List of products by author: Tatsumi Y.

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  Field measurement of 3D effect of forepoling during conventional tunneling

  Abstract: Forepoling—the use of a pipe umbrella—during conventional tunneling is widely used in poor ground conditions to stabilize the tunnel face. Recently, numerical analysis has been more widely used in the design of forepoling. In 2D numerical, it is often said that tunnel displacement or stress generated in tunnel supports may be reduced with forepoling. However, such effects have been fully...

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