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Analysis of the impact of pavement surface mixture on traffic noise and related public health

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dc.contributor.authorLu, Qing
dc.contributor.authorLi, Mingyang
dc.date.accessioned2022-07-07T16:15:41Z
dc.date.available2022-07-07T16:15:41Z
dc.date.issued2022-06-30
dc.descriptionProject Descriptionen_US
dc.description.abstractRoad traffic noise is a harmful environmental pollutant that affects public health. Reducing the tire-pavement noise by appropriate design of a sustainable pavement may reduce the road traffic noise. This study developed and applied a procedure to predict the road traffic noise and resulting health impact from the design parameters of a commonly used pavement surface mixture type, open-graded asphalt concrete (OGAC), and evaluated the impact of including a renewable material (seashell) in OGAC on its mechanical and acoustic performance. A series of empirical models were combined to correlate the mixture design parameters to the perceived road traffic noise and health indicators. Case study results showed that reducing the nominal maximum aggregate size (NMAS) from 19.0 mm to a smaller value had a noticeable impact on the perceived noise from car traffic and the resulting public health. For a given NMAS, variations in the OGAC design parameters did not cause significant change in the perceived noise. The laboratory evaluation of the incorporation of seashell in OGAC showed that coarse aggregates may be replaced with seashell up to a certain percentage without causing statistically significant changes in most mixture properties. The inclusion of seashell, however, reduced the permeability, acoustic absorption, and macrotexture of OGAC, which suggested that seashell in OGAC may increase the tire-pavement noise at high frequencies but reduce the tire-pavement noise at low frequencies.en_US
dc.description.sponsorshipU.S. Department of Transportation 69A3551747119en_US
dc.identifier.urihttps://hdl.handle.net/1813/111355
dc.language.isoen_USen_US
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.titleAnalysis of the impact of pavement surface mixture on traffic noise and related public healthen_US
dc.typefact sheeten_US
schema.accessibilityFeaturereadingOrderen_US
schema.accessibilityFeaturestructuralNavigationen_US
schema.accessibilityFeaturetaggedPDFen_US
schema.accessibilityHazardunknownen_US

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