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为查清某水库大坝坝基覆盖层厚度的变化规律,采用了高密度电法、浅层地震折射波法和瑞雷波法等三种物探技术,对其进行勘查,三种物探方法的定量解释结果基本一致;结合勘探成果验证,数据吻合,基本查清了覆盖层厚度的变化规律,证明了物探方法可以在该类勘察中发挥有效的作用。本次综合物探勘查取得了较好的应用效果,为工程设计提供了科学依据,也为综合物探方法在勘察中的应用提供了一个成功的实例,积累了一些应用经验。
In order to find out the variation law of cover thickness of dam foundation of a reservoir dam, three geophysical techniques, such as high-density electrical method, shallow seismic refraction wave method and Rayleigh wave method, were used to survey and quantify the three geophysical methods The results of the interpretation are basically the same. Combined with the verification of exploration results and the coincidence of the data, the change law of the thickness of the overburden is basically ascertained, which proves that the geophysical methods can play an effective role in this type of prospecting. This comprehensive geophysical prospecting has obtained good application effect, provided scientific basis for engineering design, and also provided a successful example for the application of geophysical prospecting method in prospecting and accumulated some application experiences.