1. School of Civil Engineering, Central South University , Changsha 410075, Hunan, China
2. CCCC Second Harbor Engineering Company Ltd. , Wuhan 430012, Hubei, China
3. Institute of Rock and Soil Mechanics, Chinese Academy of Science , Wuhan 430061, Hubei, China
4. Zienkiewicz Centre for Computational Engineering, College of Engineering, Swansea University , Swansea SA18EP, Wales, UK