3.1 Aggregates in Road Construction
This section provides an in-depth understanding of aggregates used in road construction. It covers the types of aggregates, their properties, and how they are sourced and processed. Topics include aggregate gradation, particle shape, and the importance of proper compaction.
3.2 Asphalt in Road Construction
This chapter focuses on asphalt, a commonly used material in road construction. It covers the composition of asphalt, the different types of asphalt mixtures, and the process of asphalt paving. Topics include asphalt binder, aggregate gradation, and the importance of proper asphalt compaction.
3.3 Concrete in Road Construction
This section explores the use of concrete in road construction. It covers the properties of concrete, the different types of concrete mixtures, and the process of concrete pavement construction. Topics include concrete ingredients, mix design, and curing techniques for durable concrete roads.
3.4 Pavement Layers in Road Construction
This chapter discusses the various layers that make up a road pavement. It covers the functions and characteristics of each layer, including the subgrade, base course, and wearing course. Topics include pavement design, layer thickness, and the importance of proper drainage in road construction.