Anyone Familiar W/ Blowout Walls

hcarlos

I need too know once they blowout. Not completely obviously can they be pulled back in and is the integrity of the wall lost.

I am having a hard time finding anything in the local code books.

GULF COAST!

neolitic

Are you building a dynamite shack?
Ammunition magazine?

__________________
Put your location in your profile!
(Sorry....it seems there really are dumb questions)

hcarlos

home on piers on the gulf for flooding. the blow out walls are built in between the piers for flooding piers are 10' tall above slab on grade.

precisionbuild

According to NFIP performance criteria for breakaway walls, any wall with a designed safe
working resistance of not less than 10 and not more than 20 pounds per square foot (psf) is
considered a breakaway wall and does not require certification by an engineer or architect.
Previous NFIP design guidance, in the 1986 edition of FEMA’s Coastal Construction Manual,
specified standard stud wall panels placed between pilings or other vertical foundation members,
but connected to the building only at the top and bottom of the panel with a specific number of
fasteners intended to restrict the capacity of the wall to the 10- to 20-psf range.

.

concretemasonry

Blow out walls on the Gulf coast are usually used on property near the water that is subjected to tides and storm surge.

Because they are designed to be weak, the only provide separation of areas. The amount of connection is limited, but if the wall stands, it can be easily cleaned and refinished if it is made from appropriate materials.

The better homes and apartments/condos are built using concrete masonry or reinforced rectangular concrete piers on spread footings below the normal water level. The rectangular pier/columns are normally oriented to resist the surges. Between the piers/column there are usually walls on slab that are built to provide the normal separation and protection from the elements under normal conditions. Because of the climate, use and finishing options, concrete masonry 6" or 8" is used for the blow-out walls that are parallel to the typical surge direction. Wood is not too effective because of the climate and exposure.

In the rebuilding of the Ocean Beach(?) area of Mississippi, there are many good examples learned by experience based on the 20+' surge. Wood piling snapped at about 5' up if they did not tilt first, steel posts bent because the load duration was long and the exposure/corrosion was severe. There are several miles of homes destroyed and now being rebuilt, hopefully better than the original loose conctruction requirements. there are a few gems that survived and one was in the shadow of the water tower than is now on the ground.

__________________
Dick

Engineer, designer and consultant recently active domestically and internationally on construction and design in about 35 countries.

Shellbuilder

I haven't heard that term but houses that are built on pilings have build outs on the first floor that are not bolted allowing the first floor to be washed away by waves. These areas also can not be bedrooms.

__________________
www.shelladditions.com

thegreek

There goes my home
j/k I reinforced my shanti