Browsing Institutt for konstruksjonsteknikk by Title
Now showing items 797-816 of 2469
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The effect of curing temperature on autogenous deformation of fly ash concretes
(Peer reviewed; Journal article, 2020)For concrete subjected to restrained conditions, autogenous deformation (AD) and thermal dilation (TD) are the main driving forces behind stress development in the hardening phase. Generally, AD in concrete is modelled by ... -
Effect of cyclic softening and mean stress relaxation on fatigue crack initiation in a hemispherical notch
(Journal article; Peer reviewed, 2022) -
Effect of different microstructural features on the hydrogen embrittlement susceptibility of alloy 718
(Journal article; Peer reviewed, 2018)Due to its high strength and acceptable corrosion resistance, Alloy 718 is a viable material for the use in subsea applications. The alloy's susceptibility to hydrogen embrittlement is however limiting its viability. In ... -
The effect of equilibration time on Al uptake in C-S-H
(Peer reviewed; Journal article, 2021)Calcium silicate hydrate (C-S-H) is the main hydration product of Portland cements. The partial replacement of Portland cements by supplementary cementitious materials can result in C-S-H with lower Ca/Si ratios and more ... -
Effect of fiber and post-tensioned reinforcement on pile supported ground slabs
(Master thesis, 2022)En peleunderstøttet fundamentplate oppfører seg på samme måte som flatdekke i ULS, der gjennomlokking og bøyemomentbrudd er hovedproblemene. I SLS er det derimot forskjell, der sprekkdannelse ofte er hovedutfordringen for ... -
Effect of fiber and post-tensioned reinforcement on pile supported ground slabs
(Master thesis, 2022)En peleunderstøttet fundamentplate oppfører seg på samme måte som flatdekke i ULS, der gjennomlokking og bøyemomentbrudd er hovedproblemene. I SLS er det derimot forskjell, der sprekkdannelse ofte er hovedutfordringen for ... -
Effect of foundation type and modelling on dynamic response and fatigue of offshore wind turbines
(Peer reviewed; Journal article, 2019)This paper presents dynamic response and fatigue analyses of several bottom-mounted offshore wind turbine (OWT) models, simulated in the aero-hydro-servo-elastic simulation tool FAST. The distinction between the models is ... -
Effect of foundation type and modelling on dynamic response and fatigue of offshore wind turbines
(Journal article; Peer reviewed, 2019)This paper presents dynamic response and fatigue analyses of several bottom‐mounted offshore wind turbine (OWT) models, simulated in the aero‐hydro‐servo‐elastic simulation tool FAST. The distinction between the models is ... -
Effect of grain boundary on the crack-tip plasticity under hydrogen environment: an atomistic study
(Journal article; Peer reviewed, 2019)It has been found that the plasticity is significantly affected by the hydrogen interstitials in metallic materials. However, the underlying physics responsible for the dislocation/hydrogen interactions is still poorly ... -
Effect of heat input on nanomechanical properties of wire-arc additive manufactured Al 4047 alloys
(Peer reviewed; Journal article, 2022)Heat input is one of the most important process parameters during additive manufacturing (AM). It is of great significance to understand the effect of heat input on the microstructure and nanomechanical properties, as well ... -
Effect of heat-treatment on the structural response of blast-loaded aluminium plates with pre-cut slits
(Journal article; Peer reviewed, 2019)This study investigates the structural response of blast-loaded aluminium plates with pre-cut slits. The 1.5 mm thick plates were tested after three different heat-treatments and with four different pre-cut slit geometries ... -
Effect of hydrogen on dislocation nucleation in alloy 718
(Journal article; Peer reviewed, 2017)In situ electrochemical nanoindentation has been used to study the effect of hydrogen on the nanomechanical response of Alloy 718. Observations show that hardness increase as a result of hydrogen charging. Also, the hydrogen ... -
Effect of Hydrogen on the Collective Behavior of Dislocations in the Case of Nanoindentation
(Journal article, 2018)Most of the studies reported treats the effect of hydrogen on single dislocation line, while models that describe the collective interaction are missing. In this study, hydrogen-induced softening of metallic materials is ... -
The effect of infill walls on the seismic behavior of boundary columns in RC frames
(Peer reviewed; Journal article, 2016)scaled, three-story three-bay RC frame with masonry infill walls was studied experimentally and numerically. Pseudo-dynamic test results showed that despite following the column design provisions of modern seismic codes ... -
Effect of kinematic interaction on seismic response of offshore wind turbines on monopiles
(Peer reviewed; Journal article, 2020)Interest in renewable energy over the past decade has motivated a remarkable research on offshore wind energy. Due to the environmental loading conditions in the early developments of offshore wind farms, the focus of the ... -
Effect of leaching on the composition of hydration phases during chloride exposure of mortar
(Peer reviewed; Journal article, 2022)Mortar specimens were exposed to either a 3% NaCl solution or a 3% NaCl+KOH solution for up to 180 days. Exposure to the NaCl solution provoked much more leaching than the NaCl+KOH exposure. Leaching strongly impacted the ... -
Effect of long periods of corrosion on the fatigue lifetime of offshore mooring chain steel
(Peer reviewed; Journal article, 2022)R4-grade mooring chain steel specimens were subjected to alternating phases of saltwater corrosion and air fatigue to replicate seasonal load variations on chains in service. No significant difference in fatigue lifetimes ... -
Effect of low temperature tensile properties on crack driving force for Arctic applications
(Journal article; Peer reviewed, 2017)Many petroleum companies expand their activities further north towards the Arctic region, resulting in design temperatures down to −60 °C, which is much lower than what is usual for most current petroleum installations. ... -
Effect of materials on sedimentation of cement paste
(Chapter; Peer reviewed, 2013)A conceptual model for the stability of paste was proposed and an experimental system, HYdroStatic Pressure Test (HYSPT), was developed for detecting the sedimentation of fresh cement paste. By accurate measurements of the ... -
Effect of Nanoparticles on Spontaneous Imbibition of Water into Ultraconfined Reservoir Capillary by Molecular Dynamics Simulation
(Journal article; Peer reviewed, 2017)Imbibition is one of the key phenomena underlying processes such as oil recovery and others. In this paper, the influence of nanoparticles on spontaneous water imbibition into ultraconfined channels is investigated by ...