Unit 1 Introduction

1 lecture hours

• Definition of pavement
• types of pavements based on their structural and functional characteristics
• comparison of flexible and rigid pavements
• functions of the various layers of flexible and rigid pavements

Unit 2 Pavement Materials and Characterization

6 lecture hours

• Soil: Characterization for earthwork and subgrade
• effective CBR, concept of resilient modulus of subgrade
• classification of soils
• problems related to soil
• Aggregate: Granular sub-base and base layers
• road aggregates used for WBM and WMM, aggregates used in bituminous layers and their characteristics
• gradation (Fuller’s equation)
• physical property requirements for rural roads and high-volume roads
• concept of resilient modulus of sub-base and base courses as per IRC 37, use of locally available materials and quality control criteria
• Use of alternative/waste materials – Fly ash, Blast Furnace Slag, and recycled aggregates
• Bituminous material: Bitumen
• modified bitumen
• bituminous mixes— volumetrics
• concept of resilient modulus as per IRC 37, quality control and quality assurance plan for highways

Unit 3 Design of Highway Pavement

20 lecture hours

• Flexible Pavement: Factors affecting pavement design
• EWLF, and VDF, stress analysis—Boussinesq’s theory and Burmister’s two- and three-layer theories
• flexible pavement design based on performance criteria
• including subgrade rutting and fatigue cracking in bituminous layers
• Pavement design using IITPAVE software for granular base and granular subbase
• cementitious base
• cementitious subbase
• Overview of pavement design for low-volume roads using locally available materials as per IRC SP-72
• drainage considerations in pavement design
• Rigid Pavement: Design factors
• Westergaard’s stress analysis including load stress and temperature stress
• design based on the fatigue behaviour of concrete
• IRC 58 design method—fatigue concept (using IIT RIGID)
• design of joints
• Friberg’s analysis for dowel bar design
• design of the tie bars
• overview of pavement design for low-volume roads as per IRC SP-62

Unit 4 Construction of Pavement

• Flexible pavement: Soil stabilization
• construction procedures for embankment
• sub-base (granular sub-base)
• drainage layer, and filter/separation layer
• base courses—WBM, WMM, lime-stabilized, and cement-stabilized (granular layers)
• 10 Program Name: Bachelor of Engineering Level: UG Branch: Civil Engineering Subject Code: BE05006061 Subject Name: Pavement Design and Construction bituminous mixes—binder course and wearing course
• including their selection
• compaction, and density requirements
• selection of different bituminous mix treatments based on functional and structural requirements
• construction procedures as per MoRTH specifications
• Rigid pavement: Earthwork
• granular sub-base
• drainage layer
• dry lean concrete as per IRC 49, pavement quality concrete construction requirements as per IRC 15, IRC 58, and MoRTH
• importance of joints and their provision
• interlocking concrete block pavement (ICBP)—procedure for laying
• block patterns, and strength requirements as per IRC SP 63

Unit 5 Maintenance of pavement

8 lecture hours

• Flexible pavement: Failures of flexible and rigid pavements
• IRC 82, need for maintenance—types
• planning, and system approach
• types of defects
• including symptoms
• severity levels, and treatment
• preventive and periodic renewals
• including their warrants and treatments
• Rigid pavement: Maintenance and its methodology as per IRC SP 83, types of overlays
• design of overlays
• Introduction to New Technology: Recycled aggregate pavement as per IRC:120 (RAP)
• Cold In-Place (CIP)
• Hot In-Place (HIP)
• Plant mix technology
• Methodology of construction
• Cold mix technology as per IRC SP:100
• White topping – Conventional
• Ultra-thin white topping as per IRC SP-76
• Stone Matrix Asphalt as per IRC SP-79
• Warm mix asphalt as per IRC SP 101, Micro surfacing
• Slurry seal as per IRC SP-81