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  • 专利标题:   Grouting material useful for tunnel secondary lining, comprises cement, fly ash, quartz sand, silicon dioxide gas gel, graphene, dispersant, plastic expanding agent, expansion agent, antifoaming agent and low viscosity cellulose.
  • 专利号:   CN116217157-A
  • 发明人:   HAN D
  • 专利权人:   CHENGDU TUORUIXIN BUILDING MATERIALS CO LTD
  • 国际专利分类:   C04B111/70, C04B028/04, E21D011/10
  • 专利详细信息:   CN116217157-A 06 Jun 2023 C04B-028/04 202356 Chinese
  • 申请详细信息:   CN116217157-A CN11711293 29 Dec 2022
  • 优先权号:   CN11711293

▎ 摘　　要

NOVELTY - Grouting material comprises 40-60 pts. wt. cement, 2-8 pts. wt. fly ash, 40-60 pts. wt. quartz sand, 0.5-1.5 pts. wt. silicon dioxide gas gel, 0.01-5 pts. wt. graphene, 0.01-0.15 pts. wt. dispersant, 0.01-0.05 pts. wt. plastic expanding agent, 0.01-0.15 pts. wt. expansion agent, 0.01-0.1 pts. wt. antifoaming agent and 0.01-0.1 pts. wt. low viscosity cellulose. USE - The grouting material is useful for tunnel secondary lining. ADVANTAGE - The grouting material reduces hydration heat of the tunnel grouting layer. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: Preparation method of grouting material for tunnel secondary lining. Method for reducing hydration heat of tunnel grouting layer.