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闸墩强度计算应计算哪几种情况?闸墩底部应力应如何计算?

问答题
2021-12-25 03:27
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正确答案

验算闸墩强度时,应考虑以下两种情况:
1、运用情况:
闸门关闭,闸墩承受的荷载有最大水头时的水压力、闸墩的自重及其上部结构与设备自重,属设计情况,计入地震荷载后为校核情况。
2、检修情况:
一孔检修,相邻孔过水,多属校核情况。闸墩承受侧向水压力、闸墩自重及上部结构荷重,交通桥上车辆刹车的制动力等。
闸墩底部应力计算,可将闸墩视为固结在底板上的悬臂梁,按偏心受压公式计算。


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