Analysis of Segmentally Constructed Prestressed Concrete Bridges Using Hexahedral Elements with Realistic Tendon Profiles
AbstractThe paper presents a systematically numerical procedure based on the finite-element method for three-dimensional analysis of segmentally constructed prestressed concrete bridges using hexahedral elements including realistic tendon profiles. The enhanced assumed strain (EAS) is used in the fo...
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| Veröffentlicht in: | Journal of structural engineering (New York, N.Y.) N.Y.), 2014-06, Vol.140 (6) |
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| container_title | Journal of structural engineering (New York, N.Y.) |
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| creator | Norachan, Pramin Kim, Ki-Du Oñate, Eugenio |
| description | AbstractThe paper presents a systematically numerical procedure based on the finite-element method for three-dimensional analysis of segmentally constructed prestressed concrete bridges using hexahedral elements including realistic tendon profiles. The enhanced assumed strain (EAS) is used in the formulation of the hexahedral element in order to improve the element performances. Both the geometric nonlinearity and time-dependent effects due to creep, shrinkage, and aging of the concrete and relaxation of the prestress are taken into account, while variations of the structural configuration due to changes of the structural geometry and boundary conditions during the construction process are also incorporated. To include realistic tendon profiles, the idealized prestressing tendon is represented by a system of piecewise linear prestressing segments. Several numerical examples in a wide range of prestressed concrete structures are presented to demonstrate the validity and efficiency of the proposed procedure. Finally, application to the erection of a segmentally erected prestressed concrete bridge is discussed at the end of the paper. |
| doi_str_mv | 10.1061/(ASCE)ST.1943-541X.0000923 |
| format | Article |
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The enhanced assumed strain (EAS) is used in the formulation of the hexahedral element in order to improve the element performances. Both the geometric nonlinearity and time-dependent effects due to creep, shrinkage, and aging of the concrete and relaxation of the prestress are taken into account, while variations of the structural configuration due to changes of the structural geometry and boundary conditions during the construction process are also incorporated. To include realistic tendon profiles, the idealized prestressing tendon is represented by a system of piecewise linear prestressing segments. Several numerical examples in a wide range of prestressed concrete structures are presented to demonstrate the validity and efficiency of the proposed procedure. 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Finally, application to the erection of a segmentally erected prestressed concrete bridge is discussed at the end of the paper.</description><subject>Bridge construction</subject><subject>Concrete construction</subject><subject>Construction</subject><subject>Mathematical models</subject><subject>Prestressed concrete</subject><subject>Prestressing</subject><subject>Shrinkage</subject><subject>Technical Papers</subject><subject>Tendons</subject><issn>0733-9445</issn><issn>1943-541X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNp1kFFLwzAUhYMoOKf_IfikD51Jm7apb3NMJwwUt4FvIWtvtkjWztwO3b83dbI378u9HM45cD9CrjkbcJbxu5vhbDS-nc0HvBBJlAr-PmBhijg5Ib2jdkp6LE-SqBAiPScXiB_Bk6dc9sh-WGu3R4u0MXQGqw3UrXZuT0dNja3flS1U9NVDuAEx3EEvPbRAH7ytVoB0gbZe0Ql86zVUXjs6dtC1IP2y7Zq-gXYWW1vSOdRVU4eyxlgHeEnOjHYIV3-7TxaP4_loEk1fnp5Hw2mkk5y1URYXLDGiSJayqNKlyH8FFpsi5sJUea7zMmOVkUJKYYqMy0wyyEohdQpyyZM-uTn0bn3zuQuPqI3FEpzTNTQ7VCEg0jRmaR6s9wdr6RtED0Ztvd1ov1ecqY63Uh1vNZurjq3q2Ko_3iGcHcI6tKuPZucDWTwm_w_-APG2hlY</recordid><startdate>20140601</startdate><enddate>20140601</enddate><creator>Norachan, Pramin</creator><creator>Kim, Ki-Du</creator><creator>Oñate, Eugenio</creator><general>American Society of Civil Engineers</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20140601</creationdate><title>Analysis of Segmentally Constructed Prestressed Concrete Bridges Using Hexahedral Elements with Realistic Tendon Profiles</title><author>Norachan, Pramin ; Kim, Ki-Du ; Oñate, Eugenio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a370t-62903f493b89d5b476290302f9214fd77a7c60df84884f9618680e6c48a5e8b13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Bridge construction</topic><topic>Concrete construction</topic><topic>Construction</topic><topic>Mathematical models</topic><topic>Prestressed concrete</topic><topic>Prestressing</topic><topic>Shrinkage</topic><topic>Technical Papers</topic><topic>Tendons</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Norachan, Pramin</creatorcontrib><creatorcontrib>Kim, Ki-Du</creatorcontrib><creatorcontrib>Oñate, Eugenio</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Journal of structural engineering (New York, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Norachan, Pramin</au><au>Kim, Ki-Du</au><au>Oñate, Eugenio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysis of Segmentally Constructed Prestressed Concrete Bridges Using Hexahedral Elements with Realistic Tendon Profiles</atitle><jtitle>Journal of structural engineering (New York, N.Y.)</jtitle><date>2014-06-01</date><risdate>2014</risdate><volume>140</volume><issue>6</issue><issn>0733-9445</issn><eissn>1943-541X</eissn><abstract>AbstractThe paper presents a systematically numerical procedure based on the finite-element method for three-dimensional analysis of segmentally constructed prestressed concrete bridges using hexahedral elements including realistic tendon profiles. The enhanced assumed strain (EAS) is used in the formulation of the hexahedral element in order to improve the element performances. Both the geometric nonlinearity and time-dependent effects due to creep, shrinkage, and aging of the concrete and relaxation of the prestress are taken into account, while variations of the structural configuration due to changes of the structural geometry and boundary conditions during the construction process are also incorporated. To include realistic tendon profiles, the idealized prestressing tendon is represented by a system of piecewise linear prestressing segments. Several numerical examples in a wide range of prestressed concrete structures are presented to demonstrate the validity and efficiency of the proposed procedure. 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| issn | 0733-9445 1943-541X |
| language | eng |
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| source | American Society of Civil Engineers:NESLI2:Journals:2014 |
| subjects | Bridge construction Concrete construction Construction Mathematical models Prestressed concrete Prestressing Shrinkage Technical Papers Tendons |
| title | Analysis of Segmentally Constructed Prestressed Concrete Bridges Using Hexahedral Elements with Realistic Tendon Profiles |
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