CE1255 Highway Engineering Syllabus

CE1255 HIGHWAY ENGINEERING 3 0 0 100


OBJECTIVE
The objective of the course is to educate the students on the various components of Highway Engineering. It exposes the students to highway planning, engineering surveys for highway alignment, Design of Geometric Elements of Highways and Urban roads, Rigid and Flexible pavements design. The students further learn the desirable properties of highway materials and various practices adopted for construction. This course enables the students to develop skill on evaluation of the pavements and to decide appropriate types of maintenance.

1. HIGHWAY PLANNING AND ALIGNMENT 9
Tresaguet and Macadam’s method of Road Construction, Highway Development in India - Jayakar Committee Recommendations and Realisations, Twenty-
year Road Development Plans, Concepts of On-going Highway Development Programmes at National Level,
Institutions for Highway Development at National level - Indian Roads Congress, Highway Research Board, National Highway Authority of India, Ministry of Road Transport and Highways (MORTH) and 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 (IRC),
Highway Cross Sectional Elements – Right of Way, Carriage Way, Camber, Kerbs, Shoulders and Footpaths [IRC Standards], Cross sections of different Class of Roads.

2. GEOMETRIC DESIGN OF HIGHWAYS 9
Design of Horizontal Alignments – Superelevation, Widening of Pavements on Horizontal Curves and Transition Curves [Derivation of Formulae and Problems]
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 (OSD), 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]

3. DESIGN OF RIGID AND FLEXIBLE 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-Problems] – Joints

4. HIGHWAY MATERIALS AND CONSTRUCTION PRACTICE 9
Desirable Properties and Testing of Highway Materials: - (Tests have to be demonstrated in Highway Engineering Laboratory)
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, Ductility, Viscosity, Binder content and Softening point Tests.
Construction Practice - Water Bound Macadam Road, Bituminous Road and Cement Concrete Road [as per IRC and MORTH specifications]
Highway Drainage [IRC Recommendations]

5. 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 – and Special Repairs.
Pavement Evaluation – Pavement Surface Conditions and Structural Evaluation, Evaluation of pavement Failure and strengthening -
Overlay design by Benkelman Beam Method [Procedure only], Principles of Highway Financing

TOTAL : 45


TEXT BOOKS
1. Khanna K and Justo C E G, Highway Engineering, Khanna Publishers, Roorkee, 2001.
2. Kadiyali L R, Principles and Practice of Highway Engineering, Khanna Technical Publications, Delhi, 2000.

REFERENCES
1. IRC Standards (IRC 37 - 2001 & IRC 58 -1998)
2. Bureau of Indian Standards (BIS) Publications on Highway Materials
3. Specifications for Road and Bridges, MORTH (India)
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