Engineering Materials (ITENG 322) Honesty is the best policy IMAM ABDULRAHMAN ALFAISAL UNIVERSITY Question No. 6: 10 MAR

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Engineering Materials Iteng 322 Honesty Is The Best Policy Imam Abdulrahman Alfaisal University Question No 6 10 Mar 1 (545.57 KiB) Viewed 39 times

Engineering Materials (ITENG 322) Honesty is the best policy IMAM ABDULRAHMAN ALFAISAL UNIVERSITY Question No. 6: 10 MARKS A Marshall bituminous-mix design for surface course gave the following test results: A.C% by Wt. Density Flow A.V. VFB VMA Stability (kg) of Mix (g/cm³) (0.25 mm) (%) (%) (%) 4.5 2.27 599.4 10 11.5 36 17.5 5.5 2.41 817.3 10.6 8.2 67 17.4 6.5 2.46 912.7 13 4.9 86 17.8 7.5 2.43 867.3 15.8 3.4 93 18.5 8.5 2.28 762.8 20.5 2.9 95 19 Plot the mix property curves, obtain the optimum asphalt content, and compare the Marshall design values with the specifications given by the Ministry of Transport (MOT) for Medium Traffic of: 10 <ESAL<10%. Ministry of Transport Specifications Property: Flow 0.25 A.V., (%) VFB VMA Stability (min.), (N) 3336 (mm), unit (%) Min. (%) 17 Specifications 8-16 3.0 - 5.0 75-85 عبدالرحمن الفيصل ******** ************ .... ********