Sökning: "Quarries"

Visar resultat 1 - 5 av 9 avhandlingar innehållade ordet Quarries.

  1. 1. A Life Cycle Approach to Environmental Sustainability in Aggregate Production Systems

    Författare :Christina Lee; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Aggregates; Gravel; Sand; LCA; Production Systems; Sustainability; Life Cycle Assessment; Environmental Management; EPDs; Quarries; Tool Development; Environmental Impact; Environmental Product Declarations; Construction Products;

    Sammanfattning : Rock materials, such as sand, gravel, and crushed rock, serve as the foundation of our society. Known collectively as aggregates, these materials are essential for building foundations, concrete, and roads, making them the second most extracted material globally after water. LÄS MER

  3. 2. Människor i utmark

    Författare :Eva Svensson; Historisk arkeologi; []
    Nyckelord :HUMANIORA; HUMANITIES; local societies; social practice; human strategies; pitfalls for elk; bloomery furnaces; shielings; outland agriculture; outland haymaking; rural settlement; soapstone quarries; forest farmers; tar production; households; landscape archaeology; Outand use; Archaeology; Arkeologi;

    Sammanfattning : The aim of this study is to illuminate the complex and varied uses of the forested outlands, from the Iron Age, through the Middle Ages, to Early Modern times. Material evidence from the landscape of Värmland, in Western Sweden, will be examined, focusing on the local societies of Dalby and Gunnarskog. LÄS MER

  4. 3. Primordial radionuclides in pit lakes in Sweden

    Författare :Rimon Thomas; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; non-uranium mines; water; sediment; radiochemistry; principle component analysis;

    Sammanfattning : In Sweden, there are many pit lakes, originating from limestone quarries and metal mines, with unknown status in regard to the activity concentration of radionuclides. Such knowledge is generally available only for pit lakes from uranium mining activi-ties. LÄS MER

  5. 4. Optimisation of Off-Road Transport Missions

    Författare :Jörgen Albrektsson; Jan Åslund; Lars Eriksson; Nikolce Murgovski; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Mines, construction sites, road construction and quarries are examples of applications where construction equipment are used. In a production chain consisting of several construction machines working together, the work needs to be optimised and coordinated to achieve an environmental friendly, energy efficient and productive production. LÄS MER

  7. 5. The Argolid under Roman rule (31 BC - AD 600)

    Författare :Renée Forsell; Antikens kultur och samhällsliv; []
    Nyckelord :HUMANIORA; HUMANITIES; Antikens och forntidens historia; Ancient history; power structures; social structure; Christianisation; religious life; trade; subsistence; settlement patterns; Western Argolid; Southern Argolid; Methana; Troizenia; Epidaurea; Late Roman Greece; Argolid; Roman Greece; History of the Christian church; Kristna kyrkans historia; Cultural anthropology; ethnology; Kulturantropologi; etnologi;

    Sammanfattning : This study focuses on the region of Argolid in the eastern part of the Greek Peloponnese during the Roman Imperial era, taking up a variety of aspects of life there based mainly on archaeological evidence. The introduction presents the study area and the background to the study. LÄS MER