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Posts Tagged ‘tornado resistant’

Disaster Resistant Catenary Dome (click to enlarge)

Disaster Resistant Catenary Dome (click to enlarge)


Specifications: 314 sq. ft. interior, 181 sq. ft. interior loft, total = 495 sq. ft. interior, Footprint: 23’ diameter

Description: Catenary arches and domes are among the strongest forms in nature. This catenary dome is designed to withstand repeat hurricanes and other natural disasters. It is similar in construction to the Hemispheric Dome, but the Catenary Dome has a sleeping loft. Tilt-down stairs are shown, although you could make a single bathroom door and add a ladder to one side. This would give you more space in the loft.

Disaster Resistant Catenary Dome (click to enlarge)

Disaster Resistant Catenary Dome (click to enlarge)


More information is on our Earthbag Building Blog.

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Disaster-resistant hemispheric dome made with double ferrocement shells with insulating fill (click to enlarge)

Disaster-resistant hemispheric dome made with double ferrocement shells with insulating fill (click to enlarge)


This 20′ interior diameter, 314 sq. ft. design is my proposed solution for houses that need to withstand repeat hurricanes. See How to Build the Strongest Buildings That Can Last Centuries for more details. Features include: lexan windows with removable window and door shutters, monolithic geopolymer slab floor that’s integrated with the walls, build on high ground, plastic mesh that won’t rust, geopolymer plaster both sides, geopolymer pumicecrete or geopolymer perlite fill. Integrating the slab and dome and building on a rubble trench is ideal for seismic zones. In an earthquake, the building would slide back and forth somewhat like an upside down cereal bowl on a kitchen table (meaning the whole house remains intact as one shell).

The design will have to be tweaked for individual homeowner needs, and some details worked out with the engineer. Note how a woodstove is shown to reach a wider audience, even though it’s probably not needed in Florida. The woodstove could be replaced with an emergency water storage and filtration system, etc. A fold-out bed saves space. Please email me and we’ll work out the details to fit your needs.

Disaster-resistant hemispheric dome made with double ferrocement shells with insulating fill (click to enlarge)

Disaster-resistant hemispheric dome made with double ferrocement shells with insulating fill (click to enlarge)

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