Tunnel waterproofing techniques project: Developments to MID 1991 - Phase 3 (C-RR-CES-008)

This report should be read in conjunction with the previous report (TM CES 135) on phases 1 and 2 of the same project. This report describes the continuation and development of the Tunnel Waterproofing Project up to mid 1991. It contains details of further trials as recommended in the...