CE 441 Highway Materials

Credit Structure: (2-2)3

Catalog Description:
Nature, sources, and uses of asphalt. Production and classification of asphalt. Chemistry of asphalt. Physical properties of asphalt. Tests on asphalt. Classification and properties of mineral aggregates. Test on aggregates. Aggregate calculations. Types of asphalt aggregate combinations and their applications. Significant properties of asphalt paving mixture calculation. Asphalt mix design.

Course Objectives:
The objective is to make the students familiar with asphalt, aggregate pavement mixtures and behavior of asphalt paving mixtures under traffic loads.

Prerequisites:
None

Textbook(s):
None

Reference(s):
Asphalt Institute Publications, Colloge, yearly published.
AAPT Publications, yearly published.
Krebs and Walker, “Highway Materials”, Mc-Graw Hill Book Company.
International Conference on the Structural Design of Asphaltic Pavements, published in 5 year intervals, 1992 the latest.

Syllabus:
1. Introduction
2. Classificatioo, properties and tests on asphalt
3. Classification, properties and tests on aggregate
4. Physical properties of asphalt mixtures and tests
5. Slide show, film and field trips
6. Seminar-Term paper

Homeworks, Quizzes, Projects:
None

Computer Usage:
ELSYM5 and BISAR package programs are used when necessary.

Laboratory Work:
1. Materials Finer than 75 p.m. (No. 200 sieve) in Mineral Aggregates by Washing (ASTM C 117-80)
2. Specific Gravity and Absorption of Coarse Aggregate (ASTM C 127-80)
3. Specific gravity and Absorption of Fine Aggregate (ASTM C 128-79)
4. Sieve Analysis of Fine and Coarse Aggregates (ASTM C 136-80)
5. Penetration of Bituminous Materials (ASTM D 5-73)
6. Softening Point of Bitumen (Ring and Ball) Apparatus (ASTM D 36-76)
7. Satbolt Viscosity (ASTM D 88-56)
8. Flash and Fire Points by Cleveland Open Cup (ASTM D 92-78)
9. Ductility Bituminous Materials (ASTM D 113-79)
10. Loss on Heating of Oil and Asphaltic Compounds
11. Float Test for Bituminous Materials (ASTM D 139-77)
12. Resistance to Plastic Flow of Bituminous Mixtures Using Marshall Apparatus (ASTM D 155-76)
13. Resistance of Deformation and Cohesion of Bituminous Mixtures by Means of Hveem Apparatus (ASTM D 1560-76)
14. Compaction of Test Specimens of Bituminous Mixtures by Means of California Kneading Compactor (ASTM D 1561-76)
15. CBR Test

Category Content:
Mathematics and Basic Sciences: None
Engineering Design: 1 credit
Engineering Sciences: 2 credits
Humanities & Social Sciences: None
Departmental: None

Instructors:
Rüstü Yüce