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Erschienen in:
2021 | OriginalPaper | Buchkapitel
Compressive and Flexural Strengths of Mortar with Silica Aerogel Powder
verfasst von : Lee Thin Tay, Yee Yong Lee, Yeong Huei Lee, Ahmad Beng Hong Kueh
Erschienen in: ICCOEE2020
Verlag: Springer Singapore
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Abstract
Excessive usage of sand in construction industries has generated many environmental issues. Silica aerogel, is able to minimise environmental issues while providing thermal resistance for building materials. Silica aerogel has properties such as lightweight, nano-porous and very low thermal conductivity compared to sand in the mortar matrix. This paper studied the compression and flexural strengths of mortar with silica aerogel as a sand replacement. Cement to sand ratio of 1:3 was used and sand was replaced with silica aerogel in the volumes of 15%, 20% and 25%. 15% volume of sand replacement with silica aerogel powder was the optimum ratio as it possessed the highest strength during experimental work. All the specimens were able to achieve the minimum strength for Type N non load bearing wall with the optimum ratio of 15% volume silica aerogel powder. In conclusion, silica aerogel mortar achieved the minimum strength of type N mortar.