Is it possible?

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On Wednesday, February 8, 2017 at 4:43:44 AM UTC-5, Mr. Man-wai Chang wrote:
Is it possible?

Sure, but very few people want to live in an underground bunker.

Cindy Hamilton

On 2/8/17 3:43 AM, Mr. Man-wai Chang wrote:

Is it possible?

Yes.
A quick search turned up a few.
http://www.citylab.com/housing/2013/10/ingenius-home-built-battle-tornadoes/7105/

Dome houses are pretty tough.

On 2/8/2017 3:43 AM, Mr. Man-wai Chang wrote:

Is it possible?

Sure, but they will cost more and I doubt if they would
look like McMansions.

Here in Oklahoma some are pushing for better construction
techniques, that can give greater chances of survival in
a tornado.

Bill

On 2/8/2017 3:28 AM, Cindy Hamilton wrote:
On Wednesday, February 8, 2017 at 4:43:44 AM UTC-5, Mr. Man-wai Chang wrote:
Is it possible?

Sure, but very few people want to live in an underground bunker.

Cindy Hamilton


Cindy buries her head in the sand and buy Jew coffee.
Wot could be worse?

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On 2/8/2017 6:12 AM, Bill Gill wrote:
On 2/8/2017 3:43 AM, Mr. Man-wai Chang wrote:

Is it possible?

Sure, but they will cost more and I doubt if they would
look like McMansions.

Here in Oklahoma some are pushing for better construction
techniques, that can give greater chances of survival in
a tornado.

Bill


Spoken like a true idiot.
They gots lots in Okyhoma.
LOL

On Wed, 8 Feb 2017 17:43:41 +0800, "Mr. Man-wai Chang"
wrote:


Is it possible?

Absolutely. We already can see that with the current building code in
Florida. Granted we are only building for winds in the 140-180 MPH
(F3) range but when you compare the results to places like NY/NJ in
Sandy (a strong tropical storm) you can see the difference. The other
posters suggestion of a dome is an excellent example. If it is built
in a dome form with the structure of an upside down swimming pool
(concrete and steel) a tornado will not faze it.
You could use the same techniques for a more conventional home and get
wind protections up in the F3 range.
The problem may be esthetics and cost. A Florida 150 MPH house might
cost ~30% more than a house built where they do not have a wind code
(for the basic shell).

On 2/8/2017 4:43 AM, Mr. Man-wai Chang wrote:

Is it possible?


Sure. ICF houses will remain standing, but the roof is the weak link.
Sure minimizes damage.

Fully tornado proof cost a bit more but can be done.

On 02/08/2017 06:12 AM, Bill Gill wrote:
On 2/8/2017 3:43 AM, Mr. Man-wai Chang wrote:

Is it possible?

Sure, but they will cost more and I doubt if they would
look like McMansions.

Build a reinforced concrete house and slap some siding on it.

Jon

On Wednesday, February 8, 2017 at 10:32:44 AM UTC-6, Jon Danniken wrote:
On 02/08/2017 06:12 AM, Bill Gill wrote:
On 2/8/2017 3:43 AM, Mr. Man-wai Chang wrote:

Is it possible?

Sure, but they will cost more and I doubt if they would
look like McMansions.

Build a reinforced concrete house and slap some siding on it.

Jon

Some posterior sphincter will always complain that your tornado proof home is unattractive and a blight on the neighborhood. More sphincters will join in and go to the city council to howl about how ugly your storm safe home is and how they want it torn down. About that time a tornado will hit and level the neighborhood except for your house. At which time, the posterior sphincters will start howling about how unfair..... ヽ(ヅ)ノ

[8~{} Uncle Tornadic Monster

On Wed, 8 Feb 2017 11:21:06 -0500, Ed Pawlowski wrote:

On 2/8/2017 4:43 AM, Mr. Man-wai Chang wrote:

Is it possible?


Sure. ICF houses will remain standing, but the roof is the weak link.
Sure minimizes damage.

Fully tornado proof cost a bit more but can be done.
Highly tornado resistant houses are very doable - housed that will
suffer minor damage in an F3, and remain structurally sound while
suffering damage in an F5.

Tornado PROOF buildings, which would suffer no dammage in an F5 are
possible, but not either financially feasible or cosmetically
acceptable to the average buyer.

