DISEÑO DE PUENTES DE VIGAS POSTENSADAS Ancho total del tablero= = !00 "#e$ h 7 0.04- Total #ncl lo$a Peralte de la (#)a = t$ =
8.40 m %0.48 m !.%&!' m !.!& V#)a AAS*TO +"o IV h= 0.,0
e)= !', ?!0?',.8'=8@.!%cm !.', -4 ,4.&-!>>=',.8' !&.% !&.% cm$ Pe$o Pe$o de de (#)a (#)a d#ar d#araa
!!.-8 ancho eec+(o/
beec+(o5=
4= !,t$1b2, = S = ,.!0
&.', ,.',.!0 m
3
9 = 6:!.,-D;1!.-0D<1!.&- 6:!.,-D;1!.-0D<1!.&-1I5 1I5 6 =
!.0-
!.0-
,h=
N = entero:calada%.'=
, c arr#le$ de d#$eBo
>c= %-0%8-4,0 >c= ,80
n = >c?(#)a>c?lo$a50.-
D#$tr#b9c#Cn de car)a$ (#(a$ (eh#c9lare$ /m)=0.0&-1S,@0050.'S50.,)t$%50. S = ,!00 mm = %0480 t$ = ,00 )= n:I1Ae),= n= !.!, A= &88.44 "9l), I = ,'040% "9l)4 e)= m)=
-&,@&%&4@&@@ mm4 -08'.&0 cm$, !08%8&@! cm4 8@.!% cm 0.'0!
D#$eBo "or Fe#Cn ;alc9lo de momento$ Fectore$ torone$ o $trand$ AST A?4!' Grado ,&0 "9=,&0 $# de baHa relaHac#Cn "9= ,&0000 b$"9l), !8@00 )$cm,
P# !ra. Eta"a / In#c#al ;ar)a$/ Po$ten$ado #n#c#al Pe$o "ro"#o de la (#)a D = ;ar)a$ "ermanente$/
D;! D;,
8,!.00 b$"#e
Pe$o "ro"#o de la (#)a (ereda$1baranda$1c.a$al+ca
!,,4.4% !-%&&%.@@
;ar)a$ (#(a$ (eh#c9lare$ *?@% !4.-! !0.@4
!4.-! 4.%0
%.'% ton$ 0.@-4 ton$m
&.', -.4&
cam#on5= P#c#= c.carr#l5 = *?@%=
,0@.&@ ton$?m !!0.&@ %,0.-8
=m)*?@%= !@,.-% ton$?m I= 4!.-8 9 = 888.!@ ;alc9lo de la 9era de "o$ten$ado
ton$m baranda$ (ereda$ lo$a $#lla (#)a?IV
0.!0.,0 !.0! 0.0' !.,,
D; = D<= D; = D< =
,.'4 0.%0 %0'.'% %-.,&
E$9ero$ lm#te$ AAS*TO?JKD?,0!,
%%.@% cm,
9 "9 h L
= = = =
888.!@ !8@00 !',.00 !.00
U$amo$ torone$ de 0.->> a$"= M torone$=
0.@8& cm, %4.%8
36 9$at % tendone$ -?
"e Pe P#
= 0.&0"9= ="eA"$= = Pe!?5 = =
!%,%0 4&0.0@ ton$ --%.00.!-
Etapa Inicial
?4!.40 )$cm,
f = -Pi/Ac(1-ect/r^2) -MD/St =
?4!.40 P# = Ac= ct = e = r, = St = cb =
--%04- Q)$ -08'.&0 cm$, &4.% cm$, 4-.-' cm$, ,!%0.8! cm$,
[email protected] ',.8'
Sb = ?!'-.''
= -Pi/Ac(1+ecb/r^2)+MD/Sb =
>c = >c# =0.80>c= c# = 0.'>c#=
!&,408.%
%-0.00 ,80 !'8
Etapa e !er"ici#
?!!'.,%
f = -Pe/Ac(1-ect/r^2)-MD/St -(MSD +M$$+IM)/Stc
bEc#Ec(5=
!8&.8% cm$ b =
,!0 cm$ ,0 -.00
ctc =
'0.!4 &4.%
cbc =
!0!.8' ',.8'
A
R
! %&-'.-@4, , ,-0 % -08'.&0 @0@%.,@%&!
AR !-,.!' !%@.'' ',.8'
R> = Ic =
R>?R = , -&!'0%.%& ?-0.%0 %4@!-.00 ?%&.80 %!@&4@.@% %@.00 @,','8.%0 A,= !0!.8' cm$ ,8-','!,.%0 cm$4
,-,@.8! !4,8.'% !-,!.,,
Stc = Sbc= SD = SD =
4&4@-&.4, cm$% ,8040,.80
&-'8'.@- )$?m 0.'-
= -Pe/Ac(1+ecb/r^2)-MD/Sb -(MSD +M$$+IM)/Sbc
?!'.@-
9e)o haR 9e (er#car lo$ e$9ero$ brar#o$ "ara la comb#nac#Cn de car) AAS*TO Dc 1 D< 1 0.80 1 I5 f= =
?!0%.!8,% ?%@.04'8@-
%eri&caci'n e #ent# l*#
b= d" = A"$ = ! = Q = c = "$ =
,!0 cm$ !44.& cm$ %-.-% cm$, 0.80 0.,8 !'.,& cm !8%0-.08
8@88%!!@.@ )$?cm
[email protected]% ton$?m 9 =
888.!@ ,
!.%&
m !%&.!' cm$
=
!.!4
%.,4
)m )$?m
!.4,
,
)$cm,
O
?!'-.'' O
3 0.'>c =
,!0 ?!!'.,%
?!'.@A, Io @-0%4'-.-, !,-,
[email protected]! %-&!-&.!@ &&%&@&8.-@ !08%8&@! MMM MMM Ic = MMM
tracc#Cn = 1!.-@>c50.-
$ 9e e#)e la norma
