...) 31 10 2025 07 07 2026 © 2026 Emerald Publishing Limited 2026 Emerald Publishing Limited Licensed re-use rights only calcium sulfate calcium sulfoaluminate (CSA) cement cementitious materials expansive agent expansive cement fly ash (PFA) hydration metakaolin...

... Limited 2026 Emerald Publishing Limited Licensed re-use rights only alkali compounds calcium sulfate calcium sulfoaluminate cement calorimetry cement cementitious materials in situ X-ray diffraction sodium hydroxide ultrasonic pulse velocity UN SDG 9: Industry, innovation...

... publication and authors. The full terms of this licence may be seen at Link to the terms of the CC BY 4.0 licence. admixtures C₃A calcium sulfate ettringite temperature effects OPC is a key ingredient in civil infrastructure. To be more resource efficient and reduce carbon...

... differently (Andrade Neto et al., 2021 ; Quennoz, 2011 ; Zunino and Scrivener, 2020). For example, CaSO₄·0.5H₂O hemihydrate (bassanite) dissolves faster than CaSO₄·2H₂O dihydrate (gypsum), leading to higher calcium sulfate concentration and ettringite...

... H 2 O + 6 CaS O 4 + 52 H 2 O → 2 C 3 A 3 CaS O 4 32 H 2 O In the absence of anhydrite 17 04 2022 26 08 2022 ICE Publishing: All rights reserved 2022 AFt phases calcium sulfate calcium...

...). The main hydrated products were gypsum, ettringite and calcium silicate hydrate type products. ICE Publishing: All rights reserved 2018 blast furnace slag blended cements calcium sulfate The construction industry, like many others, is now focusing on sustainability objectives by reducing...

... including calcium carbonate (CaCO_{3), calcium sulfate (CaSO4), strontium carbonate (SrCO3) and aluminium oxide (Al2O3). Molar ratios of the raw materials and the synthesis condition are shown in Table 1 . The raw materials were ground by a planetary ball mill to achieve}...

...Hui Zhao; Guo-Hua Hu; Gong-Bo Ye; Xiao-Ming Ren; Qun-Chao Zhang; Tao Jiang Polycarboxylic superplasticiser (PS) and naphthalene-based superplasticiser (NBS) were used to achieve a denser structure of α-hemihydrate calcium sulfate and better mechanical properties. The hydration process...

... 2017 calcium sulfate cracks & cracking hydrated cement In the pursuit of sustainability in the cement and concrete industry, calcium sulfoaluminate (CSA) cements, which were developed in the 1970s, have again attracted wide attention because of their lower embodied energy...

...Yu Zhang; Xuerun Li; Xiaodong Shen The influence of iron oxide (Fe₂O₃) on the formation and decomposition kinetics of calcium sulfoaluminate (C₄A₃$) formed from tricalcium aluminate and calcium sulfate was investigated by both isothermal...