Sökning: "Equivalent fatigue"
Visar resultat 1 - 5 av 22 avhandlingar innehållade orden Equivalent fatigue.
1. Fatigue of existing steel bridges : Reliability and risk analyses for decision-making
Sammanfattning : Fatigue is one of the primary reasons that limit the service life of steel bridges. Many bridges in Sweden and other countries have progressively approached their anticipated service lives. Since funding and resources are limited, simultaneously replacement or maintenance of bridges is impractical. LÄS MER
2. A statistical approach to multi-input equivalent fatigue loads for the durability of automotive structures
Sammanfattning : In the automotive industry, due to temporal and financial constraints, we need to strongly reduce the duration of the design phase, but still ensure reliability and robustness. Structures in service are often exposed to complex variable amplitude loads. LÄS MER
3. Probabilistic modeling of fatigue failures
Sammanfattning : Fatigue is a well known failure mode in engineering that can have catastrophic consequences, such as loss of human life. Thus design against fatigue failure is very important. There are many sources of scatter present in fatigue, for instance; the difference in load in-between users of a product, material scatter and scatter in the production. LÄS MER
4. Wheels, Rails and Insulated Joints - Damage and Failure Probability at High Speed and Axle Load
Sammanfattning : The thesis deals with some fatigue related problems in railway mechanics related to increased axle loads and speeds. The focus is on defects and discontinuities in the wheel--rail system that affect the risk of fatigue and fracture of railway components such as wheels, rails and insulated joints. LÄS MER
5. Laser-welded corrugated core steel sandwich bridge decks
Sammanfattning : Steel bridge decks are often used for applications when a lightweight structure is sought for. Conventional orthotropic steel decks suffers from drawbacks in several aspects, including high production costs and durability problems. LÄS MER