Title: The Application Qf Borehole Acoustic Logging Techniques In Engineering Geology
Abstract: Most site investigations for civil engineering developments use a large number of boreholes to obtain geological information and to collect samples for geotechnical measurements in the laboratory. However, samples taken from boreholes are often highly disturbed and even the most carefully taken sample is subjected to a relief in the overburden pressure as it is removed from the ground. There has, thus, been a growing interest in the use of boreholes for in-situ testing methods in order to optimize the amount of useful information that can be obtained from a borehole study. In this paper, the use of borehole geophysical logging technique in engineering geological applications is reviewed with special emphasis on acoustic methods. The study also includes the associated methods of surface to borehole and borehole to borehole measurements, which have an equally important role to play in the civil engineering field. The results of several case histories are presented and these demonstrate the practical application of borehole geophysical techniques. Of particular interest in the study is an examination of (a) the determination of the dynamic elastic moduli in a rock mass, (b) the variation in lithology with depth and associated changes in the engineering properties and (c) themore » continuity of strata between boreholes.« less
Publication Year: 1977
Publication Date: 1977-05-01
Language: en
Type: article
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Cited By Count: 2
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