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.
在相当多的情况下，允许拉应力对拱坝的厚度起了控制作用。
The thicknesses of arch dams are mainly controlled by the allowable tensile stresses in many cases.
表孔一般是高拱坝泄洪的主要通道，具有孔口数量多、结构尺寸大、受力状态复杂的特点。
Surface outlet is the main discharge channel of high arch dam. Usually many surface outlets of large size are constructed on a high arch dam; their stress conditions are quite complicated.
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