Monolithic Footing Design
Monolithic Footing Design
(OP)
Anyone knows a method to design a Monolithic Footing (wall footing)integrated to slab on grade for residential structural design.
Thanks
adcFL
Miami, FL
Thanks
adcFL
Miami, FL
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Monolithic Footing Design
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RE: Monolithic Footing Design
The monolithic footing, or turned down slab edge, is primarily a means of terminating the slab pour without have the masonry crew show up to lay two courses of block (in Florida where we have no frost line). This type of foundation can typically support a one-story residential structure with no problem. For larger structures, and multi-story homes, the soil bearing under the monolithic footing should not exceed the allowable bearing pressure recommend by the soils report. In absence of a soils report in hand, a preliminary design based on an allowable soil bearing of 2,000 psf would be reasonable.
It is important to note the the wall or column load has to be taken by the contact area under the monolithic footing and cannot be distributed to the slab on grade.
If the residence is more than one story, you may want to consider a masonry stem wall on a strip footing.
John Carter, Tampa
RE: Monolithic Footing Design
"Design of Slab-on-Ground Foundations", August, 1981
Prepared for: Wire Reinforcement Institute, 7900 Westpark Drive, McLean, Virginia 22101 and for the Concrete Reinforcing Steel Institute, 180 North LaSalle Street, Chicago, Illinois 60601.
The method was developed by a Mr. Walter L. Snowden, PE in Austin, Texas. It is an empirical method. There may be an updated version out there somewhere. I would start with CRSI.
RE: Monolithic Footing Design
RE: Monolithic Footing Design
Thanks to Jhon really good explanation, I did a design with a software that a friend gave me but i want to know how to do the calculations.
Thanks
ADC
Miami, Florida