气压平衡顶管法及其在油气管道穿越软土地段的应用

Application of Atmosphere Pressure Balance Pipe-jacking in Oil and Gas Pipeline Crossing in Soft Soil Section /

随着社会的日益进步和经济的快速发展,顶管穿越技术在油气管道穿越工程中的应用越来越广泛。然而,在实际应用过程中应根据不同地层情况,采用不同的顶管穿越方式。介绍了气压平衡顶管法的原理、特点及分类情况。并结合中山—广州天然气管道工程实例,总结了气压平衡法在油气管道穿越软土地段中的施工技术。

Along with the daily progress of the society and everlasting development of economy, the application of pipe-jacking crossing technology is applied more and more extensively in oil and gas pipeline crossing engineering.However, the different pipe-jacking crossing modes should be selected according to different formation situations in practical application. This paper introduces the principle, characteristics and classification of atmospheric pressure balance pipe-jacking, and summarizes this construction technology in oil and gas pipeline crossing engineering in soft soil section with the engineering example of Zhongshan-Guangzhou natural gas pipeline.