University of Khartoum

Application of the Nchrp-1-28 Resilient Modulus Model for Characterizing Granular Material in Sudan

Application of the Nchrp-1-28 Resilient Modulus Model for Characterizing Granular Material in Sudan

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Title: Application of the Nchrp-1-28 Resilient Modulus Model for Characterizing Granular Material in Sudan
Author: Elsharief, Ahmed M.; Omer, Omer G.
Abstract: This paper displays an attempt to examine the suitability of the NCHRP-1-28 prediction model for estimating the Resilient Modulus (MR) of blended unbound granular materials from MR test data. The blending process was mechanically done using two natural coarse Wadi sand and pure crushed basaltic stones. An experimental testing program was performed on these typical blends involving the basic tests as well as the dynamic triaxial tests for resilient modulus (MR). The predicted MR values showed good agreement with the measured ones. The predicted MR values are about 8 % to 10% lower than the measured ones indicating conservative estimates for MR using the NCHRP-1-28 model for the blended unbound aggregates of Khartoum.
URI: http://khartoumspace.uofk.edu/123456789/21137


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