1) slope stability analysis by upper bound approach
斜条分法上限解
1.
A new method for slope probability analysis in soils and rocks is presented,based on slope stability analysis by upper bound approach.
基于边坡的斜条分法上限解,根据摄动法基本原理,推导出极限荷载的随机向量表达式;然后,利用函数连分式求出复杂函数的偏导;最后,通过最佳平方逼近法求解边坡的可靠度问题。
2) upper bound procedure
上限解法
1.
Based on fundamental theory of limit analysis of plasticity, the upper bound procedure is employed in limit analyzing the stability of soil slope reinforced by uniformly distributed geogrid.
根据塑性极限分析理论,考虑格栅的加筋效应,对土工格栅均布加筋土坡的稳定性进行了上限解法;由此, 确定了格栅加筋土坡临界高度的上限和稳定数,并与无加筋情况下边坡的计算结果进行了对比分析;通过变动参数,计算分析了格栅加筋土坡坡角、表面坡角、土的内摩擦角及格栅抗拉强度对加筋土坡临界稳定数的影响。
3) upper-bound limit analysis
极限分析上限解法
4) inclined slices technique
斜分条法
1.
According to the phenomena and virtual work rate equation in limit state,a different failure mode of inclined slices technique was established,and the computing formula of safety factor was also derived using the theory .
基于塑性极限分析上限定理,依据岩质边坡沿某一滑裂面滑动破坏时,在其内部产生沿陡倾角结构面(断层、节理和层面)的剪切破坏现象,建立了岩质边坡极限分析斜分条法破坏模式。
5) infinite slice method
无限条分法
1.
Making use of the fundamental principle of the Fellenius method of slices in the slope stability analysis,the author develops an analytic formula for the stability of the tunnel face with the infinite slice method under the 3D condition.
以西安地铁盾构施工为背景,研究了盾构施工时开挖面的稳定性,借鉴粘性土坡稳定分析方法中的费连纽斯条分法的基本原理,推导出了三维情况下无限条分法计算开挖面稳定性的解析公式,并通过算例,引用生物遗传进化法的思想,搜索出了最危险滑裂面,确定了保证开挖面稳定的盾构施工最小支护力。
补充资料：条分节解
1.谓逐条逐节进行分析。
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