Cross Armado

7/23/2019 Cross Armado

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METODO DE DISTRIBUCIO

C O N C R E T O

A R M A D O

I

LONG. EN CADA TRAMO 6.5

I1 0.115

1 A 0.115

1 B 0.258

FD 0 1 0.447

MEP -2025 2816.67 -4225.000

SOLTAR A 0 -791.67 -395.835

MEP REAJUS. -2025 2025 -4620.835

1° DISTR. 84.766TRANSMISION

2° DISTR. -234.680TRANSMISION

° DISTR. 5.411TRANSMISION

4° DISTR. -14.980TRANSMISION

5° DISTR.

! -2025 2025 -4780.317

R. ISOSTATICOS 2700 2166.67 4.

R. HIPERESTATICO 0 -423.895 423.895

". CORTANTES 2700 1742.775 4757.225

REACCIONES 4442.775 7272



DE HARDY CROSS7 6

# 0.143 0.167

0.143 0.143 0.167 0

0.258 0.310 0.310 1

0.553 0.462 0.538 0441.120 -7676.020 5400.000 -5400.000

4431.120 -7676.020 5400.000 -5400.000

104.949 1050.471 1225.549525.235 52.474 612.775

-290.556 -24.219 -28.255-12.109 -145.278 -14.128

6.699 67.051 78.22733.526 3.349 39.113 SI

-18.546 -1.546 -1.804 ¿

4780.317 -6673.717 6673.717 -4762.240

2785.71 5214.2$ 5400 5400

-270.486 270.486 318.579 -318.579

2515.224 5484.776 5718.579 5081.421

.449 11203.355 5081.421

SI



f'y= 4200 B= 40f'c= 280d= 17.5

b= 10

CALCULO D AC!O "!I#CI"ALS

A$ %&()*& +-$

%,= 6673.717 -

/= 2 c

A=%,1000.9f'y+d-/2$

A= 11.32962705c2

/=Af'y+0.85f'cb$

/= 19.9934595 c DIABLOS

B$ %&()*& +$

%,= 4861.13 -

/= 3.5 c

A=%,1000.9f'y+d-/2$A= 8.645 c2

/=Af'y+0.85f'cb$

/= 3.8142 c DIABLOS

A)=0.7+f'c$+.5$bdf'yA)= 0.488 c2



METODO DE CROSS

C O N C R E T O

A R M A D O

ILONG. EN CADA TRAMO 6 4.

