Highway Research Record

II. PAVEMENT ENGINEERING AND PAVING MATERIALS
1. SOIL STABILISATION, LOW GRADE MATERIALS AND LOW VOLUME ROADS
ON GOING PROJECTS
Use of Ash Generated from Surat Lignite Power Plant for Different Types of Clayey Soil for Construction of Roads

Date of Start: May 2003
Gujarat Engineering Research Institute, Vadodara (R)

Present Status and Progress

Laboratory work with CI and CL type of soil mixed with different proportions of lime and ash is completed and with CH type of soil is in progress.

Findings/ Conclusions
Looking at the results of mixes of ash and lime with different types of clayey soils it was found that density decreases with addition of lime and ash but the CBR value increases up to a certain extent which plays an important role in crust design of road. The crust of the road depends upon the CBR value and hence finally it affects the cost of the road construction.