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 …

Mechanism of calcination modification of phosphogypsum and its effect on the hydration properties of phosphogypsum-based supersulfated cement

S Liu, J Ouyang, J Ren - Construction and Building Materials, 2020 - Elsevier
Supersulfated cement (SSC) is a kind of environment-friendly and energy-saving cement,
which is almost entirely made of industrial waste and could consume a lot of …

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 …

Impact of carbonation on leaching of constituents from a cementitious waste form for treatment of low activity waste at the DOE Hanford site

P Zhang, Z Chen, KG Brown, AC Garrabrants… - Waste Management, 2022 - Elsevier
Carbonation can be a major aging process during disposal of alkaline cementitious waste
forms and can impact constituent leaching by changes in material alkalinity, pore structure …

Structural evolution of an alkali sulfate activated slag cement

N Mobasher, SA Bernal, JL Provis - Journal of Nuclear Materials, 2016 - Elsevier
In this study, the effect of sodium sulfate content and curing duration (from fresh paste up to
18 months) on the binder structure of sodium sulfate activated slag cements was evaluated …

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 …

Immobilisation mechanism for nuclear waste containing aluminium by supersulfated cement containing phosphogypsum

S Liu, S Chang, Y Tu, S Luo - Cement and Concrete Composites, 2023 - Elsevier
Supersulfated cement (SSC), which features a relatively low pH value, is increasingly
considered as an effective alternative to Portland cement-based material for solidifying …

A review of sample preparation and its influence on pH determination in concrete samples

S Manso Blanco… - … de construcción (Madrid), 2017 - upcommons.upc.edu
If we are to monitor the chemical processes in cementitious materials, then pH assays in the
pore solutions of cement pastes, mortars, and concretes are of key importance. However …

Microstructural verification of the strength performance of ternary blended cement systems with high volumes of fly ash and GGBFS

Y Jeong, H Park, Y Jun, JH Jeong, JE Oh - Construction and Building …, 2015 - Elsevier
Ternary combinations of Portland cement, GGBFS, and fly ash with a typical weight ratio of 4:
4: 2, respectively, have been widely used for concrete production in South Korea. Recently …

Hydration mechanisms of supersulfated cement: The role of alkali activator and calcium sulfate content

S Rubert, C Angulski da Luz, MV F. Varela… - Journal of Thermal …, 2018 - Springer
Considerable attention has been given to special cements, capable of reducing CO 2
emissions, energy and limestone consumption. Supersulfated cements are made of blast …