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Effect of desulphurised waste on long-term porosity and pore structure of blended cement pastes
Khatib, Jamal M. Wright, Lee Mangat, Pal S.
Khatib, Jamal M.
Wright, Lee
Mangat, Pal S.
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2016-06-16
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Abstract
This paper presents some results on the porosity and pore size distribution of cement paste containing simulated desulphurised waste (SDW) cured for 90 d. The SDW was chosen for the investigation due to the variability in chemical composition of real desulphurised waste as explained in previous papers. The SDW is a combination of 85% fly ash and 15% gypsum. The cement in the pastes was replaced with 0, 20 and 40% SDW. The water to binder ratio was 0.5. The binder consists of cement and SDW (by weight). After 90 d of curing, the porosity and pore size distribution tests were conducted on the pastes. Increasing the amount of SDW leads to an increase in the pore volume of the paste. There is no clear trend on the effect of SDW on the size of the pores.
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Khatib, JM., Wright, L., and Mangat, PS. (2016) 'Effect of desulphurised waste on long-term porosity and pore structure of blended cement pastes', Sustainable Environment Research, 26 (5) pp. 230-234
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Journal article
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en
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1022-7636
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Open Access funded by The Chinese Institute of Environmental Engineering, Taiwan.