Blar i Institutt for konstruksjonsteknikk på emneord "Bygg- og miljøteknikk, Beregningsmekanikk"
Viser treff 1-20 av 60
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A Parametric Study of Dynamic Response in Numerical Pantograph-Catenary Interaction Model
(Master thesis, 2018)The thesis involves development of code for simulating the contact interaction between pantographs and catenary systems through the use of FEA software. The resulting code is then used to investigate how certain model ... -
Aerodynamic Stability of Long-span Suspension Bridges
(Master thesis, 2016)A MATLAB script for making customized finite element models of suspension bridges is created. The main purpose of the script is to perform eigenvalue analysis of different bridge setups to investigate the controlling ... -
Aerodynamisk instabilitet av lange, slanke hengebruer
(Master thesis, 2016)Hardangerbrua ble åpnet i 2013 og er Norges lengste hengebru, med et spenn på 1310 meter og bredde på kun 18.3 meter. I slanke konstruksjoner som dette vil den dynamiske responsen som følge av krefter fra vinden være en ... -
Aksial- og tverrbelastede gjengestenger i trekonstruksjoner
(Master thesis, 2015)Denne oppgaven undersøker oppførselen til lange skruer i limtre, utsatt for aksial- og tverrbelastning. Egenskapene som har blitt evaluert er i hovedsak stivhet, kapasitet og bruddmønster. En stor studie er nylig utført ... -
Assessment of a semi-probabilistic safety concept for reinforced concrete columns using non-linear finite element analyses
(Master thesis, 2018)This thesis assesses the reliability of methods for slender concrete column design, including Non-Linear Finite Element Analysis (NLFEA). The applicability of the Eurocode in slender column design is investigated, and the ... -
Beregning og numeriske analyser av samvirkebruer.
(Master thesis, 2015)Bruer konstruert ved bruk av samvirke mellom stål og betong er av de mes brukte brutypene, spesielt for mellomlange spenn. Formålet med denne oppgaven er å undersøke ulike beregningsmetoder for denne typen konstruksjon. I ... -
Beregninger av hvelvdam med vederlagspilar
(Master thesis, 2015)Hvelvdammer har høy grad av statisk ubestemthet, og elementmetoden er derfor en egnet analysemetode. I denne oppgaven har man laget en skallmodell av en enkeltkrum hvelvdam med vederlagspilar i elementmetodeprogrammet ... -
Buckling of hollow aluminum columns
(Master thesis, 2017)This thesis studies the behaviour of axially loaded circular hollow cylindrical columns in aluminium and is written as a part of the project Design of power pylons in aluminium customised for automatic production . The ... -
Cost-Optimization of the Safety Factor for Design of Mooring Lines with Bayesian Networks
(Master thesis, 2018)The structural integrity of mooring lines is critical for the safety of offshore facilities. In recent years, concerns have been raised in the offshore industry about the high failure rates compared to the design expectations, ... -
Denting of coated and uncoated offshore steel pipes
(Master thesis, 2015)In the present thesis, numerical and experimental investigations of coated offshore pipelines were conducted. The objective was to investigate how the polypropylene coating affected the global response of the pipes. The ... -
Ductile-Brittle Transition in Offshore Steel
(Master thesis, 2017)The main objective of this thesis was to investigate experimentally and numerically the main effects and interaction effects of temperature, strain rate and stress triaxiality on an offshore X65 steel. During preliminary ... -
Dynamic Behavior of a Full Scale Laboratory Model of a Catenary System by Measurements and Numerical Analysis
(Master thesis, 2015)The behavior of railway systems, in particular the overhead contact line (OCL), is considered in this thesis. The modelling of such systems with the use of the finite element method are important to carry out, both to ... -
Dynamic Identification and Modelling of a Pantograph
(Master thesis, 2018)The main objective of this thesis is to measure and determine the dynamic properties of a measurement pantograph, and then create a numerical model with the same properties. The purpose of the model is to give a better ... -
Dynamic response of a multi-span suspension bridge with floating pylons
(Master thesis, 2017)The Norwegian Public Roads Administration is currently investigating the possibility of crossing the 500 m deep and 5 km wide fjord, Bjørnafjorden, located in Norway. Several concepts have been developed on behalf of the ... -
Dynamic Response of Suspension Bridge with Floating Towers
(Master thesis, 2016)The Norwegian Public Road Administration has been investigating the possibilities ofcrossing the fjords on the west coast of Norway for the coastal highway E39 project.For the 5 km wide Bjørnafjorden ... -
Estimation of Aerodynamic Admittance Using Pressure Tap Measurements - Wind Tunnel Testing of the Hardanger Bridge Deck
(Master thesis, 2017)The studies done in this master thesis focused on building a Hardanger Bridge deck section model and developing an experimental method using pressure tap measurements for finding aerodynamic properties. The measuring ... -
An experimental and numerical study of bolt and nut assemblies under tension loading
(Master thesis, 2016)The purpose of this master thesis is to investigate how the nut position affects the failure mode of single tensile loaded bolts under quasi-static conditions. A ductile bolt fracture is preferable from an engineering ... -
Experimental and Numerical Study on Plated Structures Subjected to Blast Loading - Numerical Simulations and Experimental Validation
(Master thesis, 2015)The main objective of this thesis was to investigate the response of thin plates, made of Docol 600 DL steel and the aluminium alloy EN-AW-1050A-H14, subjected to blast loading. The intention was also to validate the use ... -
Fatigue damage in an offshore wind turbine using probability density evolution
(Master thesis, 2017)Due to large variability of the offshore environment, the load analysis of an offshore wind turbine is a complex task. It is normally performed in the time domain, by running Monte Carlo simulations. However, this is usually ... -
Feasibility study of high-rise timber buildings using moment resisting frames
(Master thesis, 2017)Multi-story building in Timber