Fly ash and bottom ash are the waste materials obtained in enormous quantities from the coal based thermal power plants making their usage and disposal very difficult. There is a scope of utilizing these waste materials in raising ash dykes. This book presents the results of investigation carried out to assess the suitability of fly ash/bottom ash mixed with local soil for raising ash dyke. Samples of fly ash, bottom ash and soil were obtained from the power plant site and a series of laboratory investigations were carried out on mixture of fly ash, bottom ash and local soil in order to find...