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 9.4QP
To determine
Show the asphalt concrete pavement section.
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Draw an asphalt concrete pavement section consisting of an asphalt concretesurface layer, aggregate base, and subgrade. Show the locations of prime coat and chip seal.
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As a materials engineer working for a highway department, what standard PGasphalt binder grade would you specify for each of the conditions shown inTable P9.14 (show all calculations and fill in the table)?
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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- How do you simulate asphalt pavement aging during construction and for the first couple of years in Superpave mix design? Using RTFO Using DSR Using PAV Using BBRarrow_forward2.69 Question No.4 (Answer 2 sections, with the 3rd (c) being of the them (compulsory) 20% a. Determine the temperature susceptibility of asphalt binder has the following test results: Penetration at 25°C = 42 dmm, and softening point, TR&B = 52°C. b. The results of asphalt cement tested are tabulated as follow; Determined PI and temperature susceptibility Table 7 penetration Test Result 42 Standard 46 °C @50 gm; 5 sec 32 R&B 52 Temp. C Field 46 c. The strain-loading time relationship for mechanical model shown in the same Figure 1; 1. Calculate the elastic deformation and their occurrence time. 2. Calculate the delay time. 3. Calculate the amount of deformation at 90 seconds after applying a load of 100 psi. 05 Strain( mm/mm) 0.6 04 02 80 Leading Timel sec) Figure 1 2arrow_forwardGiven the specifications for an asphaltic concrete mixture and the results of a sieve analysis, determine the proportion of different aggregates to obtain the required gradation. Coarse aggregates: 60% Fine aggregates: 35% Filler: 5%arrow_forward
- Why angular and rough aggregate is good for Asphalt concrete? Explain the answer by relating the texture to other properties of aggregate.arrow_forwardExplain about Marshall Stability and Flow of Asphalt Concrete in detail.arrow_forwardUsing the following data for an unreinforced PCC Pavement slab:■ Design strength f′c = 28 MPa■ Slab thickness = 300 mm■ Standard deviation of f′c obtained from 20 samples = 1.4 MPa■ Ignore any exposure requirement■ Use air-entrained concrete■ Fineness modulus of fine aggregate = 2.60■ Maximum aggregate size = 50 mm and nominal maximum aggregatesize = 37.5 mm■ Bulk oven-dry specific gravity of coarse aggregate = 2.6■ Oven-dry rodded density of coarse aggregate = 2002 kg/m3Find the following:a. Required compressive strengthb. w/c ratioc. Coarse aggregate amount (kg/m3)d. If the w/c ratio is 10% reduced, will the quantity of coarse aggregateincrease, decrease or remain the same? Explain your answer.arrow_forward
- Using the following data for an unreinforced PCC Pavement slab:■ Design strength f′c = 28 MPa■ Slab thickness = 300 mm■ Standard deviation of f′c obtained from 20 samples = 1.4 MPa■ Ignore any exposure requirement■ Use air-entrained concrete■ Fineness modulus of fine aggregate = 2.60■ Maximum aggregate size = 50 mm and nominal maximum aggregatesize = 37.5 mm■ Bulk oven-dry specific gravity of coarse aggregate = 2.6■ Oven-dry rodded density of coarse aggregate = 2002 kg/m3Find the following:a. Required compressive strengthb. w/c ratioc. Coarse aggregate amount (kg/m3)d. If the w/c ratio is 10% reduced, will the quantity of coarse aggarrow_forwardUsing the following data for an unreinforced PCC Pavement slab:■ Design strength f′ c = 28 MPa■ Slab thickness = 300 mm■ Standard deviation of f′ c obtained from 20 samples = 1.4 MPa■ Ignore any exposure requirement■ Use air-entrained concrete■ Fineness modulus of fine aggregate = 2.60■ Maximum aggregate size = 50 mm and nominal maximum aggregatesize = 37.5 mm■ Bulk oven-dry specific gravity of coarse aggregate = 2.6■ Oven-dry rodded density of coarse aggregate = 2002 kg/m3Find the following:a. Required compressive strengthb. w/c ratioc. Coarse aggregate amount (kg/m3)d. If the w/c ratio is 10% reduced, will the quantity of coarse aggregateincrease, decrease or remain the same? Explain your answer.arrow_forwardAs a materials engineer working for a highway department, what standard PG asphalt binder grade would you specify for each of the conditions shown in the table below. Show all calculations.arrow_forward
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