<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Nice video Derek,</div><div><br></div><div>Happy to see that more lowtech solution are being develloped.</div><div><br></div><div>I have seen the same concept but with high cost materials such as Shape Memory Alloy</div><div>Ex:<a href="http://m.phys.org/news/2013-08-strong-elastic-smart-materials-aid.html">http://m.phys.org/news/2013-08-strong-elastic-smart-materials-aid.html</a></div><div><br></div><div>I wonder about combination of sismic and hurricane..the house can fly away...</div><div><br></div><div>Valentina Maini</div><div><a href="mailto:vmaini@mac.com">vmaini@mac.com</a></div><div><br>El 05/11/2014, a las 22:24, Derek Stearns Roff <<a href="mailto:derek@unm.edu">derek@unm.edu</a>> escribió:<br><br></div><blockquote type="cite"><div><span>I don’t know what percentage of us design or build in areas of high earthquake risk.  I was intrigued with the 10 minute video linked below, which describes building a house connected to the foundation only by gravity.  The house sits on a number of plastic pads, each about 100mm in diameter.  Each pad sits in a shallow dish 750mm in diameter.  The idea is that the ground can shake and move under the house, while the house itself will move to a smaller extent, with lower acceleration.  The dished support plates encourage the house to re-settle near the center of the dishes.  Professors and students from several universities are shown in the video.  They claim “damage-free” in a 6.9-magnitude earthquake, simulated on a full-scale shake table test.  </span><br><span></span><br><span><a href="http://www.finehomebuilding.com/item/37953/the-house-that-shrugs-off-an-earthquake?&lookup=auto&V27=&V28=&V29=&V30=&V31=&V32=&V33=&V34=&V35=&V55=&V56=&Taun_Per_Flag=True&utm_source=eletter&utm_medium=eletter&utm_content=fhb_eletter&utm_campaign=fine-homebuilding-eletter">http://www.finehomebuilding.com/item/37953/the-house-that-shrugs-off-an-earthquake?&lookup=auto&V27=&V28=&V29=&V30=&V31=&V32=&V33=&V34=&V35=&V55=&V56=&Taun_Per_Flag=True&utm_source=eletter&utm_medium=eletter&utm_content=fhb_eletter&utm_campaign=fine-homebuilding-eletter</a></span><br><span></span><br><span>Derek</span><br><span></span><br><span>Derek Roff</span><br><span><a href="mailto:derek@unm.edu">derek@unm.edu</a></span><br><span></span><br><span></span><br><span>_______________________________________________</span><br><span>GSBN mailing list</span><br><span><a href="mailto:GSBN@sustainablesources.com">GSBN@sustainablesources.com</a></span><br><span><a href="http://sustainablesources.com/mailman/listinfo.cgi/GSBN">http://sustainablesources.com/mailman/listinfo.cgi/GSBN</a></span><br></div></blockquote></body></html>