Shake table testing and numerical simulation of a self-centering energy dissipative braced frame
SUMMARY The self‐centering energy dissipative (SCED) brace is a new steel bracing member that provides both damping to the structure and a re‐centering capability. The goal of this study was to confirm the behavior of SCED braces within complete structural systems and to confirm the ability to model...
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| Veröffentlicht in: | Earthquake engineering & structural dynamics 2013-09, Vol.42 (11), p.1617-1635 |
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| container_title | Earthquake engineering & structural dynamics |
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| creator | Erochko, Jeffrey Christopoulos, Constantin Tremblay, Robert Kim, Hyung-Joon |
| description | SUMMARY
The self‐centering energy dissipative (SCED) brace is a new steel bracing member that provides both damping to the structure and a re‐centering capability. The goal of this study was to confirm the behavior of SCED braces within complete structural systems and to confirm the ability to model these systems with both a state‐of‐the‐art computer model as well as a simplified model that would be useful to practicing engineers. To these ends, a three‐story SCED‐braced frame was designed and constructed for testing on a shake table. Two concurrent computer models of the entire frame were constructed: one using the opensees nonlinear dynamic modeling software, and a simplified model using the commercial structural analysis software sap2000. The frame specimen was subjected to 12 significant earthquakes without any adjustment or modification between the tests. The SCED braces prevented residual drifts in the frame, as designed, and did not show any significant degradation due to wear. Both numerical models were able to predict the drifts, story shears, and column forces well. Peak story accelerations were overestimated in the models; this effect was found to be caused by the absence of transitions at stiffness changes in the hysteretic model of the braces. Copyright © 2013 John Wiley & Sons, Ltd. |
| doi_str_mv | 10.1002/eqe.2290 |
| format | Article |
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The self‐centering energy dissipative (SCED) brace is a new steel bracing member that provides both damping to the structure and a re‐centering capability. The goal of this study was to confirm the behavior of SCED braces within complete structural systems and to confirm the ability to model these systems with both a state‐of‐the‐art computer model as well as a simplified model that would be useful to practicing engineers. To these ends, a three‐story SCED‐braced frame was designed and constructed for testing on a shake table. Two concurrent computer models of the entire frame were constructed: one using the opensees nonlinear dynamic modeling software, and a simplified model using the commercial structural analysis software sap2000. The frame specimen was subjected to 12 significant earthquakes without any adjustment or modification between the tests. The SCED braces prevented residual drifts in the frame, as designed, and did not show any significant degradation due to wear. Both numerical models were able to predict the drifts, story shears, and column forces well. Peak story accelerations were overestimated in the models; this effect was found to be caused by the absence of transitions at stiffness changes in the hysteretic model of the braces. Copyright © 2013 John Wiley & Sons, Ltd.</description><identifier>ISSN: 0098-8847</identifier><identifier>EISSN: 1096-9845</identifier><identifier>DOI: 10.1002/eqe.2290</identifier><identifier>CODEN: IJEEBG</identifier><language>eng</language><publisher>Chichester: Blackwell Publishing Ltd</publisher><subject>Computer programs ; Computer simulation ; Dissipation ; Drift ; Earth sciences ; Earth, ocean, space ; Earthquakes, seismology ; Engineering and environment geology. Geothermics ; Engineering geology ; Exact sciences and technology ; Frames ; high performance systems ; Internal geophysics ; Mathematical models ; nonlinear analysis ; residual drifts ; Seismic phenomena ; shaking table testing ; Software ; steel frames</subject><ispartof>Earthquake engineering & structural dynamics, 2013-09, Vol.42 (11), p.1617-1635</ispartof><rights>Copyright © 2013 John Wiley & Sons, Ltd.</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4270-42b1e94a40b56346889192d31ff7f284a21f6751292711c18a75e15b1be1c39d3</citedby><cites>FETCH-LOGICAL-c4270-42b1e94a40b56346889192d31ff7f284a21f6751292711c18a75e15b1be1c39d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Feqe.2290$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Feqe.2290$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,781,785,1418,27929,27930,45579,45580</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27637545$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Erochko, Jeffrey</creatorcontrib><creatorcontrib>Christopoulos, Constantin</creatorcontrib><creatorcontrib>Tremblay, Robert</creatorcontrib><creatorcontrib>Kim, Hyung-Joon</creatorcontrib><title>Shake table testing and numerical simulation of a self-centering energy dissipative braced frame</title><title>Earthquake engineering & structural dynamics</title><addtitle>Earthquake Engng Struct. Dyn</addtitle><description>SUMMARY
The self‐centering energy dissipative (SCED) brace is a new steel bracing member that provides both damping to the structure and a re‐centering capability. The goal of this study was to confirm the behavior of SCED braces within complete structural systems and to confirm the ability to model these systems with both a state‐of‐the‐art computer model as well as a simplified model that would be useful to practicing engineers. To these ends, a three‐story SCED‐braced frame was designed and constructed for testing on a shake table. Two concurrent computer models of the entire frame were constructed: one using the opensees nonlinear dynamic modeling software, and a simplified model using the commercial structural analysis software sap2000. The frame specimen was subjected to 12 significant earthquakes without any adjustment or modification between the tests. The SCED braces prevented residual drifts in the frame, as designed, and did not show any significant degradation due to wear. Both numerical models were able to predict the drifts, story shears, and column forces well. Peak story accelerations were overestimated in the models; this effect was found to be caused by the absence of transitions at stiffness changes in the hysteretic model of the braces. Copyright © 2013 John Wiley & Sons, Ltd.