综合物探方法在株洲湘江大桥勘察中的应用
李谭伟, 李振兴, 葛延明, 邬远明

The application of comprehensive geophysical prospecting method to the investigation of Xiangjiang bridge in Zhuzhou
LI Tan-Wei, LI Zhen-Xing, GE Yan-Ming, WU Yuan-Ming
表1 测区主要地下介质物性参数范围
Table 1 Range of physical property parameters of main underground media in survey area
介质 电阻率/(Ω·m) 纵波波速/(km·s-1)
<100 0.9~2.2
粗砂 10~103 0.5~2
卵石 3×102~6×103 1.4~2.5
砾岩 10~104 1.6~4.2
灰岩 102~104 3.4~6.1
岩溶水 <300 1.4~2.6