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浅层地震反射工程地质调查,要求探测的目的层浅、精度高以及要解决的地质问题几何尺寸小,且往往是在干扰背景较大的地区开展工作。因此,浅层地震反射调查的主要问题在于提高地震记录的信噪比和分辨率。本文介绍了一个用浅层地震反射技术解决工程地质问题的实例。实践表明:在干扰背景较强的情况下,采用合适的方法技术,解决工程地质调查中的一些问题是可行的。
The shallow seismic reflection engineering geological survey requires that the purpose of the exploration is shallow, the precision is high, and the geometry of the geological problem to be solved is small, and often the work is carried out in areas with large interference background. Therefore, the main problem of shallow seismic reflection survey is to improve the signal-to-noise ratio and resolution of seismic records. This article presents an example of using shallow seismic reflection techniques to solve engineering geological problems. Practice shows that it is feasible to solve some problems in engineering geological survey by adopting suitable method and technology under the condition of strong interference background.