Concept
Ciment Portland
Publications associées (320)
Data-driven optimization tool for the functional, economic, and environmental properties of blended cement concrete using supplementary cementitious materials
The need to produce more sustainable concrete is proving imminent given the rising environmental concerns facing the industry. Blended cement concrete, based on any of the prominent supplementary cementitious materials (SCMs) such as fly ash, ground granul ...
ELSEVIER2023Influence of temperature on phase assemblages of belite-ye'elimite cement
Karen Scrivener, Barbara Lothenbach, Diana Londoño Zuluaga, Natechanok Chitvoranund
This paper studies the effect of temperature on the phase assemblages of belite-ye'elimite cement. A comparison is made between thermodynamic modelling and experimental data at 28 and 180 days of hydration at 5, 20, 40, and 60 degrees C. The fast reaction ...
Oxford2023Atomic-Level and Surface Structure of Calcium Silicate Hydrate Nanofoils
Karen Scrivener, Paul Bowen, Aslam Kunhi Mohamed, Ziga Casar
Deciphering the calcium silicate hydrate (C-S-H) surface is crucial for unraveling the mechanisms of cement hydration and property development. Experimental observations of C-S-H in cement systems suggest a surface termination which is fundamentally differ ...
AMER CHEMICAL SOC2023Does carbon footprint reduction impair mechanical properties and service life of concrete?
Karen Scrivener, Diana Londoño Zuluaga
The aim of this study is to evaluate how much the changes in the concrete mix design, which enable carbon footprint reduction, are impacting mechanical properties and predicted service life of concrete structure. The starting point of this study was concre ...
SPRINGER2023Integrating CO2 mineralization in industrial clusters: the benefits of material and heat integration
François Maréchal, Rafael Amorim Leandro De Castro Amoedo, Julia Granacher, Mouhannad Abou Daher
Curbing and capturing CO2 emissions is no longer enough to cope with the demanding environmental challenges of the coming years. Long-term storage technologies need deployment, to help industrial sectors to reach ambitious emission standards. Mineral carbo ...
2023A long-term study on structural changes in calcium aluminate silicate hydrates
Christian Ludwig, Barbara Lothenbach, Sonya Barzgar, Yu Yan, Mohamed Tarik
Production of blended cements in which Portland cement is combined with supplementary cementitious materials (SCM) is an effective strategy for reducing the CO2 emissions during cement manufacturing and achieving sustainable concrete production. However, t ...
SPRINGER2022Hydration and durability of fast hardening binders incorporating supplementary cementitious materials
The use of supplementary cementitious materials (SCMs) is widely considered the most promis-ing approach to reduce CO2 emissions relative to cement production. SCMs are not commonly present in binders used for special applications. On the other hand, due t ...
EPFL2022Microstructural developments of limestone calcined clay cement (LC3) pastes after long-term (3 years) hydration
Karen Scrivener, Franco Alberto Zunino Sommariva
LC3 is one of the most promising alternatives for a high-performance blended cement with a significantly lower clinker content and with potential for worldwide adoption. For this reason, understanding its long-term performance is relevant to ensure service ...
PERGAMON-ELSEVIER SCIENCE LTD2022The Rise of Portland Cements
Karen Scrivener, Ruben Anton Snellings
This chapter tells the story of Portland cement, from its invention in the tured mineral product. The success story of Portland cement is rooted in the unique combination of the abundance of its raw materials, the reactivity of the high-temperature clinker ...
MINERALOGICAL SOC AMER2022The influence of sulfate addition on hydration kinetics and C-S-H morphology of C3S and C3S/C(3)A systems
Karen Scrivener, Franco Alberto Zunino Sommariva
A comprehensive understanding of hydration kinetics, sulfate requirement and phase assemblage of Portland cement is crucial for further optimization of early-age performance, especially when part of cement is replaced by mineral additions in blended cement ...
PERGAMON-ELSEVIER SCIENCE LTD2022