Table of Contents
Features
Creating a Concrete Skybridge Connection
By Songtao Liao, Benjamin Pimentel, Matthew Segerman, and Yu Huang
One South First is an interconnected twin-tower high-rise enabled by innovative structural and formwork solutions.
Transforming Historic St. John's Terminal Into Google's NYC HQ
By Stephanie Berrios, PE
Using structural bridge design principles, the retrofit enabled a vertical expansion adding nine stories above the original structure.
WARP 10: Structural Design of a cGMP Manufacturing Facility Using Mass Timber
By Paul Constantini, PE, SE (AZ, GA, ID, IL, NV) and Taryn Napolitano, PE
While the United Therapeutics' WARP10 project does not bend space and time, it does aim to achieve something unprecedented in the life sciences sector: to realize a Current Good Manufacturing Practices (cGMP) pharmaceutical manufacturing plant built largely from mass timber and designed to approach zero carbon.
Pinnacle on Peachtree
By Susendar Muthukumar, PhD, SE, and Daniel Traub, SE
Atlanta’s new 60-story tower soars into the skyline.
Structural Flex: How One Girder Does the Heavy Lifting
A cantilevering transfer girder helps the corner of Houston Methodist Hospital’s new Centennial Tower float over the ambulance drive and underground utilities.
Columns and Departments
Editorial
The Future Is Now: Performance-Based Design
By Kevin Aswegan, PE, SE, F.SEI
Structural Design
Unevenly Loaded Welds Revisited
By Mark Denavit
Structural Design
Engineering Concealment Telecommunication Towers
By Sudarshan C. Kasera, PE, PMP
Structural Design
Considering Engineering Judgment in Forensic Investigations
By Ross Smith, PE, LEED AB BD+C, CDT
inFocus
Answering the Call: Structural Engineers and Disaster Response
By Klaus Perkins, PE, SE
Structural Forum
Stamping Out Engineering Fraud
By Marshall Carman, PE, SE
Historic Structures
Alton, Illinois Bridge 1894
By Dr. Frank Griggs, Dist. M. ASCE
Structural Forum
So You Want to Start Your Own Firm Part 2: Getting and
Doing the Work
By John A. Dal Pino, SE