By making the switch from steel to concrete, it's thought that the upper limit of turbine column height could be raised from 80 m (262 ft) to over 100 m (328 ft). SUBSCRIBE LOG IN ...

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? GUEST, in Hotton’s chat ...

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 ...

Even worse, the steel bars embedded in concrete as reinforcement can corrode over time. Very tiny cracks can be quite harmful because they provide an easy route in for liquids and gasses – and ...

Making the Concrete and Steel We Need Doesn’t Have to Bake the Planet. There are cleaner ways to produce the building blocks of the nation. March 4, 2021.