Formulario Deflexion.pdf

CALCULO DE LA DEFLEXIÓN

1.-Deflexión instantánea -Fi ⋅ ((L)) 2 ⎛ e2 - e1 ⎞ Δf ≔ ―――― ⋅ ⎜e1 + ――― ⎟ 8 ⋅ Eci ⋅ Ig ⎝ 3 ⎠ 5 ⋅ Wg ⋅ L 4 Δg ≔ ―――― 384 ⋅ Eci ⋅ Ig Δt ≔ Δf + Δg Deflexiones a largo plazo 2.- Método Heurístico Δañadido ≔ 1.8 ⋅ Δf + 2.2 Δg Δth ≔ Δt + Δañadido 3.-Aproximación de Martin 1 Kr ≔ ――― As 1 - ―― Aps Eci λ ≔ η ⋅ ―― ⋅ Kr ⋅ Ccu Ec Δañadida ≔ λ ⋅ Δt Δtm ≔ Δt + Δañadida η ＝ ηI ⋅ ηD ⋅ ηR

4.-Aproximación de Branson ⎞ ⎛ 1+η Δañadida ≔ ⎜η - 1 + ――⋅ Kr ⋅ Ccu⎟ ⋅ ⎛⎝Δf⎞⎠ + ⎛⎝Kr ⋅ Ccu ⋅ Δg⎞⎠ 2 ⎝ ⎠ Δtb ≔ Δt + Δañadida 5.- ACI ξ λ ≔ ――― 1 + 50 ⋅ ρ Δañadida ≔ λ ⋅ Δt Δtaci ≔ Δañadida + Δt 6.-Limites Según ACI 5 ⋅ ⎛⎝Wl⎞⎠ ⋅ L 4 Δll ≔ ―――― 384 ⋅ Ec ⋅ Ig