千斤顶顶力对施工阶段管片的位移、应力有明显的影响，千斤顶顶力作用是管片在施工状态下最不利的工况。
The jacking force has apparent effects on displacement and stress distribution of segments, and it is the most adverse load case during construction stage.
对海口市和平桥改造前，选择有代表性的部位进行动静载试验，检测了桥梁最不利截面的变形和受力状态。
The on-site static and dynamic experiment and theoretical analysis of the bridge should be integrated with eac.
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