THE CONCRETE BRIDGE MAGAZINE

Summer 2019

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.

Issue link: http://www.aspiremagazinebyengineers.com/i/1134112

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ABC-UTC (FIU). . . . . . . . . . . . . . . . . . . . . .5 DYWIDAG-Systems International USA Inc. . . . . . . . . . . . . Inside Back Cover FIGG. . . . . . . . . . . . . . . . Inside Front Cover HDR inc. . . . . . . . . . . . . . . . . . .Back Cover Max USA Corp. . . . . . . . . . . . . . . . . . . . . .3 PCI . . . . . . . . . . . . . . . . . 28, 29, 43, 46, 50 Poseidon Barge Ltd. . . . . . . . . . . . . . . . .41 Advertisers' Index ASPIRE Summer 2019 | 1 C O N T E N T S Photo: Paul Turang. Photo: Steve Proehl. Photo: Kiewit Corporation. Photo: Arup. Features Concrete Micromanagement 6 DRP, a Twining Company, employs a growing array of high-tech instruments and advanced analytics to help extend the service lives of bridges. Salesforce Transit Center Bus Ramp Bridge 12 Flying Over Las Vegas 16 Gilman Drive Overcrossing at the University of California San Diego 20 Departments Editorial 2 Concrete Calendar 4 Perspective—Aesthetics in Public Works 10 Aesthetics Commentary 14 Concrete Bridge Technology— Interstate 49 Inner City Connector Interchange 24 Concrete Bridge Technology— Design Considerations for Unbonded Post-Tensioning Tendons 26 Concrete Bridge Technology— Stretching the Limits of Precast Concrete 30 Concrete Bridge Technology— Important Updates to Post-Tensioning Bridge Speci‹cations M50 and M55 32 Concrete Bridge Technology— Minnesota's MH Shape 34 Concrete Bridge Technology— Dynamic Effects of Superstructure Mass during Barge Collisions with Bridges 36 Concrete Bridge Technology— Ouachita River Bridge 39 A Professor's Perspective—Why Don't We Teach Engineering Like Baseball? 42 FHWA—Truck Platoons and Highway Bridges 44 Creative Concrete Construction— Long-Span Prestressed Concrete Girders 47 Safety and Serviceability—Internal Curing Concrete Bridge Decks in New York State 48 Creative Concrete Construction—Specifying Splitting Tensile Strength for Lightweight Concrete to Improve and Simplify Design 49 LRFD—Factored Axial Resistance 51 Concrete Connections 52 20 12 16

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