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  • 专利标题:   Ultra-high toughness alkali excitation spraying concrete useful in slope, mine, tunnel, and underground engineering, comprises e.g. zeolite powder, sodium hydroxide solution, sodium silicate, nickel slag sand, thickening agent, modified polyacrylonitrile fiber, naphthalene water reducer, and water.
  • 专利号:   CN114477871-A, CN114477871-B
  • 发明人:   YANG D, ZHANG Y, CHEN B
  • 专利权人:   SHENZHEN SHENJIAN CONCRETE CO LTD
  • 国际专利分类:   C04B111/20, C04B111/27, C04B014/04, C04B016/06, C04B018/14, C04B022/06, C04B022/08, C04B028/00, D01F001/10, D01F006/54
  • 专利详细信息:   CN114477871-A 13 May 2022 C04B-028/00 202282 Chinese
  • 申请详细信息:   CN114477871-A CN10118922 08 Feb 2022
  • 优先权号:   CN10118922

▎ 摘　　要

NOVELTY - Ultra-high toughness alkali excitation spraying concrete comprises 400-600 pts. wt. cement, 100-200 pts. wt. slag, 90-180 pts. wt. zeolite powder, 20-60 pts. wt. sodium hydroxide solution, 25-45 pts. wt. sodium silicate, 300-600 pts. wt. nickel slag sand, 3-6 pts. wt. thickening agent, 10-50 pts. wt. modified polyacrylonitrile fiber, 30-80 pts. wt. steel fiber, 5-12 pts. wt. naphthalene water reducer, and 250-350 pts. wt. water. USE - The alkali excitation spraying concrete is useful in slope, mine, tunnel, and underground engineering. ADVANTAGE - The alkali excitation spraying concrete has a lower rebound rate, high compression strength, compactness and crack resistance. The method optimizes and improves the performance of the injection concrete; and has simple operation. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparation of high-strength concrete.