Questions below new bridge

Published: Saturday, Nov. 12, 2011
Massive concrete and steel piles underpin the new Bay Bridge self-anchored suspension span that will open in 2013. Irregularities in Caltrans integrity tests and issues of pile design have raised questions about pile reliability in a worst-case earthquake. Most of the piles supporting the main bridge tower were tested by Duane Wiles, a technician who falsified other tests and later misrepresented his actions.
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