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A platform for research: civil engineering, architecture and urbanism
Viscosity-reducing anti-cracking material, improved high-strength bridge tower concrete and preparation method
The invention relates to a viscosity-reducing anti-cracking material, improved high-strength bridge tower concrete and a preparation method, and the viscosity-reducing anti-cracking material comprises the following components in parts by mass: 200-400 parts of microbeads, 400-500 parts of stone powder, 200-300 parts of a mineral reinforcing agent, 1-2 parts of a water reducing agent, 0.1-0.2 part of sodium thiosulfate, 0.01-0.02 part of an air entraining agent and 250-350 parts of an expanding agent. The viscosity-reducing anti-cracking material provided by the invention is added into high-strength bridge tower concrete, so that improved high-strength bridge tower concrete can be obtained, the viscosity of the high-strength bridge tower concrete can be reduced, the pumping performance of the high-strength bridge tower concrete can be improved, the hydration heat of the high-strength bridge tower concrete can be reduced, the shrinkage of the high-strength bridge tower concrete can be reduced, and the anti-cracking capability of the high-strength bridge tower concrete can be improved; meanwhile, the appearance of the concrete can be improved, no adverse effect is generated on the strength of the concrete, and development and application of the high-strength bridge tower concrete are greatly promoted.
本申请涉及一种降粘抗裂材料、改进型高强桥塔混凝土及制备方法，按照质量份数计，降粘抗裂材料包括：微珠200～400份、石粉400～500份、矿物增强剂200～300份、减水剂1～2份、硫代硫酸钠0.1～0.2份、引气剂0.01～0.02份、膨胀剂250～350份。本申请提供的降粘抗裂材料添加到高强桥塔混凝土中，可以得到改进型高强桥塔混凝土，能够降低高强桥塔混凝土的粘度、提高其泵送性能，还能降低高强桥塔混凝土的水化热、减小收缩、提高其抗裂能力，同时还可以改善混凝土的外观、对混凝土的强度无不利影响，大大推进高强桥塔混凝土的发展和应用。
Viscosity-reducing anti-cracking material, improved high-strength bridge tower concrete and preparation method
The invention relates to a viscosity-reducing anti-cracking material, improved high-strength bridge tower concrete and a preparation method, and the viscosity-reducing anti-cracking material comprises the following components in parts by mass: 200-400 parts of microbeads, 400-500 parts of stone powder, 200-300 parts of a mineral reinforcing agent, 1-2 parts of a water reducing agent, 0.1-0.2 part of sodium thiosulfate, 0.01-0.02 part of an air entraining agent and 250-350 parts of an expanding agent. The viscosity-reducing anti-cracking material provided by the invention is added into high-strength bridge tower concrete, so that improved high-strength bridge tower concrete can be obtained, the viscosity of the high-strength bridge tower concrete can be reduced, the pumping performance of the high-strength bridge tower concrete can be improved, the hydration heat of the high-strength bridge tower concrete can be reduced, the shrinkage of the high-strength bridge tower concrete can be reduced, and the anti-cracking capability of the high-strength bridge tower concrete can be improved; meanwhile, the appearance of the concrete can be improved, no adverse effect is generated on the strength of the concrete, and development and application of the high-strength bridge tower concrete are greatly promoted.
本申请涉及一种降粘抗裂材料、改进型高强桥塔混凝土及制备方法，按照质量份数计，降粘抗裂材料包括：微珠200～400份、石粉400～500份、矿物增强剂200～300份、减水剂1～2份、硫代硫酸钠0.1～0.2份、引气剂0.01～0.02份、膨胀剂250～350份。本申请提供的降粘抗裂材料添加到高强桥塔混凝土中，可以得到改进型高强桥塔混凝土，能够降低高强桥塔混凝土的粘度、提高其泵送性能，还能降低高强桥塔混凝土的水化热、减小收缩、提高其抗裂能力，同时还可以改善混凝土的外观、对混凝土的强度无不利影响，大大推进高强桥塔混凝土的发展和应用。
Viscosity-reducing anti-cracking material, improved high-strength bridge tower concrete and preparation method
一种降粘抗裂材料、改进型高强桥塔混凝土及制备方法
LI XIN (author) / CHEN LUYI (author) / LONG YONG (author) / HUANG YOUQIANG (author) / GE KEYU (author) / CAI XIN (author) / CAI YU (author) / WEI PENGLIANG (author) / ZHANG ZHIHAO (author) / ZHENG LI (author)
2023-08-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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