4DAVIS A G EVANS J G HERTLEIN B H.Nondestructive evaluation of concrete radioactive waste tanks[J].Journal of Performance of Constructed Facilities,1997,11(11):161-167.
5OLSON L D,LIU M,AOUAD M E Borehole NDT techniques for unknown subsurface bridge foundation testing[J].Proceedings of International Society for Optical Engineering,1996,(10):10-16.