ACI 506.5: Specifying Underground Shotcrete

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ACI PRC-506.5-22: Specifying Underground Shotcrete

Author(s)/Editor(s): ACI Committee 506 | Size: 10.16 MB| Format: PDF| Quality: Scanner| Year: 2022| pages: 61 | ISBN: 9781641951982

This document provides a guide for owners, contractors, designers, and testing, specifying, and inspection organizations engaged in the application of shotcrete for underground support. The guide provides general information for the selection of constituent materials, and methods to proportion shotcrete. Typical methods of batching, mixing, and handling of proportioned shotcrete materials are detailed along with shotcrete placement methods and equipment.

Keywords:

acceptance criteria; batching; inspection; methods of payment; mine(s); mixing; mixture proportioning; placement; quality assurance; quality control; safety; shotcrete; testing; tunneling.

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