Ejemplo N° 01- Kent y Park & Mander

CONCRETO CONCRETO CONFINADO POSGRADO UNI-FIC - 15/05/2015   MTorres 1. Obteng !s gr"#$%s &e es#'er(o &e#or)%$*n &e#or)%$*n &e ! s e%%$*n &e % o!')n re%tng'!r re%tng'!r +'e se )'estr en ! #$g'r. #$g'r. E),!ee !os %r$ter$os &e ent  Pr )o&$#$%&o Pr Pr et ! 1324  e! &e Mn&er et ! 1334 h := 400

Per!te &e ! se%%$on en ))

 b := 400

400 

 An%o &e ! se% %$*n en ))

d b := 20

D$")etro &e ! brr en ))

d bt := 9.2

D$")etro &e! estr$bo en ))

s := 80

       0        4

Es,%$)$ento &e estr$bos en ))

f yt := 440

ρ :=  3.14 ⋅

       0        0        4

Es#'er(o &e #!'en%$ &e estr$bo en MP 1

6 &e! re#'er(o !ong$t'&$n!

100

f´c := 50

Res$sten%$  %o),res$*n &e! %on%reto en MP

Ec := 32570

Mo&'!o e!"st$%o &e! %on%reto en MP

Cc := 20.8

Re%'br$)$ento Re%'br$)$ento  %r e7t er$or &e! &e! ess tr$bo en ))

1.1 C"!%'!o &e ! % 'r8 es#'er(o &e#or)%$*n &e#or)%$*n seg9n ent  Pr )o&$#$%&o 1.1.1C"!%'!o &e ! % 'nt: 8o!');tr$% &e! re#'er(o re#'er(o 1.1.1. C"!%'!o &e! 8o!')en &e re#'er(o re#'er(o &e % on#$n)$ento π 2 Ast := Ast Ast = 66.4 66.476 76 ⋅ d bt 4

(

)

Lhb := 2 ⋅ h + b − 2 2 ⋅ Cc + d bt

(

)

Lhd := 4 ⋅ 0. 0.5⋅ h − 2 ⋅ Cc + d bt ⋅ 2

(

)

Vst := Ast⋅ Lhb + Lhd

.25⋅ Lhb  = 349.2

Lhb =  1.3 1.397 × 10

.25⋅ Lhd  = 246.922

Lhd =  987.687

Vst Vst = 1585 158511 11.4 .4

1.1.1.b C"!%'!o &e! 8 o!9)en &e! %on%reto %on#$n&o hcc := h − ( 2 ⋅ Cc)

hcc hcc = 358. 358.4 4

 bcc := b − ( 2 ⋅ Cc)

bcc bcc = 358. 358.4 4

Vcc := hcc⋅ bcc⋅ s