On Wed, 08 Feb 2017 19:22:18 -0500, wrote:

On Wed, 8 Feb 2017 11:21:06 -0500, Ed Pawlowski wrote:

On 2/8/2017 4:43 AM, Mr. Man-wai Chang wrote:

Is it possible?


Sure. ICF houses will remain standing, but the roof is the weak link.
Sure minimizes damage.

Fully tornado proof cost a bit more but can be done.
Highly tornado resistant houses are very doable - housed that will
suffer minor damage in an F3, and remain structurally sound while
suffering damage in an F5.

Tornado PROOF buildings, which would suffer no dammage in an F5 are
possible, but not either financially feasible or cosmetically
acceptable to the average buyer.

CORE houses are 100% tornado PROOF.

Dig down to the core of the earth. Install an elevator shaft and
elevator. Then build your home directly in the earth's core. 100%
guaranteed that no tornado cyclone or hurricane will damage this home.

On 2017-02-09, wrote:

100% guaranteed that no tornado cyclone or hurricane will damage
this home.

Zat guarantee extend to fracking?

nb

On Thu, 09 Feb 2017 02:41:39 -0600, wrote:

On Wed, 08 Feb 2017 19:22:18 -0500, wrote:

On Wed, 8 Feb 2017 11:21:06 -0500, Ed Pawlowski wrote:

On 2/8/2017 4:43 AM, Mr. Man-wai Chang wrote:

Is it possible?


Sure. ICF houses will remain standing, but the roof is the weak link.
Sure minimizes damage.

Fully tornado proof cost a bit more but can be done.
Highly tornado resistant houses are very doable - housed that will
suffer minor damage in an F3, and remain structurally sound while
suffering damage in an F5.

Tornado PROOF buildings, which would suffer no dammage in an F5 are
possible, but not either financially feasible or cosmetically
acceptable to the average buyer.

CORE houses are 100% tornado PROOF.

Dig down to the core of the earth. Install an elevator shaft and
elevator. Then build your home directly in the earth's core. 100%
guaranteed that no tornado cyclone or hurricane will damage this home.

Also, As I noted 100% out of the realm of "financiallt feasible" for
most people

On Thu, 09 Feb 2017 13:27:50 -0500, wrote:


Also, As I noted 100% out of the realm of "financiallt feasible" for
most people

I think you might find the shell of a tornado proof house might only
be about 50% more than a regular home.
(reinforced concrete on all 6 sides), If you used ICF walls insulation
would not be a problem and use a girder roof structure like commercial
buildings with a poured concrete roof. Your weakness is the
penetrations but we are seeing very capable impact windows and if you
backed that up with 200 MPH hurricane shutters your protection would
be up in the F4 category. The latter being a big part of the extra
cost.

On Thu, 09 Feb 2017 16:08:22 -0500, wrote:

On Thu, 09 Feb 2017 13:27:50 -0500, wrote:


Also, As I noted 100% out of the realm of "financiallt feasible" for
most people

I think you might find the shell of a tornado proof house might only
be about 50% more than a regular home.
(reinforced concrete on all 6 sides), If you used ICF walls insulation
would not be a problem and use a girder roof structure like commercial
buildings with a poured concrete roof. Your weakness is the
penetrations but we are seeing very capable impact windows and if you
backed that up with 200 MPH hurricane shutters your protection would
be up in the F4 category. The latter being a big part of the extra
cost.
Totally different concept than the "core house" and closer to
affordable - and getting into the "highly tornado resistant" home -
effective against most tornados below F5 category with only minor
damage - and still acceptable aesthetics..
We are on the edge of "tornado alley north" up here between the
lakes, with the Fergus, Orangeville, Grand Valley, Durham, Barrie
areas fairly succeptible.
One advantage we have up here is "trailer homes" are virtually
unheard-of except in campgrounds, unlike much of the American
countryside where "redneck bungalows" are very common "permanent
homes" - and they don't stand a chance much above an F1 - and also
much of the American housing stock has no basements. Most homes here
are built on a fully excavated poured concrete foundation, providing a
full basement. We are seeing more and more ICF for that application,
as well as some higher end homes being built completely in ICF - some
with stucco finish, some with concrete or clay brick veneer, and the
occaisional one with vinyl or metal siding. Siding doesn't stand up
well to F2 or above.
Storm shutters are not common here so window and door openings are
still problematic (particularly with siding flying around) - as are
roofs (Flat roofs are not common - not good for snow loads etc)

