STUDY ON TECHNIOUES OF REFLECTION WAVE FOR EXAMINING CEMENT MIXED-IN-PLACE PILES
Dong Ping1, Hu Dezhao1, Zhu Xiaofeng2, Cao Jian3
1.Department of Earth Sciences, Nanjing University, Nanjing, 210093; 2.Controlling Station of Engineering Quality in Jiangyin, 214400; 3. Research Institute of Geophysical Prospecting for Petroleum, Nanjing, 210014