Sorry for re-editing this. I hope I got it right this time.
I'm a mechanical engineer building a 40' x 50' steel column storage shed on my property that will store a large RV, boat, tractor, and other heavy equipment.
The slab foundation is a 40' x 50' monolitic slab (5" thick in...
Correction: The contractor did NOT cut the contraction joints later in the day (of the concrete pad pour) due to thunderstorm activity. It was cut around 11:00 AM (the next day).
I'm a mechanical engineer building a 40' x 50' steel column storage shed on my property that will store a large RV, boat, tractor, and other heavy equipment.
The slab foundation is a 40' x 50' monolitic slab (5" thick in middle, 12" thick on edges). Used 6" x 6" - 6 gauge...
I'm a mechanical engineer building a light-gauge steel framed house. Light-gauge steel beams and floor joists will be anchor-bolted to concrete filled (concrete) block (crawl space) foundation wall and interior piers. I need a level surface for the beams/joists. The blocks are level and...
I would recommend that you review ACI 201.2R-77 (Reapproved 1982) titled "Guide to Durable Concrete". It contains recommended air contents for frost-resistant concrete. For example,according to this guide: IF nominal maximum aggregate size is 1 1/2 inch the average air content should...