Blar i Institutt for konstruksjonsteknikk på tittel
Viser treff 68-87 av 2466
-
Adsorption Isotherms for Lignosulfonate in Cement with Fly Ash and Blast Furnace Slag
(Master thesis, 2016)Plasticizers are used to increase the workability of cement in its fresh state. When adding plasticizers to a paste, the molecules chemically adsorb on the surface of cement particles. This interaction between the plasticizer ... -
Aero-Hydro Dynamic Analysis of Offshore Wind Turbine - Implementation of Nonlinear Soil-Structure Interaction in Software FAST
(Master thesis, 2015)Bottom-mounted offshore wind turbines (OWTs) involve a wide range of engineering fields. Of these, modeling of foundation flexibility has been given little priority. This thesis looks at the modeling of a bottom-mounted ... -
Aerodynamic damping models for vortex-induced vibration of a rectangular 4: 1 cylinder: Comparison of modeling schemes
(Peer reviewed; Journal article, 2020)Accurate modeling of vortex-induced force acting on a structure is of great significance to precisely evaluate its vortex-induced vibration (VIV). This paper systematically compares the capabilities of five aerodynamic ... -
Aerodynamic Effect of Non-uniform Wind Profiles for Long-Span Bridges
(Chapter, 2019)Long-span bridges are often designed based on the assumption of wind field homogeneity. At the Hardanger Bridge, the wind field along the bridge span is monitored though 8 triaxial ultrasonic anemometers. Simultaneously ... -
Aerodynamic Response of Slender Suspension Bridges
(Master thesis, 2014)During the planning of long, slender suspension bridges a lot of aerodynamics has to be taken into account. This thesis focus on one phenomenon; vortex induced vibrations. The purpose of the work has been to learn theory ... -
Aerodynamic response of slender suspension bridges
(Master thesis, 2016)This thesis studies the aerodynamic stability of suspension bridges with a streamlined single box girder or a twin box girder as cross section. The focus has been on studying how aerodynamic properties affects the response ... -
Aerodynamic Response of Slender Suspension Bridges
(Master thesis, 2016)The design and construction of the new coastal highway E39 along the west coast of Norway involves great challenges due to the large width and depth of the fjords along the coast. The new bridges involved in this project ... -
Aerodynamic Stability of a Suspension Bridge with an Aluminum Girder - Wind Tunnel Testing and Numerical Predictions
(Master thesis, 2020)Verdens første hengebru med brukasse i aluminum vurderes konstruert for fjordkryssingen av Langenuen. Ved å bruke aluminumim istedenfor stål, oppstår det utfordringer blant annet med tanke på aerodynamisk stabilitet. Denne ... -
Aerodynamic Stability of a Suspension Bridge with an Aluminum Girder - Wind Tunnel Testing and Numerical Predictions
(Master thesis, 2020)Verdens første hengebru med brukasse i aluminum vurderes konstruert for fjordkryssingen av Langenuen. Ved å bruke aluminumim istedenfor stål, oppstår det utfordringer blant annet med tanke på aerodynamisk stabilitet. Denne ... -
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 ... -
Aerodynamic stability of slender suspension bridges
(Master thesis, 2013)This thesis studies the aerodynamic stability of a proposed suspension bridge crossing the Sognefjord. Such a bridge will require a main span of approximately 3700 m, almost double the span length of the current record ... -
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 ... -
Aerodynamisk stabilitet av lange slanke hengebruer
(Master thesis, 2010)Mange steder i Norge sees det på muligheter for kryssing av fjorder med fast forbindelse.Blant forslagene er en kryssing av Sognefjorden som vil innebære å konstruere ei bru på omlag 3700 m. For ei klassisk hengebru er det ... -
Aerodynamisk stabilitet av lange slanke hengebruer
(Master thesis, 2010) -
Aerodynamisk stabilitet av lange slanke hengebruer
(Master thesis, 2013)Planlegging av nye og effektive transportveier øker etterspørselen etter å krysse bredere fjorder og høyere fjell. Dette fører til at broer må sette nye lengderekorder og at ny teknologi må utvikles. Dagens hengebroer ... -
Aeroelastic stability of a suspension bridge crossing the Sognefjord
(Master thesis, 2012)This thesis discusses the possibility of constructing a suspension bridge crossing the Sognefjord in light of the aeroelastic stability. A preliminary design has been carried out and a finite element model created in order ... -
Aerogel-Incorporated Concrete: An Experimental Study
(Journal article; Peer reviewed, 2014)Lightweight concrete can be prepared by replacing the normal aggregate of concrete, either partly or totally, with lightweight materials. In this work, by incorporating silica aerogel particles into concrete matrix, we ... -
Ag Nanoparticle-Coated Polystyrene Microspheres for Electromagnetic Interference Shielding Films with Low Metal Content
(Peer reviewed; Journal article, 2022)The fabrication of thin composite films incorporating metal-based fillers with a delicate structure to achieve high electromagnetic interference shielding effectiveness (EMI SE) at low metal content remains a great challenge. ... -
Air entrainment in fly ash concrete: effect of sequence of AEA-SP addition
(Master thesis, 2016)Frost resistance of concrete is directly dependent on its air content and parameters of air void system. Nowadays concrete is rarely produced without water-reducing agents, used also in air-entrained mixes. Sequence of ... -
Akseldeteksjon ved bruk av wavelets for Bridge Weigh-in-Motion system ved jernbanebroer
(Master thesis, 2016)Bridge Weigh-in-Motion er et system for å veie kjøretøy som passerer over en bro. Det er gjort store fremskritt i bruk av dette de siste tiårene, men det meste av forskningen har vært gjort for bilveier. Betydningen av å ...