Essays about: "Cementa"

Showing result 1 - 5 of 17 essays containing the word Cementa.

  1. 1. Geological 3D Modelling ofthe File Hajdar Quarry, Slite

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Friberg Nils; [2023]
    Keywords : 3D-modelling; Cementa; limestone; resistivity; Gotland; 3D-modellering; Cementa; kalksten; resistivitet; Gotland;

    Abstract : Located on the island of Gotland, Sweden, the File Hajdar limestone quarry is an important locality for domestic cement production. With depositional settings generally related to shallow sea carbonate ramps, the lithologies encountered on File Hajdar range from reef-associated limestone units to more basinal deposition of marls. READ MORE

  3. 2. The Effect on Mechanical Properties in Biochar Replaced Cement & Aggregate in Concrete Before and After Fire Exposure

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Felix Hansen; Mathias Berglund; [2023]
    Keywords : Biochar; Concrete; Sintering; Fire; Mechanical properties; Sustainability; Cement; Biochar in concrete; Building industry; Concrete exposed to fire.; Biokol; Betong; Sintring; Eld; Mekaniska egenskaper; Hållbarhet; Cement; Biokol i betong; Byggindustri; Brandexponerad betong.;

    Abstract : Concrete is good as a construction material regarding fire and its properties regarding strength. However, the concrete expands and cracks due to fire resulting in structural damage. According to the literature the concrete usually loses its strength during and after fire exposure due to themechanical and physical changes. READ MORE

  4. 3. Post-Extraction Mine-Scape. Alternate Production and Recreation Protocol for Slite.

    University essay from KTH/Stadsbyggnad

    Author : Saba Farheen Ahmed; [2023]
    Keywords : Extraction; Post-Industrial Urbanism; Landscape Regeneration; Microalgae Production; Gotland;

    Abstract : Quarrying of limestone on the Swedish island of Gotland dates all the way back to the 5th century but saw the rise of its modern form during the early 20th century, with the establishment of Cementa AB at Slite, which since then has developed as an industrial town. Cementa has been progressively mining limestone in three large open pit quarries in Slite. READ MORE

  5. 4. Awaiting water

    University essay from KTH/Arkitektur

    Author : Sofia Nordblad; [2022]
    Keywords : limestone; quarry; Öland; Cementa; visitor center;

    Abstract : There is a limestone quarry on Öland that was active between 1888 and 2019.  Now that Cementa has ceased mining, the quarry is about to be naturally flooded with rainwater and infiltrating groundwater. In 20 years from now, the water level will be 5 meters higher than today. READ MORE

  6. 5. 3D Geological Modelling of the Subsurface Adjacent to Cementa’s Quarry in Skövde, Sweden

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Minna Larsson; [2022]
    Keywords : 3D model; limestone; cement production; resistivity; photogrammetry; Skövde; 3D modell; kalksten; cementproduktion; resistivitet; fotogrammetri; Skövde;

    Abstract : Limestone is one of the main components of cement production. Limestone has been quarried in Skövde, Sweden, since the end of 19th century and Cementa AB has been operating the quarry since 1973. Aside from limestone, there are also Alum shale of Cambrian age, mudstones as well as bentonite layers of Ordovician age present in the quarry. READ MORE