1. China Construction Fifth Engineering Division Corp., Ltd., Zhongyi One Road No. 158, Changsha, Hunan, China
2. College of Civil Engineering, Hunan University, Lushan No. 1, Changsha, Hunan, China
3. China State Construction Engineering Corp., Ltd., Beijing 100013, China
4. School of Civil Engineering, Central South University, Changsha 410075, Hunan, China