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Datos:   Unidades:

f'c = 210 kgf/cm2

fy = 4200 kgf/cm2

φ = 0.9

Vm = 55 tn

Lm = 4.5 m

L = 9 mb= 20 cm

h= 20 cm

Rresultados

 s 1!."5 tn

#s !.$!"5$$14 cm2

#smin 0.01%1%"%!

#s &= #smin( 

)ie**+ #*ea , de -a*ias dg

!/% 0."1 5.1 $.0 21

1/2 1.29 2.% !.0 2%

5/% 1.99 1.% 2.0 !5

!/4 2.%5 1.! 2.0 42

1 5.0" 0." 1.0 5$

1 !/% 10.0$ 0.4 1.0 "9

+mb , ,

!/% 1/2 4 !/% 0 1/2

1/2 5/% 1 1/2 2 5/%

5/% !/4 1 5/% 2 !/4

!/4 1 1 !/4 4 1

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)ie**+ #*ea cm2 d cm , c3a 6

!/% 0."1 0.951 $.0 15.$0%242! 5

1/2 1.29 1.2%2 !.0 1!."4"%12$ 2

5/% 1.99 1.592 2.0 1!.0%$41"2 1

!/4 2.%5 1.905 2.0 1!."12%"!2 1

1 5.0" 2.541 1.0 12.44!4!"9 01 !/% 10.0$ !.5%0 1.0 1!.4%19051 0

+mb c3a1 c3a2 c3at+ta s3 +ta

!/% 1/2 !.%041211! 0 1!."0$1%1$9$$ ! 2.09"9!94!

1/2 5/% 1.2%191"!5 !.1%4!5$$" 14.!$%!!45%"2 2 2.%15%!2"1

5/% !/4 1.5921"%!! !.%10%12$4 15.!05051541$ 2 2.!4"4"42!

!/4 1 1.90540$!2 10.1$5509! 21.9"29"$200% 4 70.49!24405

cm

cm

cm

cm

cm

cm

#s

2.%40

5.2"0

".$90

2!.1!0

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 +ta 8#

0.%"%!5155 8

!.12$09!$9

$.91!5%2""

$.2%"12$"9

,;V/0< ,;V/0<,;V/0< ,;V/0<

nt*a

8

8

8