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Showing result 1 - 5 of 148 swedish dissertations matching the above criteria.

  2. 1. Refining the fatigue assessment procedure of existing steel bridges

    Author : John Leander; Raid Karoumi; Bert Norlin; John D. Sørensen; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Fatigue; Steel bridges; Assessment; Reliability; Monitoring; Utmattning; stålbroar; bärighetsberäkning; tillförlitlighet; mätningar; Söderström; getingmidjan;

    Abstract : This thesis treats the fatigue assessment process of steel bridges. The purpose is to identify areas with potential of enhancement with an overall aim of attaining a longer service life. The aging bridge stock in Sweden and in many other developed countries is an impending economical burden. READ MORE

  4. 2. Fatigue Assessment of Cast Components : Influence of Cast Defects

    Author : Anders Björkblad; Jack Samuelsson; Gary Marquis; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; cast nodular iron; fatigue; design rules; fracture mechanics; Vehicle engineering; Farkostteknik;

    Abstract :  This thesis is on the fatigue assessment of cast components with special attention to defects. The primary material in view is nodular cast iron, but also cast steel is considered. However, the fatigue behaviour is in principle valid for general use on other cast metals. READ MORE

  5. 3. Fatigue and Fracture of High-Strength Steels : Improving Reliability in Strength Assessment

    Author : Gustav Hultgren; Zuheir Barsoum; Rami Mansour; Torbjörn Narström; Gary Marquis; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; High-Strength Steel; Quality assurance; Probabilistic modeling; Fatigue; Fracture mechanics; Farkostteknik; Vehicle and Maritime Engineering;

    Abstract : Structural steel plays a fundamental role in the heavy industry, serving as a key material for numerous load-bearing products and equipment. Its widespread use is attributed to its robustness, resistance to wear, ease of use in construction, and cost-effectiveness. READ MORE

  6. 4. Fibromyalgia and chronic widespread pain. Dimensions of fatigue and effects of physiotherapy

    Author : Anna Ericsson; Göteborgs universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; fatigue; fibromyalgia; chronic pain; widespread pain; assessment; physiotherapy; exercise; education;

    Abstract : Aims. Fatigue is a severe problem for patients with fibromyalgia (FM) and chronic widespread pain (CWP). READ MORE

  7. 5. Reliability-based fatigue assessment of existing steel bridges

    Author : Ruoqi Wang; John Leander; Raid Karoumi; John Dalsgaard Sørensen; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Fatigue; steel bridges; reliability analysis; spatial correlation; risk analysis; Monte Carlo simulation; Utmattning; stålbroar; tillförlitlighet; rumslig korrelation; riskanalys; Monte Carlo-simulering; Structural Engineering and Bridges; Bro- och stålbyggnad;

    Abstract : Fatigue is among the most critical forms of deterioration damage that occurs tosteel bridges. It causes a decline of the safety level of bridges over time. Therefore,the performance of steel bridges, which may be seriously affected by fatigue, shouldbe assessed and predicted. READ MORE