The effect of using waste glass powder as cement replacement in concrete

Tamanna, Nafisa, Tuladhar, Rabin, Avosa, Nathan, and Sivakugan, Siva (2017) The effect of using waste glass powder as cement replacement in concrete. In: Proceedings of the 28th Biennial Conference of the Concrete Institute of Australia. From: Concrete 2017: 28th Biennial Conference of the Concrete Institute of Australia, 22-25 October 2017, Adelaide, SA, Australia.

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Abstract

Glass is one of the most widely used man-made versatile substances in the world. The amount of waste glass has gradually increased over the recent years due to the rapid improvement in the living standards. However, due to high cost of cleaning, colour sorting and transportation to recycling plants, a greater portion of waste glass is sent to landfills. In this study, experiments were conducted to investigate the feasibility of using waste glass powder as partial cement replacement in concrete. Waste glass powder was used to partially replace cement at 10%, 20% and 30% by mass in concrete. A constant w/c ratio of 0.53 was used for all the mixes. The material properties of waste glass concrete were evaluated and compared with control concrete using XRF, particle size analyser and SEM. The particle size distribution for glass powder was almost the same as that of cement and both materials showed similar shapes and sizes in terms of morphology. The slump test results increased with increasing percentage of glass powder and the unit weight decreased after adding waste glass powder to concrete. Mechanical strengths were evaluated via compressive strength and Flexural strength tests. The strength test results showed that strength decreased as the replacement level increased, however, all the mixes exceeded the target 28 days' strength.

Item ID: 51463
Item Type: Conference Item (Refereed Research Paper - E1)
Keywords: waste glass powder, cement replacement, mechanical properties, concrete
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Date Deposited: 12 Jun 2018 03:23
FoR Codes: 09 ENGINEERING > 0905 Civil Engineering > 090503 Construction Materials @ 80%
09 ENGINEERING > 0905 Civil Engineering > 090506 Structural Engineering @ 20%
SEO Codes: 87 CONSTRUCTION > 8703 Construction Materials Performance and Processes > 870301 Cement and Concrete Materials @ 70%
87 CONSTRUCTION > 8703 Construction Materials Performance and Processes > 870399 Construction Materials Performance and Processes not elsewhere classified @ 30%
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