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The Development of a New Cementitious Material Produced from Cement and GGBS

Shubbar, AAF, Atherton, W, Jafer, HM, Dulaimi, AF and AL-Faluji, D (2017) The Development of a New Cementitious Material Produced from Cement and GGBS. In: The 3rd BUiD Doctoral Research Conference - Faculty of engineering and IT . pp. 51-63. (The 3rd BUiD Doctoral Research Conference, the British University in Dubai, 13 May 2017 - 13 May 2017, Dubai, UAE).

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The aim of this research is to study the effect of using Ground Granulated Blast Furnace Slag (GGBS) as a partial replacement to Ordinary Portland Cement (OPC) and produce a more environmentally friendly cementitious material with comparable compressive strength to OPC. Six mixes were prepared with different percentages of GGBS replacement 0%, 10%, 20%, 30%, 40% and 50% of the weight of OPC. The compressive strength with ages of 7 and 28 days was used for evaluating the performance of the tested specimens in comparison to the control mix with (0% GGBS). The results demonstrated that the compressive strength at the age of 7 days for the mixes with 10% and 20% GGBS were higher than the control mix by 2% and 4%, respectively. However, the addition of 30%, 40% and 50% caused a reduction in the compressive strength relative to control mix by 3.6%, 12.7% and 15.6%, respectively. Interestingly, all the mixes containing GGBS provided higher compressive strength in comparison to the control mix at the age of 28 days. This means that increasing the period of curing for mixes containing GGBS can improve the compressive strength. At 50%, GGBS substitution the strength of mortar was better than the strength of control mix at 28 days. In this study, the optimum replacement of OPC by GGBS was considered to be 50%. Such replacement will contribute to reduce the CO2 emissions (carbon footprint) and at the same time provide better compressive strength at suitable curing times.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TH Building construction
Divisions: Civil Engineering (merged with Built Env 10 Aug 20)
Publisher: BUiD
Date Deposited: 29 Jul 2019 08:52
Last Modified: 13 Apr 2022 15:17
URI: https://researchonline.ljmu.ac.uk/id/eprint/11127
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