Title: 506.5R-09: Guide for Specifying Underground Shotcrete

Author(s): ACI Committee 506

Publication: Technical Documents

Volume:

Issue:

Appears on pages(s): 52

Keywords: acceptance criteria; batching; inspection; methods of payment; mine and tunnel support systems; mixing and placement equipment; mixture proportioning; preconstruction and construction testing; quality assurance; quality control; safety; shotcrete.

DOI:

Date: 8/1/2009

Abstract:
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.