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为了克服大型水闸人字闸门因巨大的门叶重量的重心和剪力中心不在同一位置,加上门叶开启时门前水位的壅高这两者引起的庞大扭矩,提出了预应力拉杆的研究和实践。
In order to overcome the huge torque due to the fact that the center of gravity of the large door leaf and the center of gravity of the large door leaf are not in the same position and the high water level of the door before the door leaf is opened, practice.