part, talcum powder 7-9 part, rust inhibitor 0.5-0.63 part, Sodium Benzoate 0.35-0.42 part, polyacrylamide 0.39-0.42 part, hydroxyethyl ether cellulose 0.8-0.92 part, frostproofer 7-7.6 part, water reducer 4-4.7 part.
3. high strength frost-resistant concrete according to claim 1 or 2, it is characterized in that, its raw material comprises following component by weight: ordinary Portland cement 242 parts, 400 parts, the sand in sea, rubble 595 parts, 103 parts, water, silica flour 49 parts, natural zeolite 39.8 parts, limestone powder 15.6 parts, peo resin 3.2 parts, polypropene staple 14.3 parts, polyvinyl alcohol fiber 8.2 parts, glycerol 0.86 part, dipropyl ethylene glycol 1.06 parts, talcum powder 8.3 parts, rust inhibitor 0.57 part, Sodium Benzoate 0.39 part, polyacrylamide 0.4 part, hydroxyethyl ether cellulose 0.87 part, frostproofer 7.3 parts, water reducer 4.2 parts.
4. high strength frost-resistant concrete according to any one of claim 1-3, it is characterized in that, described rust inhibitor is mixed by the water stirring and dissolving of the Allyl thiourea of the diethylenetriamine of the Sodium orthomolybdate of 0.37-0.43 weight part, 2.6-3.2 weight part, 0.13-0.14 weight part, the Isosorbide-5-Nitrae-butynediol of 0.32-0.41 weight part, the ethanol of 12-12.9 weight part and 59-62 weight part and forms; Described frostproofer is uniformly mixed by the dihydrate gypsum of the calcium nitrite of the anhydrous sodium sulphate of 5-5.6 weight part, 8-8.6 weight part, the calcium lignin sulphonate of 2.5-2.8 weight part, the sodium lauryl sulphate of 2.6-2.9 weight part and 6.3-7.2 weight part and forms.
5. high strength frost-resistant concrete according to any one of claim 1-4, it is characterized in that, described rust inhibitor is mixed by the water stirring and dissolving of the Allyl thiourea of the diethylenetriamine of the Sodium orthomolybdate of 0.4 weight part, 3.1 weight parts, 0.14 weight part, the Isosorbide-5-Nitrae-butynediol of 0.38 weight part, the ethanol of 12.5 weight parts and 61 weight parts and forms; Described frostproofer is uniformly mixed by the dihydrate gypsum of the calcium nitrite of the anhydrous sodium sulphate of 5.4 weight parts, 8.2 weight parts, the calcium lignin sulphonate of 2.6 weight parts, the sodium lauryl sulphate of 2.8 weight parts and 7 weight parts and forms.
6. high strength frost-resistant concrete according to any one of claim 1-5, is characterized in that, in described silica flour, the content of silicon-dioxide is 92-95wt%.
7. high strength frost-resistant concrete according to any one of claim 1-6, is characterized in that, the length of described polypropene staple is 0.5-5mm.
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| CN104876488A (en) * | 2015-05-18 | 2015-09-02 | 苏州中联新航混凝土有限公司 | High-strength anti-corrosion concrete |
| CN105152577A (en) * | 2015-09-24 | 2015-12-16 | 滁州京安工贸有限责任公司 | Chloride-free ammonia-free environment-friendly type concrete antifreezing agent |
| CN106145845A (en) * | 2016-07-01 | 2016-11-23 | 卓达新材料科技集团威海股份有限公司 | A kind of novel energy-saving construction material |
| CN106365556A (en) * | 2016-08-29 | 2017-02-01 | 蚌埠市宝运商品混凝土有限公司 | Anti-permeability anti-corrosion concrete |
| CN106380140A (en) * | 2016-08-29 | 2017-02-08 | 蚌埠市宝运商品混凝土有限公司 | Impermeable frost-resistant concrete |
| CN107324709A (en) * | 2017-07-13 | 2017-11-07 | 山东省水利科学研究院 | A kind of canal lining frost thawing resistance concrete of non-research work of air entrained type |
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