Functional Characteristics of Dense-Graded Asphalt Surface Mixtures

Boz, Ilker; Flintsch, Gerardo W; de León Izeppi, Edgar

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Functional Characteristics of Dense-Graded Asphalt Surface Mixtures

2023-04-01
By Boz, Ilker ; Flintsch, Gerardo W ; de León Izeppi, Edgar

File Language:

English

Details

Creators:

Boz, Ilker ; Flintsch, Gerardo W ; de León Izeppi, Edgar
Corporate Creators:

Virginia Transportation Research Council (VTRC)
Corporate Contributors:

Virginia. Department of Transportation ; United States. Department of Transportation. Federal Highway Administration
Subject/TRT Terms:
Publication/ Report Number:

FHWA/VTRC 23-R15
Resource Type:

Tech Report
Geographical Coverage:

United States;Virginia
Edition:

Final Report
Corporate Publisher:

Virginia Transportation Research Council (VTRC)
Abstract:

This study assessed the short-term functional (surface) characteristics of pavements constructed using dense-graded asphalt surface mixtures designed with the balanced mix design (BMD) methodology as compared to counterpart mixtures designed using the existing design methodology (Superpave). Another objective of this study was to establish a functional performance baseline for the Virginia Department of Transportation’s (VDOT) BMD trial mixtures constructed in the 2019 through 2021 construction seasons in terms of friction and macrotexture. This study also sought to define a potential empirical relationship to link mixture volumetric properties to the surface characteristics of asphalt mixtures in terms of macrotexture. In this effort, 52 different field projects encompassing pairs of BMD and control mixtures with service lives ranging from 0.1 to 2.8 years were surveyed for friction, macrotexture, and pavement roughness. Descriptive statistics and parametric statistical techniques were used to identify systematic trends or differences in the functional characteristics of the pavements.
Format:

PDF
Funding:

119604
Download URL:

https://rosap.ntl.bts.gov/view/dot/67231/dot_67231_DS1.pdf
File Type:

[PDF - 1.56 MB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha-512:305b0fd8c782e347a514a2d11bb39673d03cacc0a4e4834d14addd93029edc2a2767c0e87749817004c6f30a58c700bc1283dd94751e1b5c5dfc7598607bd560

File Language:

English

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