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8/17/2019 Mathcad - Calculo de Silla Estanque Almacenamiento
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Calculo de Silla estanque de almacenamiento
1. Calculo de capacidad de perno
d 1.5in:=
fy 36000psi:=
nt 8in
25.4in mm⋅ 0.315 mm
1−⋅=:= Numero de hilos por mm
Aef
π
4 d
0.9743
nt−
2
⋅ 1.492 in
2
⋅=:= Area efectiva segun formula ACI318 Apendice D
P fy Aef ⋅ 5.371 104
× lbf ⋅=:= Capacidad maxima del perno
2. Calculo de silla
a 180mm 7.087 in⋅=:=
b 180mm 7.087 in⋅=:=
c 32mm 1.26 in⋅=:=
e 90mm 3.543 in⋅=:=
f 50mm 1.969 in⋅=:=
g 100mm 3.937 in⋅=:=
fyp 36000psi:=
t 14.4mm 0.567 in⋅=:= Sin Corrosión
m 8mm 0.315 in⋅=:=
D 9180mm 361.417 in⋅=:=
R D
2180.709 in⋅=:=
h 480mm 18.898 in⋅=:=
16mm 0.63 in⋅=:=
! 100mm 3.937 in⋅=:=
8/17/2019 Mathcad - Calculo de Silla Estanque Almacenamiento
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Calculo de tension en placa superior
"1 P
f c2
⋅
0.375 g⋅ 0.22 d⋅−# $⋅ 1.971 104
× psi⋅=:=
σadm 0.6 1.33⋅ fyp⋅ 2.873 104
× psi⋅=:=
%stat&s1 '(&mple' "1 σadm≤if
')* c&mple' *the,-ise
:=
%stat&s1 '(&mple'=
Calculo de tension en el anillo inferior
1in
0.177 a⋅ m⋅
R t⋅
m
t
2
⋅ 1in+
0.988=:=
"2 P e⋅
t2
1.32 ⋅
1.43 a⋅ h2
⋅
R t⋅
4 a⋅ h2
⋅( )
1
3
+
0.031
R t⋅# $0.5
+
⋅ 1.537 104
× psi⋅=:=
%stat&s2 '(&mple' "2 28000psi≤if
')* (&mple' *the,-ise
:=
%stat&s2 '(&mple'=
Calculo de gusset verticales
min P
! 25000⋅ psi13.86 mm⋅=:=
/ h c− 448 mm⋅=:= largo gusset A ! ⋅ 1.6 103× mm2⋅=:=
y ! 3
⋅ 4.096 105
× mm4
⋅=:= ! 3
⋅ 1.6 107
× mm4
⋅=:=
,
A100 mm⋅=:= ,y
y
A16 mm⋅=:=
λ /
,y28=:=
%stat&s3 '(&mple' λ 86.6≤if
')* c&mple' *the,-ise
:=
%stat&s3 '(&mple'=
8/17/2019 Mathcad - Calculo de Silla Estanque Almacenamiento
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