TY - Journal of Changjiang River Scientific Research Institute A1 - MA Li-gang, QIAO Jin-li, SUN Yong-tao, ZHU Xiang-rui, ZHANG Wen-bin, XUE Gui-xiang T1 - Mix Proportion Design and Properties Analysis of Micro-expansion Grouting Material for Secondary Lining of Tunnel Y1 - 2023-07-01 JF - Journal of Changjiang River Scientific Research Institute JO - Journal of Changjiang River Scientific Research Institute SP - 158 EP - 166 VL - 40 IS - 7 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20221070 ER -