</description><subject>Computer programs</subject><subject>Computer simulation</subject><subject>Dissipation</subject><subject>Drift</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Earthquakes, seismology</subject><subject>Engineering and environment geology. Geothermics</subject><subject>Engineering geology</subject><subject>Exact sciences and technology</subject><subject>Frames</subject><subject>high performance systems</subject><subject>Internal geophysics</subject><subject>Mathematical models</subject><subject>nonlinear analysis</subject><subject>residual drifts</subject><subject>Seismic phenomena</subject><subject>shaking table testing</subject><subject>Software</subject><subject>steel frames</subject><issn>0098-8847</issn><issn>1096-9845</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkVFrFDEQx4MoeFbBjxAQwZetmSSbbB7lvFblVKSKjzGbna1pd7PXZFe9b2-OHhUE8WXmYX78hpk_IU-BnQJj_CXe4Cnnht0jK2BGVaaR9X2yYsw0VdNI_ZA8yvmKMSYU0yvy7eK7u0Y6u3YoFfMc4iV1saNxGTEF7waaw7gMbg5TpFNPHc049JXHOJd5gTFiutzTLuQcdgX7gbRNzmNH--RGfEwe9G7I-OTYT8iXs83n9Ztq-_H87frVtvKSa1ZJ3gIa6SRrayWkahoDhncC-l73vJGOQ690DdxwDeChcbpGqFtoEbwwnTghL269uzTdLOUQO4bscRhcxGnJFpSGWmnViP-jUhgtgKm6oM_-Qq-mJcVySKHAaNCl_RH6NOWcsLe7FEaX9haYPaRiSyr2kEpBnx-FLpfnlhdFH_Idz7USupaHxdUt9zMMuP-nz24-bY7eIx_yjL_ueJeurdJFab9-OLfr7Xb9_vXFO6vEb46Wp84</recordid><startdate>201309</startdate><enddate>201309</enddate><creator>Erochko, Jeffrey</creator><creator>Christopoulos, Constantin</creator><creator>Tremblay, Robert</creator><creator>Kim, Hyung-Joon</creator><general>Blackwell Publishing Ltd</general><general>Wiley</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7TG</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H96</scope><scope>KL.</scope><scope>KR7</scope><scope>L.G</scope><scope>SOI</scope><scope>7SM</scope><scope>7SU</scope></search><sort><creationdate>201309</creationdate><title>Shake table testing and numerical simulation of a self-centering energy dissipative braced frame</title><author>Erochko, Jeffrey ; Christopoulos, Constantin ; Tremblay, Robert ; Kim, Hyung-Joon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4270-42b1e94a40b56346889192d31ff7f284a21f6751292711c18a75e15b1be1c39d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Computer programs</topic><topic>Computer simulation</topic><topic>Dissipation</topic><topic>Drift</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Earthquakes, seismology</topic><topic>Engineering and environment geology. Geothermics</topic><topic>Engineering geology</topic><topic>Exact sciences and technology</topic><topic>Frames</topic><topic>high performance systems</topic><topic>Internal geophysics</topic><topic>Mathematical models</topic><topic>nonlinear analysis</topic><topic>residual drifts</topic><topic>Seismic phenomena</topic><topic>shaking table testing</topic><topic>Software</topic><topic>steel frames</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Erochko, Jeffrey</creatorcontrib><creatorcontrib>Christopoulos, Constantin</creatorcontrib><creatorcontrib>Tremblay, Robert</creatorcontrib><creatorcontrib>Kim, Hyung-Joon</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><collection>Earthquake Engineering Abstracts</collection><collection>Environmental Engineering Abstracts</collection><jtitle>Earthquake engineering & structural dynamics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Erochko, Jeffrey</au><au>Christopoulos, Constantin</au><au>Tremblay, Robert</au><au>Kim, Hyung-Joon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Shake table testing and numerical simulation of a self-centering energy dissipative braced frame</atitle><jtitle>Earthquake engineering & structural dynamics</jtitle><addtitle>Earthquake Engng Struct. Dyn</addtitle><date>2013-09</date><risdate>2013</risdate><volume>42</volume><issue>11</issue><spage>1617</spage><epage>1635</epage><pages>1617-1635</pages><issn>0098-8847</issn><eissn>1096-9845</eissn><coden>IJEEBG</coden><abstract>SUMMARY
The self‐centering energy dissipative (SCED) brace is a new steel bracing member that provides both damping to the structure and a re‐centering capability. The goal of this study was to confirm the behavior of SCED braces within complete structural systems and to confirm the ability to model these systems with both a state‐of‐the‐art computer model as well as a simplified model that would be useful to practicing engineers. To these ends, a three‐story SCED‐braced frame was designed and constructed for testing on a shake table. Two concurrent computer models of the entire frame were constructed: one using the opensees nonlinear dynamic modeling software, and a simplified model using the commercial structural analysis software sap2000. The frame specimen was subjected to 12 significant earthquakes without any adjustment or modification between the tests. The SCED braces prevented residual drifts in the frame, as designed, and did not show any significant degradation due to wear. Both numerical models were able to predict the drifts, story shears, and column forces well. Peak story accelerations were overestimated in the models; this effect was found to be caused by the absence of transitions at stiffness changes in the hysteretic model of the braces. Copyright © 2013 John Wiley & Sons, Ltd.</abstract><cop>Chichester</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/eqe.2290</doi><tpages>19</tpages></addata></record> |
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| subjects | Computer programs Computer simulation Dissipation Drift Earth sciences Earth, ocean, space Earthquakes, seismology Engineering and environment geology. Geothermics Engineering geology Exact sciences and technology Frames high performance systems Internal geophysics Mathematical models nonlinear analysis residual drifts Seismic phenomena shaking table testing Software steel frames |
| title | Shake table testing and numerical simulation of a self-centering energy dissipative braced frame |
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