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    Vibration Dose Value in Passenger Car and Road Roughness

    Source: Journal of Transportation Engineering, Part B: Pavements:;2020:;Volume ( 146 ):;issue: 004
    Author:
    Peter Múčka
    DOI: 10.1061/JPEODX.0000200
    Publisher: ASCE
    Abstract: This study analyzed measured vibration dose value (VDV) in passenger cars as a function of longitudinal road roughness. The VDV was estimated on the passenger seat based on acceleration measured in three orthogonal axes on two measuring points—seat surface and feet. Measurements were provided on nine different cars of six categories and included a total travel distance of 1,860  km. The relation between VDV, International Roughness Index (IRI), and vehicle speed was estimated. Measured passenger VDV was fitted by a three-parameter function. Other parameters included vehicle type and road category (motorway, first-class road, second-class road). A low contribution (∼3%) of foot vibration to the total VDV was observed. Results were compared with VDV exposure action and limit values. The exposure action value VDV=9.1  m/s1.75 was almost always exceeded for vehicles traveling on road sections with an IRI>4.91  mm/m. New speed-related IRI thresholds are proposed based on VDV.
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      Vibration Dose Value in Passenger Car and Road Roughness

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    contributor authorPeter Múčka
    date accessioned2022-01-30T21:21:22Z
    date available2022-01-30T21:21:22Z
    date issued12/1/2020 12:00:00 AM
    identifier otherJPEODX.0000200.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4268055
    description abstractThis study analyzed measured vibration dose value (VDV) in passenger cars as a function of longitudinal road roughness. The VDV was estimated on the passenger seat based on acceleration measured in three orthogonal axes on two measuring points—seat surface and feet. Measurements were provided on nine different cars of six categories and included a total travel distance of 1,860  km. The relation between VDV, International Roughness Index (IRI), and vehicle speed was estimated. Measured passenger VDV was fitted by a three-parameter function. Other parameters included vehicle type and road category (motorway, first-class road, second-class road). A low contribution (∼3%) of foot vibration to the total VDV was observed. Results were compared with VDV exposure action and limit values. The exposure action value VDV=9.1  m/s1.75 was almost always exceeded for vehicles traveling on road sections with an IRI>4.91  mm/m. New speed-related IRI thresholds are proposed based on VDV.
    publisherASCE
    titleVibration Dose Value in Passenger Car and Road Roughness
    typeJournal Paper
    journal volume146
    journal issue4
    journal titleJournal of Transportation Engineering, Part B: Pavements
    identifier doi10.1061/JPEODX.0000200
    page15
    treeJournal of Transportation Engineering, Part B: Pavements:;2020:;Volume ( 146 ):;issue: 004
    contenttypeFulltext
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