This paper compares the theoretical effects of different heavy vehicle suspension designs on the dynamic response of highway bridges. Experimentally validated vehicle and bridge models are combined to predict dynamic bridge responses. This paper emphasizes the comparison of a leaf-sprung vehicle with an air-sprung vehicle. Bridges are chosen so that one bridge corresponds with the low frequency modes of the leaf-sprung vehicle (3.2 Hz), and one bridge corresponds to the low frequency modes of the air-sprung vehicle (1.6 Hz). In addition, because air-sprung vehicles apply relatively high dynamic loads in the wheel-hop mode, this study considers one bridge with a natural frequency of 12 Hz. The effect of two different bridge surface profiles are examined. One profile has a discrete irregularity (eg. an expansion joint) and the other has a pseudo-random roughness. For the profiles considered, the air-sprung vehicle is found to be more 'bridge-friendly' than the leaf-sprung vehicle.


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    Title :

    Assessment of bridge-friendliness of heavy vehicle suspensions


    Contributors:
    Green, M.F. (author)

    Published in:

    Heavy Vehicle Systems ; 3 , 1-4 ; 165-179


    Publication date :

    1996


    Size :

    15 Seiten, 12 Bilder, 3 Tabellen, 13 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Assessment of bridge-friendliness of heavy vehicle suspensions

    Green,M.F. / Queens Univ.,Dep.of Civil Engng.,CA | Automotive engineering | 1996


    Test of road friendliness for heavy vehicle suspensions

    Gyenes, L. / Mitchell, C.G. / Simmons, I.C.P. | Tema Archive | 1993


    Tests of road friendliness for heavy vehicle suspensions

    Gyenes, L. / Mitchell, C. G. / Simmons, I. C. P. et al. | British Library Conference Proceedings | 1993


    Evaluating of the Road-Friendliness at Heavy Vehicle Suspensions

    Palkovics, L. / Szell, P. / Vida, G. | British Library Conference Proceedings | 1996


    Test of road friendliness for heavy vehicles suspensions

    Gyenes,L. / Mitchell,C.G. / Transport Research Lab.,TRL,GB | Automotive engineering | 1993