Feasibility of Rigid Pavement on Mehli Shoghi Road design and analysis

Abstract

A proper design and analysis of a rigid pavement on a stretch Mehli-Shoghi road using DPR(detailed project report) provided by NHAI(National Highways Authority of India) were done. Initially, to understand the condition of Mehli-Shoghi road, the site visit was undertaken.We did traffic survey for 24x7 to understand the traffic behavior at Mehli- Shoghi road. We also collected the sample and did light weight compaction proctor test to determine the optimum moisture content present in the soil, so as to do the CBR test at this moisture content. Then we did CBR test to determine the value of modulus of subgrade with the help of table given in IRC 58.By using simple techniques given in IRC 58 (The design of plain jointed rigid pavements for highways), the percentage of axle load, cumulative repetition, expected repetition and the depth of rigid pavement is determined and then this thickness of rigid pavement for combined action of temperature stresses and wheel load is checked. After that the spacing of expansion and contraction joints,design of dowel bar and tie bar is designed. Finally cost estimation of the two pavements was compared and results drawn.