京沪高铁淮河特大桥主桥水中基础施工技术

摘要

结合京沪高铁淮河特大桥主桥基础施工,介绍了在复杂地质及水文条件下,钻机选型、钻孔工艺及双壁钢套箱围堰的拼装、下沉、封底混凝土施工技术,供同类基础施工参考。%Combined with foundation construction of Huaihe Extra Large Bridge of Beijing-shanghai Railway,construction techniques as type selection of drilling machine,boring process and construction technology of assembly and sinking and base sealing concrete under complicated geological and hydrological situations are introduced for the reference of similar foundation construction.