Homework Answers
% of aggregate = 100 - % of asphalt
= 100 - 6.3= 93.7%
VMA=13.05%
VTM=3.02%
VFA=76.86%
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Question 1 An asphalt concrete specimen has the following properties: Asphalt content = A. by total...
The Data given, An asphalt concrete specimen has the following properties: 1. Percent air voids in the compacted m...
The Data given,
An asphalt concrete specimen has the following properties: 1. Percent air voids in the compacted mix (VTM) 2. Voids in mineral aggregate (VMA) 3. Voids in mineral aggregate filed with asphalt (VFA) 4. Bulk specific gravity of compacted mix 5. Maximum (Rice) theoretical specific density 6. Plot VFA vs. binder content (i.e. 5 % , 5.5 % , 6%, and 6.5 % ) ( The specific binder content will be determined by the TA during lab depending...
4. A asphalt mixture is compacted to an air void content of 6% (VTM = 6%)...
4. A asphalt mixture is compacted to an air void content of 6% (VTM = 6%) and a VMA of 15%. The aggregate has a bulk specific gravity of 2.563 and an effective specific gravity of 2.621 while the asphalt binder has a specific gravity of 1.03. Find the percent absorption for this
1. Find the optimum asphalt content and check with the requirements. Draw all the plots. (25)...
1. Find the optimum asphalt content and check with the requirements. Draw all the plots. (25) [Show your calculation] For Marshall mix design the specimens were drawn from the following aggregate blend: Component Mass(g) Agg-1 798.3 Agg-2 1102.2 Agg-3 349.3 Agg-4 149.7 Specific Gravity 2.62 2.53 2.49 2.44 | Data from Marshall stability and flow test: VFA %Air Voids VMA (%) AC% 4.5 5 5.5 6 6.5 Specific Gravity of Mix 2.268 2.2896 2.28942 2.281576 2.277396 Stability (KN) 9.3 9.8...
33. Determine the volume of fine aggregate a) 0.27 ma c) 0.18 m3 b) 0.288 m3...
33. Determine the volume of fine aggregate a) 0.27 ma c) 0.18 m3 b) 0.288 m3 d)0.19 m3 34. Determine the volume of coarse aggregate a) 0.19 m3 c) 0.288 m3 b) 0.2 m3 d) 0.3 m3 35. Determine the volume of water a) 0.039 ma c) 0.058 m3 b) 0.04 m3 d) 0.06 m A compacted sample of HMA contains 5.5 percent asphalt binder by weight of total mix, and its bulk specific gravity is 2.431. The theoretical maximum...
Problem-6 An asphalt concrete mixture is to be designed according to the Marshall procedure. A PG...
Problem-6 An asphalt concrete mixture is to be designed according to the Marshall procedure. A PG 64-22 asphalt cement specific gravity of 1.00 is to be used. A dense with a aggregate blend is to be used, with a maximum aggregate size of 3/4 in. and a bulk specific gravity of 2.786. The theoretical maximum specific gravity of the mix at asphalt content of 5.0 % , is 2.490. Trial mixes were made with average results as shown in table...
The Data given,
An asphalt concrete specimen has the following properties: 1. Percent air voids in the compacted mix (VTM) 2. Voids in mineral aggregate (VMA) 3. Voids in mineral aggregate filed with asphalt (VFA) 4. Bulk specific gravity of compacted mix 5. Maximum (Rice) theoretical specific density 6. Plot VFA vs. binder content (i.e. 5 % , 5.5 % , 6%, and 6.5 % ) ( The specific binder content will be determined by the TA during lab depending...
4. A asphalt mixture is compacted to an air void content of 6% (VTM = 6%) and a VMA of 15%. The aggregate has a bulk specific gravity of 2.563 and an effective specific gravity of 2.621 while the asphalt binder has a specific gravity of 1.03. Find the percent absorption for this
1. Find the optimum asphalt content and check with the requirements. Draw all the plots. (25) [Show your calculation] For Marshall mix design the specimens were drawn from the following aggregate blend: Component Mass(g) Agg-1 798.3 Agg-2 1102.2 Agg-3 349.3 Agg-4 149.7 Specific Gravity 2.62 2.53 2.49 2.44 | Data from Marshall stability and flow test: VFA %Air Voids VMA (%) AC% 4.5 5 5.5 6 6.5 Specific Gravity of Mix 2.268 2.2896 2.28942 2.281576 2.277396 Stability (KN) 9.3 9.8...
33. Determine the volume of fine aggregate a) 0.27 ma c) 0.18 m3 b) 0.288 m3 d)0.19 m3 34. Determine the volume of coarse aggregate a) 0.19 m3 c) 0.288 m3 b) 0.2 m3 d) 0.3 m3 35. Determine the volume of water a) 0.039 ma c) 0.058 m3 b) 0.04 m3 d) 0.06 m A compacted sample of HMA contains 5.5 percent asphalt binder by weight of total mix, and its bulk specific gravity is 2.431. The theoretical maximum...
Problem-6 An asphalt concrete mixture is to be designed according to the Marshall procedure. A PG 64-22 asphalt cement specific gravity of 1.00 is to be used. A dense with a aggregate blend is to be used, with a maximum aggregate size of 3/4 in. and a bulk specific gravity of 2.786. The theoretical maximum specific gravity of the mix at asphalt content of 5.0 % , is 2.490. Trial mixes were made with average results as shown in table...
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