Aisladores Sismicos (1)

AISLADORES SIÍSMICOS INTEGRANTE

Esa! amaniego "elo Carmen Alvarado Delgado Gerson Vargas Villacor#a Vera Gonzales Quiroga $os% &charima "oreno

Carmen Alvarado Delgado Leo Huancachoque Vera Gonzales Quiroga

Nota Trabajo

Nota Exposición

Nota Examen

Trusted by over 1 million members

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial Cancel Anytime.













ÍNDICE INTRODUCCIÓN...........................................................................................................................................3 OBJETIVO.....................................................................................................................................................4 OBJETIVOS ESPECÍFICOS..............................................................................................................................4 MARCO TEÓRICO.........................................................................................................................................5 FILOSOFIA DE DISEÑO SISMO RESISTENTE..............................................................................................5 FILOSOFIA DEL AISLAMIENTO SÍSMICO....................................................................................................6 AISLADORES SÍSMICOS...........................................................................................................................11 TIPOS DE AISLADORES SÍSMICOS...........................................................................................................12 

Ais!"#$%s %!s&#'($i)#s "% *!+# !'#$,-!'i%/�.....................................................................12



Ais!"#$%s %!s&#'($i)#s )#/ /)%# "% #'#0............................................................................13



Ais!"#$%s %!s&#'($i)#s %!s&#'($i)#s "% !&# !'#$,-!'i%/�................................................................... ...14



Sis&%'! "% P(/"# F$i))i#/! FPS...............................................................................................16

DISIPACIÓN SÍSMICA..............................................................................................................................1 

Sis&%'!s "% !is!'i%/&# ,i!/"# sis&%'!s sis&%'!s "% $%s#$&%s............................... ................................1



L#s "isi!"#$%s RESTON SA.............................................................................................................17



L#s "isi!"#$%s RESTON STU8.........................................................................................................17



L#s "isi!"#$%s RESTON PSD0.........................................................................................................19

CONSTRUCCIÓN DE LA MA:UETA.............................................................................................................22 P!s#s "% )#/s&$))i;/............................................................................................................................22 C#/)si#/%s..............................................................................................................................................24 Bi*i#-$!












INTR'D&CCI(N C#'# s!*%'#s P%$ %s /! #/! !&!'%/&% s=s'i)! >!*i(/"#s% $#")i"# '#?i'i%/&#s '#?i'i%/&#s &%$i)#s @% >!/ #)!si#/!"# "%s&$))i;/  ')>!s '%$&%s8 #$ # @% %/ %s&% )!s# s%$=! i"%! &%/%$ / sis&%'! @% %$'i&! "is'i/i$ ! )!/,"!" "% sis'#s %/ /%s&$# !=s. L! !is!)i;/ s=s'i)! )#/sis&% %/ "%s!)#!$ ! %s&$)&$! "% ! s*%s&$)&$! #$ # @% s% ,i!$ ,i!$ #s "is#si,? "is#si,?#s #s !'!"#s !'!"#s !is!"#$ !is!"#$%s %s *i)!"#s *i)!"#s %s&$! %s&$!&(&(-i)! i)!'%/& '%/&%% %/ !$&%s !$&%s %s%)i)!s "% ! %s&$)&$!8 #s )!%s %/ / %?%/&# s=s'i)# $#?%%/ ! ! %s&$)&$! ! s)i%/&% %i*ii"!" !$! "i%$%/)i!$ ! '!#$ )!/,"!" #si*% % %$i#"# /!&$! "% ! %s&$)&$! )#/ % %$i#"# /!&$! "% sis'# %?i&!/"# @% s% $#")! $%s#/!/)i!8 # )! #"$=! $#?#)!$ "!G#s s%?%$#s # % )#!s# "% ! %s&$)&$! E/ ! !)&!i"!" %/ /%s&$# !=s ! s% %s&H )#/s&$%/"# / %"i)i# )#/ %s&! &%)/##-=!8 %s&# %$'i,$H @% 'Hs )#/s&$))i#/%s s% $%!i)%/ "% ! 'is'! '!/%$!  %/ !"%!/&% #si*%'%/&% #si*%'%/&% %"i)i#s &!/ i'#$&!/&%s )#'# )#'# >#si&!%s8 )#%-i#s8 )#%-i#s8 %&) s% )#/s&$!/ )#/s&$!/ "% /! '!/%$! /# s## s%-$! si/# &!'*i(/ %)#/;'i)! ! @% s% !>#$$! "i/%$# /# s## %/ ! )#/s&$))i;/ "% %s&!s %"i)!)i#/%s si/# &!'*i(/ %?i&!/"# ! "%s&$))i;/ &#&! # !$)i!8 "!G#s i$$%!$!*%s  '%$&%s.













