上海国土资源2023，Vol.44Issue(4)：26-31,6.DOI:10.3969/j.issn.2095-1329.2023.04.006
西安地裂缝活动特征的自动监测及其影响因素分析
Automatic monitoring of ground fracture activity characteristics and analysis of influencing factors in Xi'an
摘要
Abstract
Xi'an is one of the regions that geologic hazards of ground fissures are concentrated in China.Three-dimensional automatic long-term monitoring of the eastern section of f7 ground fissure is carried out by using MD Series fault activity measuring instrument.Some significant monitoring results are obtained.Both characteristics of average activity over the years and cumulative activity of the ground fracture since 2002 indicate that the horizontal tensile deformation of the ground fracture is the largest,the horizontal torsion deformation is the second and the vertical deformation is the least.The hanging wall of ground fissure descends relatively in the vertical direction.Horizontal direction has obvious characteristics of horizontal extrusion and horizontal dextrorotation.Annual average activity over the years shows a decreasing trend and the 3D deformations of ground fissure tend to stop.The activity of ground fissures has annual periodicity,which is related to rainfall and other factors.In general,the ground fissure activity can be divided into six stages of different activity feature.Groundwater level and rainfall mainly affects vertical deformation.The fault activity measuring instrument can realize the real-time and accuracy of ground fracture monitoring which has popularization and application significance to the monitoring and prevention of ground fissure.关键词
地裂缝/活动特征/影响因素/断层活动测量仪Key words
ground fissure/three-dimensional activity feature/influencing factor/activity measuring instrument分类
天文与地球科学引用本文复制引用
强菲,张红强,李勇,卢全中,陶虹,袁喜东..西安地裂缝活动特征的自动监测及其影响因素分析[J].上海国土资源,2023,44(4):26-31,6.基金项目
陕西省自然资源生态修复保护专项资金项目特大城市(西安)缓变型地质灾害预警研究 （西安）
