Research on Stress Monitoring and Early Warning Methods for Pipelines under Land-slides Based on the Internet of Things
China has a vast territory and complex geological environment.In the process of long-dis-tance pipeline laying,it is inevitable to cross the area with frequent geological disasters,such as land-slides which seriously threaten the safe transmission of oil and gas resources.Buried pipelines are prone to large displacement deformation under the push-pull action of landslides,resulting in plastic deformation and failure of pipelines,and even accidents such as leakage and explosion.Based on the research back-ground of typical landslide geological disasters,this paper studies the influence laws of geological disas-ters on pipeline damage and failure,divides the pipeline in the landslide area into different sections based on the internal and external sections of the landslide,and completes the overall strain mechanics analysis through iterative calculation,then assesses the risk of landslide displacement at different scales that may occur in pipelines based on the ultimate strain.The monitoring technology and related hard-ware equipment for pipeline stress and strain,surrounding earth pressure,and formation deformation under geological disasters based on the Internet of Things are developed.The safety monitoring software system for pipeline body under geological disasters is established,and the functions of automatic collec-tion,uploading,data analysis,and alarm of on-site monitoring data are realized.The developed hard-ware equipment and software system have been applied in a certain oil transmission pipeline,and the online real-time analysis,evaluation,and early warning of the safety of the pipeline body in the land-slide-prone area have been realized.
pipeline body safetyInternet of Things monitoring systemstress and strain monitoring technologylandslide
NETL
NSTL
万方数据
