ECE 416_HW2 Fall 2015 - Date ECE 416 Fall 2015 HOMEWORK#2 Traffic Calculation Due October 2 2015 Calculation AASHTO 1993 Traffic Input 1 The axle load

# ECE 416_HW2 Fall 2015 - Date ECE 416 Fall 2015 HOMEWORK#2...

• Test Prep
• 3

This preview shows page 1 - 3 out of 3 pages.

1 Date: September 22, 2015 ECE 416 Fall 2015 HOMEWORK #2 Traffic Calculation Due October 2, 2015 Calculation: AASHTO 1993 Traffic Input 1.The axle load data are obtained from 30 class 6 vehicles. Calculate average truck factors for the conditions below. a)Flexible pavement with SN = 6, Pt = 2.0 (3 points) b)Flexible pavement with SN = 3, Pt = 2.5 (3 points) c)Rigid pavement with slab thickness D=6”, Pt = 2.5 (3 points) d)Rigid pavement with slab thickness D=12”, Pt = 2.5 (3 points) Axle Load, kipNumber of Daily Axles1051810201030510220530104010503Single front axle loadsTandem rear axle loads
2 Date: September 22, 2015 ECE 416 Fall 2015 2.Complete the given ESAL calculation table and answer the questions. Given conditions are: Design life = 20 years Number of lanes = 4 (two ways) Directional distribution factor = 0.53 Annual traffic growth rate = 4 % (same for all vehicle classes) Please fill out table. (6 points) a)What is the design ESAL for HMA pavement? (2 points) b)What is the design ESAL for PCC pavement? (2 points) c)What is % traffic of class 9 vehicle? (

#### You've reached the end of your free preview.

Want to read all 3 pages?

• Summer '19
• Harshad number, Truck, HMA, FHWA, Single axles

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern