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Response of the Double Variable Frequency Pendulum Isolator under Triaxial Ground Excitations

DSpace at IIT Bombay

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Title Response of the Double Variable Frequency Pendulum Isolator under Triaxial Ground Excitations
 
Creator PANCHAL, VR
JANGID, RS
SONI, DP
MISTRY, BB
 
Subject base-isolated buildings
sliding structures
earthquake excitation
hysteretic systems
random vibration
teflon bearings
friction
motion
behavior
double variable frequency pendulum isolator
normal forces
vertical component of ground motion
variable frequency pendulum isolator
bilateral interaction
seismic isolation
 
Description Modeling techniques of double variable frequency pendulum isolator (DVFPI) are presented. Seismic responses of the three-dimensional single-story building isolated by DVFPI with different coefficient of friction and initial time period of top and bottom sliding surfaces are investigated under triaxial ground motions and compared with unilateral and bilateral ground excitations. Furthermore, the influence of vertical flexibility on horizontal response is also investigated. It is observed that the triaxial ground motion has noticeable effect on response of the building relative to unilateral ground motion. The error in peak resultant base shear, occurring by neglecting vertical ground motion component, could be significant.
 
Publisher TAYLOR & FRANCIS LTD
 
Date 2011-08-31T04:13:42Z
2011-12-26T12:59:21Z
2011-12-27T05:51:14Z
2011-08-31T04:13:42Z
2011-12-26T12:59:21Z
2011-12-27T05:51:14Z
2010
 
Type Article
 
Identifier JOURNAL OF EARTHQUAKE ENGINEERING, 14(4), 527-558
1363-2469
http://dx.doi.org/10.1080/13632460903294390
http://dspace.library.iitb.ac.in/xmlui/handle/10054/12578
http://hdl.handle.net/10054/12578
 
Language en