论文部分内容阅读
为了用可靠度方法进行拱坝安全分析,作者用所提出的弹塑性拱梁分载法进行了超越弹性范围的计算,并按照拱坝的两种破坏模式提出了拱坝的正常使用极限和承载能力极限状态方程。这样,就可用有关变量的统计参数对拱坝坝体结构进行正常使用和承载能力的可靠度分析。此项分析计算与仍在采用的拱坝坝体应力计算之间有一定的连续性,便于在工程界推广。用拱坝弹塑性计算与概率计算相结合的方法来进行综合分析,可以解出此复杂结构体系的系统可靠度。
In order to use the reliability method to analyze the safety of arch dams, the authors used the proposed elasto-plastic arch-girder load sharing method to calculate the over-elastic range, and put forward the normal service limit and load of the arch dam according to the two failure modes of the arch dam. Capability limit state equation. In this way, the statistical parameters of the relevant variables can be used for the reliability analysis of the normal use and bearing capacity of arch dam structures. There is a certain continuity between the calculation of this analysis and the calculation of the stress of the arch dam that is still being used, which is easy to promote in the engineering community. The comprehensive analysis of the arch dam’s elasto-plastic calculation and probability calculation method can solve the system reliability of this complex structure system.