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在进行拱坝应力分析时,必须先确定基础及坝体的弹性模量值E_F和E_C。一般应通过室内和野外测试等多种手段进行。当没有条件测试时,可参照类似工程选用。这就提出了一个所选用的弹性模量值对计算成果的影响问题。为了了解弹性模量值对拱坝应力分析的影响,西北口水库拱坝计算按基础和坝体的弹性模量不同组合情况进行了电算,现就主要计算成果作一简要分析。
In the arch dam stress analysis, we must first determine the foundation and dam elastic modulus values E_F and E_C. Generally through indoor and outdoor testing and other means. When there is no condition test, you can refer to similar projects selected. This raises the question of the effect of the selected modulus of elasticity on the calculation results. In order to understand the effect of elastic modulus on the stress analysis of arch dam, the calculation of arch dam of Xibeigukou reservoir has been carried out according to different combination of elastic modulus of foundation and dam body, and the main calculation results are briefly analyzed.