5- The rapid curing asphalt can be prepared by mixing asphalt binder with kerosene. 6- The filler materials should be passing from sieve No.200. 7- The aggregate is said to be saturated when the aggregate is dry. 8- The rounded shape of aggregate produce higher stability of asphalt mixtures. 9- The asphalt mixture can be adjusted if the stability and the voids in the mix are too low by reducing the amount of filler and increase the binder. 10-The full depth pavements are constructed by placing one asphalt layer over the subbase layer.

5- The rapid curing asphalt can be prepared by mixing asphalt binder with kerosene. 6- The filler materials should be passing from sieve No.200. 7- The aggregate is said to be saturated when the aggregate is dry. 8- The rounded shape of aggregate produce higher stability of asphalt mixtures. 9- The asphalt mixture can be adjusted if the stability and the voids in the mix are too low by reducing the amount of filler and increase the binder. 10-The full depth pavements are constructed by placing one asphalt layer over the subbase layer.

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter18: Bituminous Materials

Section: Chapter Questions

Problem 12P

See similar textbooks

Similar questions

An asphalt concrete mix has a density of 2370 kg/m3 at an asphlalt content of 5.8%. The asphalt absorption is 0.9%. The relative density of the aggregates is 2.67 and the relative density of the asphalt is 1.04. Assume the total mass to be 2370 kg. Find the percents of air voids, VMA, and VFA. Mass of binder, Mb = kg (write to one decimal place) Mass of aggregate, Mg = kg (write to one decimal place) Mass of absorbed binder, Mba = kg (write to one decimal place) Volume of binder, Vb = m3 (write to THREE decimal places) Volume of aggregate, Vg = m3 (write to THREE decimal places) Volume of absorbed binder, Vba = m3 (write to THREE decimal places) Volume of effective binder, Vbe = m3 (write to THREE decimal places) Volume of air, Va = m3 (write to THREE decimal places) Air voids, AV = % (write to one decimal place) Voids in mineral aggregate, VMA = % (write to one decimal place) Voids filled with asphalt, VFA = % (write to one decimal place)
An asphalt concrete specimen has the following properties:asphalt content = 5.9% by total weight of mix bulk specific gravity of the mix = 2.457 theoretical maximum specific gravity = 2.598 bulk specific gravity of aggregate = 2.692Calculate the percents VTM, VMA, and VFA.
An asphalt concrete specimen has the following properties:Asphalt content = 5.5% by total weight of mixBulk specific gravity of the mix = 2.475Theoretical maximum specific gravity = 2.563Bulk specific gravity of aggregate = 2.689 Ignoring absorption, calculate the percents VTM, VMA, and VFA.
An asphalt concrete specimen has the following properties:Asphalt content=5.3% by total weight of mixBulk specific gravity of the mix=2.442Theoretical maximum specific gravity=2.535Bulk specific gravity of aggregate=2.703Calculate the percents VTM, VMA, and VFA.
As part of mix design, a laboratory-compacted cylindrical asphalt specimen is weighed for determination of bulk-specific gravity. The following numbers are obtained:Dry mass in air = 1264.7 gramsMass when submerged in water = 723.9 gMass of saturated surface dry (SSD) = 1271.9 ga. What is the bulk-specific gravity of the compacted specimen (Gmb)?b. If the maximum theoretical specific gravity of the specimen (Gmm) is 2.531, what would be the air void content of the specimen in percent?
Temperature has a large effect on the asphalt viscosity. Plot a typical (qualitative) relationship between asphalt viscosity (logarithmic) and temperature for two cases: (a) a low-temperature susceptible asphalt and (b) a high-temperature susceptible asphalt.
As part of mix design, a laboratory-compacted cylindrical asphalt specimenis weighed for determination of bulk-specific gravity. The following numbersare obtained:Dry mass in air = 1264.7 gramsMass when submerged in water = 723.9 gMass of saturated surface dry (SSD) = 1271.9 ga. What is the bulk-specific gravity of the compacted specimen (Gmb)?b. If the maximum theoretical specific gravity of the specimen (Gmm) is2.531, what would be the air void content of the specimen in percent?
A compacted asphalt concrete specimen has the following properties:a. Asphalt content = 5% by total weight of the mixb. Bulk specific gravity of the mix = 2.500c. Theoretical maximum specific gravity = 2.610d. Bulk specific gravity of the aggregate = 2.725 Ignoring absorption, compute the percents VTM, VMA, and VFA.
) An asphalt mix contains 2250kg of aggregates and 150kg of bitumen binder per m3.Bitumen absorption of the aggregates is 1.2% of the total mix. The bulk specific gravity of the aggregates (Gsb) is 2.670, and the specific gravity of bitumen (Gb) is 1.050. Determine the following: Bulk specific gravity of the mix (Gmb)
QUESTION 8 AC 10 and AC5 are viscosity graded asphalt cements. Which of the following statements about them is true? The viscosities are determined at a standard temperature of 100°C AC 5 is harder than AC 10 To reduce the viscosity of both to the same value AC 10 must be heated to a higher temperature than AC 5 At 50°C, AC 5 is a solid and AC 10 is a liquid
An aggregate blend is composed of 59% coarse aggregate by weight (Sp. Gr.2.635), 36% fine aggregate (Sp. Gr. 2.710), and 5% filler (Sp. Gr. 2.748). Thecompacted specimen contains 6% asphalt binder (Sp. Gr. 1.088) by weight oftotal mix and has a bulk density of 2305 kg/m3. Ignoring absorption, compute the percent voids in total mix, percent voids in mineral aggregate, and the percent voids filled with asphalt.
Asphalt is also known as ______(1)_______. This is a sticky and highly viscous materials in ______(2)_____ and ________(3)______ form . This may be found in _____(4)______ or refined product. It is obtained either as a residue from ____(5)_______ of petroleum or from natural ____(6)_______. The primary percentage use of asphalt is 70% is in ____(7)_______ construction , where it is used as the glue binder with ____(8)_______ particles to create asphalt concrete. The other main use is for bituminous ________(9)_____ products including sealant. It is also used in other paved road, ______ (10)____ runoff, cark parks and footways. (Fill in the blanks)