')$ETIV' *VERA+ M%+#$!$ ! $%s%s&! s=s'i)! "% #s %"i)i#s8 %/&%s  %/ !-/#s )!s#s8 %/ ! 'is'! s% s %$$%s %s&&$ $))& &$$!

"%

%"i "i) )i# i#ss

!' '%%/&!/" /"# #

#s

%$i % $i# #"# "#ss



$# $ ##$ #$))i# i#/! /!/" /"# #

!'#$,-!'i%/&# !'#$,-!'i%/ &#  !*s#$)i;/ "% %/%$-=! !"i)i#/!8 $%")i%/"# ss "%#$'!)i#/%s s%-/ s%! % )!s#. P$#?%% P$#?%%$$ ! ! %s&$)& %s&$)&$! $! ! s)i%/& s)i%/&%% %i*ii %i*ii"!" "!" !$! "i%$%/)i! "i%$%/)i!$$ ! '!#$ '!#$ )!/,"!" )!/,"!" #si*% % %$i#"# /!&$! "% ! %s&$)&$! )#/ % %$i#"# /!&$! "% sis'#8 %?i&!/"# @% s% $#")! $%s#/!/)i!8 # )! #"$=! $#?#)!$ "!G#s s%?%$#s # % )#!s# "% ! %s&$)&$!.

')$ETIV' E,EC-.IC' M#s&$!$ #s )#/)%&#s *Hsi)#s $%%$%/&%s ! #s !is!"#$%s s=s'i)#s "% *!s% %/ )!/&# ! ss )!$!)&%$=s,)!s  #s ,#s @% 'Hs "%s!$$## >!/ !)!/!"# %/ !s ,'!s "()!"!s.



A/!i!$ ! $%s%s&! s=s'i)! "% / %"i)i# "% %s&$)&$! '%&Hi)! i'%'%/&!"# )#/ / sis&%'! "% !is!"#$%s s=s'i)#s8 "%s!$$#H/"## ! &$!?(s "% / %s&"i# )#'!$!,?# %/&$% !s $%s%s&!s "% ! %"i)!)i;/ )#/ ! %is&%/)i! "% !is!"#$%s  si/ %#s.













"ARC' TE(RIC' .IL''.IA .IL''.IA DE DIE/' I"' REITENTE L! #s #s#< #












Fig.1 Alternativas para el diseño sísmico resistente de una edificación

.IL''.IA DEL AILA"IENT' -"IC' E !is!'i%/&# s=s'i)# %s /! %s&$!&%-i! "% "is%G# *!s!"! %/ ! $%'is! "% @% %s #si*% s%!$!$ /! %s&$)&$! "% #s '#?i'i%/&#s "% s%# '%"i!/&% ! i/&$#"))i;/ "% %%'%/&#s %i*%s %/&$% ! %s&$)&$!  s /"!)i;/8 "isi!/"# "% #$'! !si?! ! %/%$-=! s=s'i)!. As= % !is!"#$ s=s'i)# $%$%s%/&! / &$# "% '#?i'i%/&# s=s'i)# >#$i#/&!8 @% /# "%+! !s!$ ! %/%$-=! >!)i! ! %s&$)&$! @% s% %/)%/&$! s#*$% (. C#'# % '#?i'i%/&# >#$i#/&! "%*i"# ! sis'# %s ! )!s! $i/)i! "% "!G# %/ ! %s&$)&$!8 % !is!"#$ s=s'i)# ! $#&%-% $%")i%/"# s ?i*$!)i;/ !&%$! %/ ?!#$%s "% #$"%/ "% 6 ! 7 ?%)%s.















D%s"% % /&# "% ?is&! %/%$-(,)#8 ! !))i;/ s=s'i)! &$!/s'i&% %/%$-=! ! ! %s&$)&$!8 E

@% s% &$!/s#$'! %/ %/%$-=! %Hs,)! "% '#?i'i%/&#  "%#$'!)i;/

"isi!"!

