Technique of Additional Mass Method for Rockfill Density Measurement and Evaluation of Its Application
ZHANG Jian-Qing, ZHOU Zheng-Quan, CAI Jia-Xing, MA Sheng-Min, MA Qi
JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI . 2012, (8): 45 -51 .  DOI: 10.3969/j.issn.1001-5485.2012.08.009