7/26/2019 Calculo de La Deflexion de La Viga

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DATOS UNIDADES

BASE= 80 cm PASO 1

ALTURA= 130 cm

F'c= 280 Kg/cm2

Fy= 4200 Kg/cm2 PASO 2

W(!"= #$8 T%&/mW("= 3$2 T%&/m

LU)= 2000 cm

*'= + cm

*= 12+ cm

E,= 2+0--8$008

I).UIERDA

!(!"= 23000000 A,= 12- cm2 PASO 3

!("= 1000000 A',= 40 cm2

% L

!(!"= 10-00000 A,= +# cm2

!("= +200000 A',= #4 cm2

DERE5O

!(!"= 23000000 A,= 12- cm2 cm

!("= 1000000 A',= 40 cm2

6,% 4

cm

6,% 4

cm

7/26/2019 Calculo de La Deflexion de La Viga

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cm

7/26/2019 Calculo de La Deflexion de La Viga

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ALULOS

I&7c(Ig"= 14#4####$##

9:;<3/12

!%m7&% D7 F,c%&

!c=F:Ig/D%&*7>

F=2:(F'c"

F= 33$4##4010#1

=#+

!c=+410-+$0+8

I&7c D7 L S7cc%& F,*

&= E,/Ec

&= 8$3 E&%&c7,? &= 8$00

9:c:(c/2"@(&1":A',:(c*'"=&:A,:(*c"

S7 D7,67

PARA EL CLARO DE LUZ

c=30$8+

Ic=9:c<3/3@&:A,(*c"<2@(2:&1":A',:(c*'"<2

Ic= +3-+#1+$#+#

Ic= 10331#1$4- +882+$4 % 7& c,7

PARA LOS EXTREMOS

=40:c<2@:(40"(c+"=8(12-"(12+c"

c=43$00+

Ic= --2+8#$1+3+

--2+8$38 % 7& c,7

Ic P%m7*%

Ic(6%m$"=Ic(C"@Ic(*7$"@2Ic(c%"/4Ic(6%m$"= -0431$+#

Defexion Inmediata Por CM

y=(+/48"(I<2/EI"!L0$1(!1@!2"

 = 1$323

Defexion Inmediata Por CV

y=(+/48"(I<2/EI"!L0$1(!1@!2" = 0$#43

7/26/2019 Calculo de La Deflexion de La Viga

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Defexion Inmediata Total

 =y(cm"@y("

 = 1$-

DEFLEXION DIFERIDA

=F/(1@+06'" Fc%7, (F"

6'=A',/9* 3 m7,7 16'= 0$00+# #m7,7, 1$2

= 1$+# 12m7,7, 1$4

+G%, % m, 2

!1=!2@+0H!c

!1= 283+0000

!2= 283+0000

!c= 13+0000

20

11+

y=1$#4

 *7* 2$+#