Passo a passo do pilar intermediário

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ROTEIRO DE CALCULO PARA PILAR DE CENTRO - P15
DADOS DO PILAR
≔Nk 814 kN
≔le 288 cm
≔hy 19 cm
≔hx 40 cm
≔Ac =⋅hy hx 760 cm²
≔γn 1
≔γf 1.4
≔fck 3 ――
kN
cm²
≔fcd =――
fck
γf
2.143 ――
kN
cm²
≔fyk 50 ――
kN
cm²
≔d'x 4 cm
≔αb 1
a) Esforços solicitantes do pilar
≔Nd =⋅⋅γn γf Nk 1139.6 kN
b) Indice de esbeltez
≔λx =―――
⋅3.46 le
hx
24.912
≔λy =―――
⋅3.46 le
hy
52.446 aplicar efeitos de 2ª ordem
c) Momentos minimos 
≔M1d.min.x =⋅Nd (( +1.5 ⋅0.03 hx)) 3076.92
≔M1d.min.y =⋅Nd (( +1.5 ⋅0.03 hy)) 2358.972
≔e1x.min.x =――――
M1d.min.x
Nd
2.7 cm
≔e1x.min.y =――――
M1d.min.y
Nd
2.07 cm
d) Momento de 2ª ordem
≔v =―――
Nd
⋅Ac fcd
0.7
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≔r =――――
0.005
⋅hy (( +v 0.5))
⋅2.193 10−4
≔e2y =⋅――
le2
10
r 1.819 cm
≔Md.tot.y =+⋅αb M1d.min.y ⋅Nd e2y 4432.269 ⋅kN cm
≔μx =――――
M1d.min.x
⋅⋅hx Ac fcd
0.047 =――
d'x
hx
0.1
≔μy =――――
Md.tot.y
⋅⋅hy Ac fcd
0.143 =――
d'x
hy
0.211 ≔wy 0.35
≔As =――――
⋅⋅wy Ac fcd
――
fyk
1.15
13.11 cm²
Created with PTC Mathcad Express. See www.mathcad.com for more information.