Slope stability analysis by polar slice method in rotational failure mechanism

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• 作者：Chunshu Chen ; ^{ccsjxx@126.com" class="auth_mail" title="E-mail the corresponding author} ; Yuanyou Xia ^{xiayy1965@126.com" class="auth_mail" title="E-mail the corresponding author} ; Victor Mwango Bowa ^{mwangobowa@yahoo.com" class="auth_mail" title="E-mail the corresponding author}
• 关键词：Slope stability ; Energy dissipation ; Rotational failure mechanism ; Vertical slice method ; Polar slice method
• 刊名：Computers and Geotechnics
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：81
• 期：Complete
• 页码：188-194
• 全文大小：755 K

文摘

In this paper, a polar slice method is proposed to quantify the energy dissipation in the inner sliding soil mass and evaluate the slope stability in rotational failure mechanism. The polar slice method is compared with the vertical slice method. Despite similar results, the advantages of the polar slice method are explained. Besides, the comparison between the polar slice method and Chen’s method shows that the polar slice method would lead to more accurate results than Chen’s method, while Chen’s method which neglects the energy dissipation in the inner sliding soil mass is relatively conservative.