Keywords: Blast, seismic, testing, composite columns, multi-hazard, retrofit, design, jacketed columns, concrete-filled steel tubes. Abstract: This report presents the results of an analytical and ...

Q: The outside of the Lally columns in my under-the-house garage have rusted out at the bottom. The inside concrete looks OK, but is the outside steel layer important? A: Lally columns are made up of ...

To structural engineers, it’s no mystery why the earthquake in Mexico this week turned a school into a death trap: The building was made of brittle concrete. Such buildings don’t have enough steel ...

Engineers at Iowa State University think concrete columns could be the key to building taller, higher-powered wind turbines. By making the switch from steel to concrete, it's thought that the upper ...