@article{ZHAO Li-cai_67, author = {[ZHAO Li-cai]}, title = {Experimental Study on Creep Characteristics of Sandstone under Step Loading and Unloading}, publisher = {Journal of Yangtze River Scientific Research Institute}, year = {2021}, journal = {Journal of Yangtze River Scientific Research Institute}, volume = {38}, number = {2}, eid = {67}, pages = {67-72,79}, keywords = {sandstone;loading and unloading creep;viscoelastic plasticity;strain separation;elastic modulus;tunnelling}, doi = http://ckyyb.crsri.cn/EN/10.11988/ckyyb.20191419 }