The Causticity of Accelerator for Shotcrete and its Impairment on Strength of Shotcrete

by Bangzhao Luo, Changsha Inst of Mining Research, Hunan, China,

Document Type: Proceeding Paper

Part of: Shotcrete for Underground Support VI


How on earth is the toxic and caustic injury of accelerator for shotcrete to operators and animals? How about its impairment on strength of shotcrete? The paper gives some reports and results on medical laboratory and practical test on above problems, and calls attention to protecting the operators and environment and developing new accelerator, few injury to operator, few impairment on strength of shotcrete. Also, the paper gives brief introduction to '782' accelerator and 's' special cement for shotcrete developed by the author.

Subject Headings: Shotcrete | Strength of materials | Laboratory tests | Material tests | Toxicity | Cement | Concrete admixtures | Occupational safety

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