Analysis Of Mechanical Properties Of Cellular Lightweight Concrete Containing Bagasse Ash

The cellular lightweight concrete (CLC) or sometimes might often called that foamedrnconcrete is either a cement paste or mortar, classified as lightweight concrete, in whichrnair voids are entrapped in mortar by suitable foaming agent. This research study variousrnmechanical properties of compressive strength, dry density and water absorption ofrncellular lightweight concrete (CLC), which made from ordinary portland cement, sand ,rnbagasse ash and foaming agent admixture. Bagasse ash use to replace cement in differentrnproportions from 5 to 30 percent by volume of cement. Optimum replacement percentagernis determined using cement-sand mortar then applies in CLC. Optimum bagasse ashrnpresent is a percentage which gives same or higher performance compare with CLCrnwithout bagasse ash. Different mix of CLC with constant water to binder ratio of 0.5,rn1.5% foaming admixture and target density of 1600 kg/m3 were tested. 10% replacementrnof cement with bagasse ash slightly increases compressive strength and dry density, whilern15% replacement of cement gives almost same strength with the control mix. The studyrnresult shows that replacing cement with bagasse ash up to 15% improves mechanicalrnproperties of CLC such as compressive strength, dry density, water absorption and plasticrnshrinkage.rnKey Words: Cellular Lightweight Concrete, Bagasse Ash, Foaming Agent Admixture,rnMechanical Properties

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