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Visar resultat 1 - 5 av 9 uppsatser som matchar ovanstående sökkriterier.

1. 1. Analysis of Footbridge Comfort Vibrations

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

   Författare :Niklas Thuresson; Henrik Ruuth; [2023]
   Nyckelord :footbridges; dynamics; vibrations; accelerations; Sétra; comfort vibrations; natural frequencies; Technology and Engineering;

   Sammanfattning : The aim of this master's thesis was to investigate and increase the knowledge of how different parameters affect the dynamic properties of steel beam bridges used for pedestrian traffic. Steel footbridges are commonly used due to their high strength and low weight. LÄS MER

3. 2. A parametric study of the static and dynamic performance of timber arch footbridges with different hanger configurations

   Master-uppsats, KTH/Bro- och stålbyggnad

   Författare :ALEJANDRO GARCÍA GARCÍA; [2022]
   Nyckelord :Arch bridges; footbridge dynamics; critical load; bridge typology; parametric study;

   Sammanfattning : The influence of the hanger configuration in the arch and deck bending moments under asymmetric loads is widely used nowadays for improved designs of arch bridges. In this work, by means of a parametric study, those hanger configurations that most efficiently increase both the natural frequencies and buckling factors are identified, simultaneously evaluating the dynamic and static performance of timber arch footbridges. LÄS MER

4. 3. Response of Footbridges equipped with TLD : A numerical and experimental assessment

   Master-uppsats, KTH/Bro- och stålbyggnad

   Författare :Silhady Tshitende Luboya; [2020]
   Nyckelord :Tuned liquid damper; tuned mass damper; dynamic analysis; dynamics evaluation; vibration; footbridge; human-induced vibrations; parametric study; serviceability; assessment.;

   Sammanfattning : In recent years, an increase to design slender and aesthetically-pleasing structures have resulted in some structures having a low natural frequency. This is because the design calculation did not meet the requirement of serviceability performance. LÄS MER

5. 4. A pre-study of the dynamic behavior of a single diagonal timber arch bridge

   Master-uppsats, KTH/Byggnadsmaterial

   Författare :Xiaoqi Wang; Shufan Ye; [2020]
   Nyckelord :: single diagonal arch bridge; timber bridge; footbridge; finite element analysis; resonance induced vibration; bridge dynamics; dimensional analysis;

   Sammanfattning : The aim of this Master’s thesis was to study the dynamic behaviour of a special type ofpedestrian timber bridge with a single diagonal arch - a design proposal made in a previousstudent project. The bridge is intended to be built as a gateway to the Alfred Nobel’s Björkbornin the municipality of Karlskoga. LÄS MER

7. 5. Numerical and experimental dynamic analyses of the Vega Pedestrian bridge including seasonal effects

   Master-uppsats, KTH/Bro- och stålbyggnad

   Författare :John Peter Hallak Neilson; [2019]
   Nyckelord :Structural dynamics; Timber structures; Seasonal effects; Asphalt; Footbridges; Arch bridges; Dynamic analysis;

   Sammanfattning : As timber structures become increasingly relevant and sought after – since they enable improvements in building time while reducing a structure’s life cycle impacts – streamlining their design can have meaningful economic and environmental implications. For timber footbridges, its design is frequently governed by serviceability criteria linked to excessive vibrations. LÄS MER