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DIAGRAMA DE ITERACION DE MURO DE CORT 1.25D+1.25L-Sxx

= 35 cmDimensiones de muro

f'c= 280 Kg/cL = 400 cm fy= 4200 Kg/cb = 35 cm

Dimensiones de confnamientoh = 35 cmr = 3.0 cm

= 0.95 cm

estribos: 3/8" = 0.95 cm

d' = 4.43 cmL'm = 35 cm!g = "4000 cm2#cu = 0.003#$ = 0.002

st (!" #! "c!$% c& # (!"t!% c&

!s" ".42 d" 4.43 d" = 4.43!s2 ".42 d2 3".43 d2 = 3".43!s3 ".42 d3 58.43 d3 = 58.43!s4 ".42 d4 85.43 d4 = 85.43!s5 ".42 d5 ""2.43 d5 = ""2.43!s ".42 d "3%.43 d = "3%.43!s& ".42 d& ".43 d& = ".43!s8 ".42 d8 "%3.43 d8 = "%3.43!s% ".42 d% 220.43 d% = 220.43

!s"0 ".42 d"0 24&.43 d"0 = 24&.43!s"" ".42 d"" 2&4.43 d"" = 2&4.43

!s"2 ".42 d"2 30".43 d"2 = 30".43!s"3 ".42 d"3 328.43 d"3 = 328.43!s"4 ".42 d"4 355.43 d"4 = 355.43!s"5 ".42 d"5 382.43 d"5 = 382.43!s" ".42 d" 3%5.5& d" = 3%5.5&

tm

3/8 "

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sumatoria 22.&2 cm21. )ARA COM)RESION )URA (=0.70)

)$ = *.5,f'c,(A - AST% + fy,AST

(o = 3422 tn)(o = 23%5.4" tn

% /ALLA 0ALANCEADA (=*.*%

De ta* +orma, teniendo en cuenta -ue cb es e* ee neutro ba*anceado $ d *a *ongitude+ectia de *a seccin, tenemos *a siguiente igua*dad geom1trica#cu / cb = #$ / d cbd cb / cb = #$ / #c 6eem7*aando *os a*ores de d, #cu $ #$ tenemos

35 9b=

0.002= 0.&

9b 0.003

(or *o tanto, cb = 2"4.&" cm

:ntonces ;c = 0.85

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Jrao Distancia desde e* borde eAterno de *a 7*aca hasta obtenido como Jrao = L ?s ?omento 7roducto de ;I obtenido como ?s = ;I Jrao

x (c&% s 6 As (c&2% fs (78c&2%fs (78c&2% /s (T9% 0

4.43 0.002%382 3/8 ".42 "&0 4200 5.% 33".43 0.00250% 3/8 ".42 53&8 4200 5.% 358.43 0.002"83& 3/8 ".42 458 4200 5.% 385.43 0.00"804 3/8 ".42 3&%3 3&%3.4"%% 5.3% 3

""2.43 0.00"42%" 3/8 ".42 300" 300" 4.2 2"3%.43 0.00"05"% 3/8 ".42 220% 220% 3."4 2".43 0.000&4 3/8 ".42 "4"& "4"& 2.0" 2"%3.43 0.0002%&3 3/8 ".42 24 24 0.8% 2220.43 &.%%:005 3/8 ".42 "8 "8 0.24 "24&.43 0.00045&2 3/8 ".42 %0 %0 ".3 "2&4.43 0.0008344 3/8 ".42 "&52 "&52 2.4% "30".43 0.00"2""& 3/8 ".42 2545 2545 3."328.43 0.00"58% 3/8 ".42 333& 333& 4.&4355.43 0.00"%2 3/8 ".42 4"2% 4"2% 5.8

382.43 0.0023435 3/8 ".42 4%2" 4%2" .%%3%5.5& 0.00252&" 3/8 ".42 530& 530& &.54

AST = 22.2 ;/s = *.5 ;

