Since A706 rebar inherently meets the requirements of A615, all W bars should also be accepted as dual grade. Future A706 and A615 specification revisions may permit reinforcement bars with only a ...

Concrete's greatest weakness is its tensile strength, which can be less than 10% of its compressive strength. So, we often reinforce it to create a composite material strong against all types of ...

Because the process for 3D printing of concrete does not involve concrete forms, normal means of reinforcement like rebar and wire mesh cannot be used. While experimentation has involved including ...