Title : DURABILITY PERFORMANCE OF SUGARCANE BAGASSE ASH AND RICE HUSK ASH BLENDED CEMENTS
Authors : Yamuna V, Bahurudeen A, Santhanam M
Publication : 8 - 10, October 2015
Volume : 2
Pages :
Price : 250
Abstract : A number of earlier research studies have reported that the use of sugarcane bagasse ash and rice husk ash as supplementary cementitious material in concrete can enhance its properties compared to control concrete with ordinary Portland cement. A detailed evaluation of durability performance of sugarcane bagasse ash and rice husk ash is not available in the existing literature. It is essential to evaluate the performance in concrete to achieve maximum utilization of such materials instead of disposal as a waste material. In all earlier research studies, raw bagasse ash was ground to cement fineness and directly used in the concrete without suitable characterization. Development of sugarcane bagasse ash and rice husk ash based Portland pozzolana cements and their influence on the durability performance of concrete are discussed in this paper. Durability performance of concrete containing SCBA and RHA (20% and 10% replacement respectively) was evaluated and compared with control concrete. Resistance of blended concrete against chloride, water and oxygen ingress after 28 and 56 days of curing was assessed using three different standard methods (Rapid chloride penetration test, Water permeability test and Torrent air permeability test) in the study. Significant reduction in permeability was observed for SCBA as well as RHA blended cement concrete compared to control concrete.