SOIL/BEDROCK CHARACTERISATION AND ENGINEERING PARAMETERS CALCULATIONS FOR THE KANTO REGION, CENTRAL JAPAN | ||
| Journal of Egyptian Geophysical Society | ||
| Volume 8, Issue 1, 2010, Pages 103-116 PDF (4.23 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/jegs.2010.380915 | ||
| Authors | ||
| M.M.F. Shokry1; N. Hirata2 | ||
| 11- Department of Geophysics, Faculty of Science, Ain Shams University, Cairo, Egypt, 11566 | ||
| 22- Earthquake Prediction Research Centre, Earthquake Research Institute, Tokyo University, Japan | ||
| Abstract | ||
| Data from K-NET and KiK-net were used to evaluate regional site effects in the Kanto region. The present study delineates some of the shallow soil/bedrock engineering characteristics for construction purposes. A number of engineering parameters, such as Concentration Index Ci, Material Index γ, Density Gradient Di and Stress Ratio Si, were estimated using K- and KiK-NETS data together with shallow/deep borehole recordings obtained from the pre-Tertiary basement. Estimated parameters, which include seismic velocity values, engineering, consolidation and strength parameters showed that, these parameters are strongly correlated with the structure of the sedimentary layer-bedrock system in the Kanto region. The present study also delineates the usefulness of the K-NET and KiK-net data, which are now available on the internet site (www.k-net.bosai.go.jp/). | ||
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