Fly ash is waste generated from combustion of coal in power generation plant. Due to its pozzolanic properties utilized in construction industry. In this paper Fal-G brick masonry prism test study and economy have been described. The observations, limitation and suggestion in various areas have been described. The preliminary and investable interest in the use of partial replacements or by – products as complementary pozzolanic materials was mostly induced by enforcement of air pollution control resulted from cement production industry. Rise husk is by – product taken from the rice mill process with approximately the ratio of 200 kg per one ton of rice, even in high temperature it reduces to 40 kg, This research addresses the suitability of sugarcane ash in concrete used as partial cement replacement. Two grades of concrete M15 and M20 were used for used for the experimental analysis.
                                
                                
                                    
                                    Cement, Fly ash, Rice husk ash, Sugarcane straw ash, strength
                                
                                
                                
                                
                                    
                                        
                                        
                                        
                                        
                                            
                                                
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