Fundamental study for slope failure of volcanic soil ground by DDA
This paper focuses on how to simulate the slope failure of volcanic soil ground with DDA. DDA simulations of model tests for slope failure of volcanic soil ground are performed to examine the effect of element mesh type and mput parameters on the slope stability. Moreover, the validity of DDA simulations for simulating input parameters is examined by comparing numerical results with experimental results. As the results, it is revealed that slip surface can be roughly identified by displacement vectors of each DDA block, and that DDA simulation is similar in the shape and location of slope failure surface to the model test. However, there is a remarkable difference in volume change of volcanic soil ground before and after slope failure. These results indicate that DDA is an effective method to simulate a slope failure of volcanic soil ground, though there is room for further investigation on the modeling method.
Slope failure Volcanic coarse-grained soil Numerical modeling DDA
T.ISHIKAWA S.KAWAMURA S.MIURA Y.OHNISHI
Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, Hokkaido, 060-8628, JAPAN Muroran Institute of Technology, Muroran, Hokkaido, JAPAN Kyoto University, Katsura, Kyoto, JAPAN
国际会议
北京
英文
61-66
2007-08-14（万方平台首次上网日期，不代表论文的发表时间）