12-03-2019, 11:57 PM
No structural engineering experience here but it’s my understanding that concrete is a concoction, and so, variability and so, “quality levels/application levels” probably exist.
50-70 years is what I’ve read. Flat surfaces like sidewalks cannot be expected to hold up like vertical ones, and all of that is with taking the chemistry and installation out of the equation.
50-70 years is what I’ve read. Flat surfaces like sidewalks cannot be expected to hold up like vertical ones, and all of that is with taking the chemistry and installation out of the equation.