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List of products by author: T. Xu
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Excess pore water pressures in front of a tunnel face when drilling in a semiconfined aquifer
Abstract: When drilling with a TBM (Tunnel Boring Machine) in saturated sand, excess pore water pressures occur in the sand in front of the TBM. The magnitude of these excess pore water pressures depends on the permeability of the sand, the drilling velocity, the layering of the soil. These excess pore water pressures will decrease the stability of the tunnel face and influence the plastering of that...
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