Durability of phosphogypsum-based supersulfated cement mortar against external attack by sodium and magnesium sulfate

SR Pinto, CA da Luz, GS Munhoz… - Cement and Concrete …, 2020 - Elsevier
Supersulfated cements (SSCs) are composed primarily of blast furnace slag, calcium sulfate,
and a small content of alkaline activator. SSC has been discussed in the literature because it …

Influence of the calcination temperature of phosphogypsum on the performance of supersulfated cements

B Gracioli, CA Da Luz, CS Beutler… - … and Building Materials, 2020 - Elsevier
Supersulfated cements (SSCs) are binders comprising mostly of granulated blast-furnace
slag and calcium sulfate. In this study, phosphogypsum was used as source of calcium …

Effect of modified phosphogypsum on the hydration properties of the phosphogypsum-based supersulfated cement

S Liu, L Wang, B Yu - Construction and Building Materials, 2019 - Elsevier
Supersulfated cement (SSC) is a kind of environment-friendly cement with less or even no
clinker, which could consume a lot of phosphogypsum (PG). In order to improve the property …

Research status of super sulfate cement

Q Wu, Q Xue, Z Yu - Journal of Cleaner Production, 2021 - Elsevier
Super sulfate cement (SSC) is a kind of ideal green building material, containing more than
75% industrial solid wastes. The studies on SSC began in 1908. Many researches were …

Hydration behavior and strength development of supersulfated cement prepared by calcined phosphogypsum and slaked lime

Y Liao, J Yao, F Deng, H Li, K Wang, S Tang - Journal of Building …, 2023 - Elsevier
The effect of the content of calcined phosphogypsum (CPG) and slaked lime (SL) on the
fluidity, setting time, and compressive strength of supersulfated cement (SSC) were …

The influence of two types of alkali activators on the microstructure and performance of supersulfated cement concrete: mitigating the strength and carbonation …

Y Zhou, Z Peng, L Chen, J Huang, T Ma - Cement and Concrete …, 2021 - Elsevier
As a low-carbon cementitious material, the supersulfated cement (SSC) is composed of a
thimbleful of cement clinkers and massive industry by-products, i. e: gypsum and slag …

Improving the sulfate attack resistance of concrete by using supplementary cementitious materials (SCMs): A review

MMA Elahi, CR Shearer, ANR Reza, AK Saha… - … and Building Materials, 2021 - Elsevier
Supplementary cementitious materials (SCMs) and ordinary portland cement (OPC) blends
have been shown to mitigate external sulfate attack by improving hydrated paste properties …

Application of lime neutralised phosphogypsum in supersulfated cement

S Liu, P Fang, J Ren, S Li - Journal of cleaner production, 2020 - Elsevier
The inevitably incorporation of P 2 O 5 impurity results in the poor quality of phosphogypsum
(PG), which further hinders the utilisation of PG in manufacturing the supersulfated cement …

Increased sulfate resistance of ggbs concrete in the presence of carbonate

DD Higgins - Cement and Concrete Composites, 2003 - Elsevier
Significant occurrence of the thaumasite form of sulfate attack (TSA) has only been identified
in concrete containing carbonate aggregate, leading to a perception that the presence of …

Sulfate attack on alkali-activated slag concrete

T Bakharev, JG Sanjayan, YB Cheng - Cement and Concrete research, 2002 - Elsevier
This paper presents an investigation into durability of alkali-activated slag (AAS) concrete in
sulfate environment. Two tests were used to determine resistance of AAS concrete to sulfate …