电磁波CT在岩溶勘察中的应用研究

Application and Research of Electromagnetic Wave CT in Karst Exploration

该文介绍了跨孔电磁波CT成像法,在二连至呼和浩特高速公路某大桥的岩溶勘察中的应用,从电磁波CT方法的采集技术、成像原理、反演方法等关键问题上进行分析并结合钻探资料,较为精确地判断出覆盖层厚度、岩溶洞穴的位置、深度及规模,为桥梁设计提供了可靠的依据。电磁波CT在岩溶勘查中能得到理想的效果,值得推广应用。

This paper introduces the cross-hole electromagnetic wave CT imaging which is used in karst exploration in a bridge in Erlian to Huhehaote expressway. Starting from the key problems, such as the acquisition technology, imaging principle, inversion method of electromagnetic wave CT method and so on, and combined with the drilling data, the thickness of the overburden, the location, depth and scale of the karst cave are judged accurately. It provides the reliable basis for the bridge design. In the karst exploration , electromagnetic CT can get optimum effect , it is worth to be popularized and applied.