CE 457 Highway Design

Credit Structure: (2-2) 3

Catalog Description:
Functional and geometric classification of highways, highway and motorway standards, route location, design controls and criteria for horizontal alignment and vertical alignment, design and application of horizontal circular curves, spirals as transition curves, superelevation applications, design of vertical curves, earthwork calculations, surface and subsurface drainage, box culvert design, types of pavements, paving materials, flexible pavement design according to AASHTO design method.

Course Objectives:
The objectives are to introduce the principles of highway design and to provide the students to practice completing of a partial highway design project.

Prerequisites:
CE 353 or consent of the department

Textbook(s):
None

Reference(s):
A Policy on Geometric Design of Highways and Streets by AASHTO 2000
Principles of Highway Engineering and Traffic Analysis by Mannering and Kilareski, John Wiley & Sons, 1990
AASHTO (93) Pavement Design Guide, AASHTO, 1993
 

Syllabus:
• Introduction (6 hours)
Rural and urban highway networks, functional and geometric classification of highways, route location, selection of         highway design features based on traffic and level of service criteria. Ethics, professional responsibility and legal issues for civil engineers
• Design Controls and Criteria (3 hours)
Highway and motorway standards, design speed, stopping and passing sight distances, stability-comfort and sight distance criteria for highway design.
• Horizontal Alignment (6 hours)
Design and application of horizontal circular curves, spirals as transition curves, superelevation applications.
• Vertical Alignment (4 hours)
Design of parabolic vertical curves, coordination with horizontal alignment
• Earthwork and Cost of Earthwork Transportation (3 hours)
Mass curves, earthwork transportation cost, balancing of earthwork transportation
• Drainage and Culvert Design (3 hours)
Surface and subsurface drainage structures, location and design of box culverts.
• Pavement Design (3 hours)
Pavement types, paving materials, design of flexible pavements using AASHTO (93) flexible pavement design method.
 

Grading System:
25 % Midterm
15 % Assignments
30 % Project
30 % Final

Maximum Class Size and Student Quota:
50 for Department Students
None for Non-Department Students

Homeworks, Quizzes, Projects:
None

Computer Usage:
None

Laboratory Work:
None

Category Content:
Mathematics and Basic Sciences: None
Engineering Design: 3
Engineering Sciences: None
Humanities & Social Sciences: None
Departmental: 3

Instructors:
Inst. Dr. S. Osman Acar