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  • 专利标题:   Ultra-high performance concrete prepared from modified volcanic ash rock powder, comprises e.g. modified volcanic ash rock powder, slag powder, silicon fume, metakaolin, quartz sand, polycarboxylic acid water reducer and graphene oxide.
  • 专利号:   CN112777975-A, CN112777975-B
  • 发明人:   MA Y, GAO M, ZHANG H, SUN Z, JI Y
  • 专利权人:   ULANHOT SHENGYI COMML CONCRETE CO LTD
  • 国际专利分类:   C04B014/14, C04B020/02, C04B024/12, C04B028/04
  • 专利详细信息:   CN112777975-A 11 May 2021 C04B-028/04 202148 Pages: 11 Chinese
  • 申请详细信息:   CN112777975-A CN11632235 31 Dec 2020
  • 优先权号:   CN11632235

▎ 摘　　要

NOVELTY - Ultra-high performance concrete prepared from modified volcanic ash rock powder, comprises 100 pts. wt. 52.5 grade silicate cement, 30-45 pts. wt. modified volcanic ash rock powder, 15-25 pts. wt. slag powder, 7-9 pts. wt. silica fume, 3-5 pts. wt. metakaolin, 160-180 pts. wt. quartz sand, 1.5-1.8 pts. wt. polycarboxylic acid water reducer, 0.2-0.4 pt. wt. magnesium silicate, 0.1-0.2 pt. wt. graphene oxide, 1.2-1.8 pts. wt. polycarboxylic acid modified nano-calcium silicate hydrate and 28-.32 pts. wt. water. USE - Used as ultra-high performance concrete prepared from modified volcanic ash rock powder. ADVANTAGE - The ultra-high performance concrete: has excellent fluidity, high strength, low preparation cost, and high comprehensive performance.