The Use of Glass Powder Waste as a Partial Substitute for Cement on the Compressive Strength of Concrete

Abstract

Excessive use of cement can cause damage to the environment. Using materials that have similar properties to cement as a concrete mixture can reduce the use of cement. Because the silica content in glass is quite large, glass has the potential to be used as a partial substitute for cement in concrete. This study aims to determine the effect of glass powder used as a partial cement substitute on the compressive strength of normal concrete. This study uses cylindrical specimens with 15 cm in diameter and 30 cm in height according to SNI 03-2834-2002. They were tested at seventh, fourteenth, and twenty-eighth day. The variations of the glass powder are 0%, 4%, 8%, 12%, and 16%. Based on the results of the testing at the twenty eighth days, the concrete's compressive strength at 0% variation is 22.8 MPa, at 4% variation is 24.0 MPa, at 8% variation is 17.5 MPa, at 12% variation is 17.6 MPa, and at 16% variation is 7.9 MPa. Thus, using glass powder as a partial substitute for cement in concrete mixtures affects the compressive strength of normal concrete. At the twenty-eighth day, the compressive strength of the concrete has increased by 5% to 24.0 MPa.

Investigation on sustainably developed concrete by valorizing granite waste as replacement of fine aggregates

“…Enhancement in the strength property of the modi ed concrete may have the reason as the granite powder was ner than sand, the voids reduced, as a result, density of concrete increased which contributes to increase in concrete's tensile strength. Similar kind of results were also observed by Ghannam et al [44], kumar et al [52], Felixkala et al [53]. Further replacement after 40% replacement of granite slurry in place of sand has shown reduction in split tensile strength of the concrete as compared to nominal mix.…”