Luego (b = ;c M;s ?b = ?c M?s(b = "520.%& >n ?b = "&4.33 >nm

)(b = "04.8 >n )?b = "222.43 >nm

c% /!x" (=*.?*%

;c = 0.85

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;c = 0.&" >n ?c = ".4" >nm

x (c&% s 6 As (c&2% fs (78c&2%fs (78c&2% /s (T9% 0

4.43 0.002%382 3/8 ".42 "&0 4200 5.% 33".43 0.00250% 3/8 ".42 53&8 4200 5.% 358.43 0.002"83& 3/8 ".42 458 4200 5.% 385.43 0.00"804 3/8 ".42 3&%3 3&%3.4"%% 5.3% 3

""2.43 0.00"42%" 3/8 ".42 300" 300" 4.2 2"3%.43 0.00"05"% 3/8 ".42 220% 220% 3."4 2".43 0.000&4 3/8 ".42 "4"& "4"& 2.0" 2"%3.43 0.0002%&3 3/8 ".42 24 24 0.8% 2220.43 &.%%:005 3/8 ".42 "8 "8 0.24 "24&.43 0.00045&2 3/8 ".42 %0 %0 ".3 "2&4.43 0.0008344 3/8 ".42 "&52 "&52 2.4% "30".43 0.00"2""& 3/8 ".42 2545 2545 3."328.43 0.00"58% 3/8 ".42 333& 333& 4.&4

355.43 0.00"%2 3/8 ".42 4"2% 4"2% 5.8382.43 0.0023435 3/8 ".42 4%2" 4%2" .%%3%5.5& 0.00252&" 3/8 ".42 530& 530& &.54

0.00 0.003 3/8 0.00 300 4200 0.00 40.00 0.003 3/8 0.00 300 4200 0.00 40.00 0.003 3/8 0.00 300 4200 0.00 40.00 0.003 3/8 0.00 300 4200 0.00 40.00 0.003 3/8 0.00 300 4200 0.00 4

AST = 22.2 ;/s = *.5 ;

(or *o tanto ;c M;s = 0.00 ? = ?c M?s0.&" 0.&5 = 0.04 ? = %".& >nm

)( = 0.00 >n )? = 82.504% >nm

#% T"cc" (=*.?*%

Ie des7recia *a resistencia a traccin de* concreto, 7or *o -ue serC so*o e* acero-uien trabae en este caso, asN tenemos

>o = +$>o = %5.424 >n

)>o = 85.882 >n

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Desarro o e D agrama e Interacc n

)9 (T9% M9 (T9.&% )> = @*.12 >n"% C$&!s" 23%5.4" 0.00 M> = 1*@.? >nm% /"" 0""9c!"#" "04.8 "222.43c% /!x" 0.00 82.50#% T"cc" 85.88 0.00

* 2** @** ** ** 1*** 1-5**

*

5**

1B***

1B5**

2B***

2B5**

B***

DIAGRAMA DE ITERACION MURO DE CORT

9O6P! D: Q>:6!9QR 9!6S! T ?R?:>R !9>O!>:I

?R?:>RI R?Q!L:I

9!6S! R?Q!L

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3/8 "

3/8 "

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* de* acero.

con

Cneo con

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":$ Ms (T9.&%

%5. 23.5%8. 2".%84". 20.3&"4. ".%58&. "2.20. 8."&33. 4.&00. ".83&%. 0.4352. 2.0825. 3."28. 3.5". 3.3%4. 2."

&. ".234.4 0.33

s = ?.*?

nte tanteo

ondicin

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":$ Ms (T9.&%

%5. 23.5%8. 2".%84". 20.3&"4. ".%58&. "2.20. 8."&33. 4.&00. ".83&%. 0.4352. 2.0825. 3."28. 3.5". 3.3%

4. 2."&. ".234.4 0.3300.0 0.0000.0 0.0000.0 0.0000.0 0.0000.0 0.00

s = ?.*?

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2** 1@**