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What are the basic phases of Highway Design Process?              The basic phases of design process are...

  1. What are the basic phases of Highway Design Process?             

The basic phases of design process are labeled as:

  1. Briefly define Transportation Engineering,

What are the basic stages which would result in safe, fast and confortable transportation system?                        

    1. What are the differences between “Asphaltic Concrete Pavement (Flexible Pavement)” and “Rigid Pavement? Explain in detail.
    2. Draw typical cross sections and indicate the names of the layers of a Rigid Pavement and Flexible Pavement Briefly describe the load carrying mechanisms of these pavements.
    1. What are the main attributes of transportation systems                    

    1. What is the difference between “gradeline” and “groundline” of a highway?

    1. What is “Cut-and-fill” method? What are the advantages and disadvantages?

    1. What is “end haul” method? What are the advantages and disadvantages?

    What is the difference of “end haul” and “Side-Cast Fill”. Explain using appropriate drawings.

    1. Define Reinforced fill. What is the reason to use this system?

    1. Define “borrow pit”. When do we need it? What is the effect of using borrow pit on the earthwork cost?

    1. What is Culvert (cross culvert)?? Why do we use it? Draw a sketch showing a box-type culvert and Show the parts of it…

    1. What is Road Oblirteaion?? Why and when is it applied?

    1. What is Road Infrastructure?

    1. Briefly describe natural groundline, subgrade, subbase, base and surfacing.

    1. What is the difference between SideDitch and Interceptor Ditch using appropriate sketches?

    Would you prefer construct both ditches. If yes; why?

    1. Define “Road Profile” and “Road Plan” using appropriate sketches..

    1. What is the difference between “Slope” and “Grade” in highway design terminology?

    What are the limiting conditions affecting the grade and slope??

    1. What are the compulsory variables (Parameters) that should be specified before starting horizontal and vertical highway design?

    1. What is the most important limiting design parameter of Railway Design which is vital compared with Highway Design?

    1. What are the basic engineering , mathematical and social-ecomonomic branches that are closely related with Transportation Engineering issues???
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