areas de acero minimas

8/18/2019 Areas de Acero Minimas

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REVISION DEL ACERO MINIMO EN VIGAS - BARRAS LONGITUDINALES ACI 3PARA REVISAR DISEÑOS DE VIGAS DE CONCRETO ARMADO CON SOFTWARE CSI SAP2000/ETABSPor: Carlos A. Saave ra ! S"r Co#s"l$ores I#%. & Ar'. Ma

( (0.00 )*) +0.00 )*r +.00 )*d (+.00 )*

*+$ 2+0.00 ,%-/)**, (200.00 ,%-/)*

Se )olo)a el valor *a or e#$re los osASMIN .00 )*ASMIN +.(2 )*ASMIN !00 $'.

C%'/r%(a$i & /%r arre l%2(arra" Area

2 +/1 .3 )*( 4/2 +.01 )*0 +/1 0.00 )*

Area t%tal e& Barra" 4!0 $'. O677U"ar 598 19 0! 5;

CALCULO ACERO MINIMOVIGAS

5

6 r

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As


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8-05

terial de: !"#r-$%&"#lt%re"!$%'


3/16

#i&a" ( 4/2 +.01 )*Cara" 2 4/2 2.+( )*

Area t%tal e& Barra" ?! $'. O677#i&a" 19U"ar e& la" $ara" 19

CA9C 9O ACERO MINIMOCO9 MNAS

$

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Re-"er>oe# )aras

Re-"er>o e#es'";#as


4/16

ACI 318-05

terial de: !"#r-$%&"#lt%re"!$%'


5/16

DISE O DE ACERO


6/16

CUANTIAS A *LE ION SEG N ANALISIS ESTRUCTURAL

1er TERCIO DE VIGA

A$er% /%r t%r"i & Atl Arre l% de a$er%" /r%/#e"ta de di"e % E"tri(%"

A$er% S#/eri%r5! 0 $'. 2(arra" Area 5! 3 $'. ra'a"4.11? )* 19 1 4.2? )* 1 19 598 398

! 00 $'. ! 8? $'. 598 .3 )* U"ar A"'i& A$er%

A$er% I&Feri%r5! 0 $'. 2(arra" Area 3!4 $'. 4.14.11? )* 19 0 0.00 )* 598 19

1!140 $'. 3!0?? $'. 598 .3 )* U"ar A"'i&

DO TERCIO DE VIGA


A$er% S#/eri%r5! 0 $'. 2(arra" Area 3!4 $'. ra'a"4.11? )* 19 0 0.00 )* 598 398

1! ?0 $'. 3!15? $'. 598 .3 )* U"ar A"'i& A$er%


1! 10 $'. 3! 4? $'. 598 .3 )* U"ar A"'i&

3ER TERCIO DE VIGA


A$er% S#/eri%r5! 0 $'. 2(arra" Area !50 $'. ra'a"4.11? )* 19 2.+( )* 19 598 398

3! 00 $'. 5! 8? $'. 598 .3 )* O6 A$e


1!?40 $'. 3! ?? $'. 598 .3 )* U"ar A"'i&

+ Se H& A&ali"i"e& $'

Area t%tal e&(arra"


Area t%tal e&(arra"


Area t%tal e&(arra"


7/16

erial de: !"#r-$%&"#lt%re"!$%'


8/16

ANTE = TORSION

0!013 $'.9$' 50 $'Se/ara$i & De &iti a de E"tri(%"

1 398 J $'

ANTE = TORSION

0!0 5 $'.9$' 3? $'Se/ara$i & De &iti a de E"tri(%"

1 398 J 13 $'

ANTE = TORSION

0!0 5 $'.9$' 3 $'Se/ara$i & De &iti a de E"tri(%"

1 398 J $'

A$er% /%rT%r"i & At

Se/ara$i &Cal$#lada

A$er% /%rT%r"i & At

Se/ara$i &Cal$#lada

A$er% /%rT%r"i & At

Se/ara$i &Cal$#lada


9/16

SOLA


10/16

a 144

DESIGNACION DE 9A BARRA H J 9ONGIT a 44

G A N C

O E

S T A N D A R

! R E F : E R O

T R A N S V E R S A 9

30

DESIGNACION DE 9A BARRA H J DIAMET a +

a 1

DESIGNACION DE 9A BARRA H J 9ONGIT a + a 1

4 + DESIGNACION DE 9A BARRA H J DIAMET a + a 1

DESIGNACION DE 9A BARRA H J 9ONGIT a 1

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11/16


12/16

/1 D; *e$ro +.? )*4 /1 D; *e$ro 21. )*

MINIMA DE9 GANC O H9%J Sele$$i%&e el dia'etr% /ara i"#ali ar al%re"(K ?)* /1 9o#%;$" +.0 )*