¿ 8  %/ %/%$-=! ¿ ¿

E disipada. ) ( ¿¿ disipada.

¿

E $i/)ii# "% )#/s%$?!)i;/ "% ! %/%$-=! %s&!*%)% @% ! %/%$-=! /# s% )$%! /i s% "%s&$%8 s## s% &$!/s#$'!8 &$!/s#$'!8 #$ # &!/&# "%*% '!/&%/%$s% % %@ii*$i# %/&$% ! %/%$-=! "% %/&$!"!  ! s'! "% ! %/%$-=! %Hs,)!  ! %/%$-=! "isi!"!8 )#'# s% !/&%! %/ ! si-i%/&% %)!)i;/.

Eentrada

¿ Eel á stica stica



Edisipaada

L! %/%$-=! %Hs,)! s% )#/#$'! #$ ! %/%$-=! !'!)%/!"! "% "%#$'!)i;/ %Hs,)! E potencial

 #$ #$ %/%$-=! "% '#?i'i%/&#

Ecinetica

. L! %/%$ /%$-=! "% %/& %/&$!"! !"! "%*% "%*%













E

%!s %!s %s #$ '%"i# "% %/%$-=! %/%$-=! "% !'#$,-! !'#$,-!'i%/ 'i%/&# &# '%"i# '%"i# "% %/%$%/%$-=! =! >is&% >is&%$( $(,) ,)!! 

Eh isteretica ¿

¿

amortiguamiento

¿ ¿

 ! #&$! %s #$

8 ! )! s% *!s! %/ ! "),i"!" "% ss

'i%'*$#s8 ! #$'!)i;/ "% !$,)!)i#/%s Hs,)!s %/ %#s  / )#/s%)%/&% "!G# %s&$ %s&$)& )&$! $!88 @% %/ ')>!s ')>!s #)!si #)!si#/% #/%ss %s !$%)i !$%)i!* !*%. %. R% R%' '! !!/" !/"# # !s !/&% !/&%$i# $i#$% $%ss %)!)i#/%s &%/%'#s0

Eentrada



E potencial



Eciné tica



Eamortiguamiento

+ Eh ister ister é tica

L! "isi!)i;/ "% %/%$-=! "%/&$# "% /! %s&$)&$! %s #si*% #$ !'#$,-!'i%/&# ?is)#s# ?is)#s#88 #$ $i))i;/8 $i))i;/8 #$ !'#$,-!'i !'#$,-!'i%/& %/&# # >is&%$( >is&%$(,)# ,)#88 #$ i'!)&# i'!)&#  $!"i!)i; $!"i!)i;/. /. S% $%)!)! @% % $i/)ii# /"!'%/&! "% "is%G# sis'# $%sis&%/&% s% *!s% %/ @% ! )!!)i"!" "% "isi!)i;/ "% %/%$-=! "% !s %s&$)&$!s "%*% s%$ '!#$ @% ! "%'!/"! "% %/%$ %/%$-= -=!! >is& >is&%$ %$(, (,)! )!.. E/ ! !)& !)&! !i" i"!" !"88 !s !s /%?! /%?!ss &%)/ &%)/# ###-=! =!ss !$! !$! '%+# '%+#$! $!$$ % )#'#$&!'i%/&# s=s'i)# "% !s %s&$)&$!s "i)%/ @% ! &%/"%/)i! /# "%*% s%$ $i-i"i!$ E

¿













P#$ #&$! !$&%  %/ )#/&$!s&% )#/ ! #s#!/ $%")i"# %/ '!-/i&"8 si/# @% s% >!/ $%"is&$i*i"# s#*$% #s is#s8 'i,-!/"# % '#'%/&# @% ,%/"% ! ?#)!$ ! %s&$)&$!.













Si ?%'#s ! -$! 11 ! "%#$'!"! %s &$i!/-!$  ! -$! 12 %s )%$)!/! ! / $%)&H/-#8 "% %s&# &!'*i(/ #"$=!'#s "%)i$ @% ! %s&$)&$! )#/?%/)i#/! $%s%/&! !'i)!)i#/%s8 !'i)!)i#/%s8 %/ ! !)%%$!)i;/ !)%%$!)i;/  "%s!!'i%/&#s8 "%s!!'i%/&#s8 s%-/ s%-/ ! !&$! "% % %"i)i# %"i)i# ?! !'%/&!/"#8 'i%/&$!s @% ! %s&$)&$! !is!"! /# $%s%/&! !'i)!)i#/%s "% %s&% ,# -$! 3  4.













