Chemistry">
T5 - Diseño de Diagonal Hss PDF
T5 - Diseño de Diagonal Hss PDF
T5 - Diseño de Diagonal Hss PDF
ESTRUCTURAS DE ACERO
ALUMNO:
BERNABE RODRIGUEZ CHAVERO
MAESTRO:
ING. LUIS EDUARDO CALDERON RIVAS
-Revisión ancho-espesor.
𝑏 𝐸 2.04𝑥106
≤ 0.45ඨ 5.5 ≤ 0.45ඨ
𝑡 𝐹𝑦 3235
5.5 ≤ 11.30
-Relacion de esbeltez
𝑙 900
= = 106.13 > 80
𝑟 8.48
𝑘𝑙
= 32 + 1.25ሺ106.13ሻ =164.66
𝑟
164.64 ≤ 200
-Esfuerzo de Euler
ሺ𝜋2 ሻሺ2.04𝑋106 ሻ 2
= ሺ164.64ሻ2
=742.77 kg/cm
𝒌𝒍 𝑬
൬ ൰ ≥ 𝟒. 𝟕𝟏ඨ
𝒓 𝑭𝒀
164.66≥ 𝟏𝟏𝟖. 𝟐𝟕
-Esfuerzo Critico Fr
𝐹𝑐𝑟 = 0.887 𝐹𝑒
-Resistencia Nominal
𝑃𝑛 =𝐹𝑐𝑟 𝐴𝑔
𝑃𝑛 658.84
= =394.51 𝑘𝑔/𝑐𝑚2
𝛺 1.67
𝑃𝑢 101𝑥1000
𝐴𝑔 = = = 170 cm2
Ø𝐹𝑐𝑟 592.96
𝑃𝑛 70 𝑥 1000
𝐴𝑔 = 𝑃𝑛 = = 177.43 𝑐𝑚2
394.51
𝛺
𝑘𝑔
𝑃𝑛 = ൬658.84 2
൰ ሺ177.43 𝑐𝑚2 ሻሺ10−3ሻ
𝑐𝑚
𝑃𝑛 = 116. 90𝑇𝑜𝑛
DRP (ASD)
116.9
= 70 𝑇𝑂𝑁 ≥ 𝑃𝑎
1.67
∴ 𝑆𝑒 𝑎𝑐𝑒𝑝𝑡𝑎
DFCR (LRFD)
116.9 ∗ 0.9 = 105.21 𝑇𝑂𝑁 ≥ 𝑃𝑢
∴ 𝑆𝑒 𝑎𝑐𝑒𝑝𝑡𝑎