AUA Guidelines for Backfilling and Contact Grouting of Tunnels and Shafts

These guidelines focus on the grouting performed to fill the voids between the excavated surface and the tunnel and shaft linings. This comprehensive new book will help those in the underground construction industry to increase their understanding of grouting terms and methods. It will also help improve the quality of contract documents, relating to both backfill and contact grouting and the in-place grout, and reduce costs and schedule time. In addition, following these guidelines will help ensure that engineers in the industry avoid practices that could lead to potential claims.