I

1 0.125 0.21 A 0.125 0.222

1 B 0.347 0.347FD 0 1 0.360 0.640

MEP -2400 75 -75.000 2066.667

SOLTAR A 0 -975 -487.500MEP REAJUS. -2400 2400 -3862.500 2066.667

1° DISTR. 646.5001149.333RANSMISION -561.905

2° DISTR. 202.286359.619RANSMISION -164.190

° DISTR. 59.109 105.082RANSMISION -51.374

4° DISTR. 18.495 32.879

! -2400 2400 -2936.111 2936.111

RI 2400 2700 2700 2066.667

RH 0 -89.352 89.352 116.630

R" 24002610.648 2789.3522183.297

REACCIONES 5010.648 4972.648

!1 !2



5 6

# 22 0.1670.222 0.167 0

0.389 0.389 10.571 0.429 0

-16. 600.000 -600.000

-1633.3333600.000 -3600.000

-1123.810-842.857574.667 -421.429

-328.381 -246.286179.810 -123.143

-102.748 -77.06152.541 -38.531

-30.023 -22.518

-2411.2782411.278 -418.102

16. 600 600

-116.630 -295.304 295.304

1516.703 3304.696 3895.304

4821.400 3895.304

!3



DISO D

DAOSB 90 f'c 210

b: 25 fy 4200

d 50 %, 95* 12 A 61.298232

;& d( f/<</ FALLA SOB

1 !IFICACI

%,*=0.90.85f'cB*+d-*2$%,*= 7634088 76.341 )-

CASO

%,* > %, 1 C/&

%,*? %, 2 C/&%,* % %,

76.34088 % 95 2 CASO

2 CALCULO D A!A

1 A#O @= 41

A= 61.298 c2Ac=Afy+0.85f'c$

Ac= 1442.311 c2A2=Ac-B*

A2= 362.311 c2

yc=+A11A22$Ac

yc= 9.327 c

@=d-yc@= 40.6725227

3 CUO D FA= 61.298232 c2

/b= 25

A=%,+fy@$

/b=0.856000d+6000fy$



E= .85 A/=0.85f'c+B*+/b-*$b:$fyA/= 59.7125 c2

A?=0.75A/

61.30 & 44.784375



IAS

-A!%ADA

#

G0.9d=45

d-*2=44

AC!O

B*= 1080 c2

(=A2b:= 14.492 c

(HH&H= 0.79872507 OJ

LLA



FALLA SOB!-A!%ADA



IA DOBL%

DAOSd 34 f'c 280b 25 f'y 4200d' 4 2000000H 6 A' 2.138

A* 20.268A1 18.13

1 !IFICO SIy=0.0021 "&H (H fy=4200c2

/b=A1f'y+0.85f'cb$

/b= 12.7976 c2

'=0.00220

K & y0.00220 & 0.0021

2 D

1 A#Of'y= 2800 c2

/=+A*f'y-A'f'$+0.85f'c

/=13.301

f'= 4466.25 c2

(HH&H= -59.51

%,= 21.181 )-

3 C

#

'=+/b-E1d'$.003/b

%,=++A*-f'A'$+d-/2$



# 0.75 "-"'=+A*-A+f'f'y$$bd

"-"'= 0.02117 %



!FO!GADA

A' FLU O #O

E1=0.85

"LUYE''

1° CASO

!%I#ACIO# D %,

$

OJ

UO D FALLA

f'A'+d-d'$$



?=0.75"b"b= 0.028333

0.0213 FALLA SUB-A!%ADA

"b=0.85+f'cf'y$E1+6000+6000f'y$$



IA DOBL%# !FO!GADA

DAOS

d 42 f'c 210

b: 25 f'y 4200d' 6 2000000

H 8 %, 90

B 100* 15

1 CALCULO D AA=0.75+0.85f'c+B*+/b-*$b:$f'y

A= 52.594 c2

2 CASO U CO!!S"O

Ac=Af'y0.85fKc

Ac= 1237.500 c2 B*= 1500

Ac % B*1237.500 % 1500 1 CASO

3 SI !UI! O #O

%,*= 71.197 )-

%,* % %,71.197 % 90 SI !

4 !IFICACIO# SI FLU O

'=+/-E1d'$0.003/ y='= 0.00176

' % y0.00176 % 0.0021

5 CALCULO D !FU!GO OALS # !ACCIO

A1=A= 52.594c2

%,2= 18.803 )-

A2= 13.818 c2

%,*=Af'y+d-/2$

A2=%,2f'y+d-d'$



FI#AL%#A'=A2+f'yf'$ f'= 3527.273

A'= 16.453 c2

A*= 66.411 c2

A'= 16.45308c2

6 CALCULO D !FU!GO OALS # !ACCIO

A1=A= 52.594c2

%,2= 18.803 )-

@1 A#O G= 47

A2= 10.584 c2

Ac=Afy+0.85f'c$ B*=Ac= 249.0306 (=A2= -1250.969

yc=+A11A22$Acyc= 1918.061

G= -1876.061 (HH&H= 4091.619

4091.619 &

A2=%,2f'y+@$



E=0.85

/b= 21.0000

#D

'

/=AcB/= 12.375

UI! AC!O # CO%"!SIO#

#O A'

0.0021

#O FLU

# CO%!SIO# - 1 CASO



c2

# CO%!SIO# - 2 CASO

0.9d 37.8

d-*2 34.5

1500 c2-50.039 c

1 #O "UD S! DIABLOS

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