Mechanical strength enhancement of lower hydraulicity cementitious solid wastes using anhydrite and pozzolanic materials

Examination of the system fly ash–lime–calcined gypsum–water

“…Water absorption was measured according to a literature procedure [12]. The specimens were dried to constant mass at 85 1C and then immersed in 19-22 1C tap water for 24 h. The % water absorption was calculated using the equation…”

Pozzolanic mortars for the conservation of old masonry structures

“…Even the materials that are commonly not regarded as having good pozzolanic activity can have a good reactivity with Ca +2 ions after the grinding process. This is due to the fact that they possess a large specific surface area that is needed for such reactions [10]. In the case of the studied materials, the mentioned production procedures (drying/calcination/grinding), were set up in order to estimate the impact of the grinding process on pozzolanic activity of the obtained materials.…”

Solidification and stabilization of cadmium ions in sand–cement–clay mixture

“…Treatment of sludge can be achieved using different technologies. These include stabilization [3,4], thickening [5], dewatering [6], drying and incineration [7,8] and physical solidification or stabilization using either cement or pozzolanic materials [9]. One dominant method of metal and sludge disposal is the cement-based solidification/stabilization process.…”