Materials for Civil and Construction Engineers (4th Edition)
4th Edition
ISBN: 9780134320533
Author: Michael S. Mamlouk, John P. Zaniewski
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 9, Problem 9.14QP
To determine
The standard PG grade asphalt binder grade for each of the conditions shown in the Table P9.14.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
As a materials engineer working for a highway department, what standard PG
asphalt binder grade would you specify for each of the conditions shown in
Table P9.14 (show all calculations and fill in the table)?
TABLE P9.14
Seven-Day Maximum
Pavement Temperature
Minimum Pavement
Recommended
Temperature
PG Grade
Standard
98%
Mean, °C Deviation, °C Reliability Reliability
Standard
50%
Case Mean, °C
Deviation, °C
1
43
1.5
-29
2.5
2
51
-18
4
62
2.5
10
As a materials engineer working for a highway department, what standard PG
asphalt binder grade would you specify for each of the conditions shown in
Table P9.15 (show all calculations and fill in the table)?
TABLE P9.15
Seven-Day Maximum
Pavement Temperature
Minimum Pavement
Recommended
Temperature
PG Grade
Standard
Standard
50%
98%
Case Mean, °C
Deviation, °C
Mean, °C Deviation, °C Reliability Reliability
1
39
-32
3.5
54
1.5
-17
2
3
69
2.5
Problem #1
The following figure shows the results from the dynamic modulus test for asphalt mixtures. The specimen
is 4" in diameter and 6" in height. The gauge length for the axial LVDT is 4". Time lag is 0.25s. Find |E*I,
and phase angle .
Axial force(lbf)
65
60
40
20
0
-20
-40
-65
0
Dynamic modulus test result (gauge length = 4")
0.5
Time (second)
1
0.0010
0.0009
0.0006
0.0003
0
force (lbf)
disp (in.)
-0.0003
-0.0006
-0.0009
-0.0010
1.5
Axial displacement(in)
4"
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
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- 9.14 As a materials engineer working for a highway department, what standard PG asphalt binder grade would you specify for each of the conditions shown in Table P9.14 (show all calculations and fill in the table)? Table P9.14 Seven-Day Pavement Maximum Minimum Pavement Temperature, °C Temperature, °C Recommended PG Grade 50% 98% Case Mean, °C Std. Dev., °C Mean, °C Std. Dev., °C Reliability Reliability 1 43 1.5 - 29 2.5 2 51 -18 4 3 62 2.5 10 2arrow_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_forwardIdentify the following statement whether it is (True) or (False). If your answer is false, give the correct answer? 1- Dowel bars are generally provided across longitudinal joints of rigid pavement. 2- The migration of asphalt cement to the surface of the pavement under wheel loads especially at high temperatures is called stripping. 3- The lower the penetration of asphalt binder, the softer the asphalt binder. 4- We need to keep the aggregate for 24 hours in an oven at 105°C to obtain the aggregate dry weight. 5- It is important to design thicker layers of asphalt if the subgrade materials are not strong enough to withstand expected loads during their life cycle. 6- The medium curing asphalt is produced by blending asphalt with diesel oil.arrow_forward
- Binder grade of asphalt selected for a highway construction based on the temperature recordsfound to be PG70-16. Answer to the following questions:• If traffic speed is high (more than 70 km/h) and 0.2 million ESAL, what is your suggestionfor the binder grade?• If traffic speed is slow (less than 20km/h) and traffic volume is very high (40 million EASL), what is your suggestion for the binder grade?arrow_forwardE Q2: Two types of asphalt cement (A and B) have been tested with different temperatures to indicate the kinematic viscosity and the table below presented the results. 1- Draw the viscosity vs temperature chart, 2- Indicate the raixing and compaction temperatures ranges for each type, 3- Which one is more susceptible to temperature change? 130 140 Temperature, C Kinematic viscosity, centistoke Type A Type B 600 800 420 500 150 300 290 160 220 180 Dis 170 D857arrow_forwardhighway engineering labartory name test "Standard Test Method for Ductility of Bituminous Materials" discuss what mean if the asphalt exceeded 100 and don't cut?arrow_forward
- Problem No. 1A flexible pavement for an urban interstate highway is to be designed using the AASHTO method to carry a design ESAL of 3 x 106. It is estimated that it takes about a week for water to be drained from within the pavement and the pavement structure will be exposed to moisture levels approaching saturation for 30% of the time. The following additional information is available: Elastic modulus of asphalt concrete = 450,000 psiResilient modulus of base material = 35,000 psiResilient modulus of subbase material = 15,000 psiCBR of subgrade material = 8arrow_forwardDiscuss the following terms briefly: Emulsion breaking and Cutback curing, Water bound and aggregate base, Flexible pavement and Rigid pavements Cross slope and side slope of road,arrow_forwardQ=What is the primary function of the pavement structure? Why do we use high quality materials as we go from bottom to top of the pavement structure? Answer in word formatarrow_forward
- 18. Refer to Tables 2-1.1 and 2-1.2 and Figure 18.9 attached. What would be the thickness of asphalt concrete according to the Asphalt Institute required to support 950,000 ESAL over a 4-inch granular base? Use the resilient modulus data provided in Table 2-1.2 to perform your calculations. Select the best answer.a. 4.0 inchesb. 5.0 inchesc. 7.0 inchesd. 12.0 inchesarrow_forwardCalculate the ratio of radius of the relative stiffness for concrete pavements if the ratio of their thickness is 1.5.arrow_forwardElectromagnetic technologies offer effective nondestructive sensing techniques for determining characteristics of pavement. The propagation of electromagnetic waves through thematerial depends on its dielectric properties. The following data, kindly provided by the authorsof the article “Dielectric Modeling of Asphalt Mixtures and Relationship with Density” (J. ofTransp. Engr., 2011: 104–111), was used to relate y = dielectric constant to x = air void (%) for18 samples having 5% asphalt content: y <- c(4.55, 4.49, 4.50, 4.47, 4.47, 4.45, 4.40, 4.34, 4.43, 4.43, 4.42, 4.40, 4.33, 4.44, 4.40, 4.26, 4.32, 4.34)x <- c(4.35, 4.79, 5.57, 5.20, 5.07, 5.79, 5.36, 6.40, 5.66, 5.90, 6.49, 5.70, 6.49, 6.37, 6.51, 7.88, 6.74, 7.08)(a) Obtain the equation of the least squares line and interpret its slope.1(b) What proportion of observed variation in dielectric constant can be attributed to the approximate linear relationship between dielectric constant and air void.(c) Does there appear to be…arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Structural Analysis (10th Edition)Civil EngineeringISBN:9780134610672Author:Russell C. HibbelerPublisher:PEARSON
Principles of Foundation Engineering (MindTap Cou...Civil EngineeringISBN:9781337705028Author:Braja M. Das, Nagaratnam SivakuganPublisher:Cengage Learning
Fundamentals of Structural AnalysisCivil EngineeringISBN:9780073398006Author:Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel LanningPublisher:McGraw-Hill Education
Traffic and Highway EngineeringCivil EngineeringISBN:9781305156241Author:Garber, Nicholas J.Publisher:Cengage Learning
Structural Analysis (10th Edition)
Civil Engineering
ISBN:9780134610672
Author:Russell C. Hibbeler
Publisher:PEARSON
Principles of Foundation Engineering (MindTap Cou...
Civil Engineering
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Cengage Learning
Fundamentals of Structural Analysis
Civil Engineering
ISBN:9780073398006
Author:Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:McGraw-Hill Education
Traffic and Highway Engineering
Civil Engineering
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Cengage Learning