[GSBN] earthquake footings

Valentina Maini vmaini at mac.com
Thu Nov 6 01:02:01 CST 2014

Nice video Derek,

Happy to see that more lowtech solution are being develloped.

I have seen the same concept but with high cost materials such as Shape Memory Alloy

I wonder about combination of sismic and hurricane..the house can fly away...

Valentina Maini
vmaini at mac.com

> El 05/11/2014, a las 22:24, Derek Stearns Roff <derek at unm.edu> escribió:
> 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.  
> 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
> Derek
> Derek Roff
> derek at unm.edu
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