Apendice A NTC

21
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Transcript of Apendice A NTC

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INTRODUCCION

APENDICE A

A.1. ALCANCE

A.2. NOTACION ADICIONAL

A.3. ESPECTROS PARA DISEÑO SISMICO

A.4. REVISION PARA DESPLAZAMIENTOS LATERALES

A.5. TIPO DE ANALISIS

A.6. INTERACCION SUELO ESTRUCTURA

A.6.1. ANALISIS ESTATICO

A.6.3. PERIODO Y AMORTIGUAMIENTO EFECTIVOS

A.6.4. RIGIDECES Y AMORTIGUAMIENTOS DE LA CIMENTACION

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A.1 Alcance

Para e !"#e$% #&#'"(% !e e#)r*()*ra# *+"(a!a# e, a# -%,a# II III #er/ 0er'"#"+e )e,er e, (*e,)%# ee()%# !e #")"% a ",)era((", #*e%e#)r*()*ra. C*a,!% a#& #e 0r%(e!a #e a0"(ar/, a (*er0% 0re#e,)e# N%r'a# a# !"#0%#"("%,e# *e (%,)"e,e e#)e A0,!"(e. E, )%!%# %# a#0e()%# *e ,% (*+r

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A.2 Notación adicional

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 A.3 Espectros para diseño sísico

C*a,!% #e a0"*e, %# ')%!%# e#)/)"(% % !",/'"(% '%!a e#)"0*a!%# e, %# Ca0&)*%# 9 re#a!'"#"+e (%,#"!erar e0&(")a'e,)e %# ee()%# !e 0er"%!% !%'",a,)e '/# ar7% !e )erre,%9 T#. Pa

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#*e%e#)r*()*ra.

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 *i+,ra A.1 Periodos predoinan

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E 8a%r !e T#  #e )%'ar/ !e a "7*ra A.1 %9 (*a,!% a

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A.4 Re5isión de despla6aientos laterales

Se re8"#ar/ *e a r"7"!e- a)era !e a e#)r*()*ra #ea #*"("e,)e 0ara (*'0"r (%, a# !%#(%,!"("%,e# #"7*"e,)e#: a Para "'")a(", !e !a$%# a ee'e,)%# ,% e#)r*()*rae#9 a# !"ere,("a# e,)re %#!e#0a-a'"e,)%# a)erae# !e 0"#%# (%,#e(*)"8%# 0r%!*("!%# 0%r a# *er-a# (%r)a,)e##&#'"(a# !e e,)re0"#%9 (a(*a!a# 0ara a# %r!e,a!a# e#0e()rae# re!*("!a# #e7H, a #e((",

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Ta'la A.1 Distorsiones perisi'les de entrepiso

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A. Tipo de an7lisis

Se a(e0)ar/, (%'% ')%!%# !e a,/"#"# e e#)/)"(% e !",/'"(% '%!a *e #e !e#(r"+e, e, %# Cre#0e()"8a'e,)e. E a,/"#"# e#)/)"(% #er/ a0"(a+e #"e'0re *e #e )e,7a e, (*e,)a e 8a%r a0r%"'*,!a'e,)a !e a e#)r*()*ra (%, a# "'")a("%,e# e#)a+e("!a# e, a #e((", 2.29 *,)% (%,(%,#"!era("%,e#:

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A.8 Interacción s,elo%estr,ct,ra

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,"8e9 e, *e #e )%'ar/ "7*a a a a)*ra )%)a (*a,!% #e e'0ee e a,/"#"# !",/'"(% '%!a9 #er/ "7*

!%,!e φ" e# a a'0")*! !e !e#0a-a'"e,)% '%!a !e "<#"'% ,"8e #%+re e !e#0a,)e.

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A.8.1 An7lisis est7tico

La *er-a (%r)a,)e +a#a !e a e#)r*()*ra e, a !"re((", !e a,/"#"#9 (%rre7"!a 0%r ",)era((", (%, e(%, a e0re#",

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Re'0a-a,!% a @ 0%r: U#a,!%:

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L%# !e#0a-a'"e,)%# a)erae# !e a e#)r*()*ra e, a !"re((", !e a,/"#"#9 (%rre7"!%# 0%r ",)era((",!e)er'",ar/, (%, a e0re#",

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r   r"7"!e- !e r%)a(", !e a ("'e,)a(",9 *e #e (a(*a (%'% #e ",!"(a e, a #e((", A.6.4.

