CE1255 – HIGHWAY ENGINEERING

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CE1255  –  HIGHWAY ENGINEERING
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UNIT I           HIGHWAY PLANNING AND ALIGNMENT                   9
History  of  road  construction  –    Highway  development  in  India  –  Jayakar  committee
Recomendations and realisations – Twenty year road development plans – Concepts of
on-going highways development programmes at national level – Institutions for highway
development at national level – India road congress – Highway research board, national
highway  authority  of  India  –  Ministry  of  Road  Transport  and  Highway  (MORTH) 
Central  road  research  institute  –  Requirements  of  ideal  alignment  –  Factors  controlling
highway  alignment  engineering  surveys  for  alignment    –    Conventional  methods  and
modern methods (Remote sensing, GIS and GPS techniques) – Classification and cross
section  of  urban  and  rural    roads  –  Highway  cross  sectional  elements  –  Right  of  way,
carriage way, camber, kerbs,  shoulders and footpaths (IRC Standards) – Cross sections
of different class of roads – Principles of highway financing.

UNIT II          GEOMETRIC DESIGN OF HIGHWAYS                                    9
Design  of  horizontal  alignment  –  Horizontal  curves  super  elevation  –  Widening  of
pavements  on  horizontal  curves  and  transition  curves  design  of  vertical  alignments  –
Rolling, limiting, exceptional and minimum gradients, summit and valley curves – Sight
distances – Factors affecting sight distances – PIEV theory, stopping sight distance (SSD)
– Overtaking sight distance – Sight distance at intersections – Intermediate sight distance
and illumination sight distance [Derivations and problems in SSD and OSD] – Geometric
design of hill roads [IRC Standards Only].

UNIT III        FLEXIBLE AND RIGID PAVEMENTS                                      9
Rigid and flexible pavements – Components and their functions – Design principles of
flexible  and  rigid  pavements  –  Factors  affecting  the  design  of  pavements  –  ESWL,
climate,  sub-grade  soil  and  traffic  –  Design  practice  for  flexible  pavements  (CBR
method,  IRC  Method  and  Recommendations  –  Problems)  –  Design  practice  for  rigid
pavements – IRC Recommendations (concept only).

UNIT IV        HIGHWAY MATERIALS AND CONSTRUCTION PRACTICE      9          
Desirable properties and testing of highway materials– Soil – California bearing ratio test
–  Field  density  test  –  Aggregate,  crushing,  abrasion,  impact  tests,  water  absorption  –
Flakiness and elongation indices and stone polishing value test – Bitumen – Penetration,
ductolity,  viscosity,  binder  content  and  softening  point  tests  –  Construction  practice  –
water  bound  macadam  road  –  Bituminous  road  and  cement  concrete  road  (As  per  IRC
and MORTH specification) – Highway drainage (IRC Recommendations).

UNIT V          HIGHWAY MAINTENANCE                         9
Types  of  defects  in  Flexible  pavements  –  Surface  defects  –  Cracks,  deformation,
disintegration – Symptoms – Causes and treatments  – Types of pavement – Failures in
rigid  pavements  –  Scaling,  shrinkage,  warping,  structural  cracks  spalling  of  joints  and
mud  pumping  –  Special  repairs  –  Pavement  evaluation  –  Pavement  surface  conditions
and structural evaluation – Evaluation of pavement Failure and strengthening –  Overlay
design by Benkelman Beam method (Procedure only). 
Total: 45 

TEXT BOOKS
1.         Khanna, K. and Justo, C.E.G., “Highway Engineering”, Khanna Publishers, 2001.
2.         Kadiyali,   L.R.,“Principles   and   Practice   of   Highway   Engineering”,   Khanna
Technical Publications, 2000.
                                                        
REFERENCES
1.         Papacostas,   C.S.   and   Prevedouros   P.D.,   “Transportation   Engineering   and
Planning”, Prentice Hall of India, 2006.
2.         IRC Standards (IRC 37 –  2001 and IRC 58  – 1998).
3.         Bureau of Indian Standards (BIS) Publications on Highway Materials.
4.         Specifications for Road and Bridges, MORTH (India).
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