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《Chinese Journal of Geophysics》 1993-01
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STUDY OF TOMOGRAPHIC TECHNIQUE USED IN UNDERGROUND POWERHOUSE AREA OF XIAOLANGDI PROJECT ON THE YELLOW RIVER

YANG GUO-XIAN ZHANG KE-NI LI PI-WU(The Design Institute of YRCC, Zhengzhou 450003)  
This paper presents the application of the seismic tomographic technique through deep and large spacing holes in a sandstone area. It proves highly effective and practiced in respects of data acquisition, equipment and data processing. The findings of the work, according to geologists, analyses, aro of high reliabi ity; firstly, it is basically identical with the statistical values of the acoustic wave data, microscismic and borehole acoustic velocity data; secondly, the CT velocity stratification coincides with the positions of the boring logs.
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