TY - CONF AU - Gross, John AU - Engelhardt, M AU - Uang, Chia-Ming AU - Kasai, K AU - Iwankiw, N C2 - North American Steel Construction Conference | 12th | 2001 North American Steel Construction Conference Proceedings : AISC Steel Design Guide Series, Guide No. 12 DA - 2001-05-01 LA - en M1 - 19.1-19.14 PB - North American Steel Construction Conference | 12th | 2001 North American Steel Construction Conference Proceedings : AISC Steel Design Guide Series, Guide No. 12 PY - 2001 TI - Modification of Existing Welded Steel Moment Frame Connections for Seismic Resistance ER -