A study on the development of mathematical modeling forthe Flexural characteristics according to the types of high-viscosity asphalt binder

Dong Min Cho; Tae Soon Park; Ki Hoon Moon

doi:10.22702/jkai.2023.13.1.7

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2023 Vol.13, Issue 1 Preview Page Next Page

Scientific Paper

A study on the development of mathematical modeling forthe Flexural characteristics according to the types of high-viscosity asphalt binder 고점도 아스팔트 바인더 종류에 따른 휨 특성 해석 수학적 모델링 개발연구

11 July 2023. pp. 63-78

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Abstract

Bending tests were performed under various temperature conditions for each type of high-viscosity asphalt binder. The displacement-time curve and the time-load curve recorded through the test process were derived and analyzed. Through this, even though the high-viscosity asphalt binder with the same PG grade, the bending stiffness and bending energy of each type do not satisfy the current standard. To develop a mathematical modeling that can quantitatively evaluate the low-temperature performance of high-viscosity asphalt binders, a time-load prediction formula in the form of an exponential-log function was developed and presented based on the results of the bending tests. The low-temperature performance of various high-viscosity asphalt binders was analyzed and evaluated in detail and quantitatively through parameter analysis of the presented mathematical model. As a result, it was derived that the low-temperature performance of the high-viscosity asphalt binder could be evaluated in more detail through the proposed mathematical model.

Keywords

Mathematical modeling

Mending test

PG grade

Porous asphalt pavement

References

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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 : 13
No :1
Pages :63-78
Received Date : 2023-06-13
Revised Date : 2023-06-21
Accepted Date : 2023-06-22
DOI :https://doi.org/10.22702/jkai.2023.13.1.7

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

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