Essays about: "horizontal cracks"

Showing result 6 - 10 of 11 essays containing the words horizontal cracks.

  1. 6. Progressive failure analyses of concrete buttress dams : Influence of crack propagation on the structural dam safety

    University essay from KTH/Betongbyggnad

    Author : Chaoran Fu; Bjartmar Hafliðason; [2015]
    Keywords : concrete buttress dams; cracked concrete; failure modes; safety factor; finite element analysis; nonlinear material properties; betong; lamelldammar; uppsprucken betong; brottmoder; säkerhetsfaktor; finita element analyser; icke-linjära material modeller;

    Abstract : Concrete buttress dams are the most common type of concrete dams for hydropower production in Sweden. Cracks have been observed in some of the them. However, only limited research has been made concerning the influence of these cracks on the structural dam safety. READ MORE

  2. 7. Förekomst & kostnad av kapsprickor i stormaskadad skog

    University essay from SLU/School for Forest Management

    Author : Markus Forsberg; [2014]
    Keywords : virkesbehandling; virkesförlust; engreppsskördare; storm;

    Abstract : The aim for this study where to investigate the frequency of cutting cracks in saw timber harvested in the storm-damaged forests in regions where the storms Hilde and Ivar hit. The idea for this work came from one of the region’s biggest actors, SCA Skog and Jämtlands district. READ MORE

  3. 8. Growing through the Cracks - A multi-case study of two alternative food networks in Cluj-Napoca, Romania

    University essay from Lunds universitet/LUMID International Master programme in applied International Development and Management

    Author : Josefin Smeds; [2014]
    Keywords : agroecology; re peasantisation; conventional food system; sustainable food paradigm; alternative food networks; embeddedness; Romania; Social Sciences;

    Abstract : As a response to limitations of the conventional food system, alternative food networks such as community supported agriculture and direct selling box schemes have emerged in Romania, involving close producer-consumer connections and an emphasis on local and organic produce. Through a multi-case study of two such networks in the city of Cluj-Napoca, their contribution to the establishment of a sustainable food paradigm has been explored. READ MORE

  4. 9. Influence of surface roughness on thermography measurement

    University essay from Högskolan Väst/Avd för automationssystem

    Author : Cheng Zhang; [2014]
    Keywords : Emissivity; Surface roughness; thermography measurement; crack direction; direction of surface roughness;

    Abstract : This university Bachelor's Thesis was performed to explore the influence of surface roughness on the thermography measurement. Thermography is a non-destructive testing method which can be used to detect cracks. READ MORE

  5. 10. FE analysis of weld stresses in composite bridges : A case study of the influence of the cross bracings

    University essay from KTH/Bro- och stålbyggnad

    Author : Andreas Sjölander; [2012]
    Keywords : Weld stresses; composite bridges; cross bracings; web stiffeners;

    Abstract : Composite bridges in Sweden are commonly designed as a twin I-girder section. To stablizie the bridge during launching and concreting horizontal cross bracings are used. These are normally connected to a transverse web stiffener that is welded with a throat size of 5 mm regardless of the dimensions of the bridge. READ MORE