On Thu, 09 Feb 2017 16:45:08 -0500, wrote:

On Thu, 09 Feb 2017 16:08:22 -0500, wrote:

On Thu, 09 Feb 2017 13:27:50 -0500, wrote:


Also, As I noted 100% out of the realm of "financiallt feasible" for
most people

I think you might find the shell of a tornado proof house might only
be about 50% more than a regular home.
(reinforced concrete on all 6 sides), If you used ICF walls insulation
would not be a problem and use a girder roof structure like commercial
buildings with a poured concrete roof. Your weakness is the
penetrations but we are seeing very capable impact windows and if you
backed that up with 200 MPH hurricane shutters your protection would
be up in the F4 category. The latter being a big part of the extra
cost.
Totally different concept than the "core house" and closer to
affordable - and getting into the "highly tornado resistant" home -
effective against most tornados below F5 category with only minor
damage - and still acceptable aesthetics..
We are on the edge of "tornado alley north" up here between the
lakes, with the Fergus, Orangeville, Grand Valley, Durham, Barrie
areas fairly succeptible.
One advantage we have up here is "trailer homes" are virtually
unheard-of except in campgrounds, unlike much of the American
countryside where "redneck bungalows" are very common "permanent
homes" - and they don't stand a chance much above an F1 - and also
much of the American housing stock has no basements. Most homes here
are built on a fully excavated poured concrete foundation, providing a
full basement. We are seeing more and more ICF for that application,
as well as some higher end homes being built completely in ICF - some
with stucco finish, some with concrete or clay brick veneer, and the
occaisional one with vinyl or metal siding. Siding doesn't stand up
well to F2 or above.
Storm shutters are not common here so window and door openings are
still problematic (particularly with siding flying around) - as are
roofs (Flat roofs are not common - not good for snow loads etc)

You would be putting a stucco finish on the concrete building as we
already do here anyway (CBS) so it would blend in well. The only thing
you might have to do to make it look "normal" and deal with snow would
be to put a pitched roof instead of totally flat. Build a rebar "A"
frame and shoot that with Gunite and mortar roof tile on that.
As I said in another note, it is basically an upside down swimming
pool.
You could easily go for a Frank Lloyd Wright style if you do like the
boxy look. If this is poured like a parking deck, I am still not sure
why you would care about snow load anyway. Obviously we don't really
give a damn about down load here, uplift is the big thing in
engineering.
This is all within the scope of engineering, in fact a coastal shed
(or any structure) in South Florida is engineered for 160-180 MPH
winds depending on where you are. That gets you up into the low end of
an F3.
http://gfretwell.com/electrical/2012...code%20map.jpg

On Thu, 09 Feb 2017 16:45:08 -0500, wrote:

Totally different concept than the "core house" and closer to
affordable - and getting into the "highly tornado resistant" home -
effective against most tornados below F5 category with only minor
damage - and still acceptable aesthetics..
We are on the edge of "tornado alley north" up here between the
lakes, with the Fergus, Orangeville, Grand Valley, Durham, Barrie
areas fairly succeptible.
One advantage we have up here is "trailer homes" are virtually
unheard-of except in campgrounds, unlike much of the American
countryside where "redneck bungalows" are very common "permanent
homes" - and they don't stand a chance much above an F1 - and also
much of the American housing stock has no basements. Most homes here
are built on a fully excavated poured concrete foundation, providing a
full basement. We are seeing more and more ICF for that application,
as well as some higher end homes being built completely in ICF - some
with stucco finish, some with concrete or clay brick veneer, and the
occaisional one with vinyl or metal siding. Siding doesn't stand up
well to F2 or above.
Storm shutters are not common here so window and door openings are
still problematic (particularly with siding flying around) - as are
roofs (Flat roofs are not common - not good for snow loads etc)

If you build a tornado proof home, you do not want door and windows.
Eliminate them completely. In order to enter these homes, you want a
tunnel under the home, that exits at least 50 feet from the home, and
runs underground. Six foot diameter concrete sewer pipes can be used as
this tunnel. Where it exits the ground, have a concrete stairway with
concrete walls around it, and a heavy one inch thick steel plate over
the top, that lifts up. and is operated by hydraulic cylinders. This
steel plate should be closed and latched at all times, except when
entering or exiting the home.