Corrugation and shoving are two defects that usually occur in flexible pavements. Weak sub-grade conditions, improper rolling, poor mixing, temperature effect of bitumen, and weak bottom layers are different causes of corrugation and shoving in flexible pavements. What is Corrugation? ...
Flexible Pavement
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Flexible Pavement Composition and Structure

The composition and structure of flexible pavement consists of surface course, binder course, base course, subbase course, frost protection course, subgrade. Flexible pavements contain bitumen or asphalt layer as wearing course and supports loads through bearing. They have low flexural strength. ...
Types of Failures in Flexible Pavements and their Causes and Repair Techniques

Failures in flexible pavements can be due to failure of its component layers which undergo distress due to various causes. Types of failures in flexible pavements and repair techniques are discussed.
Flexible Pavement Design by California Bearing Ratio (CBR) Method

Flexible pavement design by CBR method is used to determine the total thickness of pavement. Pavement design by CBR method recommended by California State of Highways and IRC are explained.