1. Asst. Prof., Dept. of Civ. Engrg., Kanazawa Inst. of Tech., 7-1 Ogigaoka, NonoichiMachi, Ishikawa 920, Japan
2. Assoc. Prof., Dept. of Civ. Engrg., Kanazawa Univ., 2-40-20 Kodatsuno, Kanazawa 920, Japan
3. Prof., Dept. of Construction and Environmental Engrg., Kanazawa Univ., 2-40-20 Kodatsuno, Kanazawa 920, Japan