That kind of point loading on "green concrete" 7 day compressive strength must have been high, let alone at 4 days. 6 1/2 bag of Portland per cubic yard, wonder what PSI mix that would make. Amazing it did not fracture running on it that soon. I have put in structural slabs with 5000 PSI mix design and a nice grid of #4 bar at entrances to buildings where I knew we would be running across with heavy loads, often times part of a sidewalk, but just a section so we did not fracture the sidewalk where we crossed. Never fails on a site, sidewalk is put in too early or they forget and always has to be fixed, few extra yards and bar, good to go. Only difference I'd wait at least 2 weeks or the full month.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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