【摘要】 以某水库坝址工程物探勘查为例,简述高密度电阻率法、地震映像法、瞬态瑞雷波法的工作原理和技术特点。根据坝址区地质、地球物理特征选择合适的方法和工作参数,阐述了用高密度电阻率法、地震映像法、瞬态瑞雷波法成功查明坝址区覆盖层厚度、基岩风化分带和断裂构造的位置和产状等工程地质情况,为水库大坝选址提供科学依据。表明综合物探方法在坝址勘查中的有效性和优越性。更多还原

【Abstract】 Taking the geophysical exploration project in a dam site as an example,the principle and technical features of high-density resistivity method,seismic image method and transient Rayleigh wave method are briefly introduced.According to the geological and geophysical characters of dam site areas,the appropriate geophysical methods and working parameters are selected.Then the high-density resistivity method,seismic image method and transient Rayleigh wave method,the weathering zone of bedrock and other geological conditions are described,which has provided scientific evidence for selecting dams.Above all,the effectiveness and advantages of the integrated geophysical method are indicated in the dam exploration.更多还原