1 EPBM excavated the tunnel for a length of 800 m. Contract 921 for the design and construction of Rochor and Little India stations and associated tunnels. MAPECOAT W SP, used for the concrete segment protection proved to be resistant to the abrasion caused by the passage of the TBm tail brushes and confirmed to be leader in its sector.
Synthetic polymer in liquid form for water based fluids to be employedin mechanized tunnelling and drilling Where to use Mapedrill F1 has a stabilizing effect on mixed round and/or very altered…
Synthetic polymer in liquid form for water based fluids to be employedin…
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…