The contract 916 covered the design and construction of station at Beauty World and tunnels for the Downtown Line Stage 2. technical info: TBM type: 1 slurry (Herrenknecht); tunnel length:2x 1500 m For the segment concrete protection the product MAPECOAT W SP was used, proving to be resistant to the abrasion caused by the passage of the TBM tail brushes.
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…