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Effectiveness of elliptical rolling rods for base isolation

DSpace at IIT Bombay

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Title Effectiveness of elliptical rolling rods for base isolation
 
Creator JANGID, RS
LONDHE, YB
 
Description Elliptical rolling rods between the base and foundation of a structure provide a new base isolation system. Herein, the effectiveness of elliptical rolling rods for isolating a multistory building against earthquake forces is investigated. A theoretical formulation for obtaining seismic response of a multistory building supported on elliptical rolling rods is developed. Due to the nonlinear force-deformation behavior of elliptical rolling rods, the seismic response of the system is obtained using an iterative numerical integration technique. The effectiveness of elliptical rolling rods is studied by comparing the response between isolated and corresponding fixed base systems for different eccentricities of the rods. It is shown that elliptical rolling rods are quite effective in reducing the seismic response of the system without undergoing large base displacements.
 
Publisher ASCE-AMER SOC CIVIL ENGINEERS
 
Date 2011-07-18T11:42:28Z
2011-12-26T12:50:35Z
2011-12-27T05:36:12Z
2011-07-18T11:42:28Z
2011-12-26T12:50:35Z
2011-12-27T05:36:12Z
1998
 
Type Article
 
Identifier JOURNAL OF STRUCTURAL ENGINEERING-ASCE, 124(4), 469-472
0733-9445
http://dx.doi.org/10.1061/(ASCE)0733-9445(1998)124:4(469)
http://dspace.library.iitb.ac.in/xmlui/handle/10054/4904
http://hdl.handle.net/10054/4904
 
Language en