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Computer Aided Design - CAD > Autodesk software > Re: Engineering...
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Re: Engineering question of the day

by "EDS" <snowed@[EMAIL PROTECTED] > Feb 21, 2008 at 06:56 PM

"Kris Krieger" <me@[EMAIL PROTECTED]
> wrote in message 
news:13rrtvme4hgpk15@[EMAIL PROTECTED]
> "EDS" <snowed@[EMAIL PROTECTED]
> wrote in
> news:-ZadneP_QaP9eyDanZ2dnUVZ_tajnZ2d@[EMAIL PROTECTED]
>
>>
>>
>> "Kris Krieger" <me@[EMAIL PROTECTED]
> wrote in message
>> news:13rremj9g2vhqcd@[EMAIL PROTECTED]
>>> "EDS" <snowed@[EMAIL PROTECTED]
> wrote in
>>> news:Y_idnbsu89DaMSDanZ2dnUVZ_oaonZ2d@[EMAIL PROTECTED]
>>>
>>>>
>>>>
>>>>
>>>> "Kris Krieger" <me@[EMAIL PROTECTED]
> wrote in message
>>>> news:13rr935mro2u702@[EMAIL PROTECTED]
>>>>> "EDS" <snowed@[EMAIL PROTECTED]
> wrote in
>>>>> news:n4-dnRsAvdl2NyHanZ2dnUVZ_rWtnZ2d@[EMAIL PROTECTED]
>>>>>
>>> [snipped]
>>>>>>>
>>>>>> Yes, but the CMU house can be moved, but requires more care.
>>>>>> EDS
>>>>>>
>>>>>
>>>>> DO you think,then, that there is a use/market for perfab concrete
>>>>> buildings (residential or commercial)?  Would there be an advantage
>>>>> to that?  I know that prefabbed "stick" houses have the advantage
>>>>> of having all the [parts built in dry conditions, and that the
>>>>> assembly is fast. Anything similar for concrete?
>>>>>
>>>>>
>>>>>
>>>> Actually yes, particularly precast concrete. I do a lot of water
>>>> treatment and sewer treatment facilities. The smaller pump stations,
>>>> up to about 11 x 30 are often just precast boxes, with openings for
>>>> doors, louvers, etc. We lower them into the ground, fasten to a
>>>> tiedown slab (to prevent uplift), stack to height required, then
>>>> waterproof exterior. If exposed, they get faced with singles or
>>>> brick and a pitched roof.
>>>
>>> Oh!  Hmm, so what is the cost of, say, two of those 11'X30' precast
>>> units, compared with the cost of a similarly-sized one storey house
>>> structure (not lal the plumbing etc), IOW, what I'm wonering is
>>> whetehr it'd be economical to put up dwellings in a similar way?
>>>
>>>> Add lattice work to the outside and a wisteria
>>>> vine and everyone is happy.
>>>
>>> And IIRC, if you use native North American wisteria, it doesn't get
>>> as crazy-huge as does the common CHinese wisteria <g!>
>>>
>>>> In the late 60's I worked on precast
>>>> apartment blocks with concrete walls. Tenants were not to happy with
>>>> those cold walls. Also tried 3/4" brick facing cast into precast
>>>> exterior walls. Worked great, but looked fake as it was too perfect.
>>>> EDS
>>>
>>> Seriously...?  I've lived in low-rises, where the walls are pretty
>>> much just regular hosue-type walls, and you could hear *everything*,
>>> including, er, bathroom functions.  You could also *smell*
>>> everything, which is bad when the neighbors' place reek slike rotting
>>> garbage.  It was *maddening* - one of those things that makes you
>>> understand why people start shooting off guns...  It seems to me that
>>> concrete would be much quieter.  ALso, why not put up a few studs on
>>> each side fo the concrete, throw in some insulation, and cover with
>>> sheetrock?  Sheetrock has to be put up anyway, doesn't it?
>>>
>>> It makes me wonder why that method is so rare.  Isther eless
>>> stability, strength, or longevity?  I'm curious about this.  It
>>> *seems* like there would be a great amny advantages to modular
>>> building, so all I can think is that it must be as expensive as all
>>> hell...
>>>
>>>
>>
>> I like the Chinese Wisteria. In Boston we had a really ugly fire
>> escape on the front of the house, so I planted a Wisteria. Within 5
>> years it had climbed to the roof, 4 stories above, and formed a
>> complete cover for the house front. My kids hacked out a "wisteria
>> house" outside the top floor windows on the top F.E. platform and
>> spied upon and dropped water bombs on their friends. When we remodeled
>> 10 years later, we found that the wisteria had bent the steel F.E.
>> sup****ts. I presently have a wisteria that covers my ****ch each
>> summer.
>
> Each has their uses.  Sometimes, a smaller one is appropriate.  Also,
> WIsteria can go truely rampant in a mild climate...  I don't recall how
> they climb - some tendrils can invade morter, and some vines (IIRC,
> Trumpet Vine is one) also have sucker-like things that seem to create a
> sort of "glue".
>
> So you have to check the moreter etc. to be sure that you have your
> structural integrity intact.  I don't recall how long all of this takes;
> jsut tht it's a possiblity that makes checking a good idea.
>
> They do smell great, tho' ;)
>
>
>>
>> The projects I mentioned just painted the concrete, as wallboarding
>> would have added costs. In the 60's nobody talked about insulation.
>
> THat's true.  OTOH, could it be retrofitted...?
>
>> These were HUD 221d3 blocks and gov't recommended insulation was none
>> in the walls and 1" Styrofoam on the roof. The exterior walls had
>> condensate on them in the winter and ice in the hallways. Cost for
>> each apt. could not to exceed $14,500, or about $20 per square foot.
>> Concrete is quieter, but impact (such as high heels on floors) comes
>> right through. Hell to hang pictures on also ;-) Don is right, the
>> road to Hell is paved with good government intentions. EDS
>
> True, bare bones like that wouldn't work well at all...
>
>
Wisteria climb by wrapping tendrils around trees, fencing, fire escapes, 
etc. They do grow fast, do not damage masonry.
EDS
 




