长江穿越工程施工组织与管理
Construction Organization and Management on Horizontal Directional Drilling Engineering for West-to-East Gas Pipeline Project in Yangtze River
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摘要: 管道长江穿越工程的共同特点是穿越距离长, 管道埋深大, 穿越地层多为粉土、粉细砂等软土层(个别地段夹有卵石层)。介绍了长江穿越地区工程地质条件、穿越主要技术参数、施工前期的准备、施工过程的组织和管理, 穿越工程遇到的困难及决策, 为今后同类工程提供了有益的借鉴。Abstract: This article summarizes 5 pipelines' crossing engineering with Horizontal Directional Drilling methodin Yangtze River for West-to-East Gas Pipeline Project, especially the crossing engineering in Sanjiangkou section of Nanjing.The engineering geology, technological parameters, preparation of preliminary engineering, organization and management of pipeline crossing process are described.