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An Experimental Study on Light Weight Concrete by Partial Replacement of Coarse Aggregate by Pumice Stone and Cement by GGBS


M Praveen Kumar , Siddartha Educational Academy Group of Institutions Integrated Campus,Tirupati(R),JNTUA, A.P,517505; K. Rajasekhar, Siddartha Educational Academy Group of Institutions Integrated Campus,Tirupati(R),JNTUA, A.P,517505


Light weight concrete, Pumice Stone, Ground granulated Blast Furnace Slag, Compressive strength, Tensile strength, Flexural Strength, Density


Today’s construction industry, use of concrete is going on increasing rapidly. Cement is major constituent material of the concrete which produced by natural raw material like lime and silica. Once situation may occurs there will be no lime on earth for production of .This situation leads to think all people working in construction industry to do research work on cement replacing material and use of it. Industrial wastes like Ground Granulated Blast Furnace Slag (GGBS) show chemical properties similar to cement. Use of GGBS as cement replacement will simultaneously reduces cost of concrete and help to reduce rate of cement consumption. And also In this study, an attempt has been made to study the Mechanical Properties of a structural grade light weight concrete using the light weight aggregate pumice stone as a partial replacement to coarse aggregate. The conventional mix has been designed for M30 grade concrete. Coarse aggregate replaced with Pumice aggregate in volume Percentages of 25% and 35% further Cement replaced with the Ggbs in weight percentages of 5%,10%,15%, 20%, 25%, 30% for study in the present investigation. The properties like Compressive strength, Split tensile strength, Flexural strength of above combinations were studied and compared with conventional design mix concrete. It is observed that there is retardation in Compressive strength, Split tensile strength, Flexural strength for the light weight aggregate replaced concrete when compared to the concrete made with normal aggregate. For these light weight aggregate concrete mixes when ‘cement’ was replaced by ‘GGBS’ it is noticed that there is a marginal improvement in the properties studied. For 25% and 35% replaced light weight aggregate when cement was replaced by 5%,10%,15%, 20%, 25%, 30%.

Other Details

Paper ID: IJSRDV4I90461
Published in: Volume : 4, Issue : 9
Publication Date: 01/12/2016
Page(s): 634-640

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