本文结合工程实际，在拱坝有限元应力分析方法与强度设计准则、多轴应力强度安全计算、拱坝极限荷载分析理论和方法等方面开展研究。
In this thesis, the FEM stress analysis and strength design criteria, multi-axes strength theory and computation, limit load analysis method of arch DAMS are concerned.
为了进一步提高螺栓连接设计计算的精确度，本文从强度设计准则、设计规范、基本计算公式等方面作了一些探讨，并着重对以屈服极限为门槛值的强度计算进行了可靠性分析。
In order to improve the accuracy and reliability of bolted joints in design, further investigation on the norm, criterion and basic calculation formulas in strength design are made in this paper.
本文通过分析FRP夹层结构水箱失效技术原因，阐明设计FRP容器不能仅按材料强度，而必须采用限定应变准则。
This paper analysises technical reason of sandwich FRP water tank failure. The design of FRP vessels can't only according to material strength, must adopt the criterion of limit strain.
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