Sökning: "Jaime Gonzalez"

Hittade 3 avhandlingar innehållade orden Jaime Gonzalez.

  1. 1. Characterization of train-induced aerodynamic loads on high-speed railway vertical noise barriers

    Författare :Dongyun Liu; Gabriel Sas; Chao Wang; Jaime Gonzalez; Lennart Elfgren; Yongming Tu; Paolo Zampieri; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Aerodynamic pressure; Computational fluid dynamics; Train geometry; High-speed railway; High-speed train; Load calculation model; Vertical noise barrier; Byggkonstruktion; Structural Engineering;

    Sammanfattning : High-Speed Railway (HSR) technology requires the deployment of noise barriers to mitigate noise pollution affecting nearby residents. As train speeds increase, so does the magnitude of aerodynamic effects such as aerodynamic noise and the pressure on these barriers, meaning that these structures require robust sound insulation and structural load-bearing capacities. LÄS MER

  2. 2. Redundancy and Robustness Quantification of Bridge Systems based on Reliability and Risk Approaches

    Författare :Silvia Sarmiento; Gabriel Sas; Jaime Gonzalez-Libreros; Robert Hällmark; Thomas Blanksvärd; Sebastian Thöns; John Leander; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Existing bridges; reliability; risk; metamodel; Finite Element Modeling; Model tests; Byggkonstruktion; Structural Engineering;

    Sammanfattning : Over the last few decades, evaluating the performance of existing structures has become increasingly important, particularly as the number of bridges reaching their design life continues to rise. As a result, there is a growing need for effective and accurate procedures to guide the assessment of the current structures' capacity and safety levels to implement appropriate maintenance and rehabilitation strategies. LÄS MER

  3. 3. A concrete dam assessment approach using probabilistic non-linear finite element analysis and scale model testing

    Författare :Adrian Ulfberg; Gabriel Sas; Oisik Das; Jaime Gonzalez; Richard Malm; Fredrik Johansson; Marie Westberg Wilde; Leif Lia; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Finite element analysis; Scale model testing; Probabilistic analysis; Byggkonstruktion; Structural Engineering;

    Sammanfattning : Dams are vital infrastructure for society as they provide various services (e.g., flood prevention, storage of byproducts from mining operations, water storage for irrigation and hydropower generation) by the impoundment of liquids. LÄS MER