TY - Journal of Changjiang River Scientific Research Institute A1 - SHAO Zhu-shan, WANG Meng-hui T1 - Reasonable Offset of Asymmetric Tunnel with Small Clear Distance in Loess Area Y1 - JF - Journal of Changjiang River Scientific Research Institute JO - Journal of Changjiang River Scientific Research Institute SP - 80 EP - 87 VL - 39 IS - 10 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20210521 ER -