1. College of Civil Engineering, Fuzhou University, 2 Xue Yuan Rd., University Town, Fuzhou 350108, P. R. China
2. China Railway Construction Port and Maritime Bureau Group Survey and Design Institute Co. Ltd., 118 Xingnan Rd., Nancun Town, Guangzhou 511400, P. R. China
3. College of Civil Engineering, Fuzhou University, 2 Xue Yuan Rd., University Town, Fuzhou 350108, P. R. China (Corresponding author), e-mail: xusong@fzu.edu.cn, https://orcid.org/0000-0002-8557-055X
4. Huian Kaicheng Vocational Middle School, Dongqiao Town, Quanzhou 362100, P. R. China