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The sieving analysis of aggregate and filler used for the design of an asphaltic concrete mixture resulted the aggregate proportions shown below. If the bulk specific gravities of coarse aggregate, fine aggregate and filler used in this mixture are 2.60, 2.71, and 2.69. Determine the optimum asphalt content as a percentage by weight of total mix to produce an asphaltic concrete mixture complying with the specifications shown below. The test results obtained using the Marshall method and the maximum specific gravity of paving mixture are shown below. The specific gravity of asphalt is 1.02. Specifications: Min. %VMA=10.0%. Min. Stability=8 kN, Flow (mm)=2-4, % Air Voids=3-5%, Мах. % by weight Wt. of sample in air Wt. of sample in water % by wt. specific gravity of Aggregate Stability (kN) Flow of (mm) asphalt Coarse 45 (gm) (gm) mixture Fine 50 M. filler 4.0 1325.3 785.6 9.57 3.25 2.57 5 4.5 1330.1 793.3 9.80 3.50 2.55 5.0 1336.2 800.8 9.93 4.00 2.53 5.5 1342.0 804.5 9.70 5.00 2.51 6.0 1347.5 805.1 9.10 6.25 2.49

The sieving analysis of aggregate and filler used for the design of an asphaltic concrete mixture resulted the aggregate proportions shown below. If the bulk specific gravities of coarse aggregate, fine aggregate and filler used in this mixture are 2.60, 2.71, and 2.69. Determine the optimum asphalt content as a percentage by weight of total mix to produce an asphaltic concrete mixture complying with the specifications shown below. The test results obtained using the Marshall method and the maximum specific gravity of paving mixture are shown below. The specific gravity of asphalt is 1.02. Specifications: Min. %VMA=10.0%. Min. Stability=8 kN, Flow (mm)=2-4, % Air Voids=3-5%, Мах. % by weight Wt. of sample in air Wt. of sample in water % by wt. specific gravity of Aggregate Stability (kN) Flow of (mm) asphalt Coarse 45 (gm) (gm) mixture Fine 50 M. filler 4.0 1325.3 785.6 9.57 3.25 2.57 5 4.5 1330.1 793.3 9.80 3.50 2.55 5.0 1336.2 800.8 9.93 4.00 2.53 5.5 1342.0 804.5 9.70 5.00 2.51 6.0 1347.5 805.1 9.10 6.25 2.49

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The sieving analysis of aggregate and filler used for the design of an asphaltic concrete mixture resulted the aggregate proportions shown below. If the bulk specific gravities of coarse aggregate, fine aggregate and filler used in this mixture are 2.60, 2.71, and 2.69. Determine the optimum asphalt content as a percentage by weight of total mix to produce an asphaltic concrete mixture complying with the specifications shown below. The test results obtained using the Marshall method and the maximum specific gravity of paving mixture are shown below. The specific gravity of asphalt is 1.02.
Transcribed Image Text:The sieving analysis of aggregate and filler used for the design of an asphaltic concrete mixture resulted the aggregate proportions shown below. If the bulk specific gravities of coarse aggregate, fine aggregate and filler used in this mixture are 2.60, 2.71, and 2.69. Determine the optimum asphalt content as a percentage by weight of total mix to produce an asphaltic concrete mixture complying with the specifications shown below. The test results obtained using the Marshall method and the maximum specific gravity of paving mixture are shown below. The specific gravity of asphalt is 1.02.
Specifications: Min. %VMA=10.0%. Min. Stability=8 kN, Flow (mm)=2-4, % Air Voids=3-5%, Мах. % by weight Wt. of sample in air Wt. of sample in water % by wt. specific gravity of Aggregate Stability (kN) Flow of (mm) asphalt Coarse 45 (gm) (gm) mixture Fine 50 M. filler 4.0 1325.3 785.6 9.57 3.25 2.57 5 4.5 1330.1 793.3 9.80 3.50 2.55 5.0 1336.2 800.8 9.93 4.00 2.53 5.5 1342.0 804.5 9.70 5.00 2.51 6.0 1347.5 805.1 9.10 6.25 2.49
Transcribed Image Text:Specifications: Min. %VMA=10.0%. Min. Stability=8 kN, Flow (mm)=2-4, % Air Voids=3-5%, Мах. % by weight Wt. of sample in air Wt. of sample in water % by wt. specific gravity of Aggregate Stability (kN) Flow of (mm) asphalt Coarse 45 (gm) (gm) mixture Fine 50 M. filler 4.0 1325.3 785.6 9.57 3.25 2.57 5 4.5 1330.1 793.3 9.80 3.50 2.55 5.0 1336.2 800.8 9.93 4.00 2.53 5.5 1342.0 804.5 9.70 5.00 2.51 6.0 1347.5 805.1 9.10 6.25 2.49
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