摘要
海底滑坡是海洋工程面临的主要地质灾害之一,其对海洋油气开发可能产生巨大影响。滩浅海中波浪产生的海床波压力是边坡失稳的关键因素,而在某些实际工程计算中却常常忽略该因素对边坡稳定性的影响。通过对传统边坡稳定性方法适应性分析及对比,提出了考虑波浪影响的边坡稳定性分析方法,并分析坡角等因素对稳定性的影响,对海底管道管沟开挖、港区疏浚等工程的边坡稳定性具有重要指导意义。
As one of the main geologic hazards in marine?engineering,the submarine landslide has a great influence on offshore oil and gas development.The wave-induced stress is often ignored in the engineering calculation although it is the key to submarine landslides.In this paper,the slope stability analysis method considering the effect of the wave is proposed by the adaptability analysis and comparison of traditional methods.It examines the effect of such factors as slope angle,providing significant guidance for the slope stability analysis during the subsea pipe trench excavation and port dredging.
作者
靳嵩
JIN Song(Foreign Cooperation Project Department of PetroChina Dagang Oilfield Company,Tianjin 300451)
出处
《石油工程建设》
2022年第1期19-22,31,共5页
Petroleum Engineering Construction
关键词
海底边坡稳定性
有限元方法
海底波压力
submarine slope stability
finite element method
wave-induced stress
