【摘要】 文章首先对向斜核部边坡开挖导致的岩体应力场的变化进行了分析，采用弹性力学中的曲梁模型求解坡脚处应力分布，结果表明，向斜核部的地层弯曲导致开挖后坡脚附近有较大的应力集中区域。通过离散元数值模拟结果与解析法吻合，向斜核部地层弯曲导致的应力集中效应加剧了边坡的失稳破坏。研究成果可为今后类似工程提供参考。更多还原

【Abstract】 Firstly, the paper analyzes the changes in the stress field of rock mass caused by the excavation of the slope in the kernel part of the syncline. Using the curved beam model in elastic mechanics to solve the stress distribution at the slope toe, the results show that the curvature of the stratum in the kernel part of the syncline leads to a large stress concentration area near the slope toe after excavation. The numerical simulation results by discrete element method are consistent with the analytical method. The stress concentration effect caused by the bending of the stratum in the kernel part of the syncline aggravates the instability and failure of the slope. The research results can provide reference for similar projects in the future.更多还原