If structural engineers have their way, building codes will take a leap forward in the next couple of years to allow the use of higher-strength 80-ksi reinforcing steel in concrete shear walls in high ...

It's tempting to think of "strength" as a simple variable and that various materials all fall somewhere on a spectrum of strong to weak. The reality, of course, is much more complex. Different ...

Finding rebars inside concrete is vital for contractors, drillers, and construction engineers. Detecting the rebars’ position, including depth, is vital for many reasons; very often, there is the need ...

While many of us might think that concrete structures such as bridges simply stand unaided for decades at a time, the fact is that they require maintenance as often as once every five years. An ...

Three new aerial photos of Apple's Campus 2 construction site show rapid progress being made on the main circular building's foundation, including rebar work for below grade retaining walls and the ...

You may have an asphalt or blacktop driveway as I do. Mine was installed 25 years ago and is in good condition. The mix ...

For decades, concrete walls and foundations were made the same way. Plywood or plain boards are built into forms that contain steel reinforcing bars (rebar) and into which wet concrete is poured. When ...

Gustavo J. Parra-Montesinos is coming to the rescue of concrete-frame designers and contractors in earthquake country, long bedeviled by rebar-congested coupling beams that span openings in seismic ...

Construction has been ongoing for a retaining wall in the Piston Peak construction site since mid-March. The section across ...