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Three-dimensional analysis method for stability of toppled rock slope
The invention belongs to the field of rock slope stability analysis, and particularly relates to a three-dimensional analysis method for the stability of a toppled rock slope, which comprises the following steps: defining a toppled body, performing block division on the toppled body, and establishing a block system which comprises at least one block; establishing a force balance equation and a moment balance equation of the block body; constructing a standard optimization model by taking the force balance equation and the moment balance equation of the block body as constraint conditions, andcalculating the slope stability safety coefficient of the toppling body through the standard optimization model. On the basis of a force and moment balance equation, a boundary meeting a yield condition inequality equation is taken as a constraint condition, and the maximum value of a slope stability safety coefficient is taken as a target function, so that three-dimensional analysis of the stability of the toppled rock slope is converted into optimization solution, errors are reduced, and the mechanical characteristics and the stability characteristics of the three-dimensional analysis of thestability of the toppled rock slope can be better reflected.
本发明属于岩质边坡稳定性分析领域，尤其涉及一种倾倒岩质边坡稳定性的三维分析方法，包括定义倾倒体，并对所述倾倒体进行块体划分，建立块体系统，所述块体系统包括至少一个块体；建立所述块体的力平衡方程和力矩平衡方程；以所述块体的力平衡方程和力矩平衡方程为约束条件构建标准优化模型，并通过所述标准优化模型计算所述倾倒体的边坡稳定安全系数。本发明以力和力矩平衡等式方程为基础，以边界满足屈服条件不等式方程为约束条件，以边坡稳定安全系数最大值为目标函数，从而将倾倒岩质边坡稳定性三维分析转化为优化求解问题，减少误差，有利于更好的反映倾倒岩质边坡稳定性三维分析的力学特征和稳定特性。
Three-dimensional analysis method for stability of toppled rock slope
The invention belongs to the field of rock slope stability analysis, and particularly relates to a three-dimensional analysis method for the stability of a toppled rock slope, which comprises the following steps: defining a toppled body, performing block division on the toppled body, and establishing a block system which comprises at least one block; establishing a force balance equation and a moment balance equation of the block body; constructing a standard optimization model by taking the force balance equation and the moment balance equation of the block body as constraint conditions, andcalculating the slope stability safety coefficient of the toppling body through the standard optimization model. On the basis of a force and moment balance equation, a boundary meeting a yield condition inequality equation is taken as a constraint condition, and the maximum value of a slope stability safety coefficient is taken as a target function, so that three-dimensional analysis of the stability of the toppled rock slope is converted into optimization solution, errors are reduced, and the mechanical characteristics and the stability characteristics of the three-dimensional analysis of thestability of the toppled rock slope can be better reflected.
本发明属于岩质边坡稳定性分析领域，尤其涉及一种倾倒岩质边坡稳定性的三维分析方法，包括定义倾倒体，并对所述倾倒体进行块体划分，建立块体系统，所述块体系统包括至少一个块体；建立所述块体的力平衡方程和力矩平衡方程；以所述块体的力平衡方程和力矩平衡方程为约束条件构建标准优化模型，并通过所述标准优化模型计算所述倾倒体的边坡稳定安全系数。本发明以力和力矩平衡等式方程为基础，以边界满足屈服条件不等式方程为约束条件，以边坡稳定安全系数最大值为目标函数，从而将倾倒岩质边坡稳定性三维分析转化为优化求解问题，减少误差，有利于更好的反映倾倒岩质边坡稳定性三维分析的力学特征和稳定特性。
Three-dimensional analysis method for stability of toppled rock slope
一种倾倒岩质边坡稳定性的三维分析方法
WANG XIAOGANG (author) / LIN XINGCHAO (author) / SUN PING (author) / LING YONGYU (author) / WANG YUJIE (author) / ZHAO YUFEI (author) / ZHANG QIANG (author) / SUN XINGSONG (author) / PI JIN (author) / NIE YONG (author)
2021-01-15
Patent
Electronic Resource
Chinese
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