Presentacion Terremoto Northridge

7/26/2019 Presentacion Terremoto Northridge

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S

Terremoto

Northridge 1994 PREPARADO POR:AZZAT KECHICHIAN CI. 19.611.51PA!E"A SA"AZAR CI.

"EONARDO R#IZ CI.

CAR"OS $AS%#EZ CI. 19&'(5&&

)ARCE"ONA* +#"IO DE ,&14

#NI$ERSIDAD SANTA !ARIA

N#C"EO ORIENTE

-AC#"TAD DE INENIERIA

ESTR#CT#RAS II


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S

O)SER$ACIONES

"/0 e0tr2tr/0 de /2ero hi0t3ri2/mete h/ teido e

de0eme7o dr/te 8/ o2rre2i/ de terremoto0* e0to 0e /trie /:

"igere/

D2ti8id/d

r/ Rigide

Po2/ E;o0i2i3

A e0/r de e0to* e0tr2tr/0 de /2ero moder/0 h/ re0et/doro8em/0 imort/te0 e terremoto0 re2iete0.


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DATOS DE" SIS!O

"g/r: Are/ Norte de8 $/88e de S/ -er/do* Cid/d de "o0 Age8e0 < C/8i=ori/

-e2h/: "e0 1 de Eero de 1994

4:(&:55 A! Hor/ "o2/8

Dr/2io: 1& / ,& Segdo0

!/gitd: 6* >Rit2hter?

A2e8er/2io de8 Se8o @ 1*' g

$e8o2id/d !/;im/ de8 terreo: 1'( 2m0

, RB8i2/0 de 6 !

, !erto0* 1,&&& herido0* PBrdid/0: ,5.&&&.&&&


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5/17

DATOS DE" SIS!O

Regi0tro de 0i0mogr/m/ e -/ir/0>A8/0/?* di0t/2i/ei2etr/8 (5F


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Regi0tro0 de 8o0 0i0mogr/m/0 de8terremoto deNorthridge >C/8i=ori/? de

m/gitd 6. de 1 de Eero de1994. C/d/ 0i0mogr/m/me0tr/ e8 de08//mieto de80e8o e 8/ Gerti2/8. "/ 8o2/8i/2i3de 2/d/0i0mogr/m/ / 8o 8/rgo de8 eehoriot/8 me0tr/ 8/ di0t/2i/ de

0 e0t/2i3 /8ei2etro* medid/ e gr/do. E8 eeGerti2/8 me0tr/ e8 tiemo e0egdo0 1&&*medido0 de0de e8 ii2io de8terremoto* 1,:(&:55 #TC. Se7/8/

e di2h/ Jgr/ 8/088eg/d/0 P* 8/0 S* 8/0 88eg/d/0 PP*

DATOS DE" SIS!O


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ESTR#CT#RAS A-ECTADAS


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CA" STATENORTHRIDE

E0t/2io/mieto 2o2//2id/d /r/ ,5&&

2/rro0

Co8/0o /r2i/8

-r/2tr/ eCo8m/0


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S/ -er/do $/88eA/rtmet

Derrme e 8/8/t/ de g/r/e

EdiJ2io de 8/dere2h/ >eme8o? o=/883


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A#TOPISTA SI!I$A""E

P/deo de 2o8m/0de 0oorte

-/88o e0tr2tr/8rod2ido or /8t//2e8er/2i3 Gerti2/8


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Estructuras de Concreto

PrefabricadoC/0/0 de 8/0 =/88/0:

$io8/2i3 de 8/2om/tii8id/d dede=orm/2i3

A22i3 i/de2/d/ de8di/=r/gm/


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Estructuras Metlicas

-/88/ =rLgi8 / iGe8 de 8/

0o8d/dr/ de8 /8/ de 8/ Gig// 8/ 2o8m/

D/7o0 tom/ro or 0orre0// 8o0 ro=e0io/8e0 de8di0e7o 8/ 2o0tr22i3

D/7o0 0eGero0 e 8/02oe;ioe0 Gig/M 2o8m/i280o e ediJ2io0 re2iete0


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C/mio0 e 8o0 23digo0 de

2o0tr22i3

A/rt/meto0m8ti=/mi8i/re0 de i0o8/do =erorohiido0

E;te0i3 de i0o0 dem/der/ 15 m/0 /88Lde8 mro de 2orte


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2o0tr22i3

The Pre-Northridge Connection

Lateral

loads

resisted by

moments

developed

in frame

Beams welded and

bolted to columns

Complex joint

) closer loo*

+igh force

transfer at

connection

(ea* section at

face of columnNumerous

stress risers

in typical

joint detail


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.educed Beam

$ection 1.B$2

)lso called 3ogbone4

connection5 less costly! simpler

than reinforced connections

#orces hinge formation to

occur within reduced section

Now one of the mostcommonly used connections

Bolted /nstiffened and Stiffened Etended End*PlateMoment Connections


2o0tr22i3


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"%MA VE"E23A"A

ES4%/C4/%AS E ACE% PA%A E5F5CAC5"ES6M74 E 3S ES4AS 38M54ES91ra%e:isi;n,1??>

CME"4A%5

C/mio0 E "/ Norm/$eeo8// Po0tM

Northridge

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Presentacion Terremoto Northridge