高分辨率浅震反射波法在鞍山城区岩溶勘查中的应用

APPLICATION OF SHALLOW SEISMIC REFLECT WAVE TECHNIQUE TO DETECTION OF KARST IN ANSHAN CITY, LIAONING

鞍山市地处岩溶高发地区,岩溶塌陷已给人们的生命财产安全造成了巨大危害,文章论述了高分辨率反射波法的工作原理,分析了影响地震记录分辨率的主要因素,介绍了高分辨率地震记录的采集和处理技术方法。通过实例总结了不同类型的岩溶在高分辨率反射波法成果所表现的异常特征,证明了该法在鞍山城区岩溶勘查中的可行性与有效牲。

Karst occurs in Anshan City of Liaoning Province with collapse caused great damage to the citi-zen's life and property. It is very significant to make a thorough investigation of the laws of Karst collapse for the projects and constructions of Anshan City. On the basis of our achievements of high resolution reflection seismic survey carried out in the urban districts of Anshan, this paper discusses the operation prin-ciples of this kind of survey, analyses the main factors of affecting seismic records and recommends the methods of seismic record collecting and processing. Furthermore, the authors sum up the anomaly charac-teristics of different types of Karsts, which proves the feasibility and the validity of high resolution reflection seismic survey in the area of Anshan.