1 Misr Higher Institute for Engineering and Technology, Mansoura. Highway and Airport Engineering and Planning Dr. Sherif El-Badawy Misr Higher Institute for Engineering and Technology, Mansoura. Course Objectives • Ability to Classify Binders based on the Superpave Method. • Ability to Select the Appropriate binder PG grade based on the climatic conditions, Traffic Level, and rate of loading. • Ability to Design Hot Mix Asphalts using the Superpave Design Method. • Ability to perform Airport Planning and Design.
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01-Introduction ( Highway and Airport Engineering Dr. Sherif El-Badawy )
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Misr Higher Institute for Engineering and Technology, Mansoura.
Highway and Airport Engineering and Planning
Dr. Sherif El-Badawy
Misr Higher Institute for Engineering and Technology, Mansoura.
Course Objectives
• Ability to Classify Binders based on the Superpave
Method.
• Ability to Select the Appropriate binder PG grade
based on the climatic conditions, Traffic Level, and
rate of loading.
• Ability to Design Hot Mix Asphalts using the
Superpave Design Method.
• Ability to perform Airport Planning and Design.
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Misr Higher Institute for Engineering and Technology, Mansoura.
The GOAL of Mix Design
Misr Higher Institute for Engineering and Technology, Mansoura.
Getting this to
Carry this No this.Without
Too much of This.
The Mix Design GOAL is…
Develop an economical blend of aggregates and asphalt
binder that meet design and functional requirements
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Thermal Cracking
Structural Distresses
Mansoura-Gamasa
Rutting
New Damitta -Port
Fatigue Cracking
Misr Higher Institute for Engineering and Technology, Mansoura.
• Design of an Asphalt-Aggregate Mixture
consists of…
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1• Select the type and gradation of
aggregate
2• Select the type and grade of asphalt
binder, with or without modification
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• Select the amount of asphalt binder to satisfy the project-specific requirements…
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Misr Higher Institute for Engineering and Technology, Mansoura.
Properties of a Good
Asphalt-Aggregate Mixture
Stiffness
Durability
Stability
Fatigue Resistance
Fracture Resistance
Low Skid
Impermeable
Workability
Misr Higher Institute for Engineering and Technology, Mansoura.
History
• Asphalt Paving in the United States
• 1870 in Newark, New Jersey
• 1871 in Washington, DC
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Misr Higher Institute for Engineering and Technology, Mansoura.
Early Mix Design
(1940-1960)
• Dominated by World War II.
• 1950’s Most Prevalent Systems, developed by:
• Francis Hveem
• Bruce Marshall
• Others:
• Hubbard-Field, Smith Triaxial, & Texas Gyratory
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Misr Higher Institute for Engineering and Technology, Mansoura.
Early Design Methods
• State of California DOT Method• Driver: Poor Performance