Passive Earthquake Proofing w/ Dry Stone
in [Basics]
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From: Jasen Betts on 11 May 2010 04:29 On 2010-05-10, john <vegan16(a)accesscomm.ca> wrote: > On May 9, 8:54 pm, Bret Cahill <BretCah...(a)peoplepc.com> wrote: >> http://en.wikipedia.org/wiki/Earthquake_engineering#Friction_pendulum... >> >> "People of Inca civilization were masters of the polished dry-stone >> walls, called ashlar, where blocks of stone were cut to fit together >> tightly without any mortar. >> >> . . . >> >> "Peru is a highly seismic land, and for centuries the mortar-free >> construction proved to be apparently more earthquake-resistant than >> using mortar. The stones of the dry-stone walls built by the Incas >> could move slightly and resettle without the walls collapsing which >> should be recognized as an ingenious passive structural control >> technique " > > But were they cut? > I've heard that story before. Yeah, ball and socket not unlike giant Lego. --- news://freenews.netfront.net/ - complaints: news(a)netfront.net --- |