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南水北调中线郑州2段28#泵站井筒采用沉井法施工。沉井在坚韧的粘砂多层结构中徐徐下沉,刃脚部位采用钢质护板作用明显。文章介绍轻型沉井在下沉系数不足1.0的情况下,钢质刃脚下沉成功的施工技术和施工。
South Section of the Middle Route of South Water Diversion 28 # Pumping Station Wellbore Construction Method. Caisson in the tough sticky sand multi-storey structure slowly sinking, blade edge part of the obvious role of steel guard. The article introduces the light caisson in the case of sinking coefficient of less than 1.0, the successful construction of steel cutting edge technology and construction.