With practical engineering examples, this paper describes the application of GPR to engineering investigation of such harmful geological structures as karst, faults and fractures.

• 摘要结合贵州福泉下翁溪水库、芙蓉江沙阡电站、冗各电站3个工程实例，介绍探地雷达勘探在岩溶、断层破碎带等不良地质构造勘察方面的应用。