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Please use this identifier to cite or link to this item: http://hdl.handle.net/10112/5717

Title: Monitoring of ground condition into road decrepit slopes by seismic and electric prospecting
Authors: NAKAMURA, Makoto
KUSUMI, Harushige
YAMAMOTO, Tatsuru
YAMAMOTO, Tsuyoshi
Author's alias: 中村, 真
楠見, 晴重
山本, 龍
山本, 剛
Issue Date: 6-Sep-2010
Shimei: Proceeding of EIT-JSCE Symposium on Engineering for Geo-Hazards:Earthquakes and Landslides-for Surface and Subsurface Structures
Abstract: A large number of shotcrete slopes that were constructed in Japan during the 1970’s are now more than 30 years old, and there has been a significant degree of deterioration. Therefore, it is important to develop a method for monitoring the stability and the durability of these slopes. In this paper, we propose a technique that converts seismic velocity and electric resistivity data to porosity and saturation, which is then used to monitor weathering and groundwater fluctuation behind the slope. The evaluation results of this methodology confirm that the distribution of porosity and saturation of rock mass around the evaluated slope arrived at by this conversion system agree with those of the actual rock mass conditions evaluated using boring samples. In addition, it was possible to monitor the signs of seasonal variation and weathering in the ground by performing monitoring using this methodology over a period of multiple years.
type: Conference Paper
URI: http://hdl.handle.net/10112/5717
Text Version: publisher
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