Rebar is the hidden backbone of most concrete structures, but its tendency to rust can cause major problems over time. This video explains how rebar corrosion happens, why concrete usually ...

An experimental new type of rebar, however, could drastically change that. The problem with existing concrete structures lies in the steel rebar rods that are embedded within them for support.

The data is “essential” for the use of high-strength rebar in slender concrete walls, say the authors of the 311-page report on the tests, released on Jan. 2.