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CE431 PRELIM

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CE431 PRELIM

Transportation Engineering

  • Transportation engineering involves efficient and safe mobility within human society, categorized into various classifications and methods for better understanding and implementation.

1. Introduction to Transportation Engineering

  • Importance of Mobility

    • Mobility is essential for civilizations; roads were prioritized for trade and communication.

    • Modern transportation facilities signify progress in society.

  • Definition of Transportation Engineering

    • Application of scientific methods (observation, analysis, deduction) in planning, designing, managing, and operating transportation systems.

2. Types of Transportation Facilities

  • Modes of Transportation:

    • Varieties range from human-powered (bicycles) to jet-powered vehicles (airplanes).

    • Facilities for stationary vehicles versus those for high-speed travel (over 150 kph).

    • Use by untrained versus trained operators.

3. Required Knowledge in Transportation Engineering

  • Disciplines Needed:

    • Psychology, Economics, Ecology and Environment, Sociology, Management.

    • Technical Skills: Optimization, Graph Theory, Probability Theory, Statistics, Computer Simulation, Structural Engineering, Geotechnical Engineering.

4. Classifications of Transportation Studies

  • Modal Classification:

    • Classifications based on transportation modes: walking, driving, flying, etc.

  • Elemental Classification:

    • Breakdown of travel into essential elements (driver, vehicle, path).

  • Functional Classification:

    • Classification based on engineering functions (public transport, facility management).

5. Modal Classification

  • Modes Defined:

    • Any means of transportation using specific surfaces: road, rail, water, or air.

  • Classes include:

    • Roadways, Railways, Waterways, Airway classifications.

6. Roadways

  • Mode Characteristics:

    • Vehicles traversing roads include automobiles, trucks, buses, bicycles, motorcycles.

  • Types of Roadways:

    • Expressways, Arterials, State Highways, Collectors, Local Roads.

  • Key Aspects:

    • Safe and efficient operation, layout and structural design (pavement).

7. Railways

  • Mode Characteristics:

    • Use of rail tracks, typically featuring trains with locomotives (coal, diesel, electric).

    • Types: Long-distance trains and urban commuter trains.

  • Key Aspects:

    • Safety and efficiency in rail traffic, structure below rail tracks, station planning.

8. Waterways

  • Mode Characteristics:

    • Vehicles travel through waterways, including rivers, lakes, and oceans.

    • Operations span from ferries to large ocean liners.

  • Key Aspects:

    • Port operations: boarding, loading, refueling, customs/immigration, maintenance activities.

9. Airways

  • Mode Characteristics:

    • Vehicles traverse air routes, including a variety of aircraft (helicopters, jets).

    • Fastest mode of transportation, utilized for both passenger and cargo transport.

  • Key Aspects:

    • Airport operations: boarding, cargo handling, maintenance, air traffic control, design of runways and taxiways.

Summary

  • Transportation engineering encompasses multiple modalities and requires knowledge across various disciplines. Ensuring efficiency, safety, and planning in transport systems is crucial for societal progress and functionality.