WITH EFFECT FROM THE ACADEMIC YEAR 2012 - 2013
CE 305
TRANSPORTATION ENGINEERING
Instruction 4 Periods per week
Duration of University Examination 3 Hours
University Examination 75 Marks
Sessional 25 Marks
UNIT-I
Highway Alignment and Geometric design: History of highway engineering, highway alignment, engineering surveys, obligatory points. Mobility and accessibility concepts, functional classification of Highways as per IRC. Geometric design: carriageways, shoulders, medians, right of way, footpaths, cycle tracks, service roads, frontage roads, sight distance, stopping sight distance, overtaking sight distance. Camber, horizontal curves, super – elevation, transition curves, extra widening, gradient, grade compensation and design of vertical curves.
UNIT-II
Traffic Engineering: Objectives of traffic studies, traffic characteristics, volume, speed, density, headways and relationship among them. Traffic volume studies, speed and delay studies, intersection delay studies, highway capacity and level of service concept as per HCM 2000, origin and destination studies, intersection improvement studies at grade, need of grade separated intersections, channalisation, rotary planning and design, concept of signal design, parking and accident studies.
UNIT-III
Highway Materials & Pavement Design: Various properties of highway materials. pavement types, factors to be considered for pavement design, structural difference between flexible and rigid pavement design. Flexible pavement design – concept of layer theory, design wheel load, ESWL, EALF, vehicle damage factor, design based on CBR developed by US corps of engineers, IRC cumulative standard axles method (IRC-37:2002). Rigid pavement design – concept, wheel load stresses analysis by Westergaard. Sub-grade, dry lean concrete, radius of relative stiffness. Modulus of sub grade reaction and other characteristics of concrete, critical wheel load and temperature stresses. Longitudinal and transverse
9 10
joints, contraction joints, expansion joints, construction joints, dowel bars and tie bars functions.
UNIT-IV
Railway Engineering: Introduction to Railways, permanent way component parts and its functions. Rails – various types, functions, creep in rails, creep measurement, coning of wheels and rail fixations, Sleepers-various types, merits and demerits, ballast, various types and sub grade preparation. Railway alignment and geometric design – alignment. Super-elevation, negative super elevation, Cant deficiency. Example problems. Points and crossing. Layout of left and right hand turnouts. Construction and maintenance of permanent way.
UNIT-V
Airport Engineering: Introduction to air transportation, history and international organizations role in development of airports, air craft types and its characteristics. General lay-out of an airport and its component parts including functions. Site selection of an airport as per ICAO, orientation of runway by wind rose diagrams, basic runway length determination including corrections, geometric design, types of airports as per landing & take-off and its dimensions.
Suggested Reading :
- 1.Khanna, S.K. and Justo, C.E.G.(1994), “Highway Engineering", Nemchand & Bros, New Delhi, India.
- 2.Mcshane, W.R. Roess, R.P. and Prassas, E.S. "Traffic Engineering", Prentice Hall, Englewood Cliffs, 1997.
- 3.Yang, H. and Huang., “Pavement Analysis and Design”, Prentice Hall India Ltd-2004.
- 4."Highway Capacity Manual", Transportation Research Board, national Research Council, Washington, D.C. 2010.
- 5.Khanna. S.K. Arora, M.G. and Jain. S.S. (1994) “Airport Planning and Design” Fifth edition. Nem Chand & Bros, Roorkee, India.
- 6.Chandra, S and Agarwal, M.M. (2007) “Railway Engineering” Oxford Higher Education, University Press, New Delhi.
- 7.Saxena S.C and Arora, S, “Text book of railway Engineering”
Dhanpat Rai and Sons., 1988.
- 8.Relevant IRC codes