1. Professor, Dept. of Civil Engineering, Fuzhou Univ., Fuzhou, Fujian Province, People’s Republic of China; formerly, visiting professor, Dept. of Civil Engineering, Katholieke Universiteit Leuven, W. de Croylaan 2, B-3001 Heverlee, Belgium.
2. Professor, Dept. of Civil Engineering, Katholieke Universiteit Leuven, W. de Croylaan 2, B-3001 Heverlee, Belgium.