Pozzolanic properties of glass powder in cement paste

Tamanna, Nafisa, Norsuzailina, Mohamed Sutan, Tuladhar, Rabin, Ching Lee, Delsye Teo, and Yakub, Ibrahim (2016) Pozzolanic properties of glass powder in cement paste. Journal of Civil Engineering, Science and Technology, 7 (2). pp. 75-81.

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This paper investigates the formation of Calcium Silicate Hydrate (C-S-H) as a product of pozzolanic reactions in a cement paste with cement partially replaced with crushed recycled glass at the rate of 10% and 20%. Three different particle sizes for crushed glass used in this study were in the range of 150-75µm, 75-38µm and lower than 38µm; and a water to cement ratio of 0.45 was used for all specimens. This study showed that the formation of Calcium Hydroxide Ca(OH)2 is decreased while the formation of C-S-H is increased simultaneously at 90 days for 75-38µm and <38µm glass powder. The use of waste glass as a partial cement replacement improves the cement strength through the formation of C-S-H due to the pozzolanic reaction with Ca(OH)2 improving the strength of the mortar.

Item ID: 49652
Item Type: Article (Research - C1)
ISSN: 2462-1382
Keywords: pozzolanic properties, calcium silicate hydrate, cement replacement, waste glass powder, hydration
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A version of this publication was included as Chapter 5 of the following PhD thesis: Tamanna, Nafisa (2020) Use of waste glass as aggregate and cement replacement in concrete. PhD thesis, James Cook University, which is available Open Access in ResearchOnline@JCU. Please see the Related URLs for access.

Funders: Ministry of Education (Malaysia), Universiti Malaysia Sarawak
Date Deposited: 24 Jul 2017 22:28
FoR Codes: 40 ENGINEERING > 4005 Civil engineering > 400510 Structural engineering @ 20%
40 ENGINEERING > 4005 Civil engineering > 400505 Construction materials @ 80%
SEO Codes: 87 CONSTRUCTION > 8703 Construction Materials Performance and Processes > 870301 Cement and Concrete Materials @ 100%
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