Materials for Civil and Construction Engineers (4th Edition)
4th Edition
ISBN: 9780134320533
Author: Michael S. Mamlouk, John P. Zaniewski
Publisher: PEARSON
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Chapter 9, Problem 9.43QP
To determine
Four different asphalt-modifiers are added to the asphalt and the effects of each.
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State four different asphalt modifiers that can be added to asphalt or asphalt mixtures, and indicate the effect of each.
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The use of asphalt as a binder is closely related to the influence of temperature. Explain the definition and its effect on asphalt performance in terms of softening point and flash point.
Chapter 9 Solutions
Materials for Civil and Construction Engineers (4th Edition)
Ch. 9 - Prob. 9.1QPCh. 9 - Prob. 9.2QPCh. 9 - Prob. 9.3QPCh. 9 - Prob. 9.4QPCh. 9 - Prob. 9.5QPCh. 9 - Prob. 9.6QPCh. 9 - Prob. 9.7QPCh. 9 - What are the engineering applications of each of...Ch. 9 - Prob. 9.9QPCh. 9 - Prob. 9.10QP
Ch. 9 - Prob. 9.11QPCh. 9 - Prob. 9.12QPCh. 9 - Prob. 9.13QPCh. 9 - Prob. 9.14QPCh. 9 - Prob. 9.15QPCh. 9 - Prob. 9.16QPCh. 9 - Prob. 9.17QPCh. 9 - Prob. 9.18QPCh. 9 - What are the objectives of the asphalt concrete...Ch. 9 - Prob. 9.20QPCh. 9 - Prob. 9.21QPCh. 9 - Prob. 9.22QPCh. 9 - Prob. 9.23QPCh. 9 - Prob. 9.24QPCh. 9 - Prob. 9.25QPCh. 9 - An asphalt concrete mixture includes 94% aggregate...Ch. 9 - Prob. 9.27QPCh. 9 - Prob. 9.28QPCh. 9 - Prob. 9.29QPCh. 9 - Prob. 9.30QPCh. 9 - Based on the data shown in Table P9.31, select the...Ch. 9 - Based on the data in Table P9.32, determine the...Ch. 9 - Given the data in Table P9.33, select the blend...Ch. 9 - The Marshall method of mix design has been widely...Ch. 9 - Prob. 9.35QPCh. 9 - Prob. 9.36QPCh. 9 - Prob. 9.37QPCh. 9 - Prob. 9.38QPCh. 9 - Prob. 9.39QPCh. 9 - Prob. 9.40QPCh. 9 - Prob. 9.41QPCh. 9 - Prob. 9.42QPCh. 9 - Prob. 9.43QPCh. 9 - What is the purpose of adding fly ash to asphalt...Ch. 9 - Prob. 9.45QPCh. 9 - Prob. 9.47QPCh. 9 - Prob. 9.48QP
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- Given four different types of aggregates to be used to produce a blended aggregate for use in the manufacture of asphaltic concrete, determine the bulk specific gravity of the aggregate mix.arrow_forwardList the typical four types of materials in pavement engineering and describe the three basic structures of asphalt mixture in civil engineering.arrow_forwardwhich of the following statements is true O all of these are true consistency of asphalt are varying with temperature consistency depend on weathering and durability consistency of several asphalt types are similar at same temperaturearrow_forward
- What are the organic substances in the production of warm asphalt? Please explain with reference.arrow_forwardTemperature has a large effect on the asphalt viscosity. On one graph, plot the relationship between asphalt viscosity (logarithmic) and temperature for two cases: (a) a low-temperature susceptible asphalt and (b) a high-temperature susceptible asphalt. Label all axes and relations.arrow_forwardExplain following objectives of hot mix asphalt (HMA).i) Deformation resistance ii) Moisture damage resistancearrow_forward
- Define what is meant by temperature susceptibility of asphalt. Discuss the effect on the performance of asphalt concrete pavements. Are soft asphalts used in hot or cold climates?arrow_forwarddiscuss BRIEFLY the effects of at least 10 Deficiencies in Asphalt Mixarrow_forwardAsphalt materials are recognized by the properties associated with the terms “setting”and “curing”. Explain the meaning of the two terms and explain the type of asphalt that corresponds to the two terms.arrow_forward
- Define what is meant by temperature susceptibility of asphalt. With the help of a graph showing viscosity versus temperature, discuss the effect on the performance of asphalt concrete pavements. Are soft asphalts used in hot or cold climates?arrow_forwardQUESTION 11 Which one is NOT the benefit of compaction of asphalt concrete pavement? a. Ensure the mixture is waterproof. b. Prevent further compaction. C. Increase oxidation of the asphalt. d. Provide shear strength or resistance to rutting.arrow_forwardQ3) You are required to determine if a certain asphalt can be graded as PG 58 - 28. What agingequipment and testing temperatures should use for the following tests? Explain the rational behind selecting the above testing temperatures.a) Dynamic Shear Rheometer for rutting analysis.b) Dynamic Shear Rheometer for fatigue cracking analysis.c) Bending Beam Rheometer for low temperature cracking analysis.d) Direct Tension Tester for low temperature cracking analysis.arrow_forward
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