[Cob] bam photo

[Yun Que]

   Cat here,  I lived in CA during the quake that took out the high way
   near San Francisco.  I was 45 min away.  The land rolled like ocean
   waves the walls of the houses rippled like jello.  Most folks went out
   to areas where nothing could fall on them and waited it out.  So maybe
   lots of doors out of the house with several areas where nothing can
   fall on you!  Timber frame roof systems are more flexible.  In this
   area the barns built this way are difficult to demolish even with
   heavy equipment. When left to themselves they sag and slowly lower
   themselves to the ground sometimes with their joints and pegs still in
   place.  The pictures convince me that earth building  certainly holds
   up well under stress considering the age of the construction!! The
   highway that collapsed was steel reinforced concrete twisted
   like spaghetti.

   For me I'll put my faith in little strands of straw and clay.  Read a
   book on pottery that explained the structure of clay and why it needs
   to be pounded to work well.  Clay is like little platelets that as
   they are moved with water slide into and interlocked system.  The
   water acts as the lubricant, and the movement squeezes the water out
   locking the plates into one an other.  I didn't explain it as well as
   the book but I hope you get the picture
   for the good of all C.
   >From: "Mary Hooper" >To: "Elizabeth" ,"coblist" >Subject: Re: [Cob]
   bam photo >Date: Thu, 12 Feb 2004 02:45:36 -0500 > >Elizabeth wrote: >
   > From what I have read, most damage was to buildings described as
   >"unreinforced adobe brick", which I know is a very different building
   >method. At any rate, this photo is sobering. >++++++++ >Eliz: >Don't
   forget that Bam has been there about a 1000 years, I think. A pretty
   >good lifespan in earthquake territory. Any building that is hit dead
   on by >an earthquake is likely to crumble...... My suggestion: Unless
   you're >planning to build on a fault line, stay sober, but don't let
   Bam keep you >awake at night. Life is too short. :-) >Mary in NC > > >
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