List of products by author: A. Nazem

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  Experimental evaluation of soil-foam mixing under pressure

  Abstract: EPB TBM tunneling often relies upon the assumption of homogeneous conditioned soil in the tool gap of the cutterhead. Such a conditioned soil zone ensures that impermeability is maintained, that torque is lowered, and that the pressure from excavation chamber equilibrates in the tool gap, minimizing force on the cutterhead. Foam injection at the cutterhead occurs through a discrete number of...

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