Chapter
Mar 30, 2017
Probability Density Functions Associated with the Resilient Modulus of Virgin Aggregate Bases
Authors: Pranav R. T. Peddinti, S.M.ASCE [email protected], B. Munwar Basha, M.ASCE [email protected], and Sireesh Saride, M.ASCE [email protected]Author Affiliations
Publication: Geotechnical Frontiers 2017
Abstract
The accuracy of the reliability-based designs for pavements mostly depends on the probability density functions (PDF) associated with the resilient modulus of the pavement layer. The present study attempts to find out the appropriate PDF corresponding to the base resilient modulus (Mr) of different virgin aggregates that are used in the flexible pavements. Extensive literature study has been conducted and about 120 data points were collected from various global studies performed on virgin aggregate base materials for their use in flexible pavements. Histogram and statistical analyses are performed on the dataset. An accurate PDF is then proposed from the available distributions by using percentile (P-P) and quantile (Q-Q) fit assessment plots. The proposed mean, standard deviation and coefficient of variation associated with the best PDF are further useful for developing the reliability based design optimization methods for pavements.
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© 2017 American Society of Civil Engineers.
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Published online: Mar 30, 2017
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Doctoral Student, Indian Institute of Technology Hyderabad, Kandi, Hyderabad 502285, India. E-mail: [email protected]
Assistant Professor, Indian Institute of Technology Hyderabad, Kandi, Hyderabad 502285, India. E-mail: [email protected]
Associate Professor, Indian Institute of Technology Hyderabad, Kandi, Hyderabad 502285, India. E-mail: [email protected]
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