List of products by author: Y. Yahagi

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  Seismic Behavior of Shallow NATM Tunnels Excavated in Improved Ground

  Abstract: Up to now, cut and cover method has been widely used as the main tunnelling method for excavating a shallow over burden tunnel in unconsolidated ground. Recently, due to the development of the construction and measurement techniques, the construction of the shallow over burden tunnel in soft ground using New Austrian Tunnelling Method (NATM) have been increasing. For example, during the...

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