Yan, Qixiang, Chuan Zhang, Wang Wu, Hongxue Zhu, and Wenbo Yang. (2019). “3D Numerical Simulation of Shield Tunnel Subjected to Swelling Effect Considering the Nonlinearity of Joint Bending Stiffness”. Periodica Polytechnica Civil Engineering 63 (3), 751-62. https://doi.org/10.3311/PPci.13996.