对钢筋混凝土结构构件受力裂缝的成因进行分析，并对工程实例加以计算分析，提出相应的防治措施和加固处理方法。

The cause of stressed cracks in concrete construction is discussed, and some practical structure project is analyzed with some relevant strengthening methods introduced.

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根据乌鞘岭隧道岭脊地段地质状况和二次衬砌实际受力特点，采用拟地基曲梁计算法来分析二次衬砌的裂缝宽度与间距。

This paper discussed the calculation analysis of the secondary lining crack width and spacing by using simulating soil curved beam's stress.

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分析了混凝土结构的受力钢筋腐蚀机理，阐述了钢筋混凝土结构的裂缝控制理论，以及减小钢筋混凝土结构裂缝宽度的措施。

This paper analyses the mechanism of corrosion of steel bars, interprets the theory of concrete structure crack control and poses measures of narrowing the cracks.

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