Essays about: "ersättningsmaterial"

Found 5 essays containing the word ersättningsmaterial.

  1. 1. Towards a sustainable substitute for Acrylonitrile Butadiene Styrene (ABS) in automotive industry

    University essay from KTH/Fiber- och polymerteknologi

    Author : Amalia Christoula; [2023]
    Keywords : Polylactide PLA ; Biobased; Life Cycle Analysis LCA ; Impact modifiers; Lignocellulose nanofibers LCNF; Polylaktid PLA ; Biobaserad; Livscykelanalys LCA ; Slagtålighet; Nanofibrer av lignocellulosa LCNF ;

    Abstract : Syftet med detta examensarbete var att utveckla ett hållbart ersättningsmaterial till akrylnitrilbutadienstyren plast (ABS), genom att applicera principerna för grön kemi och teknik. ABS är en icke-nedbrytbar plast som till exempel används i slagtåliga produkter för hyttinteriörer. READ MORE

  3. 2. Environmental and technical evaluation of cement reduction and test methods for fibre reinforced shotcrete in tunnels

    University essay from KTH/Betongbyggnad

    Author : Elin Brodd; Lina Östlund; [2022]
    Keywords : Shotcrete; Global Warming Potential; Environmental Product Declaration; Tunnel construction; Fibre reinforcement; Compressive strength; Residual strength; GGBS; Sprutbetong; Klimatpåverkan; Miljövarudeklaration; Tunnelbyggande; Fiberarmering; Tryckhållfasthet; Residualhållfasthet; Granulerad Masugnsslagg;

    Abstract : The dominating support method for hard rock tunnels today is use of fibre reinforced shotcrete in combination with rock bolts. The fibre reinforced shotcrete secures smaller blocks, while rock bolts are used to support larger blocks in the rock. Application of shotcrete is done by spraying against the rock surface using compressed air. READ MORE

  4. 3. Trä-ish : vad kan ersätta trä i konstruktioner i offentlig utemiljö?

    University essay from SLU/Dept. of Landscape Architecture, Planning and Management (from 130101)

    Author : Malin Mässing; Filippa Logrim Wikander; [2019]
    Keywords : furu; träplastkomposit; högtryckskompaktlaminat; återvunnen plast; CO2; ; beständighet; ersättningsmaterial;

    Abstract : Wood as a material has traditionally been used and is still used in many constructions in outdoor environments in Sweden. Despite the benefits of domestic materials that do not come from finite resources and have a special character, one cannot ignore the fact that wood requires maintenance. READ MORE

  5. 4. Planning for Viable Forests with High Biodiversity

    University essay from Lunds universitet/Miljövetenskaplig utbildning

    Author : Anja Herdesang; [2018]
    Keywords : Anja Herdesang; Planning for Viable Forests with High Biodiversity; forestry; foresters; forester; biodiversity; ecosystem; forest; sustainability; extinction; speices; refinement; nature; clear-cut; cuts; monocultured; forests; alternative; concervation; enviromental laws; even-aged; continuous; silvicultural; wood products; cost-effectiveness; Protection; timber; pulp; production; forest owners; harvesting; red-listed; violations; protected; effective management; ecosystem responses; disturbance; Cross-disciplinary cooperation; climax and carrying capacity; index; describing the abiotic basic Prerequisites for Biodiversity APB ; guideline; trees connected; wildlife connectivity; continuity; Earth and Environmental Sciences; Agriculture and Food Sciences; Biology and Life Sciences; Cultural Sciences; Law and Political Science;

    Abstract : In recent decades, the rate of extinction of species is increasing due to human use and refinement of nature. This has resulted in a large amount of research throughout the world. Forestry today is mostly based on clear cuts, and many natural forests have been cut down and replaced with monocultured forests. READ MORE

  6. 5. Variation in rock quality between metamorphic domains in the lower levels of the Eastern Segment, Sveconorwegian Province

    University essay from Lunds universitet/Geologiska institutionen

    Author : Linda Lundgren; [2012]
    Keywords : rock quality; microDeval test; Los Angeles test; studded tyre test; quantitative analyses; Los Angelesvärde; kulkvarnsvärde; microDevalvärde; bergkvalitet; kvantitativa analyser; Earth and Environmental Sciences;

    Abstract : Populärvetenskaplig sammanfattning: Variationer i bergkvalitet hos gnejser i Halland, sydvästra Sverige För att kunna förklara variationer i bergkvalitet hos hög metamorfa gnejser i Halland, sydvästra Sverige, har tolv gnejser från området undersökts både kvantitativt och kvalitativt. Tanken är att de kvalitativa resultaten, fält- och tunnslipsbeskrivningar, ska kunna användas som prospekteringsverktyg för aggregat till väg och järnväg. READ MORE