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以西部典型土石混合料路堑开挖边坡为工程背景，针对特定开挖路堑边坡工点，设计开展大型三轴试验获得开挖工点边坡土体参数，比较分析不同本构模型对开挖边坡变形量及稳定性的影响，采用能够反映开挖施工过程及适用于土石混合料的修正双屈服面本构模型，研究边坡几何及物理因素对变形量的影响。
基于修正椭圆抛物双屈服面模型的土石混合料开挖边坡归一化变形量失稳判据
【摘 要】
：
以西部典型土石混合料路堑开挖边坡为工程背景，针对特定开挖路堑边坡工点，设计开展大型三轴试验获得开挖工点边坡土体参数，比较分析不同本构模型对开挖边坡变形量及稳定性的影响，采用能够反映开挖施工过程及适用于土石混合料的修正双屈服面本构模型，研究边坡几何及物理因素对变形量的影响。
【机 构】
：
岩土力学与堤坝工程教育部重点实验室,江苏南京 210098;江苏省岩土工程技术工程研究中心,河海大学,江苏南京 210098
【出 处】
：
中国计算力学大会2018暨国际华人计算力学大会2018
【发表日期】
：
2018年10期
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