Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 21, Problem 11P
To determine
The age at which the PCR reaches the value of
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Pavement Condition Index (PCI) Survey is developed by US Army Corps of Engineers to quantify the condition of pavement section so it will enable decision- makers to decide on the most suitable maintenance method for the pavement section. Through the fieldwork survey and then the deskwork, the PCI values, which is used to indicate the general condition of a pavement section are obtained.
List FIVE (5) factors that influence the PCI values and elaborate briefly the relationship of each factor with the PCI values
DESIGN OF A RIGID PAVEMENT
Give a summary of rigid pavement design procedure by AASHTO method (1993), and describe the variables used in the method.
Explain the CBR test; how to conduct the test and its purposes. Where are the usages of test results in practical applications? Explain its advantages and disadvantages.
Determine the thickness of a rigid pavement (thickness of concrete slab) by using the data provided below:
DATA PROVIDED:
Cumulative 18kips ESAL = 5.000.000
Overall standard deviation = 0.3
Reliability = 95%
Design serviceability loose =1.7
Drainage coefficient = 1
Load transfer coefficient = 3.2
Mean concrete modulus of rupture = 650 psi
Elastic modulus of the concrete to be used = 5.000.000psi
Results of CBR test on subgrade material in the laboratory (Table 1):
10. Standard force-penetration data.
DESIGN OF A RIGID PAVEMENT1. Give a summary of rigid pavement design procedure by AASHTO method (1993), anddescribe the variables used in the method.2. Explain the CBR test; how to conduct the test and its purposes. Where are the usages oftest results in practical applications? Explain its advantages and disadvantages.3. Determine the thickness of a rigid pavement (thickness of concrete slab) by using thedata provided below:DATA PROVIDED:1. Cumulative 18kips ESAL = 5.000.0002. Overall standard deviation = 0.33. Reliability = 95%4. Design serviceability loose =1.75. Drainage coefficient = 16. Load transfer coefficient = 3.27. Mean concrete modulus of rupture = 650 psi8. Elastic modulus of the concrete to be used = 5.000.000psi9. Results of CBR test on subgrade material in the laboratory (Table 1):10. Standard force-penetration data.
Chapter 21 Solutions
Traffic and Highway Engineering
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
- The following are the results of pavement distress survey: Distresses identified are: Alligator cracks, patching, raveling and bleeding. The corresponding factors are: 2.4, 2.0, 2.1, 1.5, respectively. The weights are: 9, 6, 3, 3, respectively. Compute the distress rating.arrow_forwardNeed step by steparrow_forwarda) As a pavement inspector, you are assigned to assess a pavement condition. Following photographs were taken during a survey from 2 locations of the pavement. Figure 1: Location 1 Figure 2: Location 2 Describe these distresses with possible causes and repair techniques.arrow_forward
- Question number (26) Highway Engineering civil engineeringarrow_forwardAssume that the overall pavement evaluation of Interstate highways in a district consists of four categories: Surface distress index = 75, drainage index = 80, roughness index = 85, and structural index = 90. For all indices, 100 represents the best condition. Calculate the overall pavement index (OPI) of the interstate highways in this district, if the relative weights of different indices are 0.20, 0.25, 0.28, and 0.27, respectively.arrow_forwardThe following are the results of pavement distress survey: Distresses identified are: Alligator cracks, patching, raveling and bleeding. The corresponding factors are: 2.4, 2.0, 2.1, 1.5, respectively. The weights are: 9, 6, 3, 3, respectively. Compute the distress rating. Blank 1 Blank 1 Add your answerarrow_forward
- Public Works Department (PWD) received a complaint from the traffic user on the increasing number of pavement deformations such as potholes and crocodile cracks at Jalan Ayer Dalam, Petaling Jaya, Selangor. A site investigation conducted by the PWD revealed that at 5 cm below the center of the tire load, a deflection of 0.889 mm was detected due to a wheel carrying a 30 KN load. The contact radius is measured at 13 cm and the Poisson ratio is 0.5. In order to analyse the pavement's performance, you are requested to determine the pavement's modulus of elasticity.arrow_forwardQ5: A highway lab performed a stability test on asphalt cores, it was found that the average stability and standard division are 15.3 and 2.1 kN respectively. For a set of samples contents 33 cores; determine: 1) the probability for getting exactly 15 kN, 2) probability of 12.116.1, 4) Probability of 11arrow_forwardQ: Discuss various Design, Construction, and Supervision factors causing pavement failures? Subject: Pavement Structure and design. Program: MS in Transportation Engineeringarrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
Recommended textbooks for you
- Traffic and Highway EngineeringCivil EngineeringISBN:9781305156241Author:Garber, Nicholas J.Publisher:Cengage Learning
Traffic and Highway Engineering
Civil Engineering
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Cengage Learning