List of Contributions

What is the reason for welding the nuts? A563 is not listed as an approved base metal in either clause 3 or 4 of AWS D1.1 2015( I have not purchased my copy of the newly released edition). A563 is a medium carbon steel that is heat treated. The heat from welding will change the mechanical properties ...

Welded wire fabric often ends up at the bottom of the slab. Mr. Kozinetz pointed out that there are procedures that the slab crew uses to try and achieve proper placement within the slab, however the construction workers foot traffic often caused the problem which is certainly excessive. Based on the ...

​I choose figure A and the angle shown from horizontal would be 45-Phi/2 ------------------------------ Matthew Beck P.E., M.ASCE Engr Beck Engineering Pc Bondville VT ------------------------------

I have a copy of ACI 207.2 R-90 entitled "Effects of Restraint, Volume Change, and Reinforcement on Cracking of Mass Concrete. It states in section 1.2 "Definition" Mass Concrete is defined in ACI 116R as "Any volume of concrete with dimensions large enough to require that measures be taken to cope with ...

The bottom of the toe would be in Tension from the bending stresses. The bottom of the heel is in Compression and it would be better to anchor your reinforcing in a compression zone. ------------------------------ Matthew Beck P.E., M.ASCE Engr Beck Engineering Pc Bondville VT -------------- ...