Blar i UiS Brage på forfatter "Siriwardane, Sudath C."
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Analyse og Dimensjonering av Taktyper for Lavblokk
Skadsem, Jarand Trane; Høgemark, Ingvar (Master thesis, 2022)Byggenæringen utgjør en betydelig del av Norges verdiskapning og sysselsetting. Utbyggingen av samfunnet og infrastrukturen er i stadig vekst, og etterspørselen etter nye bygg er stor. Dette skaper et stort marked for ... -
Analyse og dimensjonering av taktyper for lavblokk
Høgemark, Ingvar; Skadsem, Jarand Trane (Master thesis, 2022)Byggenæringen utgjør en betydelig del av Norges verdiskapning og sysselsetting. Utbyggingen av samfunnet og infrastrukturen er i stadig vekst, og etterspørselen etter nye bygg er stor. Dette skaper et stort marked for ... -
Behavior of steel beams subjected to LTB at elevated temperature/Fire
Ahmad, Syed Abrar (Master thesis, 2022)When the steel beam is subjected to fire, there are great chances for the steel beam to decrease its stiffness due to which the flexural and lateral torsional buckling capacity (LTB) properties of respective steel beam ... -
Crack Arresting using Cutout Repair in Tubular Offshore Joints
Attaya, Mostafa (PhD thesis UiS;, Doctoral thesis, 2023)Finding efficient repair methods for cracked tubular joints in offshore structures is important, both as a permanent or temporary repair solution. The exploration of such methods and techniques includes the use of hole ... -
Design optimization in building projects by using composite steel/concrete columns
Mikaelsson, Johan (Masteroppgave/UIS-TN-IMBM/2019;, Master thesis, 2019-06-13)While being relatively common in other parts of Europe, the construction of steel-concrete composite buildings in Norway is rare. As an introduction the constituent materials, examples of different composite building ... -
Fatigue assessment of offshore jacket structures: A case study
Kannan, Ramkumar (Masteroppgave/UIS-TN-IMBM/2018;, Master thesis, 2018-06-15)Offshore fixed jacket structures are vulnerable to fatigue damage from hazardous environment in North Sea. In this thesis, an offshore jacket structure was checked for the ULS 100- year return period of wave and checked ... -
Fatigue Life Assessment of Rib to Deck Welded Joint of the Hardanger Bridge – a Realistic Traffic Loading of FEM
Gebre, Selam Abraha (Master thesis, 2022)The orthotropic steel decks in the Hardanger Bridge, as is common for long span suspension bridges, have welded joints that are susceptible to fatigue cracks. The rib-to-deck welded joints under the wheel load are the most ... -
Fatigue of Structural and Additively Manufactured Steels: Damage Assessment and Modelling Techniques
Bjørheim, Fredrik (PhD thesis UiS;, Doctoral thesis, 2022-09)The topics of damage assessment by in situ measurements before a macroscopic crack has been initiated, nonlinear damage modelling and additive manufacturing are herein discussed and researched from the perspective of the ... -
Fatigue Strength Curve for Tubular Joints of Offshore Structures under Dynamic Loading
Siriwardane, Sudath C.; Adasooriya, Mudiyan Nirosha Damayanthi; Pavlou, Dimitrios (Journal article, 2021)Abstract Offshore structures are subjected to dynamic environmental loads (wave and wind loads). A stress-life fatigue strength curve is proposed for tubular joints which are in the splash zone area of offshore jacket ... -
Lateral torsional buckling capacity of corroded steel beams: A parametric study
Kullashi, Greta; Siriwardane, Sudath C.; Atteya, Mostafa Ahmed (Peer reviewed; Journal article, 2021)Thickness reduction due to uniform corrosion increases the tendency of lateral torsional buckling (LTB) of open cross-sections and it reduces the moment capacity of the beam. The effect of the various corrosion cases on ... -
Modal analysis of offshore monopile wind turbine: An analytical solution
Pezeshki, Hadi; Pavlou, Dimitrios; Adeli, Hojjat; Siriwardane, Sudath C. (Peer reviewed; Journal article, 2022)An analytical solution of the dynamic response of offshore wind turbines under wave load with nonlinear Stokes’s wave theory and wave–structure and soil–foundation interactions is developed. Natural frequencies and the ... -
Non-linear buckling analysis of ship hull stiffened panels
Hacihamud, Enes; Dahl, K; Gabrielsen, O.; Lemu, Hirpa G.; Siriwardane, Sudath C. (Peer reviewed; Journal article, 2023)Stiffened panels are crucial in maritime applications, where buckling is a primary structural failure concern. Typically, assessing the buckling capacity of these panels relies on established guidelines like DNV-RP-C201 ... -
Nonlinear fatigue life prediction model based on the theory of the S-N fatigue damage envelope
Bjørheim, Fredrik; Pavlou, Dimitrios; Siriwardane, Sudath C. (Peer reviewed; Journal article, 2022)A nonlinear model is proposed in light of the theory of isodamage curves, to assess the cumulative fatigue damage under multistage loading. The isodamage curves were developed through the theory of the S-N fatigue damage ... -
Reuse of offshore steels for buildings: Lateral torsional buckling capacity of corroded beams
Sigurdsen, Silje Midtlien (Master thesis, 2023)The building industry is responsible for a lot of today’s CO2 emissions. The emissions from the building industry can be reduced by reusing steel from offshore structures. However, there are several challenges related to ... -
A review of fatigue damage detection and measurement techniques
Bjørheim, Fredrik; Siriwardane, Sudath C.; Pavlou, Dimitrios (Peer reviewed; Journal article, 2021-09)A vast amount of research has been carried out towards the goal of quantifying changes related to the fatigue damaging process in materials throughout the fatigue life. However, no recommended practice has been developed ... -
Review on fatigue life assessment methods for welded joints in orthotropic steel decks of long-span bridges
Villoria, Bruno; Siriwardane, Sudath C.; Lemu, Hirpa G. (Peer reviewed; Journal article, 2021)Orthotropic Steel Decks have been used in long-span bridges for several decades because of their high capacity to weight ratio. However, many fatigue related issues have been reported. This paper provides an overview of ... -
State of the art in structural health monitoring of offshore and marine structures
Pezeshki, Hadi; Adeli, Hojjat; Pavlou, Dimitrios; Siriwardane, Sudath C. (Peer reviewed; Journal article, 2023)This paper deals with state of the art in structural health monitoring (SHM) methods in offshore and marine structures. Most SHM methods have been developed for onshore infrastructures. Few studies are available to implement ... -
Stålbjelkers oppførsel ved vipping ved høye temperaturer/brann
Sigurdsen, Silje Midtlien (Bachelor thesis, 2021)I flere av ulykkene som har skjedd i nyere tid er ikke konstruksjonene sikret mot brann. Retningslinjene for avanserte grensetilstander er svært konservative siden det mangler eksperimentelle undersøkelser, da dette ikke ... -
Structural performance of a Railway Truss Bridge Design, Fabrication, Fem and Model Testing
Rose, Medhanie Kifle; Weldu, Wolday; Ghegretinsae, Fithawi (Bachelor thesis, 2023)This thesis focuses on the design, fabrication, and analysis of an aluminum truss bridge. The bridge was designed using theoretical and numerical methods, and then physically fabricated for experimental testing. The results ... -
Time dependent degradation of buckling capacity of steel beams/plate
Kullashi, Greta (Master thesis, 2021)