浅谈油气长输管道冻土管沟开挖技术措施  

A Discussion on the Excavation Techniques for Frozen Soil Trenching in Oil and Gas Long-Distance Pipeline Construction

作　　者：李洪亮 

机构地区：[1]西藏青藏石油管道有限公司,西藏 拉萨

出　　处：《石油天然气学报》2023年第3期223-229,共7页Journal of Oil and Gas Technology

摘　　要：随着我国经济的快速发展,国内石油、天然气需求量的逐步增大,高寒冻土地区长输管道施工不可避免。但是高寒冻土地区管沟开挖始终是管道施工的难题,首先是爆破施工手续办理困难,其次一般液压镐对冻土开挖效率也较低。本文对普通冻土开挖方式进行了分析,论证了矿山高频破碎锤进行管沟冻土破碎开挖的可行性,该施工工艺解决了冻土开挖困难,施工周期长,并行在役管道安全风险大等难题,有效缩短了施工周期,降低施工成本,具有较大的推广价值。With the rapid development of China’s economy, the domestic demand for oil and natural gas is gradually increasing, and the construction of long-distance pipelines in cold and frozen soil areas is inevitable. However, the excavation of pipeline trenches in cold and frozen soil areas has always been a problem in pipeline construction. The first is the difficulty in handling blasting construction procedures, and secondly, the efficiency of ordinary hydraulic picks for frozen soil excavation is also low. This paper analyzes the common methods of frozen soil excavation and demonstrates the feasi-bility of using vibro ripper to break and excavate frozen soil in pipeline trenches. This construction technology solves the difficulties of frozen soil excavation, long construction period, and high safety risks of pipelines in service. It effectively shortens the construction period and reduces construction costs, and has significant promotional value.

关 键 词：长输管道 冻土管沟开挖 高频破碎锤 降低成本 

分 类 号：TU7[建筑科学—建筑技术科学]