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Underground Structures / AASHTO 3.24.3 or 3.24.6 For Top Slab Design

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Snow2010

Snow2010

Structural
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Mar 10, 2010
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AASHTO 3.24.3 (17TH ED) considers Case A and Case B for slab design.
Case A - Main Reinf. -Traff. Perpendicular
Case B - Main Reinf. - Traffic Parallel

AASHTO 3.24.6 (17th Ed.) uses proportioning of load for reinf in either direction.

3.24.6 gives way lesser amount of reinf versus 3.24.3. UGiven same geo and struct conditions; which method should we use. any things to look out for if go with 3.24.6?
 
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