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Bottom ash and fly ash are the principal residual products generated by the combustion of coal in thermal power stations. Coal ash possesses low unit weight, higher shear strength, and lower compressibility upon loading. Coal ash materials have many geotechnical applications, like filling of the low-lying areas and embankment material for highway c...
Citations
... Based on the study they concluded that combined use fly ash and GGBS can be advantageous when compared to using them individually [21]. ...
Stabilization of soil to attain required engineering properties can be done either by mechanical or chemical stabilization. Most of these methods are relatively expensive to implement in practice and the best way is the usage of locally available materials. The present paper reports the stabilization of black cotton soil and loam soil with varying percentages of Reclaimed Asphalt Pavement (RAP) and waste crushed Glass (WCG). Various properties such as maximum dry density, optimum moisture content, and California Bearing Ratio (CBR) are analysed and the results are compared with red soil. Investigations are performed using percentages of Reclaimed Asphalt Pavement (RAP) at 30%, 50%, 55%, 60%, 65% and Waste Crushed Glass (WCG) at 5%. The results showed that there was an appreciable increase in strength and CBR values by the addition of RAP and WCG. The paper proved the effectiveness of proposed method for construction of pavements in village roads with reduced thickness.
Stabilization is a broad sense for the various methods employed and modifying the properties of a soil to improve its engineering performance and used for a variety of engineering works. These studies briefly describe the suitability of the local Fly ash and ground granulated blast furnace slag (GGBS) for soil stabilization improves its engineering property. The present investigation deals with the behavioral aspect of soil when mixed with Fly ash and GGBS. The outcome of this investigation intends to minimize the cost of conventional materials such as cement, lime, etc. Used in stabilizing of soil becoming expensive. The varying percentage of Fly ash and GGBS were with mixed with soil sample to conduct the soil test. On addition of 15% of fly ash and 10% of GGBS the soil changes from CH group to ML group increase of shear strength of soil (according to IS 1498-1970). The shear strength of soil sample decreases on addition of 20% of Fly ash and 5% of GGBS.
