Washington, D.C., Distretto di Columbia, Stati Uniti, USA
The Anacostia River Tunnel is the second in a series of four tunnels that will mitigate sewer overflows throughout the District of Columbia. The 7.9m in diameter tunnel will be approximately 3810m in length. 1 EPB Herrenknecht will carry out the excavation.
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Construction
Location
Washington, D.C., Distretto di Columbia, Stati Uniti, USA
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…