%0 Journal Article %T A novel optical method for measuring 3D full-field strain deformation in geotechnical tri-axial testing %A Wang, Pengpeng %A Sang, Yong %A Guo, Xiaoxia %A Shao, Longtan %A Zhao, Jianlong %A Ji, Xiaomeng %J Measurement Science and Technology %V 31 %N 1 %P 15 %@ 0957-0233 %D 2020-01-01 %~ DeepDyve