STRENGTHENING THE CASE FOR GROUTING

摘要: Grouting in tunnel excavation has been used to prevent major water inflows and reduce the amount of that must be pumped out system. Pre-grouting can improve quality rock mass for easier because it fills joints voids, strengthens parts mass, reduces flow. Recent developments grouting materials technology Norway are improving possibility improvements through grouting. (See also Part 2, Tunnels Tunnelling International, V 34, N 1, January 2001, TRIS 00824473.)