PAVEMENT SHOULDER INTERACTION ON NH-59A (KM 61-KM 136): A CASE STUDY

Abstract

In present case study done for NH-59A Indore – Ahemadabad National Highway, INDIA. The length of section taken 75 Km (Km 61to Km 136) between Dhar to Jhabua. Detailed surveys have been carried out. Road Inventory survey includes general details and condition of pavement & shoulder for some selected chainage. There are four categories of condition of pavement & shoulder viz.1) Pavement-Poor, Shoulder- Poor 2) Pavement- Good, Shoulder-Poor 3) Pavement-Fair, Shoulder-Good 4) Pavement-Good, Shoulder-Good. In section condition data for pavement cracking area, patch (%), no. of potholes per Km, depth of potholes (m), reveled area (%) and settled area (%) have been measured. Laboratory testing has been done for soil sample of selected chainage and check properties of soil like OMC, MDD, LL, PL, CBR  and % of Gravel, Sand, Silt & clay for shoulder material, selected soil & subgrade soil.