浆砌石框格填碴坝受力特性分析

The Forces Characteristics Analysis of the Masonry Cavity Dregsfill Dam

浆砌石框格填碴坝结构复杂,是较薄构件的高次超静定体,采用材料力学法分析坝体结构的应力和变形,其结果有明显的失真。本文采用三维有限元法对浆砌石框格填碴病坝加固前、后的受力状态进行分析,探索坝体产生裂缝渗漏、局部应力超标、坝体不稳定的原因;针对坝体结构存在的问题,寻求经济合理的加固方案,探索框格式浆砌石重力坝的设计理论。

During analyzing the stresses and strains of the masonry cavity dregsfill dam, it is such complex structures that the results would be led to obvious errors by the material mechanic method. The 3-D finite elements method is applied to calculate the stress state on its pre-reinforcement and post-reinforcement in this article. The factors led to fracture, seepage, local over-standard stress and unsteady dam body will be considered. On the account of those problem, the more economical reinforcement measures are made, and the design theory of the masonry cavity dregsfill dam is explored.