ARCC 3202 Lecture Notes - Lecture 4: Precast Concrete, Deep Foundation, Rebar
11 Feb 2023
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Document Summary
Indentation in wall, which allows concrete to be filled in, allowing it to hold the 2 foundation walls together. Smashed into ground until it hits point of refusal into bedrock. Doesn"t matter the weight of the bearing capacity above. Accounted for load bearing capacity, due to friction. Take out earth, put rebar and pour concrete. Wet soil taken out must equal weight of building. Must allow for flexibility in design; insulation dependant and is imprecise, because it is drilled into the ground. Sog with edge beam: having grade or edge beam, insulated against frost heave. Sog with foundation wall: footing below frost line, crawl space foundation, enough distance only for crawling into and maintenance, unconditioned (old design, has grilles for ventilation to keep dry. Inside the building envelope, can be used for storage healthier , less mould & mildew and conditions the space. Thickness varies (8 -10 nominal typical: portland cement parging (air and moisture barrier)
