TY - Journal of Yangtze River Scientific Research Institute A1 - PENG Hui-qiong T1 - A Precise Calculation Method for Earthwork Volume Based on BIM Techniques Y1 - 2021-07-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 109 EP - 114 VL - 38 IS - 7 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20210288 ER -