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7号墩位于某河古槽中心,基岩在地面下58米,是全桥最深的一个沉井基础。沉井要穿过约30米卵石层和30米沙层,放置在基岩上。下沉时有很大的正面阻力和侧面摩擦力。为了赢得时间,突破难关,大桥指挥所发动群众,首先从设计上作了改革;在施工中大打人民战争,大搞技术革新。广大会战战士怀着无限忠于伟大领袖毛主席的红心,英勇奋战,克服了一个个困难,终于以四个月另十天的时间完成了沉井下沉任务。
Pier 7 is located in the ancient groove of a river center bedrock under the ground 58 meters, is the deepest of the entire bridge a caisson foundation. Sunk Well to go through about 30 meters of pebble and 30 meters of sand, placed on the bedrock. Sinking has a lot of positive resistance and side friction. In order to win the time and break through the difficulties, the bridge command post mobilized the masses. At first, the reform was made from the design. During the construction, the people’s war was fought out and technological innovation was promoted. The vast majority of the battle warriors, having infinitely devoted themselves to the great hearts of the great leaders Chairman Mao, bravely worked hard and overcame their difficulties one after another and finally completed the task of sinking the Shenjing wells in another four months and ten days.