An earthquake safety revolution is spreading along the streets and back alleys of Los Angeles, as steel frames and strong walls appear inside the first-story parking garages of thousands of apartment buildings.
The construction is designed to fix one of the most dangerous earthquake risks: Wood apartment buildings collapsing because the skinny poles propping up parking at the ground level are not strong enough to withstand the shaking.
— The Los Angeles Times
A building permit analysis conducted by The Los Angeles Times has found that over 27% of Los Angeles’s 11,400 "soft story" wood-frame apartments have been retrofitted since 2015 when the city passed an aggressive seismic upgrading ordinance.
"Soft story" buildings are built with an inadequate amount of shear resistance at their bases, a condition that can cause lower floor walls to snap or skew under the weight of the building above during seismic events.
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