Finite element modelling approach for precast reinforced concrete beam-to-column connections under cyclic loading
•A softened damage-plasticity model with compression-softening is used for concrete.•A stress-slip model is developed for precast concrete to reflect bond-slip effect.•A pre-post concrete interface layer is developed in the finite element model.•3D numerical examples of cyclic tests of connections w...
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| Veröffentlicht in: | Engineering structures 2018-11, Vol.174, p.49-66 |
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| creator | Feng, De-Cheng Wu, Gang Lu, Yong |
| description | •A softened damage-plasticity model with compression-softening is used for concrete.•A stress-slip model is developed for precast concrete to reflect bond-slip effect.•A pre-post concrete interface layer is developed in the finite element model.•3D numerical examples of cyclic tests of connections were performed and validated.
In this paper, a finite element modelling approach is developed for the analysis of the cyclic behavior of precast beam-to-column connections. In particular, the modelling takes into account the compression-softening of concrete, the bond-slip effect in the critical regions and the representation of the post-cast concrete interface. A newly developed softened damage-plasticity model, which can reproduce the typical cyclic behavior of reinforced concrete, is adopted for concrete. Meanwhile, to reflect the significant bond-slip effect between concrete and reinforcement bars, the M-P stress-strain model is modified to account for the slippage by assuming the bar strain is the sum of the bar deformation and the slip, while the anchorage slip is theoretically derived and validated through benchmarking the pull-out tests. Additionally, a concrete layer between the precast concrete and the cast-in-situ concrete is incorporated to reflect the features of the interface. The proposed numerical modelling approach is validated through simulation of both interior and exterior precast beam-to-column connection tests. The validated models are subsequently employed to investigate the influences of key factors such as the compression-softening and the bond-slip effect on the analysis of the cyclic behavior of the precast beam-to-column connections. Results demonstrate that the proposed model is capable of reproducing the typical behavior of precast beam-to-column connections and can serve as an effective tool for the seismic performance analysis and investigation of design parameters of precast connections. |
| doi_str_mv | 10.1016/j.engstruct.2018.07.055 |
| format | Article |
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In this paper, a finite element modelling approach is developed for the analysis of the cyclic behavior of precast beam-to-column connections. In particular, the modelling takes into account the compression-softening of concrete, the bond-slip effect in the critical regions and the representation of the post-cast concrete interface. A newly developed softened damage-plasticity model, which can reproduce the typical cyclic behavior of reinforced concrete, is adopted for concrete. Meanwhile, to reflect the significant bond-slip effect between concrete and reinforcement bars, the M-P stress-strain model is modified to account for the slippage by assuming the bar strain is the sum of the bar deformation and the slip, while the anchorage slip is theoretically derived and validated through benchmarking the pull-out tests. Additionally, a concrete layer between the precast concrete and the cast-in-situ concrete is incorporated to reflect the features of the interface. The proposed numerical modelling approach is validated through simulation of both interior and exterior precast beam-to-column connection tests. The validated models are subsequently employed to investigate the influences of key factors such as the compression-softening and the bond-slip effect on the analysis of the cyclic behavior of the precast beam-to-column connections. Results demonstrate that the proposed model is capable of reproducing the typical behavior of precast beam-to-column connections and can serve as an effective tool for the seismic performance analysis and investigation of design parameters of precast connections.</description><identifier>ISSN: 0141-0296</identifier><identifier>EISSN: 1873-7323</identifier><identifier>DOI: 10.1016/j.engstruct.2018.07.055</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Beam-to-column connection ; Bond-slip effect ; Compression ; Computer simulation ; Cyclic behavior ; Cyclic loads ; Deformation ; Design parameters ; Earthquake damage ; Elastoplasticity ; Finite element analysis ; Finite element method ; Finite element modelling ; Load ; Materials fatigue ; Mathematical models ; Post-cast interface ; Precast concrete ; Pull out tests ; Reinforced concrete ; Seismic activity ; Seismic analysis ; Seismic engineering ; Seismic response ; Slip ; Slippage ; Softened damage-plasticity model ; Softening</subject><ispartof>Engineering structures, 2018-11, Vol.174, p.49-66</ispartof><rights>2018 Elsevier Ltd</rights><rights>Copyright Elsevier BV Nov 1, 2018</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c392t-83fd1156cf5de156ffb5bc4da743e3ff9b38f41a559b28ba3cba6c996b805dc13</citedby><cites>FETCH-LOGICAL-c392t-83fd1156cf5de156ffb5bc4da743e3ff9b38f41a559b28ba3cba6c996b805dc13</cites><orcidid>0000-0003-3691-6128</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0141029618315013$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27903,27904,65309</link.rule.ids></links><search><creatorcontrib>Feng, De-Cheng</creatorcontrib><creatorcontrib>Wu, Gang</creatorcontrib><creatorcontrib>Lu, Yong</creatorcontrib><title>Finite element modelling approach for precast reinforced concrete beam-to-column connections under cyclic loading</title><title>Engineering structures</title><description>•A softened damage-plasticity model with compression-softening is used for concrete.•A stress-slip model is developed for precast concrete to reflect bond-slip effect.•A pre-post concrete interface layer is developed in the finite element model.•3D numerical examples of cyclic tests of connections were performed and validated.
