Experimental Analysis of Resilient Modulus of Open-Graded Aggregate Material

Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 62)


This paper investigated the resilient modulus of open-graded aggregate material with repeated-load triaxial test according to American Association of State Highway and Transportation T307. The results were modelled with k-θ constitutive model to determine the material parameters. Open-graded aggregate material with nominal maximum aggregate size of 25 and 40 mm was used in this study. Specimens were fabricated with vibratory compaction at room condition and accounted for similar with dry density, compaction energy and test condition. The results show that gradation significantly affects to the resilient modulus of open-graded aggregate material. Specimen with larger nominal maximum aggregate size yields higher resilient modulus than the smaller one.


resilient modulus open-graded aggregate materials triaxial test 


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The authors would like to thank the Ministry of Land, Infrastructure, and Transport of Korean government for the grant from Technology Advancement Research Program (grant no. 19CTAP-C152124-01) and Basic Science Research Program (grant no. 2017R1D1A3B03034563) through the National Research Foundation of Korea (NRF) funded by the Ministry of Education.


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© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Pusan National UniversityBusanSouth Korea

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