Experimental Investigation of Lightweight Wall Panel Using Cenosphere Incorporated with Ground Granulated Blast Furnace Slag

Raguraman V,Deepasree S

doi:10.34256/10.34256/ijceae2114

Abstract

The secondary form of waste is the major outcome of the various industries. Likewise, Cenosphere and Ground Granulateds Blast Furnace Slag (GGBS) are the waste material obtained from thermal power plants and the steel industry. This waste requires a large land area for disposal. In such cases, these can be used in the construction field. This paper investigated the lightweight wall panel made with cenosphere and GGBS as a replacement for cementitious material. Cenosphere was replaced at 5%, 10%, 15%, 20%, 25% and 30% respectively by weight of cement and GGBS was at 15% constant replacement of cement. The properties of wall panels such as compressive strength, flexural strength, and water absorption have been studied. The flexural behavior was carried out by inhibition of fiber into the matrix. The samples were tested at 7, 14, and 28 days respectively. The SEM analysis of the cenosphere has been carried out. The results infer an increase in the percentage of cenosphere does not impart strength to the mix. Therefore, 15% of constant replacement of GGBS to the mass of cement stabilize the strength which was lost due to the addition of the cenosphere. On an overall view, it was recommended that the strength loss of mixture due to the addition of the cenosphere can be alleviated by GGBS and nevertheless a secure value of strength can be gained.

Highlights

Lightweight structures have made considerable attention in society as well as from researchers
Fly-ash cenosphere as a lightweight material in the construction field reduces the disposal of the waste and enhances the hardened properties due to its similar range of chemical composition [12,13] used Polyethylene terephthalate (PET) as a lightweight aggregate which results in reduced volumetric weight but hardened properties resemble the normal concrete
The outcome of this study reduces the consumption of cementitious material thereby contribution of CO2 emission can be reduced

Summary

Introduction

Lightweight structures have made considerable attention in society as well as from researchers. Expanded perlite is utilized as a filler material in creating a lightweight concrete with a compressive and flexural strength values in a range of 2.8-11.98 N/mm2 and 0.7-3.5 N/mm2 [6]. When GGBS was added up to 40% of replacement to cement, there is slight decrease in compressive strength with time. The reaction of the cenosphere in a cementitious material composite is the reason for enhancing the greater strength with reduced unit weight.

Results

Conclusion