In this paper, a finite element modelling approach is developed for the analysis of the cyclic behavior of precast beam-to-column connections. In particular, the modelling takes into account the compression-softening of concrete, the bond-slip effect in the critical regions and the representation of the post-cast concrete interface. A newly developed softened damage-plasticity model, which can reproduce the typical cyclic behavior of reinforced concrete, is adopted for concrete. Meanwhile, to reflect the significant bond-slip effect between concrete and reinforcement bars, the M-P stress-strain model is modified to account for the slippage by assuming the bar strain is the sum of the bar deformation and the slip, while the anchorage slip is theoretically derived and validated through benchmarking the pull-out tests. Additionally, a concrete layer between the precast concrete and the cast-in-situ concrete is incorporated to reflect the features of the interface. The proposed numerical modelling approach is validated through simulation of both interior and exterior precast beam-to-column connection tests. The validated models are subsequently employed to investigate the influences of key factors such as the compression-softening and the bond-slip effect on the analysis of the cyclic behavior of the precast beam-to-column connections. Results demonstrate that the proposed model is capable of reproducing the typical behavior of precast beam-to-column connections and can serve as an effective tool for the seismic performance analysis and investigation of design parameters of precast connections.</description><subject>Beam-to-column connection</subject><subject>Bond-slip effect</subject><subject>Compression</subject><subject>Computer simulation</subject><subject>Cyclic behavior</subject><subject>Cyclic loads</subject><subject>Deformation</subject><subject>Design parameters</subject><subject>Earthquake damage</subject><subject>Elastoplasticity</subject><subject>Finite element analysis</subject><subject>Finite element method</subject><subject>Finite element modelling</subject><subject>Load</subject><subject>Materials fatigue</subject><subject>Mathematical models</subject><subject>Post-cast interface</subject><subject>Precast concrete</subject><subject>Pull out tests</subject><subject>Reinforced concrete</subject><subject>Seismic activity</subject><subject>Seismic analysis</subject><subject>Seismic engineering</subject><subject>Seismic response</subject><subject>Slip</subject><subject>Slippage</subject><subject>Softened damage-plasticity model</subject><subject>Softening</subject><issn>0141-0296</issn><issn>1873-7323</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkEtr5DAQhMWShZ0k-xtWsGc7eoxt-RhCXjCQS3IWcquV1WBLE0leyL-Phgm55tR0U1VNfYT84azljPdX-xbDay5phdIKxlXLhpZ13Q-y4WqQzSCFPCMbxre8YWLsf5HznPeMMaEU25C3Ox98QYozLhgKXaLFefbhlZrDIUUD_6iLiR4SgsmFJvSh7oCWQgyQsFonNEtTYgNxXpdwvAeE4mPIdA0WE4V3mD3QORpbgy_JT2fmjL8_5wV5ubt9vnlodk_3jzfXuwbkKEqjpLOcdz24zmKdzk3dBFtrhq1E6dw4SeW23HTdOAk1GQmT6WEc-0mxzgKXF-TvKbfWeFsxF72Pawr1pRZcciWlEGNVDScVpJhzQqcPyS8mvWvO9JGv3usvvvrIV7NBV77VeX1yYi3x32PSGTyGisZXWEXb6L_N-AC1_Ivs</recordid><startdate>20181101</startdate><enddate>20181101</enddate><creator>Feng, De-Cheng</creator><creator>Wu, Gang</creator><creator>Lu, Yong</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7ST</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0003-3691-6128</orcidid></search><sort><creationdate>20181101</creationdate><title>Finite element modelling approach for precast reinforced concrete beam-to-column connections under cyclic loading</title><author>Feng, De-Cheng ; Wu, Gang ; Lu, Yong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c392t-83fd1156cf5de156ffb5bc4da743e3ff9b38f41a559b28ba3cba6c996b805dc13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Beam-to-column connection</topic><topic>Bond-slip effect</topic><topic>Compression</topic><topic>Computer simulation</topic><topic>Cyclic behavior</topic><topic>Cyclic loads</topic><topic>Deformation</topic><topic>Design parameters</topic><topic>Earthquake damage</topic><topic>Elastoplasticity</topic><topic>Finite