3D X-ray CT-based deterioration performance evaluation method of asphalt

Yeon Jong Jung

doi:10.22702/jkai.2024.14.1.2

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2024 Vol.14, Issue 1 Preview Page Next Page

Technical Notes

3D X-ray CT-based deterioration performance evaluation method of asphalt 3D X-ray CT기반 아스팔트의 열화 성능 평가방법

12 July 2024. pp. 9-17

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Abstract

This paper presents a methodology for evaluating the degradation performance of asphalt using 3D X-ray Computed Tomography (XCT). Inspired by previous studies on cement reaction rates, this research aims to quantify and model the degradation of asphalt. Asphalt samples are exposed to various environmental stress conditions, and high-resolution 3D images are captured at each degradation stage. These images visualize the internal structural changes of the asphalt and allow for a quantitative analysis of the degradation mechanisms. The study systematically explains the procedures for sample preparation, curing conditions, environmental stress factors, 3D XCT imaging, image analysis, and data interpretation. Samples are exposed to stress factors such as freeze-thaw cycles, moisture saturation, and chemical exposure, and 3D images are obtained at each time stage to measure changes in density, porosity, and crack propagation. The data obtained is used to understand the degradation mechanisms and develop models to predict the long-term performance of asphalt. This methodology combines high-resolution imaging and quantitative analysis to provide more accurate and reliable results in evaluating asphalt durability. This can contribute to the development of more robust and durable road pavement materials.

Keywords

3D X-ray CT

Deterioration of asphalt

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Information

Publisher :KOREAN ASPHALT INSTITUTE
Publisher(Ko) :한국아스팔트학회
Journal Title :Journal of the Korean Asphalt Institute
Journal Title(Ko) :한국아스팔트학회지
Volume : 14
No :1
Pages :9-17
Received Date : 2024-06-27
Revised Date : 2024-07-05
Accepted Date : 2024-07-07
DOI :https://doi.org/10.22702/jkai.2024.14.1.2

Journal of the Korean Asphalt Institute ISSN:2234-0785(Print) 2635-9553(Online) 한국아스팔트학회지

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