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Assessment of shear capacity of prestressed concrete members with insufficient web reinforcement using AASHTO LRFD general shear design method
•Influence of prestressing on the shear capacity of prestressed concrete (PC) members.•Longitudinal prestressing (axial clamping) is observed to mitigate the size effect.•A simple modification to AASHTO LRFD shear design method was proposed.•Using the proposed method, the accuracy of shear capacity...
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Published in: | Engineering structures 2021-09, Vol.242, p.112530, Article 112530 |
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creator | Choi, Jongkwon Zaborac, Jarrod Bayrak, Oguzhan |
description | •Influence of prestressing on the shear capacity of prestressed concrete (PC) members.•Longitudinal prestressing (axial clamping) is observed to mitigate the size effect.•A simple modification to AASHTO LRFD shear design method was proposed.•Using the proposed method, the accuracy of shear capacity estimations increased.•Validated with nonlinear finite element analysis and statical analysis using UTPCSDB.
The shear capacity assessment of in-service bridges has become a major challenge for practicing engineers due to the growing inventory of aging bridges. Specifically, a question arises for the applicability of the general shear design provisions in AASHTO LRFD as a tool for evaluating the shear capacity of prestressed concrete members with insufficient web reinforcement, due to the beneficial effect of prestressing. To investigate the influence of prestressing on the shear capacity of prestressed concrete members with noncompliant web reinforcement, the influence of the prestressing on shear behavior was investigated with the emphasis on the distinctive behaviors of such members. Then a rational assessment procedure for general prestressed concrete members is provided. A simple modification to current AASHTO LRFD shear design method was proposed to accurately calculate the shear capacities of such members. The accuracy of shear capacity estimation using the proposed method has improved and it was validated with nonlinear finite element analysis and statistical analysis using the University of Texas Prestressed Concrete Shear Database. |
doi_str_mv | 10.1016/j.engstruct.2021.112530 |
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The shear capacity assessment of in-service bridges has become a major challenge for practicing engineers due to the growing inventory of aging bridges. Specifically, a question arises for the applicability of the general shear design provisions in AASHTO LRFD as a tool for evaluating the shear capacity of prestressed concrete members with insufficient web reinforcement, due to the beneficial effect of prestressing. To investigate the influence of prestressing on the shear capacity of prestressed concrete members with noncompliant web reinforcement, the influence of the prestressing on shear behavior was investigated with the emphasis on the distinctive behaviors of such members. Then a rational assessment procedure for general prestressed concrete members is provided. A simple modification to current AASHTO LRFD shear design method was proposed to accurately calculate the shear capacities of such members. The accuracy of shear capacity estimation using the proposed method has improved and it was validated with nonlinear finite element analysis and statistical analysis using the University of Texas Prestressed Concrete Shear Database.</description><identifier>ISSN: 0141-0296</identifier><identifier>EISSN: 1873-7323</identifier><identifier>DOI: 10.1016/j.engstruct.2021.112530</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Aging ; Assessment ; Bridges ; Concrete ; Design ; Design modifications ; Design techniques ; Finite element analysis ; Finite element method ; In-service bridge ; Prestressed concrete ; Prestressing ; Reinforcement ; Shear ; Shear capacity ; Size effect ; Statistical analysis ; Web reinforcement ; Webs (structural)</subject><ispartof>Engineering structures, 2021-09, Vol.242, p.112530, Article 112530</ispartof><rights>2021 Elsevier Ltd</rights><rights>Copyright Elsevier BV Sep 1, 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c343t-9e7ff75ea5cd25ab740aec89d504545e426a65cd25d8d76a426b4440d9d1d3c3</citedby><cites>FETCH-LOGICAL-c343t-9e7ff75ea5cd25ab740aec89d504545e426a65cd25d8d76a426b4440d9d1d3c3</cites><orcidid>0000-0003-2573-5102</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Choi, Jongkwon</creatorcontrib><creatorcontrib>Zaborac, Jarrod</creatorcontrib><creatorcontrib>Bayrak, Oguzhan</creatorcontrib><title>Assessment of shear capacity of prestressed concrete members with insufficient web reinforcement using AASHTO LRFD general shear design method</title><title>Engineering structures</title><description>•Influence of prestressing on the shear capacity of prestressed concrete (PC) members.•Longitudinal prestressing (axial clamping) is observed to mitigate the size effect.•A simple modification to AASHTO LRFD shear design method was proposed.•Using the proposed method, the accuracy of shear capacity estimations increased.•Validated with nonlinear finite element analysis and statical analysis using UTPCSDB.
