Resilient modulus is an important parameter to characterise the resilient behaviour of pavement materials. Resilient modulus can be determined in the laboratory from repeated load triaxial test and is defined as the ratio of deviator stress to recoverable strain. Inherently, it is a challenge to perform repeated load triaxial tests as a routine basic test due to its complicated, time-consuming and expensive procedure; hence, several empirical approaches to estimate the resilient modulus from other soil mechanical properties - California bearing ratio, unconfined compressive strength or physical properties - have been proposed. This study has investigated the application of a dynamic lightweight cone penetrometer for the estimation of the resilient modulus in the laboratory and field conditions for some Victorian fine-grained subgrade soils. The results show the possibility to estimate the resilient modulus of fine-grained soils using the dynamic lightweight penetration index at any moisture content (MC) from optimum MC to soaked conditions.


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    Title :

    Possible estimation of resilient modulus of fine-grained soils using a dynamic lightweight cone penetrometer




    Publication date :

    2017




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

    BKL:    56.24 / 56.24 Straßenbau





    Automated Dynamic Cone Penetrometer for Subgrade Resilient Modulus Characterization

    Rahim, Ashraf M. / George, K. P. | Transportation Research Record | 2002


    Resilient Modulus Estimation System for Fine-Grained Soils

    Han, Yuh-Puu / Petry, Thomas M. / Richardson, David N. | Transportation Research Record | 2006


    Part 2: Evaluation of Subgrade Resilient Modulus: Resilient Modulus Estimation System for Fine-Grained Soils

    Han, Yuh-Puu / Petry, Thomas / Richardson, David | Transportation Research Record | 2006