GEOMETRIC DESIGN
Assignment-I
Deadline: 2079-09-01
Questions:
1. Define transition curve. What are the objectives of providing such curves? Derive an
expression for the determination of length of transition curve by the method of rate of
change of centrifugal acceleration. Why is grade compensation required on curves?
2. What is super elevation? Derive an expression for retermining the length of valley when
length is greater than sight distance.
3. Extra-widening
4. Define Shoulder and super elevation. Derive an expression for the determination of
extar widening on pavement on horizontal curves.
5. PIEV theory.
6. Derive an expression for calculating the overtaking sight distance on a highway.
7. Explain camber. What are the disadvantages of steep camber?
8. Grade compensation on horizontal curve.
9. Describe the curve resistance. why do you compensate grade in horizontal curve?
10. Transition Curve.
11. Define extra widening. Derove an expression for extra widening with neat sketch.
12. Explain the design methods for the calculation of length of transition curve.
13. Camber.
14. Explain the total reaction time of driver and the factors on which it depends. Explain
PIEV theory.
15. Derive an expression for finding the length of transition curve on horizontal alignment of
highways.
16. Draw the typical cross section of road and level the desired cross sectional elements.
17. What are the factors controlling the gradient design of vertical alignment. (2010 chance)
18. Right of Way.
19. Kerbs.
20. What are the different types of transition curves, define with sketches? Derive the
different methods of designing the length of transition curve. (2009)
21. Stopping Sight Distance.
Tutorials:
1. A two lane highway each 3.6m lanes has a posted speed limit of 80 km/hr and on one
direction has both horizontal and vertical curves. The length of the horizontal curve is
450m and the central angle is 70 degree, and super elevation provided is 7%. The sight
obstruction lies 6m away from the inner edge. A recent daytime crash [driver travelling
Assignment-I
Deadline: 2079-09-01
Questions:
1. Define transition curve. What are the objectives of providing such curves? Derive an
expression for the determination of length of transition curve by the method of rate of
change of centrifugal acceleration. Why is grade compensation required on curves?
2. What is super elevation? Derive an expression for retermining the length of valley when
length is greater than sight distance.
3. Extra-widening
4. Define Shoulder and super elevation. Derive an expression for the determination of
extar widening on pavement on horizontal curves.
5. PIEV theory.
6. Derive an expression for calculating the overtaking sight distance on a highway.
7. Explain camber. What are the disadvantages of steep camber?
8. Grade compensation on horizontal curve.
9. Describe the curve resistance. why do you compensate grade in horizontal curve?
10. Transition Curve.
11. Define extra widening. Derove an expression for extra widening with neat sketch.
12. Explain the design methods for the calculation of length of transition curve.
13. Camber.
14. Explain the total reaction time of driver and the factors on which it depends. Explain
PIEV theory.
15. Derive an expression for finding the length of transition curve on horizontal alignment of
highways.
16. Draw the typical cross section of road and level the desired cross sectional elements.
17. What are the factors controlling the gradient design of vertical alignment. (2010 chance)
18. Right of Way.
19. Kerbs.
20. What are the different types of transition curves, define with sketches? Derive the
different methods of designing the length of transition curve. (2009)
21. Stopping Sight Distance.
Tutorials:
1. A two lane highway each 3.6m lanes has a posted speed limit of 80 km/hr and on one
direction has both horizontal and vertical curves. The length of the horizontal curve is
450m and the central angle is 70 degree, and super elevation provided is 7%. The sight
obstruction lies 6m away from the inner edge. A recent daytime crash [driver travelling
