Flexible pavement design methods. design criteria and design concepts. In these methods, for each of the selected structural distresses, a critical mechanistic parameter is identified and controlled to an acceptable (limiting) value in the des WK1 Airfield Pavement Concepts Design Reference 1 - Free download as PDF File (. This design manual addresses methods to properly develop a pavement rehabilitation project . This study examined the This report reviews design practice and information on flexible pavement performance, and develops an improved design method for heavily trafficked, flexible pavement. Some of them are either based on physical properties or strength parameters of soil subgrade. The AASHTO pavement thickness calculator determines the required structural thickness of flexible and rigid pavements based on the American Association of State Highway and Transportation Officials (AASHTO) design methodology. PURPOSE The objective of this manual is to provide a Pavement Design Engineer with sufficient information so that the necessary input data can be developed and proper engineering principles applied to design a new flexible pavement, or develop a properly engineered pavement rehabilitation project. This design manual addresses methods to properly develop a pavement rehabilitation project The mechanistic component of mechanistic-empirical methods quantifies the pavement’s response to trafic and environmental conditions (e. procedure. 1 PURPOSE The objective of this manual is to provide a Pavement Design Engineer with sufficient information so that the necessary input data can be developed and proper engineering principles applied to design a new flexible pavement, or develop a properly engineered pavement rehabilitation project.