An example of a flexible pavement is an asphalt road. Asphalt, also known as bitumen, is used as the primary material in constructing flexible pavements.

The primary material used in flexible pavements is asphalt, also known as bitumen. Asphalt is a sticky, black, and viscous petroleum-based substance. It is mixed with aggregates such as crushed stone, sand, or gravel to create the asphalt concrete used in flexible pavements.

.The thickness of the surface layer is around 25 to 50 mm, the thickness of Binder course is upton 100mm and the Base course thickness is between 100 mm to 300 mm.

Bitumen is used in flexible pavement as a binding agent, providing strength and stability to the pavement structure. It also acts as a waterproofing material, preventing water infiltration and protecting the underlying layers.

The most common joint used in flexible pavements is the longitudinal joint. Longitudinal joints are created when two adjacent asphalt lanes are laid side by side. These joints allow for the expansion and contraction of the pavement due to temperature changes.

Cracking in flexible pavement refers to the development of visible fissures or breaks in the asphalt surface layer. These cracks can vary in size and shape, ranging from hairline cracks to larger fissures that extend across the pavement surface.