Zijin School of Geology and Mining Fuzhou University Fuzhou 350108 China;
School of Civil and Environmental Engineering Nanyang Technological University Singapore 639798 Singapore;
School of Civil and Environmental Engineering Nanyang Technological University Singapore 639798 Singapore;
School of Civil and Environmental Engineering Nanyang Technological University Singapore 639798 Singapore;
College of Civil Engineering Fuzhou University Fuzhou 350108 China;
School of Civil and Environmental Engineering Nanyang Technological University Singapore 639798 Singapore;