[Cob] earthquake test # 2

[Amanda Peck]

Great!

Ian wrote (snipped):

Re: Siesmic Test # 2

Today, with the hydraulics repaired, we successfully conducted our tests. 
The model, which was about 6 ft diameter and 5 ft high, easily handled a 7.4 
richter quake with only minor cracks. And this was after the previous 
pounding that certainly compromised the structure for todays testing. This 
quake simulated a particular quake in California that was particularily 
destructive to buildings. Finally, the building was given a 2 g force shake, 
something closer to a 9 richter and at the epicenter. As was expected the 
building was shaken apart. This would be a very rare quake and no building 
would easily survive this level of quake.

Amazingly, despite such a violent shake, the building remained standing, 
though large chunks of cob had fallen away from the building.

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