O MINIMO DE9 DOB9E HDJ Sele$$i%&e el dia'etr% /ara i"#ali ar al%re" /1 D; *e$ro .1 )* /( D; *e$ro 44.( )*

MINIMA DE9 GANC O H9%J Sele$$i%&e el dia'etr% /ara i"#ali ar al%re"K +/1 Ga#)5o 40.0 )*

/( Ga#)5o 2+.0 )*

O MINIMO DE9 DOB9E HDJ Sele$$i%&e el dia'etr% /ara i"#ali ar al%re" /1 D; *e$ro .1 )* ?/1 D; *e$ro 4 . )*

MINIMA DE9 GANC O H9%J Sele$$i%&e el dia'etr% /ara i"#ali ar al%re"K /1 Ga#)5o 40.0 )*

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13/16

AREA UTIL DE ACERO SEG N NUMERO DE CABILLAS

Peso "#;$ar;o D; *e$ro Se)); # Per *e$roNQ K ,%/* )* )*2 ** 4

19 0! 4 0. + 0. 2 4.33( 0. 2

3 39 8 0!554 0.3+ 0.?4 2.332 0.?4 19 0!44 4.2?0 4.2? .311 4.2?

5 59 8 1!55 4.+11 4.31 (.31 4.31 39 ! 3? 4.30+ 2.1+ +.312 2.1+

? ?9 8 3!0 5 2.22 .11 .310 .118 1 3!4?8 2.+(0 +.0? ?.3? +.0?

4 1 19 8 5!033 2.1+1 .(4 1.3?( .(410 1 19 ! 1 .4?+ ?.34 3.3?0 ?.3411 1 39 8 ?!413 .(3 40.0? 40.3 1 40.0?

1 1 39 11! 01 (.((+ 4(.+2 4 .3+? 4(.+218 19 0! +.?4+ 2+.14 4?.3(+ 2+.14

C%'/r%(a$i & /%r arre l%2(arra" Area

4 /1 0.?4 )*4 4/2 4.2? )*0 /( 0.00 )*

rea t%tal e& Barra 1!48 $'.


14/16

AREA DE ACERO SEG N N MERO DE CABI99AS H)*2J2 ( + ? 1

0. ( 0.3 4.21 4. 0 4.32 2.2( 2.+

4.(2 2.4 2.1( .++ (.2 (.3? +. 12.+( .14 +.01 . + ?. 2 1.13 40.4

.3 +.3( ?.32 3.30 44.11 4 .1 4+.1(+.?0 1.++ 44.(0 4(.2+ 4?.40 43.3+ 22.10?.? 44. ( 4+.+2 43.(0 2 .21 2?.4 4.0(

40.4( 4+.24 20.21 2+. + 0.(2 +.(3 (0.+

42.12 43.2 2+. ( 2.0+ 1.( ((.1? +4.214+.12 2 .? 4. ( 3.++ (?.( ++. ? .2120.4( 0.24 (0.21 +0. + 0.(2 ?0.(3 10.+

23.0( ( .+ +1.01 ?2. 0 1?.42 404. ( 44 .4+4. 2 ??.( 40 .2( 423.0+ 4+(.1 410. ? 20 .(1


15/16

A&ali"i" de $#a&tia e& l%"a"3 Barra Area

A)ero S"= 4 +/1 4.31 )*2.11 A)ero I#- 4 4/2 4.2? )*

. 344.( D;*e#s;o#es losa4?.12 6 52+. + L%"a Ma$i a 400 )* 2+ )*

(.32 Barras 9osa Se=ara);o# As*;#(+. A)ero S"= 4 400 )* ?.+0 )*

A)ero I#- 4 400 )* ?.+0 )*+?. 3?4.43 D;*e#s;o#es Nerv;o30. 6 5

4 0. 1 L%"a Ner ada 40 )* 20 )*2 2.23 As/#erv;o Barras Nerv;o As*;#A)ero S"= 4. + )* 4 0.+1 )*A)ero I#- 0.11 )* 4 0.+1 )*

Ld 105 $'


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Area A#al;s;s4. + )*0.11 )*

BarrasM;# Se=M;# Colo)ar )* 1 598J33$'

+ 20 )* 1 19 J 0$'

Nerv;os/Fra# a

4Barras M;# As9o#4 1 5984 1 19

areas de acero minimas

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