List of products by author: S. Pyakurel

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  Conventional Tunneling in Difficult Grounds

  Abstract: Conventional tunneling as defined by ITA’s Working Group 19 is being used more and more in difficult grounds. This occurs in rural settings for tunneling through shear and fault zones and in squeezing ground conditions where tunneling by TBMs would be risky, as well as in urban areas in soft ground, under low cover, and in overbuilt conditions or for the construction of subway station caverns,...

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