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List of products by author: A. Nishikawa
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Seismic survey using excavation blasting under tunnel construction – TFT Survey at road tunnel construction in Japan
Abstract: TFT survey using “Tunnel Face Tester” is a measurement method to be able to record arrival time and wave form of seismic wave occurred by an excavation blasting without interruption of tunnel excavation work. TFT survey is able to evaluate geological condition around a tunnel face using direct waves. At the same time, this is able to predict geological change, for example fault or frac- ture...
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Showing 1 - 1 of 1 document