NO. 63 WINTER 2019 FEATURES 16 Innovation in the Conceptual Design of the Salmon River Bridge Replacement C.P. (Ken) Rebel and Raj Singh, McElhanney Consulting Services Ltd. 22 Be the Disruptor Thoughts from a structural engineer on embracing the dizzying pace of technological change Jeff DiBattista, DIALOG 30 A Question of Stability Reassessing lateral-torsional buckling capacity of modern welded steel girders Dimple Ji, Robert G. Driver, Ali Imanpour, University of Alberta 34 A Challenging Canopy Becomes a mainstay project Justin Wuohela, P.Eng., IBI Group COLUMNS 8 Technical Column Alfred F. Wong, P.Eng., F.CSCE 10 Education & Research Council Michael Holleran, P.Eng. 12 Education & Research Council News Jeff Packer 14 Seismic Corner Alfred F. Wong, P.Eng., F.CSCE IN EVERY ISSUE 6 From the President Ed Whalen, P.Eng. 38 News & Events 40 New Members and Associates 43 Member and Associate Products/ Services Directory On the Cover: Vaughan Metropolitan Centre (VMC) Station Canopy Photo courtesy of Justin Wuohela, P.Eng. CANADIAN INSTITUTE OF STEEL CONSTRUCTION PM#40787580 NO. 63 WINTER 2018 STEEL ADV ANTAGE MODERNIZING WITH STEEL MODERNIZING WITH STEEL INNOVATION IN THE CONCEPTUAL DESIGN OF THE SALMON RIVER BRIDGE REPLACEMENT BE THE DISRUPTOR A QUESTION OF STABILITY A CHALLENGING CANOPY INNOVATION IN THE CONCEPTUAL DESIGN OF THE SALMON RIVER BRIDGE REPLACEMENT BE THE DISRUPTOR A QUESTION OF STABILITY A CHALLENGING CANOPY The Canadian Institute of Steel Construction (CISC) is the Voice for the Canadian Steel Construction industry. The CISC represents a diverse community of structural steel industry stakeholders including manufacturers, fabricators, erectors, service centres, consultants, detailers, industry suppliers, owners and developers. Steel construction industry stakeholders are encouraged to apply to become a member or associate. Visit cisc-icca.ca for more information. If you are working on a project that you think should be featured, send us an email at ciscmarketing@cisc-icca.ca. STEEL ADVANTAGE 30 16 22 34