While steel rebar cages are welded, the ComBAR bars are combined into cages using conventional tying wire and horizontal, wraparound "stirrups" made of the higher-resin-content bent sections of ComBAR ...

Steel rebar is everywhere, from sidewalks to skyscrapers. “It’s pervasive in any concrete structure. They’re just full of rebar,” says Dan Walczyk, a professor of mechanical engineering at ...

Researchers at the USA's Rensselaer Polytechnic Institute have invented an alternative to steel rebar made from hemp, which they claim avoids corrosion.