THE CONCRETE BRIDGE MAGAZINE

WINTER 2013

ASPIRE is a quarterly magazine published by PCI in cooperation with the associations of the National Concrete Bridge Council. The editorial content focuses on the latest technology and key issues in the Concrete Bridge Industry.

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4 | ASPIRE , Winter 2013 Richard Brice is a bridge software engineer for the Bridge and Structures Office at the Washington State Department of Transportation in Olympia, Wash. Bijan Khaleghi is the state bridge design engineer at the Bridge and Structures Office of the Washington State Department of Transportation (WSDOT) in Olympia, Wash. Myint Lwin is director of the FHWA Office of Bridge Technology in Washington, D.C. He is responsible for the National Highway Bridge Program direction, policy, and guidance, including bridge technology development, deployment and education, and the National Bridge Inventory and Inspection Standards. Dennis R. Mertz is professor of civil engineering at the University of Delaware. Formerly with Modjeski and Masters Inc. when the LRFD Specifications were first written, he has continued to be actively involved in their development. Stephen Seguirant is vice president and director of engineering at Concrete Technology Corporation in Tacoma, Wash. Bradley C. Touchstone is an architect specializing in the design of signature bridge projects worldwide. Founder of Touchstone Architecture & Consulting P.A., Bradley has spent many years designing bridges with a mission to bring Low Cost and No Cost Aesthetic Enhancements ™ to all projects. CONTRIBUTING AUTHORS CONCRETE CALENDAR 2013 February 4-8, 2013 World of Concrete 2013 Las Vegas Convention Center Las Vegas, Nev. March 18-20, 2013 DBIA Design Build in Transportation Hilton Orlando Lake Buena Vista, Fla. April 13, 2013 ASA 2013 Spring Committee Meetings Hilton & Minneapolis Convention Center Minneapolis, Minn. April 14-18, 2013 ACI Spring Convention Hilton & Minneapolis Convention Center Minneapolis, Minn. April 15-16, 2013 ASBI 2013 Grouting Certification Training J.J. Pickle Research Campus The Commons Center Austin, Tex. April 25-28, 2013 PCI Committee Days and Membership Conference Hyatt Magnificent Mile Chicago, Ill. May 5-7, 2013 PTI Technical Conference & Exhibition Hilton Scottsdale Resort & Villas Scottsdale, Ariz. May 20-22, 2013 Seventh National Seismic Conference on Bridges & Highways Oakland Marriott City Center Oakland, Calif. June 2-5, 2013 International Bridge Conference David L. Lawrence Convention Center Pittsburgh, Pa. June 16-20, 2013 2013 AASHTO Subcommittee on Bridges and Structures Meeting Portland Marriott Downtown Waterfront Portland, Ore. August 29-31, 2013 PCI Quality Control and Assurance Schools Levels I and II Four Points Sheraton-O'Hare Chicago, Ill. September 21-25, 2013 PCI Annual Convention and Exhibition and National Bridge Conference Gaylord Texan Resort & Convention Center Grapevine, Tex. October 19, 2013 ASA Fall 2013 Committee Meetings Hyatt Regency & Phoenix Convention Center Phoenix, Ariz. For links to websites, email addresses, or telephone numbers for these events, go to www.aspirebridge.org and select "EVENTS." Corrections Summer 2012 On page 29 of the Summer issue, the forces and coeffcients of friction were incorrectly stat- ed. In the right column, the second sentence of the second full paragraph should read, "The initial push required a total force of approxi- mately 230 kips corresponding to 12% friction, and approximately 115 kips corresponding to 6% friction to continue moving the bridge." Fall 2012 On page 60 of the Fall issue, the incorrect editor's note was published. The editor's note should read, "If you would like to have a specifc provision of the AASHTO LRFD Bridge Design Specifcations explained in this series of articles, please contact us at www.aspirebridge. org." On page 30 of the Fall issue, the stay-cable and post-tensioning/form traveler suppliers were inadvertently left off the profle listing. The stay-cable supplier was Tensacciai SpA of Italy, and the post-tensioning/form traveler supplier was Schwager Davis Inc., San Jose, Calif. We regret these errors. Updated PDFs of these articles have been uploaded to the ASPIRE website at www.aspirebridge.org. AspireBook_Win13.indb 4 12/28/12 11:39 AM

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