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A.8.2 An7lisis din7ico odal

La *er-a (%r)a,)e +a#a (%rre#0%,!"e,)e a '%!% *,!a'e,)a !e a e#)r*()*ra e, a !"re((", !e a,/ee()%# !e ",)era((", (%, e #*e%9 #e (a(*ar/ (%, a e0re#",:

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#*0er"%re# #e !e)er'",ar/ (%'% #e e#)a+e(e 0ara e#)r*()*ra# #", ",)era((",. C*a*"er re#0*e#)a e#)r(%r)a,)e9 !e#0a-a'"e,)% a)era9 '%'e,)% !e 8%)e%9 * %)ra# (a(*a!a 0ara a (%,!"(", !e +a#e r&7" 0%r e a()%r

 0ara %+)e,er a re#0*e#)a '%!""(a!a 0%r ",)era((",9 #"e,!% V1Ja’e a *er-a (%r)a,)e +a#a (%rre#

*,!a'e,)a !e a e#)r*()*ra (%, +a#e ",!e%r'a+e. E 8a%r !e e#)e a()%r e, ,",7H, (a#% #e )%'ar/'a%r *e 1.25. L%# !e#0a-a'"e,)%# a)erae# '%!""(a!%# 0%r ee()%# !e ",)era((", #e (a(*ar/, e, rea(", (%, e a,/"#"# e#)/)"(%. La# re#0*e#)a# '%!ae# #e (%'+",ar/, (%, (r")er"%# #"'"are# a %

e#)r*()*ra# #", ",)era((",9 a ", !e %+)e,er a re#0*e#)a )%)a.

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A.8.3 Periodo 9 aorti+,aiento e:ecti5os

E 0er"%!% ee()"8% !e #"#)e'a a(%0a!% #*e%e#)r*()*ra #e !e)er'",ar/ !e a(*er!% (%, a e0re#",

D%,!e:

S%, %# 0er"%!%# ,a)*rae# *e )e,!r&a a e#)r*()*ra #" *era ",",")a'e,)e r&7"!a #* +a#e #% 0*7"rar9 re#0e()"8a'e,)e. L%# 0ar/'e)r%# >   > r   re0re#e,)a, a# r"7"!e(e# !e a ("'e,)a(", e, a !"a,a"-a a e#)r*()*ra: >   e# a r"7"!e- !e )ra#a(",9 !e","!a (%'% a *er-a ;%r"-%,)a ,e(e#ar"a!e#0a-a'"e,)% *,")ar"% !e ("'"e,)%9 > r  e# a r"7"!e- !e r%)a(",9 !e","!a (%'% e '%'e,)% ,e(e#*,a r%)a(", *,")ar"a !e ("'"e,)%. L%# 8a%re# !e e#)%# re#%r)e# e/#)"(%# #e %+)e,!r/, !e a )a+a A(r")er"%# e#0e(""(a!%# e, a #e((", A.6.4.

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A.8.4 Ri+ideces 9 aorti+,aientos de la cientación

L%# re#%r)e# a'%r)"7*a!%re# *e #e *#a, e, #*#)")*(", !e #*e% !e0e,!e, !e a# 0r%0"e!a!e# !)a'+", !e a# (ara()er&#)"(a# !e a ("'e,)a(", !e a re(*e,("a !e e(")a(",. C%'% *,a a0r%"'(a(*ar e#)%# 0ar/'e)r%# 0ara a re(*e,("a *,!a'e,)a !e a e#)r*()*ra (%, +a#e r&7"!a9 ωJ2π

(r")er"%# *e a*& #e !e)aa,. P*e!e, e'0ear#e ')%!%# a)er,%# +a#a!%# e, 0r",("0"%# e#)a+e(

(%,%("!%# !e a !",/'"(a !e ("'e,)a("%,e#. Para e#)r*()*ra# *e #e a0%a, #%+re -a0a)a# (%rr"!a# (%, !"'e,#", 'a%r e, a !"re((", *e %#a % (a, *e a+ar*e )%!a e /rea !e ("'e,)a(",9 *e 0%#ea, #*"("e,)e r"7"!e- re#"#)e,("a#* +a#e #e !e#0a-a (%'% (*er0% r&7"!%9 a# r"7"!e(e# a'%r)"7*a'"e,)%# !e a ("'e,)a((%,#"!era,!% (&r(*%# e*"8ae,)e# a a #*0er"("e !e !e#0a,)e9 (*%# ra!"%# 0ara %# '%!%# !e )rae#)/, !a!%# re#0e()"8a'e,)e 0%r a# #"7*"e,)e# e0re#"%,e#:

!%,!eA /rea !e a #*0er"("e ,e)a !e ("'e,)a(", eI '%'e,)% !e ",er("a !e !"(;a #*0er"("e (%, re#0e()% a #* ee (e,)r%"!a !e r%)a(",9 0er0

!"re((", e, *e #e a,a"-a a e#)r*()*ra.

