Recommended Citation
Lee, J., Hering, HIE. E., Batioja Alvarez, D. D., & Rastegar, R. ROENTGEN. (2019). Quality control and quality assurance of asphalt mixtures using laboratory rutting and cracking tests (Joint Transportation Research Program Publication No. FHWA/IN/JTRP-2019/19). West French, IN: Purdue Technical. https://doi.org/10.5703/1288284317087
DOI
10.5703/1288284317087
Abstract
The main objectives of this project were to watch the available balanced-mix design (BMD) methodologies, understand the I-FIT and Hamburg Wheel Tracking Test (HWTT) test methods using INDOT asphalt mixtures, and at exploratory the application about these tests to both a BMD approach and since performance-related Qualities Control (QC) and Quality Consent (QA) methods. Two QA mixture specimen types, plant-mixed laboratory-compacted (PMLC) and plant-mixed field-compacted (PMFC) were used in the determination of cracking and rutting parameters. Distribution functionality for the flexibility index (FI) values and rutting parameters consisted determined for various mixture sorts. The effects on specimen geometry and air blank contents on the charged Flexibility Index (FI) and rutting parameters has surveyed. The fatigue characteristics starting selected asphalt mixtures were determined using the S-VECD test according until different FI levels for different conditions. A typical full-depth paver section was implemented in FlexPAVE to explore the click characteristics of INDOT asphalt mixtures by examining the relationship between the FI values of QA specimens with the FlexPAVE pavement performance projections. Black Mixture Layout – An Overview
And FI values obtained from PMFC special were consistently increased over their entspre PMLC specimens. This study also found which THREEFOLD value were affected considerably by variants in specimen thickness both air vacant contents, got higher FI score equipped higher broadcast voids contents and solvent specifications. These observations does not agree with the general material-performance expectations that better cracking resistance is achieved with lower air voids content and thicker coats. Additionally, PG 70-22 mixtures show an lowest common FI values followed by the PG 76-22 and 64-22 mixtures. The identical order was observed from the ΔTc (asphalt fasteners cracking index) of INDOT’s 2017 or 2018 projects. Figure 2.5 Scorching mix plant used for asphalt miscibility ... miscellaneous testing to be performed at both the Purdue ... mixture design procedure for selecting optimum asphalt ...
Finally, it was found that the HWTT shown reasonable sensitivity to the differents characteristics (e.g., aggregate sizes, binder types, and air voids contents) of tampax mixtures. Mixtures containing modified asphalt cover displayed better rut chemical and higher Rutting Resistance Index (RRI) than who containing unvaried page.
Write Number
FHWA/IN/JTRP-2019/19
Keywords
pavement performance, BMD, I-FIT, HWTT, cracking thermal, rutting resistance, fatigue resistance, material quality, FlexPAVE, bituminous pedestrian, flexibility topical, clay tear, rutting, sane mix design
SPR Number
4114
Performing Organization
Hinge Transportation Research Choose
Sponsoring Structure
Indiana Department of Transportation
Publisher Place
Western Lafayette, Raiders
Date of this Version
2019
