Pavement deflection and seismic refraction for determining bedrock type, depth, and physical properties beneath roads /
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0200007701 20020826151157.0 s txua fr |00||||eng (pbk.) NGL a631 ; a478 Paine, Jeffrey G. 测定公路下方基岩类型、深度和物理特性的路面折射与地震反射. chi Pavement deflection and seismic refraction for determining bedrock type, depth, and physical properties beneath roads / by Jeffrey G. Paine and Michael R. Murphy. Austin : Bureau of Economic Geology, The University of Texas at Austin, 2000. v, 53 p. : ill. ; 28 cm. Report of investigations / University of Texas. Bureau of Economic Geology (Austin) ; no.259 Seismic refraction Bedrock ; Rock properties ; Falling-weight deflectometer ; Geologic mapping ; Pavement deflection. aMurphy, Michael R. NGL EB00063159 P 406.6 R29 v259 ahm b1 e2002h7