Sökning: "Limestone"

Visar resultat 16 - 20 av 187 uppsatser innehållade ordet Limestone.

  1. 16. Lowering energy need and improving indoor climate - A case study of rural dwellings in Gammalsvenskby, Ukraine

    Master-uppsats, Lunds universitet/Institutionen för arkitektur och byggd miljö; Lunds universitet/Avdelningen för Energi och byggnadsdesign

    Författare :Viktor Kauranen; [2022]
    Nyckelord :Gammalsvenskby; energy-efficient; indoor climate; rural buildings; renovation; Ukraine; Life cycle cost; Technology and Engineering;

    Sammanfattning : A vast majority of rural dwellings in Ukraine are inefficient from an energy perspective, with a major need for energy-efficient renovations. A lot of these buildings are also having problems with the indoor climate, with poor ventilation combined with indoor combustion of fuel which can cause negative health effects. LÄS MER

  3. 17. Groundwater flooding in a Moldovan limestone mine : An investigation into the limestone aquifer in Chisinau andsustainable solutions to mine dewatering

    Master-uppsats, KTH/Hållbar utveckling, miljövetenskap och teknik

    Författare :Erik Tobin; [2022]
    Nyckelord :groundwater; hydrogeology; limestone; mine; Moldova; Chisinau; grundvatten; hydrogeologi; kalksten; gruva; Moldavien; Chisinau;

    Sammanfattning : This work aimed to investigate the groundwater situation in and around Mina din Chisinau, an underground limestone mine in Chisinau, Moldova, in order to contribute to a sustainable solution to its flooding problem. Work on-site was done including visits inside the mine, to points of hydrogeological relevance to the mine, well inventories/search, and an attempt at an infiltration test. LÄS MER

  4. 18. Jämförelse av trä och betong i ett flerbostadshus

    Master-uppsats, KTH/Betongbyggnad

    Författare :Amanda Göthlin; Simon Larsson; [2022]
    Nyckelord :;

    Sammanfattning : An ongoing discussion today is the environmental impact of concrete and whether Cementa should get to continue to mine limestone on Gotland despite its impact on the local ground water. Previous research has shown that half of the apartment buildings could be built with wood, which is considered to be a more environmentally friendly material than concrete. LÄS MER

  5. 19. Hur kan man ersätta traditionellt portlandcement som bindemedel i betong?

    M1-uppsats, Linnéuniversitetet/Institutionen för byggteknik (BY)

    Författare :Otto Bjerhag; Abdulatif Kassab; [2022]
    Nyckelord :ersättningsmedel; bindemedel; masugnsslagg; flygaska; risskal; silika; klimat; utsläpp; neutral; minskad; tillverkare; företag; betong; cement; koldioxid; co2; vctekv;

    Sammanfattning : Concrete manufacturers claim that using substitute like blast furnace slag, fly ash and silica reduces the climate impact when used as a substitute for cement. Reducing climate emissions is an important topic for companies that currently produce concrete to achieve a sustainable society. LÄS MER

  7. 20. Awaiting water

    Uppsats för yrkesexamina på avancerad nivå, KTH/Arkitektur

    Författare :Sofia Nordblad; [2022]
    Nyckelord :limestone; quarry; Öland; Cementa; visitor center;

    Sammanfattning : 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. LÄS MER