Sökning: "Betong"

Visar resultat 21 - 25 av 921 uppsatser innehållade ordet Betong.

  1. 21. 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

  2. 22. Accelerated Carbonation Of Cement Pastes And Mortars

    Kandidat-uppsats, Högskolan i Borås/Akademin för textil, teknik och ekonomi

    Författare :Pejman Hajibabaei; [2022]
    Nyckelord :karbonatisering; accelerated carbonation; SCMs; cement paste; carbonation depth;

    Sammanfattning : Concrete structures have the largest surface area of all human made structures. Large surface area makes concrete capable to absorb CO2 from environment during its lifetime. It is estimated that concrete during its lifetime can absorb about 15-20% of CO2 which had produced in cement production. LÄS MER

  3. 23. Forcerad uttorkning av plattans voter : Hur man möjliggör snabbare hydratation av fukt

    Uppsats för yrkesexamina på grundnivå,

    Författare :Rasmus Lennartsson; Johannes Gunnarsson; [2022]
    Nyckelord :Concrete; moisture; w c; Betong; vattencementtal; hållfasthet; PPB; TorkaS; fukt; uttorkning.;

    Sammanfattning : With a goal to be able to cast a concrete slab and to dry out the moisture in the concrete in a faster way. To meet the requirement for certification of green building construction, the concrete slab must be dried out to an approved level before it is covered with a flooring material. LÄS MER

  4. 24. 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

  5. 25. Ingjutna ventilationskanalers påverkan på luftljudsisolering i flerbostadshus

    Kandidat-uppsats, Umeå universitet/Institutionen för tillämpad fysik och elektronik

    Författare :Emma Näslund; [2022]
    Nyckelord :;

    Sammanfattning : Good sound insulation is highly valued by Swedish tenants. To be able to achieve that, one must look at many aspects, such as room volumes, floor planes, flooring, but also what materials that are to be built with and how it ́s constructed.  The use of cast-in ventilation ducts in the load-bearing structures is a common method in Sweden. LÄS MER