This steel beam represents the best of who we are as a country,” said Frank Siller, Tunnel to Towers Foundation chairman and CEO. “As it travels from coast to coast, we hop ...

SPOKANE VALLEY, Wash. – A steel column from the World Trade Center stands solemnly inside the front doors of the Spokane Valley Fire Department administration building. This column serves as a quiet ...

A rust-colored steel column salvaged from the debris of the World Trade Center has been moved to its new memorial location, along a forested walkway outside CIA headquarters just outside the nation’s ...

Concrete-filled steel tubular (CFST) columns represent a mature yet evolving area of structural engineering. By encasing concrete within a steel tube, these composite members harness the compressive ...

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 ...