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Class_4_Vehicle_Performance_and_Resistan

Class_4_Vehicle_Performance_and_Resistan - CE 321Class...

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CE 321Class Overview January 20, 2009 Course expectations Transportation – definition; PSU curriculum Chapter 1 of MKW Vehicle performance and resistances Applications to highways Aerodynamic, rolling, grade Next class: Tractive effort and vehicle acceleration Homework #1 due
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The Pennsylvania State University Department of Civil and Environmental Engineering CE 321: Highway Engineering Class #5: Vehicle Performance and Resistances Spring 2008
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Overview Vehicle performance Highway design Traffic analysis Resistances encountered by vehicles Aerodynamic Grade Rolling
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Vehicle Model
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Vehicle Performance Acceleration Freeway merging Entrance ramps Intersection sight distance Deceleration Stopping sight distance Exit ramps
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Vehicle Performance Ascending and Descending Grades Truck climbing lanes Runaway truck ramps
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Truck Escape Ramp
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Truck Lanes
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Vehicle Performance Highway Design Stopping sight distance Passing sight distance Safety Ramps (Acceleration and deceleration lengths) Maximum grades
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Sight Distance
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Vehicle Performance Traffic Analysis Speed limits Signal timing Progression timing (acceleration)
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Speed limits
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