 37 Posts in Topic:
Engineering question of the day
Cliff <Clhuprich@[EMAI  2008-02-19 00:09:08 
Re: Engineering question of the day
"Don" <one-i  2008-02-19 07:46:36 
Re: Engineering question of the day
"Chuck News" &l  2008-02-20 00:39:25 
Re: Engineering question of the day
"mr.T" <mr.T  2008-02-19 09:41:12 
Re: Engineering question of the day
<gary@[EMAIL PROTECTED  2008-02-19 13:37:16 
Re: Engineering question of the day
Cliff <Clhuprich@[EMAI  2008-02-26 08:13:37 
Re: Engineering question of the day
Troppo <troppo19@[EMAI  2008-02-19 20:31:51 
Re: Engineering question of the day
"Don" <one-i  2008-02-19 16:10:01 
Re: Engineering question of the day
Troppo <troppo19@[EMAI  2008-02-20 10:44:46 
Re: Engineering question of the day
"Don" <one-i  2008-02-20 07:40:58 
Re: Engineering question of the day
"EDS" <snowe  2008-02-20 11:56:44 
Re: Engineering question of the day
"Michael Bulatovich&  2008-02-20 13:36:28 
Re: Engineering question of the day
"Ken S. Tucker"  2008-02-23 17:18:41 
Re: Engineering question of the day
"Don" <one-i  2008-02-23 20:40:31 
Re: Engineering question of the day
"Ken S. Tucker"  2008-02-20 11:15:56 
Re: Engineering question of the day
"EDS" <snowe  2008-02-20 16:39:18 
Re: Engineering question of the day
"Don" <one-i  2008-02-20 17:15:44 
Re: Engineering question of the day
"EDS" <snowe  2008-02-20 17:34:26 
Re: Engineering question of the day
Kris Krieger <me@[EMAI  2008-02-21 10:18:41 
Re: Engineering question of the day
"Don" <one-i  2008-02-21 11:39:13 
Re: Engineering question of the day
Kris Krieger <me@[EMAI  2008-02-21 11:43:11 
Re: Engineering question of the day
"Don" <one-i  2008-02-21 15:06:58 
Re: Engineering question of the day
Kris Krieger <me@[EMAI  2008-02-21 16:09:25 
Re: Engineering question of the day
"EDS" <snowe  2008-02-21 11:52:32 
Re: Engineering question of the day
Kris Krieger <me@[EMAI  2008-02-21 11:54:23 
Re: Engineering question of the day
"EDS" <snowe  2008-02-21 16:00:26 
Re: Engineering question of the day
Kris Krieger <me@[EMAI  2008-02-21 16:15:14 
Re: Engineering question of the day
"EDS" <snowe  2008-02-21 18:56:18 
Re: Engineering question of the day
Kris Krieger <me@[EMAI  2008-02-21 18:21:49 
Re: Engineering question of the day
"EDS" <snowe  2008-02-21 20:03:16 
Re: Engineering question of the day
Kris Krieger <me@[EMAI  2008-02-22 09:56:05 
Re: Engineering question of the day
"EDS" <snowe  2008-02-22 12:42:07 
Re: Engineering question of the day
Kris Krieger <me@[EMAI  2008-02-22 17:33:06 
Re: Engineering question of the day
++ <friend@[EMAIL PROT  2008-02-22 18:36:35 
Re: Engineering question of the day
"EDS" <snowe  2008-02-22 20:25:47 
Re: Engineering question of the day
"Ken S. Tucker"  2008-02-21 12:34:02 
Re: Engineering question of the day
Greg Locock <greglococ  2008-02-21 19:56:58 

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tan12V112 Wed Aug 20 14:16:59 CDT 2008.