NBR 6118
NBR 6118
NBR 6118
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VigasExemplob) ELS – Estado Limite de DeformaçãoHipótese 1 – Linha neutra na mesab fxb fMódulo 42 AsAsx + 2. αe.. x − 2. n.. d = 0b bh fEs210000αe= = = 8,82E 23800cw2 12 12x + 2.8,82. . x − 2.8,82. .45 = 065 65x = 10,59cm> h f = 7 cmwd<strong>NBR</strong> <strong>6118</strong> PROJETO DE ESTRUTURAS DE CONCRETO : PROCEDIMENTO D A T A 0 0 / 0 0 / 0 0VigasExemplob) ELS – Estado Limite de Deformação– (cont.)Hipótese 2 – Linha neutra na almab f b f -b wA swMódulo 4x = 11,10cmh fx0,8xdAsA sfbb ww2,hf, ,[( b − b ) ⋅h+ α ⋅( A + A )] ⋅ x − ( b − b ) ⋅ −α⋅( A ⋅d+ A ⋅d)2bw× x+f w f e s2215×x+227,5. x + 455,84. x − 5987,6 = 0s[( 65 −15) ⋅7+ 8,82⋅( 12)] ⋅ x − ( 65 −15) ⋅ −8,82⋅( 12.45)fw2722eS= 0S= 0<strong>NBR</strong> <strong>6118</strong> PROJETO DE ESTRUTURAS DE CONCRETO : PROCEDIMENTO D A T A 0 0 / 0 0 / 0 0
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