In-situ Test on the Composite Foundation of Ram-compaction Gravel Pile with End Expansion
YE Chao-liang, LIU Yao-jun, FENG Huai-ping
JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI . 2016, (2): 62 -66 .  DOI: 10.11988/ckyyb.20140812