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March 2014


Articles

Jacks of All Trades
By Carlos de Oliveira, P.Eng., Michael Gray, Ph.D., and Tim Verhey, P.Eng.

A former factory in an historic industrial area becomes a new office tower in a revitalized entertainment district, thanks to a unique structural support system inspired by children’s jacks.


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Philadelphia Falls
By Jim Talbot

A Victorian-era landmark over the Schuylkill River, the Falls Bridge plays a prominent role in its Philadelphia neighborhood nearly 120 years after its opening.


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eSteel
By Chris Moor and Matthew Gomez, S.E., P.E.

It’s time for the way we buy steel to catch up with the way we buy everything else.


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Embrace Your Braces!
By Terri Meyer Boake

Exposing seismic bracing not only provides new architectural possibilities, but also makes structural framing inspection easier in the event of an earthquake.


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Increasing Spans and Possibilities
By Dusten Olds, P.E., Philip Rossbach, P.E., Ahmad Abu-Hawash, P.E., Lance Peterman, S.E., P.E., and Brandon Chavel, P.E., Ph.D.

Two bridge projects show what’s possible with a long-span I-girder scheme.

 


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Short-Span Solution
By Riccardo Zanon, Jacques Berthellemy, G√únter Seidl and Wojciech Lorenc

A European composite solution provides a viable and economical alternative to concrete girders for short-span bridges.


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Quality and the Bridge Engineer
By Shane R. Beabes, P.E.

Handle the increasing complexity in bridge analysis and design with a robust quality management system.


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Revisiting W1 Indications
By Duane Miller, P.E.

Looking back can reveal how different our final conclusions are from our initial thoughts.


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AISC 341 Then and Now
By James O. Malley, S.E., P.E.

Steel seismic design and AISC’s Seismic Provisions have come a long, long way in 20 years.


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Prequalified Moment Connections
By Ronald O. Hamburger, S.E.

A look at prequalifed connections for special and intermediate moment resisting frames for seismic applications.


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NASCC 2014 Exhibitor Listing


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Showing Camber
By Ronnie Medlock, P.E., and Steve Walsh

What’s the best way to show camber in a bridge design?


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Taking Stock
By Carly Hurd and John Cross, P.E.

Just how well is your business doing? Here’s how to find out.


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Structurally Sound
Sunny Side Up


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