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Problem #1 A core is removed from a pavement designed with 6% asphalt binder. The mass...
An asphalt concrete specimen was blended together from 5 % asphalt binder (by weight) and aggregates...
An asphalt concrete specimen was blended together from 5 % asphalt binder (by weight) and aggregates with a specific gravity of 2.830. The bulk specific gravity of the asphalt concrete mixture was measured with 2.660 and the theoretical maximum specific gravity was determined at 2.795. Ignore absorption for all following calculations. a) the voids in the total mixture b) voids in the mineral aggregate
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
Another asphaltic concrete mixture consists of 42% coarse aggregates, 51% fine aggregates, and 7% mineral fillers....
Another asphaltic concrete mixture consists of 42% coarse aggregates, 51% fine aggregates, and 7% mineral fillers. The respective bulk specific gravities of these materials are 2.600, 2.710, and 2.690. The asphalt cement content of the total weight of the mix of a sample is 5.5%. The bulk specific gravity of the sample was calculated as 2.467, and the maximum bulk specific gravity of the mix was estimated using ASTM D2041 as 2.562. Determine the value of the sample's air voids,...
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...
5. Given the mixture information in Table 1, what is the average percentage of air voids (Va) at Ndes at 4.1% binder? d, 86.3 % b. 95.8 % a.4.2 % с. 13.7 % Given the mixture information in Table...
5. Given the mixture information in Table 1, what is the average percentage of air voids (Va) at Ndes at 4.1% binder? d, 86.3 % b. 95.8 % a.4.2 % с. 13.7 % Given the mixture information in Table 1, what is the average corrected specimen relative density at Ninitial (%GmmNini) at 4.1% binder? 6. a42 % b, 95.8 % d. 86.3 % с. 13.7% 7. Given the mixture information in Table 1, what is the effective asphalt content (Pbe)...
highway engineering QI: A 2250 Kg of aggregate are mixed with 150 kg of asphalt (G....
highway engineering
QI: A 2250 Kg of aggregate are mixed with 150 kg of asphalt (G. -105) to prepare 20 m² of asphalt pavement mixture with thickness (D). Using the following data to determine the required thickness (D) • Absorbed asphalt (by weight of total mix) - 1.28% • Bulk specific gravity of aggregate = 2.67 • Voids in total mix is 4%
Question 1 An asphalt concrete specimen has the following properties: Asphalt content = A. by total...
Question 1 An asphalt concrete specimen has the following properties: Asphalt content = A. by total weight of mix. Bulk specific gravity of the mix = B. Theoretical maximum specific gravity - C. Bulk specific gravity of aggregate = D. Ignoring absorption, calculate the percents VTM, VMA, and VFA. Asphalt content Bulk specific gravity of Theoretical maximum specific gravity Bulk specific gravity of aggregate Name 1 Al Alawi Zawad Show Al Husaini.Base 2 Abdurahman Al Jazaeri,Mushah Ahmad Al Sharif Ahmed...
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...
Question 1. A concrete mix is to be designed for use in a 250 mm thick road pavement. The desired properties are pr...
Question 1. A concrete mix is to be designed for use in a 250 mm thick road pavement. The desired properties are provided below. Use the ACI method to calculate the required amounts per unit volume (/1m) of water, cement, course aggregate and fine aggregate. Slump 25 mm Average 28-day flexural strength of at least 4.5 MPa Coarse aggregate: nominal maximum size = 37.5 mm, dry-rodded weight 1600 kg/m3, specific gravity 2.68, moisture content 1.0 percent, absorption 0.5 percent Fine...
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
Another asphaltic concrete mixture consists of 42% coarse aggregates, 51% fine aggregates, and 7% mineral fillers. The respective bulk specific gravities of these materials are 2.600, 2.710, and 2.690. The asphalt cement content of the total weight of the mix of a sample is 5.5%. The bulk specific gravity of the sample was calculated as 2.467, and the maximum bulk specific gravity of the mix was estimated using ASTM D2041 as 2.562. Determine the value of the sample's air voids,...
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...
5. Given the mixture information in Table 1, what is the average percentage of air voids (Va) at Ndes at 4.1% binder? d, 86.3 % b. 95.8 % a.4.2 % с. 13.7 % Given the mixture information in Table 1, what is the average corrected specimen relative density at Ninitial (%GmmNini) at 4.1% binder? 6. a42 % b, 95.8 % d. 86.3 % с. 13.7% 7. Given the mixture information in Table 1, what is the effective asphalt content (Pbe)...
highway engineering
QI: A 2250 Kg of aggregate are mixed with 150 kg of asphalt (G. -105) to prepare 20 m² of asphalt pavement mixture with thickness (D). Using the following data to determine the required thickness (D) • Absorbed asphalt (by weight of total mix) - 1.28% • Bulk specific gravity of aggregate = 2.67 • Voids in total mix is 4%
Question 1 An asphalt concrete specimen has the following properties: Asphalt content = A. by total weight of mix. Bulk specific gravity of the mix = B. Theoretical maximum specific gravity - C. Bulk specific gravity of aggregate = D. Ignoring absorption, calculate the percents VTM, VMA, and VFA. Asphalt content Bulk specific gravity of Theoretical maximum specific gravity Bulk specific gravity of aggregate Name 1 Al Alawi Zawad Show Al Husaini.Base 2 Abdurahman Al Jazaeri,Mushah Ahmad Al Sharif Ahmed...
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...
Question 1. A concrete mix is to be designed for use in a 250 mm thick road pavement. The desired properties are provided below. Use the ACI method to calculate the required amounts per unit volume (/1m) of water, cement, course aggregate and fine aggregate. Slump 25 mm Average 28-day flexural strength of at least 4.5 MPa Coarse aggregate: nominal maximum size = 37.5 mm, dry-rodded weight 1600 kg/m3, specific gravity 2.68, moisture content 1.0 percent, absorption 0.5 percent Fine...
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