Search & filter
Search & filter
Abstract: Crossover tunnel in Metro Line-3 of Mumbai is a sequentially excavated (SEM) 103m long tunnel in volcanic breccia rock with 180m2 excavation area which accommodates 6.35m O.D. twin tube TBM tunnels. Due to schedule constraints during the construction, the JV had decided to complete the TBM tunnels prior to Crossover tunnel construction which requires demolishing of previously constructed...