山西沁水管道某滑坡变形特征及预警分析

Analysis on Deformation Characteristics and Early Warning of Qinshui Pipeline Landslide in Shanxi Province

为实现滑坡变形特征分析及预警的准确评价,该文以沁水县晋侯三期JP11+100处管道滑坡为工程背景,基于滑坡变形监测数据,先通过统计方法分析滑坡变形特征,再通过累计变形判据、速率变形判据和加速度判据综合开展滑坡预警分级研究。实例分析表明:滑坡不同位置处的累计变形虽呈持续增加趋势,但变形特征参数存在一定差异,且4个监测点的预警等级亦不一致,其中,有1个监测点预警等级为Ⅱ级,其余均为Ⅲ级,得出滑坡综合预警等级为Ⅲ级,因此,该管道滑坡的治理必要性较强,建议尽快开展该滑坡的防治处理。

In order to realize the analysis of landslide deformation characteristics and the accurate evaluation of early warning,this paper takes the pipeline landslide at JP11+100m of Jinhou Phase Ⅲ in Qinshui county as the engineering background,and based on the landslide deformation monitoring data,the landslide deformation characteristics are analyzed by statistical methods,and then the landslide early warning classification research is comprehensively carried out by the cumulative deformation criterion,rate deformation criterion and acceleration criterion.The practical case analysis shows that although the cumulative deformation at different locations of the landslide continues to increase,there are some differences in the deformation characteristic parameters,and the warning levels of the four monitoring points are also inconsistent.Among them,one monitoring point has a warning level of Level Ⅲ,and the rest are Level Ⅲ,resulting in the comprehensive warning level of the landslide is Level Ⅲ.Therefore,it is highly necessary to control the landslide of the pipeline,and it is recommended to carry out the prevention and treatment of the landslide as soon as possible.