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SYLLABUS
UNIT-I
FACTORS AFFECTING PAVEMENT DESIGN: Variables Considered in Pavement Design, Types of Pavements, Functions of Individual Layers, Classification of Axle Types of Rigid Chassis and Articulated Commercial Vehicles, Legal Axle and Gross Weights on Single and Multiple Units, Tyre Pressure, Contact Pressure, EAL and ESWL Concepts, Traffic Analysis: ADT, AADT, Truck Factor, Growth Factor, lane, Directional Distributions & Vehicle Damage Factors, Effect of Transient & Moving Loads.
UNIT-II
STRESSES IN PAVEMENTS : Vehicle-Pavement Interaction: Transient, Random & Damping Vibrations, Steady State of Vibration, Experiments on Vibration, Stress Inducing Factors in Flexible and Rigid pavements. Stresses in Flexible Pavements: Visco-Elastic Theory and Assumptions, Layered Systems Concepts, Stress Solutions for One, Two and Three Layered Systems, Fundamental Design Concepts. Stresses in Rigid Pavements: Westergaard’s Theory and Assumptions, Stresses due to Curling, Stresses and Deflections due to Loading, Frictional Stresses, Stresses in Dowel Bars & Tie Bars
UNIT-III
MATERIAL CHARACTERISTICS : CBR and Modulus of Subgrade Reaction of Soil, Mineral aggregates _ Blending of aggregates, binders, polymer and rubber modified bitumen, Resilient, Diametral Resilient and Complex (Dynamic) Moduli of Bituminous Mixes, Permanent Deformation Parameters and other Properties, Effects and Methods of Stabilization and Use of Geo Synthetics.
UNIT-IV
DESIGN OF FLEXIBLE PAVEMENTS: Flexible Pavement Design Concepts, Asphalt Institute’s Methods with HMA and other Base Combinations, AASHTO, IRC Methods DESIGN OF RIGID PAVEMENTS Calibrated Mechanistic Design Process, PCA, AASHTO & IRC Specifications, and Introduction to Prestressed and Continuously Reinforce Cement Concrete Pavement Design.
UNIT-V
DESIGN OF PAVEMENT FOR LOW VOLUME ROADS: Pavement design for low volume roads, rural road designs – code of practice. Design of Overlays: Types of Overlays, Suitability, Design of overlays.
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CategoriesEngineering
Format EPUB
TypeeBook