11.07.2015 Views

Progettazione soglie e briglie

Progettazione soglie e briglie

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DIMENSIONAMENTO DEL CORONAMENTOShh GC/2CC/2f ⋅FoVerifica scorrimentoFV= γ= γ>hFGoA( h + C / 2 ) ⋅ ( C ⋅ 1)fS⋅ γ>Cγ⋅ C ⋅ S > γ( h + C / 2)f⋅ γC( h + C / 2)⋅ CPer: f = 0.75; γ / γ C = 1/2FV= γC⋅ CS > 0.67 h⋅SOPEREA SECCO⎛⎜⎝SPESSORE CORONAMENTO ED ALI (parte strutturale debole)AS h RSez. A-AB C B CADTrazione nulla: risultante cade in D (2/3 dallo spigolo)12( γ h s)⎞ h⎛ S S ⎞ 1 3γ h ⎟ =C⋅ ⎜ − ⎟ γ h = γ⎠ 3⎝ 2 3 ⎠ 622 SCh6S⎛ γ ⎞= ⎜⎟⎝ γC ⎠ΣM1/ 2hD= 0(γ / γ C= ½)S = 0. 7h

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