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A platform for research: civil engineering, architecture and urbanism
Industrial gypsum-based premixed mortar and preparation method thereof
The invention provides industrial gypsum-based premixed mortar and a preparation method thereof. The industrial gypsum-based premixed mortar comprises industrial gypsum, mineral powder, cement, machine-made sand, a coagulant, an exciting agent, an internal curing agent, an air entraining agent, a water reducing agent and water. The coagulation accelerator comprises one or two of polymeric ferric silicate sulfate and polymeric ferric aluminum silicate, the exciting agent comprises lithium silicate, and the internal curing agent comprises zeolite powder. The setting accelerator, the exciting agent and the internal curing agent are matched, the effects of shortening the setting time and improving the strength of early concrete are achieved, meanwhile, curing is easy, a high-humidity environment is not needed, the setting time is only 4 h, the strength reaches 20 Mpa after 3 d, and the strength reaches 45 Mpa or above after 28 d.
本发明提出了一种工业石膏基预拌砂浆及制备方法，其中工业石膏基预拌砂浆包括工业石膏、矿粉、水泥、机制砂、促凝剂、激发剂、内养护剂、引气剂、减水剂和水；所述促凝剂包括聚合硫酸硅酸铁和聚合硅酸铁铝中的一种或两种，激发剂包括硅酸锂，内养护剂包括沸石粉。本发明的促凝剂、激发剂和内养护剂相配合，具有缩短凝结时间、提高早期混凝土强度的作用，同时养护简单，无需高湿环境，凝结时间只需要4h，3d的强度达到20Mpa，28d强度达到45Mpa以上。
Industrial gypsum-based premixed mortar and preparation method thereof
The invention provides industrial gypsum-based premixed mortar and a preparation method thereof. The industrial gypsum-based premixed mortar comprises industrial gypsum, mineral powder, cement, machine-made sand, a coagulant, an exciting agent, an internal curing agent, an air entraining agent, a water reducing agent and water. The coagulation accelerator comprises one or two of polymeric ferric silicate sulfate and polymeric ferric aluminum silicate, the exciting agent comprises lithium silicate, and the internal curing agent comprises zeolite powder. The setting accelerator, the exciting agent and the internal curing agent are matched, the effects of shortening the setting time and improving the strength of early concrete are achieved, meanwhile, curing is easy, a high-humidity environment is not needed, the setting time is only 4 h, the strength reaches 20 Mpa after 3 d, and the strength reaches 45 Mpa or above after 28 d.
本发明提出了一种工业石膏基预拌砂浆及制备方法，其中工业石膏基预拌砂浆包括工业石膏、矿粉、水泥、机制砂、促凝剂、激发剂、内养护剂、引气剂、减水剂和水；所述促凝剂包括聚合硫酸硅酸铁和聚合硅酸铁铝中的一种或两种，激发剂包括硅酸锂，内养护剂包括沸石粉。本发明的促凝剂、激发剂和内养护剂相配合，具有缩短凝结时间、提高早期混凝土强度的作用，同时养护简单，无需高湿环境，凝结时间只需要4h，3d的强度达到20Mpa，28d强度达到45Mpa以上。
Industrial gypsum-based premixed mortar and preparation method thereof
一种工业石膏基预拌砂浆及制备方法
LING GANG (author) / HU LIANG (author) / LU YONGXIN (author) / GONG JIWU (author)
2023-08-04
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME