Post-Tensioning Distribution in Composite Bridges
Post-tensioning can be utilized to increase the flexural strength of beams in single-span, composite steel beam and concrete deck bridges, even when only deficient exterior beams are post-tensioned. Distribution of the axial forces and moments caused by eccentric post-tensioning of the deficient bea...
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| Veröffentlicht in: | Journal of structural engineering (New York, N.Y.) N.Y.), 1986-11, Vol.112 (11), p.2540-2553 |
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| container_end_page | 2553 |
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| container_issue | 11 |
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| container_title | Journal of structural engineering (New York, N.Y.) |
| container_volume | 112 |
| creator | Dunker, Kenneth F Wayne Klaiber, F Sanders, Wallace W |
| description | Post-tensioning can be utilized to increase the flexural strength of beams in single-span, composite steel beam and concrete deck bridges, even when only deficient exterior beams are post-tensioned. Distribution of the axial forces and moments caused by eccentric post-tensioning of the deficient beams must be considered in the design of the strengthening system, however. Finite element models, verified with laboratory and field testing, are used with multiple linear regression to develop design equations for force and moment distribution fractions for four-beam bridges. The design equations can be used easily by practicing engineers and provide the basis for a strengthening design methodology. |
| doi_str_mv | 10.1061/(ASCE)0733-9445(1986)112:11(2540) |
| format | Article |
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Distribution of the axial forces and moments caused by eccentric post-tensioning of the deficient beams must be considered in the design of the strengthening system, however. Finite element models, verified with laboratory and field testing, are used with multiple linear regression to develop design equations for force and moment distribution fractions for four-beam bridges. The design equations can be used easily by practicing engineers and provide the basis for a strengthening design methodology.</description><identifier>ISSN: 0733-9445</identifier><identifier>EISSN: 1943-541X</identifier><identifier>DOI: 10.1061/(ASCE)0733-9445(1986)112:11(2540)</identifier><identifier>CODEN: JSENDH</identifier><language>eng</language><publisher>Reston, VA: American Society of Civil Engineers</publisher><subject>Applied sciences ; beams ; Bridges ; Buildings. Public works ; Composite bridges ; composite materials ; Computation methods. Tables. 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Distribution of the axial forces and moments caused by eccentric post-tensioning of the deficient beams must be considered in the design of the strengthening system, however. Finite element models, verified with laboratory and field testing, are used with multiple linear regression to develop design equations for force and moment distribution fractions for four-beam bridges. The design equations can be used easily by practicing engineers and provide the basis for a strengthening design methodology.</description><subject>Applied sciences</subject><subject>beams</subject><subject>Bridges</subject><subject>Buildings. Public works</subject><subject>Composite bridges</subject><subject>composite materials</subject><subject>Computation methods. Tables. Charts</subject><subject>concrete</subject><subject>Exact sciences and technology</subject><subject>mechanical strength</subject><subject>steel</subject><subject>Structural analysis. 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| fulltext | fulltext |
| identifier | ISSN: 0733-9445 |
| ispartof | Journal of structural engineering (New York, N.Y.), 1986-11, Vol.112 (11), p.2540-2553 |
| issn | 0733-9445 1943-541X |
| language | eng |
| recordid | cdi_proquest_miscellaneous_746177781 |
| source | American Society of Civil Engineers:NESLI2:Journals:2014 |
| subjects | Applied sciences beams Bridges Buildings. Public works Composite bridges composite materials Computation methods. Tables. Charts concrete Exact sciences and technology mechanical strength steel Structural analysis. Stresses TECHNICAL PAPERS |
| title | Post-Tensioning Distribution in Composite Bridges |
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