1. School of Civil Engineering, Central South University, Changsha 410075, China
2. MOE Key Laboratory of Engineering Structures of Heavy Haul Railway (Central South University), Changsha 410075, China
3. Shandong Provincial Communications Planning and Design Institute Group Co., Ltd., Jinan 250031, China
4. Suzhou Municipal Construction Management Center, Suzhou 215000, China
5. Zhangjiajie Works Section, China Railway Guangzhou Bureau Group Co., Ltd., Zhangjiajie 427000, China
6. China Railway 18th Bureau Group Co., Ltd., Tianjin 300222, China