叙述了三维光弹应力分析在三峡工程排漂孔坝段中的应用。
An application of three dimensional photoelastic stress analysis in a dam with drains for floatage at the three Gorges Project is described.
在光弹应力分析中，利用分数级条纹可以提高分析精度，于是，产生分数级条纹的方法研究就变得非常重要。
In photoelastic stress analysis, the accuracy of analysis can be improved by using fractional isochromatic fringes, so it is very important to study the approach for producing fractional fringes.
结论：光弹应力分析法适用于双层结构全瓷冠应力分布的研究，可用于观测全瓷冠的应力分布趋势及其变化。
Conclusion: Photoelastic stress analysis method can be used in the study of the stress distribution in ceramic dental crown with bilayer structure.
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