Research Article
Sep 1979
Continuous Composite-Bridge Model Tests
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 105, Issue 9
Abstract
The results of ultimate-load tests on two continuous-span composite slab-girder bridge models are presented. One of the models was a three-girder two-span structure and the other was a three-girder three-span structure. Both models were tested to failure with a single concentrated load applied over the center girder. The purpose of the tests was to determine the variations in both the distribution of moment throughout the structures and the effective widths of slab acting with each girder as the load is increased to failure. The experimental results are compared with an existing analytical procedure and a major conclusion is that the analytical procedure may be used to conservatively model actual bridge structures up to failure loads. In addition, it is concluded that effective widths and distribution factors at failure loads are significantly different from values obtained at service loads. The implications of the latter observations in bridge design are discussed.
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Published In
Journal of the Structural Division
Volume 105 • Issue 9 • September 1979
Pages: 1741 - 1755
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© 1979 American Society of Civil Engineers.
History
Published in print: Sep 1979
Published online: Feb 1, 2021
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Authors
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Paul W. Botzler, AM.ASCE
Struct. Engr., Tamarack Corp., Glen Arm, Md.; formerly, Grad. Research Asst., Civ. Engrg. Dept., Univ. of Maryland, College Park, Md
James Colville, M.ASCE
Assoc. Prof., Civ. Engrg. Dept., Univ. of Maryland, College Park, Md.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.