element analysis</topic><topic>Finite element method</topic><topic>Finite element modelling</topic><topic>Load</topic><topic>Materials fatigue</topic><topic>Mathematical models</topic><topic>Post-cast interface</topic><topic>Precast concrete</topic><topic>Pull out tests</topic><topic>Reinforced concrete</topic><topic>Seismic activity</topic><topic>Seismic analysis</topic><topic>Seismic engineering</topic><topic>Seismic response</topic><topic>Slip</topic><topic>Slippage</topic><topic>Softened damage-plasticity model</topic><topic>Softening</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Feng, De-Cheng</creatorcontrib><creatorcontrib>Wu, Gang</creatorcontrib><creatorcontrib>Lu, Yong</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Environment Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Engineering structures</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Feng, De-Cheng</au><au>Wu, Gang</au><au>Lu, Yong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Finite element modelling approach for precast reinforced concrete beam-to-column connections under cyclic loading</atitle><jtitle>Engineering structures</jtitle><date>2018-11-01</date><risdate>2018</risdate><volume>174</volume><spage>49</spage><epage>66</epage><pages>49-66</pages><issn>0141-0296</issn><eissn>1873-7323</eissn><abstract>•A softened damage-plasticity model with compression-softening is used for concrete.•A stress-slip model is developed for precast concrete to reflect bond-slip effect.•A pre-post concrete interface layer is developed in the finite element model.•3D numerical examples of cyclic tests of connections were performed and validated.
In this paper, a finite element modelling approach is developed for the analysis of the cyclic behavior of precast beam-to-column connections. In particular, the modelling takes into account the compression-softening of concrete, the bond-slip effect in the critical regions and the representation of the post-cast concrete interface. A newly developed softened damage-plasticity model, which can reproduce the typical cyclic behavior of reinforced concrete, is adopted for concrete. Meanwhile, to reflect the significant bond-slip effect between concrete and reinforcement bars, the M-P stress-strain model is modified to account for the slippage by assuming the bar strain is the sum of the bar deformation and the slip, while the anchorage slip is theoretically derived and validated through benchmarking the pull-out tests. Additionally, a concrete layer between the precast concrete and the cast-in-situ concrete is incorporated to reflect the features of the interface. The proposed numerical modelling approach is validated through simulation of both interior and exterior precast beam-to-column connection tests. The validated models are subsequently employed to investigate the influences of key factors such as the compression-softening and the bond-slip effect on the analysis of the cyclic behavior of the precast beam-to-column connections. Results demonstrate that the proposed model is capable of reproducing the typical behavior of precast beam-to-column connections and can serve as an effective tool for the seismic performance analysis and investigation of design parameters of precast connections.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.engstruct.2018.07.055</doi><tpages>18</tpages><orcidid>https://orcid.org/0000-0003-3691-6128</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Beam-to-column connection Bond-slip effect Compression Computer simulation Cyclic behavior Cyclic loads Deformation Design parameters Earthquake damage Elastoplasticity Finite element analysis Finite element method Finite element modelling Load Materials fatigue Mathematical models Post-cast interface Precast concrete Pull out tests Reinforced concrete Seismic activity Seismic analysis Seismic engineering Seismic response Slip Slippage Softened damage-plasticity model Softening |
| title | Finite element modelling approach for precast reinforced concrete beam-to-column connections under cyclic loading |
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