DoR Flexible Pavement Design Guidelines - Download
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  • Last Updated July 27, 2023

2021-Guidelines-for-the-design-of-Flexible-Pavement-2021

DoR Guidelines for the Design of Flexible Pavement in 2014 were taken from the ORN-31, IRC-37-2001, and AASHTO which were relevant in the context of Nepal. With the changes in vehicular technology, loading pattern, and intensity of freight traffic, the Guidelines require the revision of the method of design and fundamental issues. Therefore, DoR has taken initiation for the revision of this document with the considerations of recent research outcomes, trends in the construction as well as vehicular technology.
This manual is prepared with the view to have a unified approach for working out the design of flexible pavement in Nepal. The objective of this manual is to guide or assist the highway engineer with sufficient information on pavement design so that one could propose a suitable pavement structure for any specific cases of sub-grade soil, traffic scenario, and materials available on the site. Furthermore, these guidelines include the design of surface dressing and the design of flexible pavements for low-volume roads. Worked-out examples with the step-wise procedure of design have been included in the guidelines.