List of products by author: R. M. A. Khanb

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  Tunnel Portal Construction using sequential excavation method: A Case Study

  Abstract: Portal excavation in soft rock is one of the most challenging tasks in the construction of underground facilities. Significant convergence, collapses and surface settlement are usually associated with portal construction. Alluvium is loose unconsolidated material and most often tunnels constructed through tend to destabilize. In this study, portal excavation design has been analyzed using the...

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