Match the following binder test equipment with the property that is being tested

Question

Match the following binder test equipment with the property that is being tested. Rotational Viscometer (RV) 1. Simulate binder aging (hardening) characteristics Bending Beam Rheometer (BBR) Direct Tension Tester (DTT) 2. Measure binder properties at high intermediate temperatures Rolling Thin Film Oven (RTFO) Pressure Aging Vessel (PAV) 3. Measure binder properties at high temperatures 4. Measure binder properties at low temperatures Dynamic Shear Rheometer (DSR) The high performance temperature for a Performance Graded Binder defined by the term PG 64-22 is The high temperature grade is the a. Average of 7 highest temperature days b. The highest temperature day The low temperature grade is the a. b. c. Average of 7 lowest temperature days Average of the 7 consecutive lowest temperature days The lowest temperature day An asphalt binder with bending beam rheometer (creep stiffness) valve of-24 and a dynamic sheer rheometer valve of 13 would be classified as PG 52-__. Determine the structural number (SN) for 4” HMA plant mix 8" crushed stone 12" sandy gravel SN

Explanation / Answer

RV-3

BBR-4

RTFO-1

DSR-2

The temperature ranges from 140 to 168 but the high temperature is 177

The highest temperature represents average of 7 days highest temperatures

Lowest temperature grade represents the areas lowest temperature on that day

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