Rebar caltrops have been found on I-20 since last year, with the most recent discovery on May 6 in Van Zandt County. They are usually four-pronged, heavy gauge steel puncturing spikes that can be ...
Changes to ASTM A615-20 specification reduced the tensile strength ... dual grade since they meet both A706 and A615. Since A706 rebar inherently meets the requirements of A615, all W bars should ...