Q3: Select true (T) or false (F) for the following statements: 1- AC is heated at 60 °C for preparation of Marshall samples. 2- Marshall flow value decreases with % AC increases. 3- Stability decreases when temperature increases at optimum % AC. 4- Core samples are taken for each lane respectively. 5- Asphalt mix rotates in centrifugal test with 300 r/min.

Q3: Select true (T) or false (F) for the following statements: 1- AC is heated at 60 °C for preparation of Marshall samples. 2- Marshall flow value decreases with % AC increases. 3- Stability decreases when temperature increases at optimum % AC. 4- Core samples are taken for each lane respectively. 5- Asphalt mix rotates in centrifugal test with 300 r/min.

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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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 10:57
Question number (17) Highway Engineering civil engineering
Example: An HMA sample had been taken from a road during the construction, the weight of sample after the separation of binder was 4621 gm and the retaining on each sieve is shown in following table. Determine whether HMA sample is satisfying the Iraqi specification for base course asphalt or not? [ 62 ] Dr. Basim Al-Humeidawi University of Al-Qadissiyah Roads and Transport Department College of Engineering Technology of asphalt concrete 2nd Year % passing according to Iraqi specification Base Binder Surface Surface course course A course B course 37.5 100 25 90 - 100 100 86.32 19 632 76 - 90 90 - 100 100 13.67 12.5 920 56 - 80 70 - 90 90 - 100 100 9.5 612 48 - 74 56 - 80 76 - 90 90 -100 4.75 628 29 - 59 35 - 65 44 - 74 55 - 85 2.36 405 19 - 45 23 - 49 28 - 58 32 - 67 0.3 833 5 -17' 5 - 19' 5 - 21' 7- 23 ' 0.075 406 2 -8' 3 - 9' 4 - 10' 4 - 10' Pan 185 Total 4621 weight
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QUESTION 1 A drum mix asphalt plant is different than a batch mix asphalt plant. O True O False QUESTION 2 Excess asphalt mix is kept in a grain silo until trucks transport it to the job site. O True O False QUESTION 3 Typically, ODOT calls for minimum 7" layer of surface asphalt mix to be placed and then a 4" layer of aggregate base beneath. O True O False
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