Interim revisions to AASHTO LRFD Bridge Design Specifications (7th Edition) were published in 2016 with a few minor revisions to the steel bridge design sections of the specifications. The 8th edition of AASHTO LRFD Bridge Design Specifications is expected…
From the Field: M-8.1 Earthquake Strikes Mexico
Preliminary Structural Damage Assessed On Sept. 7, 2017, approximately 87 kilometers southwest of Pijijiapan, Mexico, an 8.1-magnitude offshore earthquake…
Executive Corner: Mitigating Taxes While Achieving Strategic Ownership Goals
In my experience, the top three reasons why A/E firms implement employee stock ownership plans (ESOPs) are taxes, taxes and taxes. However, although mitigating…
Specification Section: Retaining Walls and Mechanically Stabilized Earth (MSE)
Retaining walls, MSE and soil-retention products continue to evolve, as does the software that designs these systems and simulates their performance. The following resource aims to serve those who design and model such structures as well as specify the materials…
From the Editor: There’s No Replacement for ‘Learning by Doing’
I recently visited a job site of a friend of mine who is a construction manager. I met with him to discuss the use of emerging drone and reality-capture technologies, but I ended up tagging along as he crisscrossed the site, solving one problem after another.…
Final Thoughts: Millennials Are ‘Engineering: The Next Generation’
Many members of my generation think we Baby Boomers are the greatest generation. After all, we protested against wars, fought for civil rights, and invented rock and roll. But we also produced this next generation of people. I am a Baby Boomer, and our generation…
Joe Harrison: GT STRUDL, Product Innovations, Key Customers, Important Use Cases
Informed Infrastructure interviewed Hexagon's Joe Harrison, Product Owner of GT STRUDL, at the HxGN Live event held June 13-16, 2017, in Las Vegas. He discusses the creation and growth of GT STRUDL, key product strengths and use cases, new components and what…
Future Forward: Use a PERMIT System to Promote Safety on the Job Site
This page profiles innovative and impactful applied research in civil and structural engineering. Patrick Tarrant is the founder and CEO of Crane Management, a consulting agency for construction companies in New York City. A well-known industry professional…
Civil Spotlight: T.Y. Lin’s Heller Receives Special Award from Arizona DOT
This column in Informed Infrastructure aims to highlight a particular civil engineer or civil engineering project that received deserving credit for improving the profession. Joseph (Joe) Heller, P.E., a T.Y. Lin International (TYLI) design engineer, received…
Final Thoughts: Bridges: Overcoming Gaps Literally and Metaphorically
The main theme of this issue of Informed Infrastructure is “bridges,” which allow people to cross rivers that used to be barriers. They provide a way to span a gap or valley rather than travel long distances around them. Bridges allow different modes of…