Deflection Design EURO CODE
19
DEFLECTION Percentage of required tension reinforcement ρ 122.16 150 326 0.0025 Reference reinforcement ratio ρₒ 30 0.005 Percentage of required compression reinforcement ρ´ 0 150 326 0 Factor for structural system , K = 1.5 Use equation 1 1.5 11 18.01326 22.82446 77.75659 1)modification factor for ratio of the flange width to the w 0.460123 >3 ; 0.8 x (l/d) 1 2)Modification factor for span greater than 7 m 3700 < 7 m 7/span x (l/d) 1 3)Modification factor for As prov >As req 226 > 122.16 Asprov/As req x ( 1.850033 <= 1.5 Therefore allowable span-effective depth ratio l/d allowable l/d X (1) X (2) X (3) 77.75659 1 1 1.5 143.8522 actual span-effective depth l/d actual span/d if ρ < ρₒ
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Transcript of Deflection Design EURO CODE
deflection case 1DEFLECTIONPercentage of required tension reinforcementSpan,L=3700size b=150122.16150326size d=3260.0025fck=30fyk=500Reference reinforcement ratioAs,req=122.16As'req=030As prove=2260.005As'prove=0flange width150Percentage of required compression reinforcement101503260
Factor for structural system , K =1.5if < Use equation 1
1.51118.013261296722.82446255877.756585782
1)modification factor for ratio of the flange width to the web exceed 3
0.4601226994>3 ;0.8 x (l/d)1
2)Modification factor for span greater than 7 m
3700< 7 m7/span x (l/d)1
3)Modification factor for As prov >As req
226>122.16Asprov/As req x (l/d)1.85003274393 ;0.8 x (l/d)use=0.8
2)Modification factor for span less than 7 m
3600> 7 m7/span x (l/d)use =1
3)Modification factor for As prov >As req
452>345.38Asprov/As req x (l/d)1.3093 ;0.8 x (l/d)use=0.8
2)Modification factor for span less than 7 m
3600> 7 m7/span x (l/d)use =1
3)Modification factor for As prov >As req
452>345.38Asprov/As req x (l/d)1.309 equation 2
11118.0132612967029.013
1)modification factor for ratio of the flange width to the web exceed 3
0>3 ;0.8 x (l/d)use=0.8
2)Modification factor for span less than 7 m
3700> 7 m7/span x (l/d)use =1
3)Modification factor for As prov >As req
226>122.16Asprov/As req x (l/d)1.850
