Mechanisms of carbonation hydration hardening in Portland cements
Carbonation hardening of Portland cement concrete can contribute to lower its CO 2
footprint and to improve its strength. The reaction mechanisms involved in carbonation …
footprint and to improve its strength. The reaction mechanisms involved in carbonation …
Effect of carbonated cement paste on composite cement hydration and performance
In this work carbonated cement paste from demolished concrete recycling has been
investigated as an active SCM-like component of composite cement. Carbonation of …
investigated as an active SCM-like component of composite cement. Carbonation of …
Phase assemblage and microstructure of cement paste subjected to enforced, wet carbonation
Carbonation of fines from recycled concrete can significantly lower the CO 2 footprint of
concrete. Benefits of this approach come from fines' abundance, easiness of carbonation …
concrete. Benefits of this approach come from fines' abundance, easiness of carbonation …
[HTML][HTML] Carbon Capture and Utilization by mineralization of cement pastes derived from recycled concrete
Reduction of CO 2 emissions associated with cement production is challenging in view of
the increasing cement demand and the fact that major part of the emissions originates from …
the increasing cement demand and the fact that major part of the emissions originates from …
Semi-dry carbonation of recycled concrete paste
Demolished concrete is a large carbon sink which has not been utilized yet. Carbonation of
hydrated cement paste from old concrete can effectively store CO 2, and in addition, the …
hydrated cement paste from old concrete can effectively store CO 2, and in addition, the …
Kinetics of enforced carbonation of cement paste
The carbonation mechanisms of ground, hydrated cement pastes that mimic recycled
concrete fines are investigated under direct wet carbonation. The carbonation is a …
concrete fines are investigated under direct wet carbonation. The carbonation is a …
Supplementary cementitious materials based on recycled concrete paste
The use of recycled concrete not only reduces the consumption of natural materials, but the
finest fraction produced also offers a potential to save CO 2 emissions. Three novel …
finest fraction produced also offers a potential to save CO 2 emissions. Three novel …
Surface area development of Portland cement paste during hydration: Direct comparison with 1H NMR relaxometry and water vapor/nitrogen sorption
The specific surface areas of sealed-cured hardened cement pastes (HCP) were evaluated
during the hydration process using three types of Portland cement and with two different …
during the hydration process using three types of Portland cement and with two different …
Gypsum formation mechanisms and their contribution to crystallisation pressure in sulfate resistant hardened cement pastes during early external sulfate attack at low …
M Wagner, M Decker, W Kunther, A Machner… - Cement and Concrete …, 2023 - Elsevier
Gypsum formation mechanisms during external sulfate attack were studied on Portland
cements of various C 3 A content exposed to low sulfate concentrations. Though ettringite is …
cements of various C 3 A content exposed to low sulfate concentrations. Though ettringite is …
CO2 mineralisation of Portland cement: Towards understanding the mechanisms of enforced carbonation
M Zajac, A Lechevallier, P Durdzinski… - Journal of CO2 …, 2020 - Elsevier
Reductions of CO 2 emissions associated with Portland cement production represent
currently the main challenge for the cement industry. A promising approach is to substitute …
currently the main challenge for the cement industry. A promising approach is to substitute …