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2020 Vol.10, Issue 2 Preview Page

Scientific Paper

A study on proposal of standard sample for marshall stability test

마샬안정도 시험기의 적정성을 위한 표준시료 제안 연구

Junseong Choi1*
,
Jinsu Kim2
,
Sangjin Kim3
최 준성1*
,
김 진수2
,
김 상진3
1Professor, Department of Civil & Environmental Engineering, Induk University
2Bachelor's Course, Department of Civil & Environmental Engineering, Induk University
3Bachelor's Course, Department of Civil & Environmental Engineering, Induk University
1인덕대학교 토목환경공학과 교수
2인덕대학교 토목환경공학과 학사과정
3인덕대학교 토목환경공학과 학사과정
*Corresponding Author
31 December 2020. pp. 233-245
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Abstract

In addition to the adequacy evaluation of existing equipment for Marshall stability manufactured in Korea, a standard sample is required to verify the new Marshall stability test using IoT system in the era of the 4th industrial revolution. In this study, a standard sample concept was established by selecting polyurethane, which can be produced with the same composition ratio, as the standard material, since comparative analysis is not possible with a general asphalt mixture. In order to evaluate the adequacy and validity of the standard sample proposed in this study, the UTM experiment and experiments for the resting period were conducted, and a comparative study between the equipments through the Round-Robin Test was conducted to confirm the applicability of the standard sample. From the comparative tests, the repeatability of the standard sample was confirmed. And it was found that the standard sample can be used to compare and analyze equipments, as the Round-Robin test shows the relative error of 5.1% for the Marshall stability test, 0.5% for the indirect tensile strength test, and 6.5% for the Kim test. In the future, the standard sample proposed in this study requires additional research on the standardization and the reference value through the round-robin test of domestic equipments.

Keywords
Marshall stability test
Standard sample for verification
Resting period
Repeatability
Round-Robin Test
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 : 10
  • No :2
  • Pages :233-245
  • Received Date : 2020-12-07
  • Revised Date : 2020-12-18
  • Accepted Date : 2020-12-21
  • DOI :https://doi.org/10.22702/jkai.2020.10.2.021
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