Reusing ceramic waste as a pozzolanic admixture may offer environmental benefits it allows the reduction in consumption of natural resources and energy, CO2 emissions associated with Portland cement (PC) production, while valorising materials long biodegradation period. This paper assessed activity three different types: red clay bricks (RCB), tiles (TCW) sanitary-ware (CSW). After adapting the...

BACKGROUND Classic self-curing temporary cements obstruct the translucence of provisional restorations. New dual-cure esthetic temporary cements need investigation and comparison with classic cements to ensure that they are equally retentive and provide adequate translucence. The objective is to analyze by means of traction testing in a in vitro study the retention of five temporary cements. ...

Strategic blending of supplementary cementitious materials (SCMs) into ordinary portland cement (OPC) helps reduce energy use and greenhouse gas emissions from concrete production. Expanding thermodynamic databases to include new reaction products blended cements improves computational approaches used understand the impact SCMs with cement. Determination parameters based on temperature-dependen...

Executive Summary The objective of this program is to measure the changes in the properties of the C-S-H gel phase in cement paste as a function of the Ca/Si ratio. The motivation is to better understand the hydration products that form in blended cements with lower Ca/Si ratios than portland cement. The main contribution from Northwestern was to characterize specimens using small-angle neutron...

Carbonation-induced corrosion is one of the main causes degradation reinforced concrete (RC) structures exposed outdoor in urban environment. To prevent steel corrosion, a durability design, that considers both initiation and propagation time, fundamental importance. At this aim, resistance to carbonation rate exposure environment need be known. This paper reports coefficient 7-day cured RC spe...

K-struvite, the main hydrate of magnesium potassium phosphate (MKP) cements, dehydrates at ~50 °C, thus elevated temperatures service conditions could affect cement properties and durability. In this study, hydration MKP without with wollastonite were investigated 20 50 °C. hydrated pure K-struvite decomposes progressively over time to MgKPO4·H2O which leads a strong reduction solid volume seve...

Limestone ternary cements (LTCs) have attracted significant research and commercial attention recently, for technical environmental reasons. Standardisation of these is imminent under BS EN 197-5:2021. Detailed understanding the hydration microstructure evolution LTCs from different alumina-rich supplementary cementitious materials exists in scientific literature; improved reaction kinetics add...