Non-linear modeling parameters for reinforced concrete columns subjected to seismic loads

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Title: Non-linear modeling parameters for reinforced concrete columns subjected to seismic loads
Author: Sivaramakrishnan, Balaji
Abstract: The American Society of Civil Engineers (ASCE ) Standard 41 -06 Supplement No .1 (2007 ) assists engineers in modeling and evaluating the non -linear behavior of structures till collapse . Different levels of conservatism were used throughout the standard to produce modeling parameters for different structural elements , which leads to inconsistencies at the system level . Task to update current ASCE 41 -06 provisions pertaining to RC structures is now handled by ACI (American Concrete Institute ) committee 369 entitled “Seismic Repair and Rehabilitation” . This study is a part of ACI 369 committee’s effort . Existing provisions for non -linear analysis are re -assessed in this study for both rectangular and circular reinforced concrete columns . A database of 490 column tests was compiled for this project . Median rather than conservative estimates of non -linear modeling parameters were produced to achieve “best” estimates of structural behavior . Proposed modeling parameters show improved fit with experimental data over existing parameters . Data necessary for selection of acceptance criteria are provided .
URI: http : / /hdl .handle .net /2152 /ETD -UT -2010 -12 -2635
Date: 2011-02-14

Citation

Non-linear modeling parameters for reinforced concrete columns subjected to seismic loads. Master's thesis, University of Texas at Austin. Available electronically from http : / /hdl .handle .net /2152 /ETD -UT -2010 -12 -2635 .

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