This paper focuses on the box girder crack reason analysis and discussion on how to handle girder crack.
本文主要对箱梁裂缝产生的原因进行分析、讨论，并就如何处理箱梁裂缝做了较为详细的阐述。
This paper for concrete bridge crack and the reason that produces are made than overall analysis summary, are controled with convenient design and construction.
本文对砼桥梁裂缝的种类和产生的原因作较全面的分析总结，以方便设计与施工控制。
The reason of arc crack on retarder gear surface was analyzed by means of chemical composition analysis, hardness testing, macrostructure and microstructure examination.
通过化学成分分析、硬度试验、宏观和微观检验等方法，对减速机齿轮齿面弧形裂纹的产生原因进行了分析。
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