HIGHWAY

What Is Dowel Bar? Dowel bar is short round, smooth steel bar used to provide a mechanical connection between slab without restricting horizontal joint movement. These bars are mainly used in jointed ...

The different types of failures in flexible pavements are described below: 1. Subgrade failure. 2. Base failure or base course failure. 3. Surface failure or wearing course failure. 1. Subgrade Failure: Excessive deformation in subgrade soil of a flexible failure is called subgrade ...

[caption id="attachment_3338" align="aligncenter" width="500"] Cement Concrete Road[/caption] Cement Concrete Roads: The roads having their wearing surface consisting of cement concrete (plane or reinforced) are known as cement concrete roads or concrete roads. These roads are ...

Types Of Curves On Hill Roads: The types of curves provided on hill roads are as following: 1 Hair-pin curves, 2 salient curves, 3 Re-entrant curves. 1. Hair-pin Curves: 'The curve in a hill road which changes its direction through an angle of 180 ...

Components Of Road Pavement Structure: Following are the different components of road structure: 1. Subgrade 2. Sub-base 3. Base course 4. Surface course or wearing course All these components belong to a typical flexible pavement, whereas rigid pavement usually consists of subgrade, subbase and ...

Superelevation Of Road: The inward transverse inclination provided to the cross-section of the carriageway at horizontally curved portion of a road is called superelevation, cant or banking. Superelevation is provided to counteract the effect ...

Flexible Pavements: The pavements having low or negligible flexural strength and are flexible in their structural action under the loads are known as flexible pavements. Rigid Pavements: Rigid pavements are those which contain great amount of flexural strength or flexural ...

What Is Camber? Camber is the slope provided to the road surface in the transverse direction to drain off the rainwater from the road surface. It is also known as cross slope ...

What Is Bitumen And Its Uses: Bitumen is the binding material present in asphalt. Sometimes it is also known as mineral tar. Bitumen is produced by partial distillation of crude petroleum. it is ...