Asphalt is more advantageous than chip seal because it can correct irregularities in an existing pavement. a. True O b.
Posted: Sat May 21, 2022 12:44 pm
Which one the following is NOT a factor contributing to the resistance of shear force in pavement surfacing? O a. The tyre pressure of vehicles O b. The toughness of aggregate used O c. The amount of binder used O d. The braking and accelerating of vehicles
Open graded mix has air void of about 4%, and relies on mechanical interlock of aggregate particles for stability. O a. False O b. True
Fine gap graded mixes rely for stability on the stiffness of the fine aggregate/filler/binder mixture. O a. True O b. False
100 Asphalt B. Percentage passing 50 0.075 19.0 1.18 Sieve size (mm) 4.75 Figure 1 What type of mix is Asphalt B in Figure 1? O a. Dense graded mix O b. Open graded mix Oc Stone mastic mix d. Gap graded mix
An asphalt mix has about 5% of binder and about 3-7% of air void. It can be used for light, medium, and heavy traffic. What type of asphalt is it? O a. Open graded asphalt O b. Dense graded asphalt O C. Stone mastic asphalt d. Fine gap graded asphalt
Different type of binder can provide different resistance to shear force for a dense graded asphalt. In ascending order, which one of the following is true about the binders for the increase in resistance to shear force? O a PMB, Class 320, Epoxy resin binder O b. Class 170, PMB, Epoxy resin binder O C. Epoxy resin binder, PMB, Class 170 O d. PMB, Class 170, Epoxy resin binder