A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Super-early-strength grouting material under low-temperature environment as well as preparation method and application of super-early-strength grouting material
The invention relates to a super-early-strength grouting material under a low-temperature environment as well as a preparation method and application of the super-early-strength grouting material. The raw material formula of the super early strength grouting material comprises the following components: 180 to 300 parts of rapid hardening sulphoaluminate cement, 600 to 800 parts of ordinary Portland cement, 1 to 3 parts of polypropylene fiber, 10 to 20 parts of rubber powder, 120 to 200 parts of microbeads, 800 to 1200 parts of quartz sand, 3 to 12 parts of a retarder, 8 to 20 parts of a water reducing agent, 25 to 50 parts of an expanding agent, 1 to 5 parts of an early strength agent, 5 to 10 parts of an anti-freezing agent and 5 to 15 parts of a compound additive, the compound additive comprises a water-retaining agent, a fluidizing agent and a defoaming agent. The formula of the grouting material is optimized, and the water-binder ratio is low when the grouting material is used, so that the 5h compressive strength performance of the grouting material can reach 30MPa or above and the 3d compressive strength performance of the grouting material can reach 63MPa or above when the grouting material is cured in a low-temperature environment (-5 DEG C), and meanwhile, the grouting material also has excellent tensile property, adhesive property and fluidity, meets the performance requirements of the wind power tower drum, and is suitable for popularization and application. And the construction efficiency is greatly improved.
本发明涉及一种低温环境下的超早强灌浆料及其制备方法和应用，按重量份计，所述超早强灌浆料的原料配方包括以下组分：快硬硫铝酸盐水泥180～300份、普通硅酸盐水泥600～800份、聚丙烯纤维1～3份、胶粉10～20份、微珠120～200份、石英砂800～1200份、缓凝剂3‑12份、减水剂8‑20份、膨胀剂25‑50份、早强剂1‑5份、防冻剂5‑10份和复合助剂5‑15份，其中，所述复合助剂包括保水剂、流化剂和消泡剂。本发明通过优化灌浆料的配方结合使用时低水胶比，使得本发明的灌浆料在低温环境(‑5℃)养护下，5h抗压强度性能能够达到30MPa以上，3d抗压强度性能能够达到63MPa以上，同时还具有优异的抗拉性能、粘结性能及优异的流动度，满足风电塔筒的性能要求，并极大提升施工效率。
Super-early-strength grouting material under low-temperature environment as well as preparation method and application of super-early-strength grouting material
The invention relates to a super-early-strength grouting material under a low-temperature environment as well as a preparation method and application of the super-early-strength grouting material. The raw material formula of the super early strength grouting material comprises the following components: 180 to 300 parts of rapid hardening sulphoaluminate cement, 600 to 800 parts of ordinary Portland cement, 1 to 3 parts of polypropylene fiber, 10 to 20 parts of rubber powder, 120 to 200 parts of microbeads, 800 to 1200 parts of quartz sand, 3 to 12 parts of a retarder, 8 to 20 parts of a water reducing agent, 25 to 50 parts of an expanding agent, 1 to 5 parts of an early strength agent, 5 to 10 parts of an anti-freezing agent and 5 to 15 parts of a compound additive, the compound additive comprises a water-retaining agent, a fluidizing agent and a defoaming agent. The formula of the grouting material is optimized, and the water-binder ratio is low when the grouting material is used, so that the 5h compressive strength performance of the grouting material can reach 30MPa or above and the 3d compressive strength performance of the grouting material can reach 63MPa or above when the grouting material is cured in a low-temperature environment (-5 DEG C), and meanwhile, the grouting material also has excellent tensile property, adhesive property and fluidity, meets the performance requirements of the wind power tower drum, and is suitable for popularization and application. And the construction efficiency is greatly improved.
本发明涉及一种低温环境下的超早强灌浆料及其制备方法和应用，按重量份计，所述超早强灌浆料的原料配方包括以下组分：快硬硫铝酸盐水泥180～300份、普通硅酸盐水泥600～800份、聚丙烯纤维1～3份、胶粉10～20份、微珠120～200份、石英砂800～1200份、缓凝剂3‑12份、减水剂8‑20份、膨胀剂25‑50份、早强剂1‑5份、防冻剂5‑10份和复合助剂5‑15份，其中，所述复合助剂包括保水剂、流化剂和消泡剂。本发明通过优化灌浆料的配方结合使用时低水胶比，使得本发明的灌浆料在低温环境(‑5℃)养护下，5h抗压强度性能能够达到30MPa以上，3d抗压强度性能能够达到63MPa以上，同时还具有优异的抗拉性能、粘结性能及优异的流动度，满足风电塔筒的性能要求，并极大提升施工效率。
Super-early-strength grouting material under low-temperature environment as well as preparation method and application of super-early-strength grouting material
一种低温环境下的超早强灌浆料及其制备方法和应用
JIANG TAO (author) / XU ZHIYANG (author) / CAO XINCHENG (author) / HAN YUCHUN (author) / YU FENG (author) / WU GUOFANG (author) / SONG YANQIU (author)
2023-05-05
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2022
Low-temperature super-early-strength sleeve grouting material for prefabricated building
| European Patent Office | 2022
| European Patent Office | 2022
Super-early-strength self-sealing type cement-based grouting material and preparation method thereof
| European Patent Office | 2022