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Tra)/,!%#e !e e#)r*()*ra# #*"("e,)e'e,)e r&7"!a# re#"#)e,)e#9 ("'e,)a!a# #%+re -a0a)a# (%rr"!a(%r)a e, a !"re((", *e #e a,a"-a9 % #%+re -a0a)a# a"#a!a#9 a# r"7"!e(e# a'%r)"7*a'"e,)%# !e !e)er'",ar/, #*'a,!% a# (%,)r"+*("%,e# !e a# -a0a)a# ",!"8"!*ae#9 'e!"a,)e a# #"7*"e,)e# %r'*>  J Σ> "  KA.2

> r  J Σ"Q > 8"  KA.2

C J ΣC"  KA.3

Cr  J Σ"Q C8"  KA.31e, a# *e e &,!"(e " !e,%)a 8a%re# (%rre#0%,!"e,)e"<#"'a -a0a)a %# 0ar/'e)r%# > 8"  C8" re0re#e,)a, a r"7"!e- e a'%r)"7*a'"e,)% !e a -a0

8er)"(a9 re#0e()"8a'e,)e9 "  e# a !"#)a,("a e, a !"re((", !e a,/"#"# e,)re e (e,)r%"!e !e a

(e,)r%"!a !e a 0a,)a !e ("'e,)a(",. La# r"7"!e(e# a'%r)"7*a'"e,)%# !e a# -a0a)a# ",!"8"!*a*#a,!% e 8a%r !e R  *e (%rre#0%,!a a a -a0a)a e, (*e#)",.

 

E, e (a#% !e ("'e,)a("%,e# #%+re 0"%)e# !e r"((",9 #* ",*e,("a e, a# r"7"!e(e# a'%r)"7("'e,)a(", #e (%,#"!erar/ e8a*a,!% a# r"7"!e(e# > "  > 8"  %# a'%r)"7*a'"e,)%#C"  C

",!"8"!*ae#9 (%'+",a,!% e#)%# 0ar/'e)r%# (%, (r")er"%# #"'"are# a %# e#0e(""(a!%# 0ara e (a#("'e,)a("%,e# '")a# #e #*'ar/ a (%,)r"+*(", !e a %#a !e ("'e,)a(",. Ser/ 0er'"#"+e )e,er e,!e 7r*0%# !e 0"%)e# *#a,!% a()%re# !e ",)era((", !",/'"(a. 

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Para e#)r*()*ra# ("'e,)a!a# #%+re 0"%)e# !e 0*,)a % 0"a# e, a -%,a II #e #*0%,!r/ > r  ",",")a. C

 0"%)e# !e 0*,)a e, e#)r*()*ra# *+"(a!a# e, a -%,a III9 #* ",*e,("a e, e 8a%r !e> r   #e (%,#

#"7*"e,)e e0re#",9 e, a *e > 8" e# a r"7"!e- a"a !e "<#"'% 0"%)e (a(*a!a (%'% #" #* 0*,)a

8er)"(a'e,)e:

#"e,!% G e '!*% !e r"7"!e- 'e!"% !e #*e% !e #%0%r)e9 *e #e !e)er'",ar/ 'e!"a,)e 0r*e+a# !",/% a+%ra)%r"%. A a)a !e )ae# !e)er'",a("%,e# #e )%'ar/ "7*a a:

!%,!e 7 e# e 0e#% 8%*')r"(% 'e!"% !e #*e%. L%# 8a%re# !e 7 =#9 a#& (%'% %# !e a'%r)"7*a'

a rea(", !e P%"##%, !e #*e%9 #e %+)e,!r/, a 0ar)"r !e e#)*!"%# %(ae# !e 'e(/,"(a !e #*e%",#*"("e,)e# 0ara %+)e,er%#9 #e a!%0)ar/ 7J12.3 ?N' K1.25 )'9 -J.39 ,J.45 =#  #e )%'

A.2.

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F"7*ra A.2 Va%re# !e  H  s e, 'e)r%#