Sewage Sludge Ash Characteristics and Potential for Use in Concrete

Ciaran Lynn; Ravindra Dhir; Gurmel Ghataora; Roger West

doi:10.1016/j.conbuildmat.2015.08.122

Sewage Sludge Ash Characteristics and Potential for Use in Concrete

Ciaran Lynn, Ravindra Dhir, Gurmel Ghataora, Roger West

Civil Engineering

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118 Citations (Scopus)

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Abstract

Sewage sludge ash (SSA) use in concrete related applications is assessed through systematic review involving analysis and evaluation of the global literature found published since 1983. The material characteristics indicate potential for various applications: in small dosages as raw feed in Portland cement production, as ﬁne and ﬁller aggregates, or in ground form as cement component, with manageable effects on performance. Using manufactured SSA aggregate, concrete strength suitable for structural applications and lightweight properties comparable to Leca are attainable. SSA can be used in bulk, in controlled low strength materials (CLSM), aerated and foamed concretes. Reported case studies give encouraging signals.

Original language	English
Pages (from-to)	767-779
Journal	Construction and Building Materials
Volume	98
Early online date	3 Sept 2015
DOIs	https://doi.org/10.1016/j.conbuildmat.2015.08.122
Publication status	Published - 15 Nov 2015

Keywords

Sewage sludge ash
Systematic Review
Concrete

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Lynn_et_al_Sewage_sludge_ash_Construction_and_Building_Materials_2015Accepted author manuscript, 1.25 MBLicence: Creative Commons: Attribution-NonCommercial-NoDerivs (CC BY-NC-ND)

http://www.sciencedirect.com/science/article/pii/S0950061815303408Licence: None: All rights reserved

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abstract = "Sewage sludge ash (SSA) use in concrete related applications is assessed through systematic review involving analysis and evaluation of the global literature found published since 1983. The material characteristics indicate potential for various applications: in small dosages as raw feed in Portland cement production, as ﬁne and ﬁller aggregates, or in ground form as cement component, with manageable effects on performance. Using manufactured SSA aggregate, concrete strength suitable for structural applications and lightweight properties comparable to Leca are attainable. SSA can be used in bulk, in controlled low strength materials (CLSM), aerated and foamed concretes. Reported case studies give encouraging signals. ",

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AU - Dhir, Ravindra

AU - Ghataora, Gurmel

AU - West, Roger

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Y1 - 2015/11/15

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AB - Sewage sludge ash (SSA) use in concrete related applications is assessed through systematic review involving analysis and evaluation of the global literature found published since 1983. The material characteristics indicate potential for various applications: in small dosages as raw feed in Portland cement production, as ﬁne and ﬁller aggregates, or in ground form as cement component, with manageable effects on performance. Using manufactured SSA aggregate, concrete strength suitable for structural applications and lightweight properties comparable to Leca are attainable. SSA can be used in bulk, in controlled low strength materials (CLSM), aerated and foamed concretes. Reported case studies give encouraging signals.

KW - Sewage sludge ash

KW - Systematic Review

KW - Concrete

U2 - 10.1016/j.conbuildmat.2015.08.122

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EP - 779

JO - Construction and Building Materials

JF - Construction and Building Materials

ER -

Sewage Sludge Ash Characteristics and Potential for Use in Concrete

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Keywords

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