초록

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Abstract ▼ AI-Helper

Glass is often recycled. In order to recycle, glass is crushed and ground. During this process, glass powder is generated. Most of this scrap glass powder is disposed in landfills. The glass powder, consisting of 73% SiO$_2$ and 16% Al$_2$O$_3$, is richer in componen...

Glass is often recycled. In order to recycle, glass is crushed and ground. During this process, glass powder is generated. Most of this scrap glass powder is disposed in landfills. The glass powder, consisting of 73% SiO$_2$ and 16% Al$_2$O$_3$, is richer in components necessary for polymerization than fly ash. In this study, the fluidity and compressive strength of cement zero mortar were investigated, where cement zero mortar was prepared by mixing 5$\sim$15% of glass powder with 100% fly ash mortar. Result of flow test concluded that workability was not affected by adding the powder. After aging for 28 days, the compressive strength increased by approximately 6% with 5% addition of scrap glass powder. With 10% addition, the strength remained the same. In case of 15% addition, the compressive strength decreased by approximately 6%. To summarize the results, 5$\sim$10% addition of scrap glass powder is considered to be most appropriate.