0 m 5 a 30 cm n = 1290 kn base - lmc.ep.usp.br pilar.pdf · ex. pilar dimensionar e detalhar as...
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![Page 1: 0 M 5 A 30 cm N = 1290 kN base - lmc.ep.usp.br Pilar.pdf · Ex. Pilar Dimensionar e detalhar as armaduras do lance de pilar, ... =5,0cm 2) 30 cm A M dy 5 0 c M dx x y A A A M 1dx](https://reader035.vdocuments.pub/reader035/viewer/2022070616/5d1ab04988c9935d598c6aee/html5/thumbnails/1.jpg)
PEF 2304 – Estruturas de Concreto II 23.09.14
Ex. Pilar Dimensionar e detalhar as armaduras do lance de pilar,
considerando o arranjo indicado na figura abaixo. Dados: concreto – C30 (fck=30MPa), aço CA50 (fYk=500MPa), Nd = 1290 kN
cobrimento - c=3,0cm; distância piso a piso 5,0m; hx=50cm; hy=30cm;
12,5mm (As=1,25cm2); 16mm (As=2,0cm2); 20mm (As=3,15cm2) e 25mm (As=5,0cm2)
30 cm
A
Mdy
50
cm
Mdx
x
y
A
A
A
M1dx
135
(kN.m)
189
M1dy
72
(kN.m)
135
5,0 m
N = 1290 kNd
topo
base Formulário:
A
A
Bd
C MM
MM
)4,06,0(
4,0
1
,
)(
min,1 )03,0015,0(
m
dd hNM ,h
NMd
edd
)5,0(
005,0
10
1
2
2
)9035(
)2(
)2(,
efetivo
ábacoscorrigidos
dh
dhAA
, correção da armadura
![Page 2: 0 M 5 A 30 cm N = 1290 kN base - lmc.ep.usp.br Pilar.pdf · Ex. Pilar Dimensionar e detalhar as armaduras do lance de pilar, ... =5,0cm 2) 30 cm A M dy 5 0 c M dx x y A A A M 1dx](https://reader035.vdocuments.pub/reader035/viewer/2022070616/5d1ab04988c9935d598c6aee/html5/thumbnails/2.jpg)
![Page 3: 0 M 5 A 30 cm N = 1290 kN base - lmc.ep.usp.br Pilar.pdf · Ex. Pilar Dimensionar e detalhar as armaduras do lance de pilar, ... =5,0cm 2) 30 cm A M dy 5 0 c M dx x y A A A M 1dx](https://reader035.vdocuments.pub/reader035/viewer/2022070616/5d1ab04988c9935d598c6aee/html5/thumbnails/3.jpg)
![Page 4: 0 M 5 A 30 cm N = 1290 kN base - lmc.ep.usp.br Pilar.pdf · Ex. Pilar Dimensionar e detalhar as armaduras do lance de pilar, ... =5,0cm 2) 30 cm A M dy 5 0 c M dx x y A A A M 1dx](https://reader035.vdocuments.pub/reader035/viewer/2022070616/5d1ab04988c9935d598c6aee/html5/thumbnails/4.jpg)
disposições construtivas:
810 minh
mm ,
m i n2
40
4
4
h
cms
cm
,
mm
t5
4 ,
m i n
12
20
h
cm
st ,
cs
yd
d
c
AA
f
N
A
08,015,0
004,0
min,
ts 20 (travamento para armadura longitudinal)
Diagrama de Interação – Flexão Oblíqua Composta