Analysis of Dynamic Response of Highway Bridges

by Anestis S. Veletsos, (M.ASCE), Brown and Root Prof. of Engrg. and Chmn.; Dept. of Civ. Engrg., Rice Univ., Houston, TX,
Tseng Huang, (A.M.ASCE), Prof. of Civ. Engrg.; Univ. of Texas at Arlington, Arlington, TX,

Serial Information: Journal of the Engineering Mechanics Division, 1970, Vol. 96, Issue 5, Pg. 593-620

Document Type: Journal Paper


A method for the computation of the dynamic response of highway bridges under the action of moving vehicles is presented. The bridge is idealized as a single, linearly elastic beam with distributed flexibility and concentrated point masses, and the vehicle is represented as a three-axle sprung load, with due account taken of the effect of interleaf friction in its suspension system. The application of this method to numerous research investigations is reviewed, and the dynamic resopnse characteristics of certain cantilever bridges are analyzed, with particular reference to the relative susceptibility to vibration of this and other bridge types.

Subject Headings: Cantilever bridges | Highway bridges | Bridge-vehicle interaction | Bridge tests | Dynamic structural analysis | Dynamic analysis | Suspension bridges | Vehicle loads

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