C#'# s% >! '%/)i#/!"# !/&%$i#$'%/&% #s "is#si,?#s "% !is!'i%/&# s=s'i)# s%!$!/ ! %s&$ %s&$)& )&$! $! "% s%# %$# /# &#"#s &#"#s s#/ i-! i-!%s %s ! @% %is %is&% &%/ / ?!$i# ?!$i#ss sis&% sis&%'! '!ss "% !is!'i%/&# @% s#/ ,i!"#s %/ ! !)&!i"!"  %/ #s @% s% ,i!/ "i%$%/&%s &()/i)!s  '!&%$i!%s. E/ ! si-i%/&% -$! ?%$%'#s #s )#'#/%/&%s "% &#"! %s&$)&$! !is!"!8 i/"%%/"i%/&%'%/&% i/"%%/"i%/&%'%/&% "% ,# @% s%!.















,ara com0renderlo a!n m1s2 de3niremos los siguien#es conce0#os4 *CAR"EN+ 1. U/i"!" "% Ais!'i%/� Es / %%'%/&# %s&$)&$! ' %i*% %/ ! "i$%))i;/ >#$i ># $i#/ #/&&!  s s'! '!'% '%/& /&%% $= $=-i -i"# "# %/ ! "i "i$$%) %))i )i;/ ;/ ?%$ %$,) ,)! ! @ @%% % %$' $'i& i&%% -$ -$!/ !/"% "%ss "%#$'!)i#/%s *!+# )!$-! s=s'i)!. 2. I/&%$! "% Ais!'i%/� Es % ='i&% i'!-i/!$i# @% %is&% %/&$% ! !$&% s%$i#$ "% " % ! %s&$)&$!8 ! )! %s&H !is!"!8  ! i/%$i#$ @% s% '%?% $=-i"!'%/&% )#/ % &%$$%/#. 3. Sis&%'! "% Ais!'i%/� Es % )#/+/&# sis&%'!s %s&$)&$!%s @% i/)% ! &#"!s !s /i"! /i"!"% "%ss "% !is !is!' !'i% i%/& / #8 "isi "isi! !"# "#$% $%ss "% %/%$ %/%$-= -=!!  sis& sis&%' %'!s !s "% $%s& $%s&$i $i)) ))i; i;/ / "% "%s!!'i%/&#s. A 'is' 'is'# # ,%' ,%'# # &%/% &%/%'# '#ss @% @% s!*% s!*%$$ @% @% #s #s !is !is!" !"#$ #$%s %s /# s#/ s#/ i-! i-!% %ss @% #s #s "isi!"#$%s s=s'i)#s.













TI,' DE AILAD'RE -"IC' 

Aisladores elas#om%ricos de 5a6o amor7guamien#o4

L#s !is!"#$%s %!s&#'($i)#s "% )!)># /!&$! "% *!+# !'#$,-!'i%/ >!/ si"# s!" s!"#s #s !'i 'i!' !'%/ %/&&% !$ !$%"%" %"%"#$ #$ "% "% '/" '/"# # %/ )#/+ #/+/) /)i; i;/ / )#/ )#/ "is "is#s #si, i,??#s "% !'#$,-!'i%/&# !"i)i#/!%s. Es&#s !is!"#$%s ,%/%/ "#s !)!s "% !)%$# %&%$/#s  ?!$i!s H'i/!s "%-!"!s "% !)%$# i/&%$/!s. E )!)># %s ?)!/i!"#  /i"# ! !s H'i/!s "%-!"!s "% !)%$# ! &$!?(s "% /! #%$!)i;/ si'%s *!+# $%si;/  &%'%$!&$! %/ / '#"%. V%$ Fi-. 3!. L!s H'i/!s "% !)%$# $%?i%/%/ % !*&!'i%/&# !&%$! "% )!)>#  $#?%% "% /! !&! $i-i"% ?%$,)! ! !is!"#$. L! $i-i"% >#$i#/&! "% !is!"#$ %s )#/&$#!"! #$ % *!+# ';"# "% )#$&% "% )!)>#. E )#'#$&!'i%/&# "% '!&%$i! %/ )#$&!/&% %s )!si i/%! >!s&! "%#$'!)i#/%s #$ )#$&% "% #$"%/ "% 1KK8 )#/ !'#$,-!'i%/&# %/ % $!/-# "%













