...Amjad Albayati; Mayank Sukhija This paper predicts the resilient modulus ( Mr ) for warm mix asphalt (WMA) mixtures prepared using aspha-min. Various predictor variables were analyzed, including asphalt cement types, asphalt contents, nominal maximum aggregate sizes (NMAS), filler content, test...

...Shu-Rong Yang The repeated load triaxial test has been commonly used to evaluate the resilient modulus of base, subbase, and subgrade soils. When conducting the resilient modulus test, if a load cell is placed outside the chamber to measure the axial load, the piston friction is included...

...Tamer Y. Elkady; Ahmed M. Al-Mahbashi; Mosleh A. Al-Shamrani Several studies have asserted that seasonal moisture variation of unsaturated subgrade has a significant impact on its resilient modulus and, consequently, on the pavement performance and longevity. In regard to unsaturated lime-treated...

... conventional dense-graded asphalt concrete (DGAC) mixes at various temperatures and frequencies using ASTM D7369-11-based standard resilient modulus test [Standard Test Method for Determining the Resilient Modulus of Bituminous Mixtures by Indirect Tension Test, ASTM International, West Conshohocken, PA, 2011...

...Roy Khalife; Pranshoo Solanki; Musharraf M. Zaman In this comprehensive laboratory study, different tests—namely, investigations of the unconfined compressive strength (UCS) at the end of freeze-thaw/wet-dry (F-T/W-D) cycles, the resilient modulus ( M r ) at the end of F-T/W-D cycles, vacuum...

..., and good resistance to permanent strains) under-well controlled conditions of water content. 11 10 2010 15 05 2011 30 06 2011 precision cyclic triaxial recycled unbound materials resilient modulus permanent strains References Corté , J.-F. , “ Caractéristiques...

... modulus ( M R ), gyratory properties, voids in total mixture, and bulk densities. Test results indicated that the PEHMA mixtures had lower moisture susceptibility, higher tensile strength, and resilient modulus. The gyratory properties and creep tests indicate that the PEHMA mixtures are more resistant...

... of control mixtures and four of warm mixtures) were prepared using two aggregate sources and two additives: Aspha-min ® and Sasobit ® . Evaluation of all mixtures included the following testing procedures: tensile strength ratio, asphalt pavement analyzer, resilient modulus, and resilient modulus after long...

...Louay N. Mohammad; Munir D. Nazzal; Murad Y. Abu-Farsakh; Khalid Alshibli Field and laboratory testing programs were conducted to develop resilient modulus prediction models for application in the design and evaluation procedures of pavement structures. The field testing program included conducting...

...Feipeng Xiao; Serji N. Amirkhanian The prediction of the resilient modulus values of rubberized mixtures containing reclaimed asphalt pavement (RAP) materials involves a number of interacting factors or engineering parameters (variables) and is a very complex issue. Artificial neural networks (ANN...

... stabilized with 10 % class C fly ash, cured for different periods (1 h, 3 days, and 28 days) and subjected to F-T cycles are tested for resilient modulus in flexure ( M rf ) and modulus of rupture ( MOR ). The M rf values decreased with increasing F-T cycles. Changes in M rf are sensitive to curing periods...

...P Tian; MM Zaman; JG Laguros Resilient modulus ( M R ), which properly characterizes the load-deformation response of pavement materials under traffic loading, is evaluated. The M R variations due to three different gradations and three different moisture contents were investigated for Richard Spur...

... herein. The results from the tensile strength and resilient modulus evaluation are presented. References Eaton , R. A. , Roberts   R. J. , and Blackburn , R. R. , “ Use of Scrap Rubber in Asphalt Pavement Surfaces ,” Special Report 91-27. U.S. Army Corps of Engineers , 1991...

...C-T Lim; S-A Tan; T-F Fwa Specimens, 4-in. (101.6 mm), 5-in. (127.0 mm), and 6-in. (152.4 mm) in diameter, of asphalt mixtures were prepared in the laboratory to test for the specimen size effect on the resilient modulus test, the indirect tension test, and the Marshall test. Four asphalt mixtures...

...D-H Chen; MM Zaman; JG Laguros Testing of granular materials for evaluation of Resilient Modulus ( M R ) suffers from the lack of a standardized test method. Although AASHTO over the past six years (1986 to 1992) has proposed three different testing procedures (T274-86, T292-91I, and T294-92I...

...SL Whitmoyer; YR Kim Various publications have demonstrated that the results from the resilient modulus test (see ASTM D 4123, Method for Indirect Tension Test for Resilient Modulus of Bituminous Mixtures) display a wide range of variability. Considering this, an alternate testing method...

... of additives in minimizing water damage potential. 05 12 1991 23 04 1992 bituminous mixtures aggregate source aggregate proportions crushed sand natural (wadi) sand fillers portland cement hydrated lime Marshall stability ratio resilient modulus diametral tensile strength Lottman...

...ER Brown; KY Foo Samples of asphalt mixture were evaluated in the laboratory under various conditions to evaluate the repeatability of the resilient modulus test and the effect of stress on the measured resilient modulus. Some samples were prepared in the laboratory, others were obtained from...

... modulus) in the repeated load test. 16 07 1987 30 11 1987 asphalt concrete dynamic elastic modulus dynamic shear modulus internal damping dynamic Poisson's ratio hollow cylindrical specimen resilient modulus computer-controlled test equipment References Manual Series...