Articles with "sulfate resistance" as a keyword



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Sulfate resistance of steam cured ferronickel slag blended cement mortar

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Published in 2019 at "Cement and Concrete Composites"

DOI: 10.1016/j.cemconcomp.2018.12.001

Abstract: Abstract The performance of steam cured (80 °C for 7 h) and standard cured ferronickel slag (FNS) cement mortar (0%, 20% replacement of cement with FNS) subjected to sodium sulfate attack were investigated. The results show that… read more here.

Keywords: sulfate resistance; cement mortar; cement; fns ... See more keywords
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Effect of different aggregate treatment techniques on the freeze-thaw and sulfate resistance of recycled aggregate concrete

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Published in 2020 at "Cold Regions Science and Technology"

DOI: 10.1016/j.coldregions.2020.103126

Abstract: Abstract The inferior durability of recycled aggregate concrete (RAC) is causing hindrance in the application of recycled concrete aggregates (RCA) in structural concrete. This research focuses on the influence of different treatment methods of RCA… read more here.

Keywords: sulfate resistance; freeze thaw; rac rac; rac ... See more keywords
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Investigation of the acid and sulfate resistance performances of hydrogen-rich water based mortars

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Published in 2017 at "Construction and Building Materials"

DOI: 10.1016/j.conbuildmat.2017.01.074

Abstract: Abstract The present article illustrates the acid and sulfate resistance performance of control (CM) and the hydrogen-rich water-based mortar (HM) samples. The 28 days cured CM and HM samples were exposed to 5% HCl, 5% HNO3,… read more here.

Keywords: acid sulfate; water; rich water; sulfate resistance ... See more keywords
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Use of grounded iron ore tailings (GIOTs) and BaCO3 to improve sulfate resistance of pastes

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Published in 2017 at "Construction and Building Materials"

DOI: 10.1016/j.conbuildmat.2017.05.209

Abstract: Abstract Novel methods are explored to improve sulfate resistance for cement pastes by using grounded iron ore tailings (GIOTs), BaCO 3 and both of them. Experiments were conducted on a plain cement paste and six… read more here.

Keywords: sulfate; sulfate resistance; grounded iron; improve sulfate ... See more keywords
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Effect of nanosilica on sulfate resistance of cement mortar under partial immersion

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Published in 2020 at "Construction and Building Materials"

DOI: 10.1016/j.conbuildmat.2019.117180

Abstract: Abstract The sulfate resistance of both plain and nanosilica-blended cement mortars partially immersed in 5% Na2SO4 solution was investigated in this study. Before sulfate attack testing, the pore structure of the samples was evaluated using… read more here.

Keywords: sulfate resistance; resistance cement; sulfate; partial immersion ... See more keywords
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Sulfate resistance testing of shotcrete – Sample preparation in the field and under laboratory conditions

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Published in 2021 at "Construction and Building Materials"

DOI: 10.1016/j.conbuildmat.2020.122233

Abstract: Abstract When shotcrete is in contact with sulfate containing ground water, there is a risk of a drastically reduced service life. In this case, the use of sulfate-resisting cement is recommended. Since physical characteristics of… read more here.

Keywords: sulfate resistance; field; laboratory; resistance ... See more keywords
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Enhanced Sulfate Resistance: The Importance of Iron in Aluminate Hydrates

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Published in 2019 at "ACS Sustainable Chemistry & Engineering"

DOI: 10.1021/acssuschemeng.8b06097

Abstract: Sulfate erosion is one of the main durability issue of ordinary Portland cement (OPC) while used in a sulfate-rich environment. Two aluminate phases in OPC, tricalcium aluminate (C3A) and tetracalcium aluminoferrite (C4AF), are primarily responsible… read more here.

Keywords: sulfate resistance; enhanced sulfate; sulfate; sulfate erosion ... See more keywords