9. Doubly Reinforced Beams Presentation.ppt

9. Doubly Reinforced Beams Presentation.ppt - Doubly...

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Doubly Reinforced Beams American Concrete Institute (ACI) 318-14
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Definitions and Why Space Restrictions Increases Ductility Reduces Deflections Compression Steel (A’ s ) Tension Steel (A s ) Ties
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ACI Code Requirements Enclosed Compression Reinforcement with Ties (9.7.6.4) Spacing (s) S ≤ 16(d b ) 48(tie bar d b ) Least lateral dimension of cross section Size Bar size ≤ #10 use #3 ties Bar size > #10 use #4 ties
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a 1 C = 0.85 f’
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  • Spring '18
  • Cousins
  • Pallavolo Modena, Sisley Volley Treviso, Associazione Sportiva Volley Lube, American Concrete Institute, 9.7.6.4

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