Contract 923A is for the construction of tunnels between Tampines East and Upper Changi Stations. Technical data: 1 EPBM diameter:6.5m; tunnel lenght:2x 2400 m
Liquid activator admixture used in extremely fluid backfill grouts systems, even with thigh water content, to be used in mechanized tunnelling with TBM
Liquid activator admixture used in extremely fluid backfill grouts systems,…
High performance liquid foaming agent, based on biodegradable anionic surfactants, in combination with a natural lubricating polymer, for ground conditioning in mechanized tunneling
High performance liquid foaming agent, based on biodegradable anionic…