A recent series of dynamic tests demonstrates that there are several types and doses of steel-fiber reinforcement that can be used in performance-based seismic design of coupling beams—headers that ...
A ground beam is a reinforced concrete beam for supporting walls at ground level. Its purpose is to link the piles together and provide a platform for further superstructure construction. A beam is a ...
You may have seen them coming down Interstate 90, riding at about 45 mph with an Illinois State Police escort like visiting dignitaries. They are concrete beams, each measuring as much as 71/2 feet ...
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