Importance of Transportation. Different modes of transportation, characteristics and comparison of different modes. Jayakar committee recommendations and implementation.
Road Types and classification, road patterns. Planning surveys, Master plan - saturation system of road planning, phasing road development programme Road Development in India, 1st, 2nd & 3rd 20-year road development plan and problems only on 3rd 20-year road plan. Present scenario of road development in India (NHDP & PMGSY) and in Karnataka (KSHIP & KRDCL) – problems on best alignment among alternate proposals and phasing, Road Development Plan Vision 2021.
Highway Alignment and Surveys: Ideal alignment, factors affecting alignment, engineering surveys for new and realignment projects. 4 Hours Highway Geometric Design 1: Importance, Factors controlling the design of geometric elements, highway cross section elements – pavement surface characteristics, camber, width of carriageway, shoulder width, formation width, right of way, typical cross section of roads. 4 Hours
Sight distance, Types and importance - Design of horizontal and vertical alignment – Numerical problems on above (No derivation of formulae).
Properties and requirements of subgrade soils, HRB and IS soil classification. Determination of CBR and Modulus of subgrade reaction of soil. Properties and requirements of road aggregates, Bitumen – Tar – Emulsion – Cutback, Just mention the types of tests on aggregates, bitumen and cut back for evaluating the required properties. Numerical problems on above.
Types of pavements – Design factors, Determination of ESWL by equal stress criteria and problems. IRC method of flexible pavement design based on CSA method using IRC: 37 – 2001. Stresses in rigid pavement and design of rigid pavement as per IRC: 58 –2002 excluding design of joints.
Pavement Construction: Specifications, construction steps and quality control tests for earthwork in cutting, filling and preparation of subgrade, Granular sub base course, Granular base / sub-base courses such as WBM, WMM, CRM, bituminous binder course (BM and DBM), common types of bituminous surfacing courses such as surface dressing, premixed carpet (PMC) and bituminous concrete and Rigid pavement (DLC and PQC). 5 Hours Highway Drainage System: Surface and Sub-subsurface drainage system for road pavements, types, functions and basic design principles. 4 Hours
Highway Economics and Financing: Highway user benefits – VOC using charts only – Highway costs – Economic analysis by annual cost method and benefit cost ratio method, NPV and IRR methods. Numerical problems on above. Highway financing – BOT, BOOT and Annuity concepts. 5 Hours Pavement Maintenance: Pavement failures, Types, Causes and remedies. Maintenance of highways. Principles of pavement evaluation – functional and structural evaluation. 4 Hours