Structural

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Structural Design Parameters for Concrete Building System, LLC

Design for withstanding 50% higher forces than is normal for the present

Assume climate change continues to worsen long into the future

Provide economical home design and construction

Eliminate need for insurance advancing into "fortress" durability

Cast in place reinforced concrete in corners, doors, and window frames

Bond spandrel beam atop all structural walls grouted into post tensioned concrete roof

Standard 6” ceiling (roof) post tensioned slabs, center to center max span 22.5 feet, two inch thick paver stay in place slab support for four hour fire rating

Flat roof for walkout patio for rooftop master bedroom (half the area) on top floor with bathroom and closet

Can omit roof slab support pavers for 8” thick slab for span of 8 x 45 = 30 feet

Destructive testing reveals 12” wall panel failure at 22,000 pounds per lineal foot

Pull out strength of embedded couplers 700 pounds

Strengths depend on mix design, amount of fiber reinforcement

Helix steel fibers can be used but they show against the face of the panel, if covered with opaque paint or stain not a problem

PVA fiber standard usage

Phi ratio 1.618 recommended ratio of house length and width, so a 30' deep house should have a 50’ front.