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Example: An asphalt concrete mix is being prepared using Marshall mix design method, as illustrated in the graphs. If Gb = 1.03, Gsh = 2.69, and Gmm = 2.61, then: %3D

Example: An asphalt concrete mix is being prepared using Marshall mix design method, as illustrated in the graphs. If Gb = 1.03, Gsh = 2.69, and Gmm = 2.61, then: %3D

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Example: An asphalt concrete mix is being prepared using Marshall mix design method, as illustrated in the graphs. If Gb = 1.03, Gsb = 2.69, and Gmm = 2.61, then: 1. Calculate the optimum asphalt content (OAC), assume AC at 4% air voids = 5.5%. 164 2. Check the specifications at 143 20 20 20 AC= 6%, heavy traffic, and 256 the maximum aggregate size 250 = 1". 215 40 45 s0 1s 60 40 45 30 55 60 % AC BY WOt or MIX 3. Calculate the percent of air % AC BY WOT. OF MIX voids at 6% asphalt content. 2000 17 6000 IB00 7500 1700 ro00 "NI 001/1 - MO wwazO MO VN'A % UNIT WEIGHT-ib/ft MARSHALL STABILITY-LB.
Transcribed Image Text:Example: An asphalt concrete mix is being prepared using Marshall mix design method, as illustrated in the graphs. If Gb = 1.03, Gsb = 2.69, and Gmm = 2.61, then: 1. Calculate the optimum asphalt content (OAC), assume AC at 4% air voids = 5.5%. 164 2. Check the specifications at 143 20 20 20 AC= 6%, heavy traffic, and 256 the maximum aggregate size 250 = 1". 215 40 45 s0 1s 60 40 45 30 55 60 % AC BY WOt or MIX 3. Calculate the percent of air % AC BY WOT. OF MIX voids at 6% asphalt content. 2000 17 6000 IB00 7500 1700 ro00 "NI 001/1 - MO wwazO MO VN'A % UNIT WEIGHT-ib/ft MARSHALL STABILITY-LB.
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