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List of products by author: H. Kojima
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Characteristics and Comparison of Various Seismic Sources for Tunnel Seismic Prediction Method
Abstract: Exploration ahead of tunnel face is vital to mitigate the unknown risk during tunnel excavation. In tunnel site where the usage of explosive is prohibited or limited, other methods are considered as seismic source for tunnel seismic prediction (TSP). The applicability of non-explosive and hammer as seismic source was analyzed by comparing explosive, non-explosive and hammer prediction result at...
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Risk management: tunneling through major active fault zone by seismic prospecting method
Abstract: Tunneling through active fault zone is a high risk job and could have a big impact on the construction program. Hence it is essential to grasp the condition of the ground ahead of tunnel face beforehand so that early countermeasure can be planned and implemented. This paper includes a construction of 1.8km length of road tunnel called Shioteyama tunnel and will pass by a major active fault zone...
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