The effect of waste glass powder on microstructural behaviour when used a partial cement replacement

Tamanna, Nafisa, Sutan, Norsuzailina Mohamed, and Tuladhar, Rabin (2018) The effect of waste glass powder on microstructural behaviour when used a partial cement replacement. In: [Presented at the 5th International fib Congress]. From: FIB 2018: 5th International fib Congress, 7-11 October 2018, Melbourne, VIC, Australia.

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Abstract

In recent years, the use of waste glass powder as a partial cement replacement has been researched widely to reduce the amount of waste glass from the environment. In this study, the potential use of waste glass powder, derived from soda lime silica bottles, as cement replacement was studied through microstructural and compressive strength analysis. Microstructural behaviour was studied using x-ray diffraction (XRD), fourier transform infrared spectroscopy (FTIR), and thermogravimetric analysis (TGA). Compressive strength tests were carried out on cement mortar to investigate the strength properties. Glass powder used in this study was in the range of 150-75 µm. Cement was replaced by 10%, 20%, 30% and 40% glass powder. When cement was replaced by glass powder, the reduction in the Calcium Hydroxide (CH) content was observed along with production of additional Calcium Silicate Hydrate (C-S-H). Specimen with 10% replacement revealed highest compressive strength than other combinations. However, experimental results indicated that the compressive strength of mortar decreased as the percentage of waste glass powder increased in mixture.

Item ID: 57808
Item Type: Conference Item (Presentation)
Keywords: cement replacement, microstructural analysis, Pozzolanic properties, strength, waste glass powder
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Date Deposited: 01 May 2019 02:39
FoR Codes: 09 ENGINEERING > 0905 Civil Engineering > 090503 Construction Materials @ 50%
09 ENGINEERING > 0905 Civil Engineering > 090506 Structural Engineering @ 50%
SEO Codes: 87 CONSTRUCTION > 8703 Construction Materials Performance and Processes > 870301 Cement and Concrete Materials @ 100%
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