Title Transportation Engineering_II--New Notes Prepared by Arjun Chy -[ www.arjun00.com.np ].pdf ✅

Prepared by Arjun Chy 3 www.arjun00.com.np  Types of Pavements :- a) Flexible Pavements :- The pavement which have negligible flexural strength in their structural action under the load is known as flexible pavement. The lower layer of flexible pavements reflects the deformations up to the surface of the layer. So if there is undulation in sub-grade soil, flexible pavements also get undulated. b) Rigid Pavements:- The pavement which have worthly flexural strength are known as rigid pavement. The rigid pavement are made of plain reinforced or pre-stressed concrete. Rigid pavement structure consists of a cement concrete slab, below which granular sub- base or base course over the sub-grade soil. Wearing or Surface course Base course Road- base course Sub-base course Sub-grade course Fig:- British Practice