The shear capacity assessment of in-service bridges has become a major challenge for practicing engineers due to the growing inventory of aging bridges. Specifically, a question arises for the applicability of the general shear design provisions in AASHTO LRFD as a tool for evaluating the shear capacity of prestressed concrete members with insufficient web reinforcement, due to the beneficial effect of prestressing. To investigate the influence of prestressing on the shear capacity of prestressed concrete members with noncompliant web reinforcement, the influence of the prestressing on shear behavior was investigated with the emphasis on the distinctive behaviors of such members. Then a rational assessment procedure for general prestressed concrete members is provided. A simple modification to current AASHTO LRFD shear design method was proposed to accurately calculate the shear capacities of such members. The accuracy of shear capacity estimation using the proposed method has improved and it was validated with nonlinear finite element analysis and statistical analysis using the University of Texas Prestressed Concrete Shear Database.</description><subject>Aging</subject><subject>Assessment</subject><subject>Bridges</subject><subject>Concrete</subject><subject>Design</subject><subject>Design modifications</subject><subject>Design techniques</subject><subject>Finite element analysis</subject><subject>Finite element method</subject><subject>In-service bridge</subject><subject>Prestressed concrete</subject><subject>Prestressing</subject><subject>Reinforcement</subject><subject>Shear</subject><subject>Shear capacity</subject><subject>Size effect</subject><subject>Statistical analysis</subject><subject>Web reinforcement</subject><subject>Webs (structural)</subject><issn>0141-0296</issn><issn>1873-7323</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFkNFOwjAUhhujiYg-g028HrZdu43LBUVMSEiU-6a0Z1DCOmw3CS_hM9sB8dark57-5zs5H0KPlIwoodnzdgRuHVrf6XbECKMjSplIyRUa0CJPkzxl6TUaEMppQtg4u0V3IWwJIawoyAD9lCFACDW4FjcVDhtQHmu1V9q2x76z9xDhMQIG68ZpDy3gGuoV-IAPtt1g60JXVVbbnnGAFfZgXdV4DSdqF6xb47L8nC0XeP4xfcFrcODV7rLMQLBrF5HtpjH36KZSuwAPlzpEy-nrcjJL5ou390k5T3TK0zYZQ15VuQAltGFCrXJOFOhibAThggvgLFPZ6c8UJs9UfK8458SMDTWpTofo6Yzd--ariwfKbdN5FzdKJgTNKaMki6n8nNK-CcFDJffe1sofJSWydy-38s-97N3Ls_s4WZ4nId7wbcHL0OvRYKyHmDWN_ZfxCysIlGg</recordid><startdate>20210901</startdate><enddate>20210901</enddate><creator>Choi, Jongkwon</creator><creator>Zaborac, Jarrod</creator><creator>Bayrak, Oguzhan</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/0000-0003-2573-5102</orcidid></search><sort><creationdate>20210901</creationdate><title>Assessment of shear capacity of prestressed concrete members with insufficient web reinforcement using AASHTO LRFD general shear design method</title><author>Choi, Jongkwon ; Zaborac, Jarrod ; Bayrak, Oguzhan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c343t-9e7ff75ea5cd25ab740aec89d504545e426a65cd25d8d76a426b4440d9d1d3c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Aging</topic><topic>Assessment</topic><topic>Bridges</topic><topic>Concrete</topic><topic>Design</topic><topic>Design modifications</topic><topic>Design techniques</topic><topic>Finite element analysis</topic><topic>Finite element method</topic><topic>In-service bridge</topic><topic>Prestressed concrete</topic><topic>Prestressing</topic><topic>Reinforcement</topic><topic>Shear</topic><topic>Shear capacity</topic><topic>Size effect</topic><topic>Statistical analysis</topic><topic>Web reinforcement</topic><topic>Webs (structural)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Choi, Jongkwon</creatorcontrib><creatorcontrib>Zaborac, Jarrod</creatorcontrib><creatorcontrib>Bayrak, Oguzhan</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>Choi, Jongkwon</au><au>Zaborac, Jarrod</au><au>Bayrak, Oguzhan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Assessment of shear capacity of prestressed concrete members with insufficient web reinforcement using AASHTO LRFD general shear design method</atitle><jtitle>Engineering structures</jtitle><date>2021-09-01</date><risdate>2021</risdate><volume>242</volume><spage>112530</spage><pages>112530-</pages><artnum>112530</artnum><issn>0141-0296</issn><eissn>1873-7323</eissn><abstract>•Influence of prestressing on the shear capacity of prestressed concrete (PC) members.•Longitudinal prestressing (axial clamping) is observed to mitigate the size effect.•A simple modification to AASHTO LRFD shear design method was proposed.•Using the proposed method, the accuracy of shear capacity estimations increased.•Validated with nonlinear finite element analysis and statical analysis using UTPCSDB.
The shear capacity assessment of in-service bridges has become a major challenge for practicing engineers due to the growing inventory of aging bridges. Specifically, a question arises for the applicability of the general shear design provisions in AASHTO LRFD as a tool for evaluating the shear capacity of prestressed concrete members with insufficient web reinforcement, due to the beneficial effect of prestressing. To investigate the influence of prestressing on the shear capacity of prestressed concrete members with noncompliant web reinforcement, the influence of the prestressing on shear behavior was investigated with the emphasis on the distinctive behaviors of such members. Then a rational assessment procedure for general prestressed concrete members is provided. A simple modification to current AASHTO LRFD shear design method was proposed to accurately calculate the shear capacities of such members. The accuracy of shear capacity estimation using the proposed method has improved and it was validated with nonlinear finite element analysis and statistical analysis using the University of Texas Prestressed Concrete Shear Database.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.engstruct.2021.112530</doi><orcidid>https://orcid.org/0000-0003-2573-5102</orcidid></addata></record> |
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subjects | Aging Assessment Bridges Concrete Design Design modifications Design techniques Finite element analysis Finite element method In-service bridge Prestressed concrete Prestressing Reinforcement Shear Shear capacity Size effect Statistical analysis Web reinforcement Webs (structural) |
title | Assessment of shear capacity of prestressed concrete members with insufficient web reinforcement using AASHTO LRFD general shear design method |
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