Aislador elastomérico de Cauca !atural "!#

%$

Aisladores elas#om%ricos con n!cleo de 0lomo4

Es&% ,# "% !is!"#$%s s#/ si'i!$%s ! #s !/&%$i#$%s )#'%s&#s #$ H'i/!s0 "% )!)>#  !)%$# "% #$'! i/&%$)!!"! %$# @% )#/,%/% /# # ?!$i#s /)%#s "% #'#. L!s H'i/!s "% !)%$# %/ % !## %$!/ ! /)%# "% #'# ! "%#$'!$s% #$ )#$&%. L#s













Aislador elastomérico con !&cleo de 'lomo "(#$% "(#$% 

Aisladores elas#om%ricos de al#o amor7guamien#o4

L#s !is!" !is!"#$ #$%s %s %!s& %!s&#' #'($i ($i)# )#ss "% !&# !&# !'#$,!'#$,-!' !'i%/ i%/&# &# DR DR %s&H %s&H/ / %!*#$ %!*#$!"# !"#ss "% )!)># '#"i)!"# )#/ !"i,?#s &!%s )#'# !)%i&%s8 )!$*;/ %/ #?#8 $%si/!s8 #='%$#s













Es&% i/)$%'%/&# %/ $i-i"%  !'#$,-!'i%/&# >! si"# "i$i-i"# !$! $#")i$ / sis&%'! @% s%$H $=-i"# !$! %@%G!s s#i)i&!)i#/%s8 )!si i/%!  %i*% !$! / /i?% "% "is%G#  @% %"% i'i&!$ #s "%s!!'i%/&#s !$! /i?%%s "% s#i)i&!)i;/ '!#$. E !'#$,-!'i%/&# %/ %s&% ,# "% !is!"#$%s /# %s /i ?is)#s# /i >is&%$(,)#8 %$# ,%/% "% !'*# !'*#s. s. M, M, %s %s %/s! %/s!# #ss >!/ >!/ '#s& '#s&$! $!"# "# @% @% ! %/%$ %/%$-= -=!! "isi "isi! !"! "! #$ #$ )i) )i)# # %s $##$)i#/! ! "%s!!'i%/&# %%?!"# ! ! #&%/)i! 1.5.

















is#ema de ,%ndulo .riccional *.,+

Es / sis&%'! "% !is!'i%/&# @% )#'*i/! % %%)&# "% "%si!'i%/&# )#/ /! %$! $%s,&,?! -%/%$!"! #$ !s )!$-!s "% -$!?%"!"  ! -%#'%&$=!. C#/sis&% %/ / "%si!"#$ )#/%)&!"# ! ! s%$%s&$)&$! @% s% '%?% s#*$% /! s%$)i% );/)!?!. E/ ! -$! s% '%s&$!/ #s )#'#/%/&%s "% FPS. E '#?i'i%/&# $#")i"# %/ ! *!s% "%*i"# ! sis'# $#")i$H / "%s!!'i%/&# "%s!!'i%/&# %/ % "%si!"#$8 "%si!"#$8 % )! "isi!$H %/%$-=! #$ $i))i;/. D%*i"# ! ! #$'! );/)!?! "% ! s%$)i% "% "%si!'i%/&# ! %$! ?%$,)! &%/"$H / )#'#/%/&% &!/-%/)i! i's!$H ! )%/&$!$ % sis&%'!.













AILAD'R DE TRI,LE ,8ND&L' E !is!"#$ !is!"#$ "% (/"# (/"# T$i% #$%)% /

'%+# '%+#$$

$%/" $%/"i' i'i% i%/& /&# #

s=s' s=s'i) i)# #8

'%/#$ '%/#$%s %s )#s&# )#s&#ss "% $#"!' $#"!'i%/ i%/&# X  #s #s )#s )#s&#s &#s "% )#/s )#/s&$ &$) ))i )i;/ ;/ 'Hs 'Hs *!+#s8 %/ )#'!$!)i;/ )#/ ! &%)/# &%)/###-=! =! "% !is!' !is!'i%/ i%/&# &# s=s'i) s=s'i)# # )#/?%/ )#/?%/)i# )i#/! /!.. L!s $#i $#i%"! %"!"%s "%s "% )!"! /# "% #s &$%s (/"#s "%













