According to the California Earthquake Authority, more than 1.2 million houses in California were built before 1980 in high-hazard areas that are vulnerable to ...
The announcement came just before ShakeOut, California’s annual earthquake safety ... to $13,000 toward the retrofit, which could include the installation of a new foundation, anchor bolts ...
In-fill wall retrofit has been used in many multi-column bridge bents ... In that test the model was subjected to a series of simulated earthquakes starting with small amplitudes and then gradually ...
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