TY  - JOUR 
T1  - Strain-degradation analysis of tunnel structures based on twin-shear unified strength criterion
JO  - Latin American Journal of Solids and Structures
A1  - Bai, Yongtao
A1  - Guan, Shaoyu
A1  - Tang, Zhenyun
A1  - Florez-Lopez, Julio
SN  - 1679-7825
UL  - 10.1590/1679-78255769
VL  - 17 
Y1  - 2020
PB  - Brasil 
ER  -