The Sacramento Bee has rejected a request from Caltrans Director Malcolm Dougherty to retract its story raising questions about the structural integrity of a foundation of the new San ...
SACRAMENTO BEE:Caltrans said it did not have the report from a crosshole sonic test showing a 19-foot concrete anomaly in Pile 3 until last fall, almost five years after the test. Independent experts ...
Ultrasonic nondestructive testing, also known as ultrasonic NDT or simply UT, is a method of characterizing the thickness or internal structure of a test piece using high-frequency sound waves. The ...
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