1. School of Civil Engineering, Chongqing University, Chongqing, China
2. Institute for Risk and Reliability, Leibniz University of Hannover, Hannover, Germany
3. China Railway First Survey and Design Institute Group Co., Ltd, Xi'an, China
4. School of Civil Engineering, Chang’an University, Xi’an, China
5. Institute for Risk and Uncertainty, The University of Liverpool, Liverpool, UK
6. International Joint Research Center for Engineering Reliability and Stochastic Mechanics, Tongji University, Shanghai, China