1. Yulin Highway Development Center of Guangxi Zhuang Autonomous Region, Yulin 537000, China
2. Bridge Engineering Research Institute, Guangxi Transportation Science and Technology Group Co., Ltd., Nanning 530007, China
3. Hualan Design and Consulting Group Company Ltd., Nanning 530011, China
4. Guangxi Polytechnic of Construction, Nanning 530007, China
5. College of Transportation, Jilin University, Changchun 130025, China