The result of numerical analysis illuminates that the stress of concrete bridge panel near interior supports is always compress stress during the construction. The prestressing of the bridge can avoid the cracks in concrete in the area with negative moment.

  • 不同施工阶段的分析表明,设计采用的预应力方法可以使内支座处混凝土桥面板保持压应力状态,有效防止负弯矩区混凝土的开裂。

  • 互联网摘选 2025-01-19 23:46:08

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