[1] JMBT Struct Res Inc, Toronto, ON M1V 3G1, Canada
[2] Minist Transp Ontario, Downsview, ON M3M 1J8, Canada
[3] Univ British Columbia, Dept Civil Engn, Vancouver, BC V6T 1Z4, Canada
[4] Publ Works Canada, Technol, Ottawa, ON K1A 0S5, Canada
[5] Royal Mil Coll Canada, Dept Civil Engn, Kingston, ON K7K 7B4, Canada
[6] Pruftecknik IFEP Ltd, D-49090 Osnabruck, Germany
[7] Saitama Univ, Dept Civil Engn, Urawa, Saitama, Japan
[8] Dalhousie Univ, Dept Civil Engn, Halifax, NS B3J 2X4, Canada
[9] Univ Sherbrooke, Dept Civil Engn, Sherbrooke, PQ J1K 2R1, Canada
[10] SPECO Engn, Calgary, AB T3L 1W7, Canada