Sökning: "trågbro"

Hittade 2 uppsatser innehållade ordet trågbro.

1. 1. Evaluation of load distribution on ballasted reinforced concrete railway trough bridges

   Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Byggkonstruktion och brand

   Författare :Alex Eriksson; [2023]
   Nyckelord :Concrete; numerical analysis; trough bridge; railway bridge; finite element model; discrete element method; Betong; numeriskanalys; trågbro; tågbro; finita elementmetoden; diskreta elementmetoden;

   Sammanfattning : A significant portion of the reinforced concrete railway bridges in Sweden are reaching their designed lifespan and are scheduled to be demolished and replaced in the upcoming years. To limit the econom-icand environmental impact related to the replacement of existing railway infrastructure, a comprehen-siveevaluation of their capacity is required with the aim of extending its lifespan. LÄS MER

3. 2. Analys av en spännarmerad balkbro : Inverkan på spännvidd och armeringsåtgång

   Kandidat-uppsats, KTH/Byggteknik och design

   Författare :Hampus Wennerkull; Robin Svensson; [2020]
   Nyckelord :Post-tensioning; span; half-through bridge; Brigade Standard; concrete girder bridge; railway; Spännarmering; spännvidd; trågbro; Brigade Standard; betongbalkbro; järnväg;

   Sammanfattning : Concrete girder bridges are a commonly used type of bridge which can be reinforced withboth regular and post-tensioned reinforcement. At a certain span length, the use of tensionreinforcement becomes a must because regular reinforcement won’t be enough. LÄS MER