Sökning: "soil structure dynamics"

Visar resultat 1 - 5 av 20 uppsatser innehållade orden soil structure dynamics.

  1. 1. Refined model for calculating the dynamic amplification factor for road bridges

    Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Byggnadsmekanik; Lunds universitet/Institutionen för byggvetenskaper

    Författare :Jens Bergenudd; [2020]
    Nyckelord :Dynamics; Dynamic amplification factor; Dynamic impact factor; Platooning; Soil-structure interaction; Vehicle-bridge interaction; Technology and Engineering;

    Sammanfattning : The objective of the thesis is to simulate and evaluate vehicle-bridge interaction (VBI) due to road surface irregularities and soil-structure interaction (SSI) with different vehicle models and suspension properties. Parameter studies will be carried out for integral and slab bridges. LÄS MER

  3. 2. A Simulation of Landslide-Generated Waves Using a Fully Implicit ISPH

    Master-uppsats, Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Författare :Kosei Nishida; [2020]
    Nyckelord :SPH; Landslide-generated waves; non-newtonian fluid; multiphase flow; Technology and Engineering;

    Sammanfattning : Smoothed Particle Hydrodynamics (SPH) is used to study the mechanisms of landslide-generated waves. As the landslide dynamics and the evaluation of impact forces acting on water are most important, landslide is modelled as a highly viscous fluid. Incompressible SPH (ISPH) is used for fluid simulation. LÄS MER

  4. 3. Dynamic Design of Bridges on High-Speed Railway Lines

    Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Institutionen för byggvetenskaper; Lunds universitet/Byggnadsmekanik

    Författare :Felicia Nilsson; Filippa Dahl; [2019]
    Nyckelord :High-speed railway bridges; bridge-train resonance; structural dynamics; modal dynamics; time stepping; soil-structure interaction; finite element method; BRIGADE Plus; Technology and Engineering;

    Sammanfattning : In recent years, high-speed railway has been on the upswing in the public debate, as Swedish authorities have affirmed the plans of a high-speed corridor connecting Stockholm, Gothenburg and Malm¨o. The track speed limit is not fully determined, but will be in the range of 250-320 km/h. LÄS MER

  5. 4. Dynamic Soil-Structure Interactionof Soil-Steel Composite Bridges : A Frequency Domain Approach Using PML Elements and Model Updating

    Master-uppsats, KTH/Bro- och stålbyggnad

    Författare :DIEGO FERNANDEZ BARRERO; [2019]
    Nyckelord :Dynamics; soil-steel bridges; soil-structure interaction; model updating; PML; particle swarm; corrugated steel plates; frequency domain assurance criteria; parallel computing 2;

    Sammanfattning : This master thesis covers the dynamic soil structure interaction of soil-steel culverts applyinga methodology based on the frequency domain response. At the first stage of this masterthesis, field tests were performed on one bridge using controlled excitation. LÄS MER

  7. 5. A novel platform to quantify crack formation due to root water uptake

    Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Soil and Environment

    Författare :Susanne Alexandersson; [2019]
    Nyckelord :soil structure dynamics; root water uptake; crack formation; automatized imaging system;

    Sammanfattning : Soil structure play an important role for a productive and sustainable agriculture. It controls many processes in the soil and has a great impact on soil functions and related ecosystem services. Plants play an important role in soil structure dynamics. LÄS MER