E A## "% T$i% P(/"# #$%)% '%+#$ "%s%'%G# s=s'i)#8 $%")% #s )#s&#s ! )#'!$!)i;/ "% !s &%)/##-=!s )#/?%/)i#/!%s "% !si!'i%/&# s=s'i)#0













,rinci0ios de 0%ndulo de 9ricci:n4 *LE'NEL+ Ais!'i%/&# S=s'i)# E %$i#"# "% A## "% P(/"# "% F$i))i;/ %s s%%))i#/!"# si'%'%/&% %s)#-i%/"# % $!"i# "% )$?!& )$?!&$ $!! "% ! s%$ s%$)i% )i% );/)! );/)!?! ?!.. Es i/"%% i/"%%/" /"i%/ i%/&% &% "% ! '!s! '!s! "% ! %s&$ %s&$)& )&$! $! s##$& s##$&!"! !"!.. E !'#$,-!'i%/&# s% s%%))i#/! %s)#-i%/"# % )#%)i%/&% "% $i))i;/. L#s '#?i'i%/&#s "% &#$si;/ "% ! %s&$)&$! s#/ 'i/i'i!"#s #$@% #$@% % )%/&$# "% $i-i"% "% #s  #s A##s )#i/)i"% !&#'H,)!'%/&% !&#'H,)!'%/&% )#/ % )%/&$ )%/&$# # "% '!s! '!s! "% ! %s&$ %s&$)& )&$! $! s##$& s##$&!"! !"!.. E %$i#" %$i#"# # "% A## A##88 )!!)i )!!)i"! "!" " "% )!$-! )!$-! ?%$,) ?%$,)!8 !8 !'#$,!'#$,-!' !'i%/ i%/&# X )!!) )!!)i"! i"!" " "% "%s! "%s!! !'i% 'i%/& /&# #  )!!)i )!!)i"! "!" " "% &%/si &%/si;/ ;/ %"%/ %"%/ s%$ %s)#-i %s)#-i"!s "!s













DII,ACI(N DI I,ACI(N -"ICA -" ICA E "isi!"#$ %s !$! %"i)i#s %i*%s @% s% ?!/ ! '#?%$ *!s&!/&%8 )#'/'%/&% #$ %/)i'! "% #s 1K is#s8 is#s8 ,%/%/ #$ 'isi;/ ##/%$s% ##/%$s% ! '#?i'i%/&# '#?i'i%/&# "% sis'#  -%/%$!$ -%/%$!$ %$ %$!s )#/&$! &$!$i! $i!s ! ! %$ %$!! "% "% sis' sis'#. #. C#/ C#/ %s&# s% #-$ #-$!! % !'% '%/&# "% "% !'#$,-!'i%/&# %s s% $%")%/ !s %$!s s=s'i)!s  #s "%s!!'i%/&#s. E/ ! !$,)!$i"!" "% @% /# >!)%/ $%sis&%/)i! >!)i! % '#?i'i%/&# "% ! )#/s&$))i;/ si/#

















is#emas de aislamien#o u7lizando sis#emas de resor#es

C!/"# s% $%@i%$% $%@i%$% / !is!'i% !is!'i%/&# /&# &$i"i'%/s &$i"i'%/si#/! i#/! )#'%& )#'%&# # -%/%$! -%/%$!'%/& '%/&%% s% s!/

























m! #)!i!"! %/ % $i'%$ is# "% ! %s&$)&$!  /! '!s! m&! #)!i!"! %/ ! *!s%

"% %"i)i#. L! s%$%s&$)&$! ,%/% /! $i-i"% sQ  / !'#$,-!'i%/&# )sQ % sis&%'! sis&%'! "% !is!'i%/&# !is!'i%/&# ,%/% /! $i-i"% *Q  / !'#$,-!'i%/&# !'#$,-!'i%/&# )*Q )*Q  f"ura #$# #$# 

























La Asociación de Empresas sas Inmo Inmobi bili liar aria ias s del del Perú erú (ASE (ASEI I informó !ue los amortiguadores son m"s utili#ados en inmuebles



















































Aisladores Sismicos (1)

Recommend Documents