An asphalt distributor is used to apply a tack coat at a residual application rate of 0.05 gal/sy. The road being paved is 20 feet wide and 2 miles long. How many gallons of emulsion tack are needed if the mixture is 65% liquid asphalt and 35% water? Group of answer choices 1805.13 410.67 1173.33 762.67
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- An asphalt sample which is claimed to be AC- 20 is tested by an agency. Which test result will reject the sample O Viscosity at 60•C on original sample = 1850 Poise Ductility at 25C on TFO aged sample = 27 cm Penetration at 25 •C = 51 O Viscosity at 60 C on TFO aged sample = 11250 PoiseAn asphalt distributor having a 12 -ft long spray bar will be used to apply a tack coat at a residual application rate of 0.05 gal/sy. The road being paved is 24 ft wide and 2 miles in length. How many gallons of liquid cement for the tack will be required? How many gallons of emulsion tack are needed if the mixture is 70% liquid asphalt and 30% water?Problem #1 The following figure shows the results from the dynamic modulus test for asphalt mixtures. The specimen is 4" in diameter and 6" in height. The gauge length for the axial LVDT is 4". Time lag is 0.25s. Find |E*I, and phase angle . Axial force(lbf) 65 60 40 20 0 -20 -40 -65 0 Dynamic modulus test result (gauge length = 4") 0.5 Time (second) 1 0.0010 0.0009 0.0006 0.0003 0 force (lbf) disp (in.) -0.0003 -0.0006 -0.0009 -0.0010 1.5 Axial displacement(in) 4"
- Q1A In a Marshall test, the percentage of asphalt binder by total weight of aggregate is 5.3%. The bulk specifc gravity of aggregate (G)-2.582, the specifc gravity of asphalt binder (G)=1.000, and the density of water 3 (Yw)=1.000 g/cm. If the voids flled with asphalt (VFA) is 70.0% and the effective asphalt binder (Pbe) is 4.0% by total weight of mixture, determine the following properties: a. The absorbed asphalt binder (Pba) b. The bulk specifc gravity of the compacted mixture (Gmb) c. The voids in mineral aggregate (VMA) d. The voids in total mixture (VTM) e. The theoretical maximum specifc gravity of the loose mixture (Gmm) The effective specifc gravity of the aggregate (Gse) الState four different asphalt modifiers that can be added to asphalt or asphalt mixtures, and indicate the effect of each.Please kindly answer 11 and 12... Please give me both answers... Thank you
- TELEGRAM 2022 من 2025 رجوع ) 10:58 B 4 Q1C In a Marshall test, the percentage of asphalt binder by total weight of asphalt mixture is 4.8%. The bulk specifc gravity of aggregate (G)-2.655, the specifc gravity of asphalt binder (G)-1.020, and the density of water (y)-1.000 g/cm'. If the effective asphalt binder content (Pb) is 2.50% by total weight of mixture, and the voids in total mixture (VTM) is 4.0% by total volume of mixture, determine the following properties: a. The bulk specifc gravity of the compacted mixture (3) b. The absorbed asphalt (P) c. The voids in mineral aggregate (VMA) d. The voids filled with asphalt (VFA) R محمد اليوم عند AM 10:57Compute the dust proportion for the asphalt mixture having the following properties:Binder grade of asphalt selected for a highway construction based on the temperature recordsfound to be PG70-16. Answer to the following questions:• If traffic speed is high (more than 70 km/h) and 0.2 million ESAL, what is your suggestionfor the binder grade?• If traffic speed is slow (less than 20km/h) and traffic volume is very high (40 million EASL), what is your suggestion for the binder grade?
- Q2) The following results were obtained from testing a certain asphalt binder: RTFO aged PAV Original Asphalt aged asphalt asphalt DSR G° (kPa) 8 (C) 0.98 2.1 6000 75 70 60 BBR S@ 60-sec (MPa) | 300 M@ 60-sec 450 650 0.6 0.5 0.4 DTT Failure Strain (%) 2.5 % 2 % 1.2% Determine if the asphalt meets the Superpave specification requirements to resist the following distresses: (a) Rutting (b) Fatigue cracking (c) Low temperature crackingB کی رجوع ) TELEGRAM 2025 من 2025 Q1D In a Marshall Design procedure for an asphalt mixture, the weight of aggregate (W) is 1200.0 g. and the weight of asphalt binder (W) is 76.0 g. The voids filled with asphalt (VFA) value is determined to be 73.0%, and the effective asphalt content by total weight of mixture (P) is found to be 3.80%. If the bulk specific gravity of aggregate (G) is 2.568, the specific gravity of asphalt binder (G)=1.030, and the density of water (y)-1.000 g/ cm', determine the following properties of the asphalt mixture: 3 a. The absorbed asphalt binder content (P), percent by weight of aggregate b. The effective specifc gravity of the aggregate (G) c. The bulk specife gravity of the compacted asphalt mixture (Gb) d. The voids in mineral aggregate (VMA), percent by total volume of mixture e. The voids in total mixture (VTM), percent by total volume of mixture f. The theoretical maximum specife gravity of the loose mixture (G) 46 17200 84000 محمد اليوم عند AM 10:57…As a materials engineer working for a highway department, what standard PG asphalt binder grade would you specify for each of the conditions shown in Table P9.15 (show all calculations and fill in the table)? TABLE P9.15 Seven-Day Maximum Pavement Temperature Minimum Pavement Recommended Temperature PG Grade Standard Standard 50% 98% Case Mean, °C Deviation, °C Mean, °C Deviation, °C Reliability Reliability 1 39 -32 3.5 54 1.5 -17 2 3 69 2.5