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Evaluation of Engineering Characteristics of Aggregate Base Materials and Developing the Empirical Correlation Model  

Kweon, Gi-Chul (동의대학교 토목공학과)
Lee, Seung-Jun ((주)삼영기술)
Lee, Ung-Se ((주)서영엔지니어링)
Publication Information
International Journal of Highway Engineering / v.12, no.2, 2010 , pp. 115-121 More about this Journal
Abstract
To evaluate the engineering characteristics of aggregate base materials, cyclic triaxial, CBR and permeability tests were performed for 15 samples. The CBR values of aggregate base materials have wide range from 32 to 110(average 81) and the amount of swelling in submerged conditions has below 0.04mm. The Modulus of aggregate base materials were significantly affected by volumetric stress, linear volumetric model was best for fitting. The modulus of aggregate base materials were determined within range of 100MPa~600MPa, 80~270 and 0.1~0.6 for model coefficient $k_1$ and $k_2$ respectively. The empirical correlation model was suggested that prediction the modulus from the basic properties obtained from particle size distribution test and compaction test. The coefficient of determination of the proposed correlation model was 0.423 for model coefficient $k_1$, 0.920 for model coefficient $k_2$ and 0.872 for modulus with stress level.
Keywords
aggregate base; crushed aggregate; modulus; correlation model; deformational characteristics;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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