TY - Journal of Yangtze River Scientific Research Institute A1 - ZHANG Jian-Qing, ZHOU Zheng-Quan, CAI Jia-Xing, MA Sheng-Min, MA Qi T1 - Technique of Additional Mass Method for Rockfill Density Measurement and Evaluation of Its Application Y1 - 2012-08-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 45 EP - 51 VL - 29 IS - 8 UR - http://ckyyb.crsri.cn N1 - 10.3969/j.issn.1001-5485.2012.08.009 ER -