Browsing Institutt for konstruksjonsteknikk by Title
Now showing items 428-447 of 2612
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Cack propagation in aluminium alloy plates: experiments, modelling and simulation
(Master thesis, 2021)Denne masteroppgaven har studert sprekkpropagering i 1.5mm tykke plater av aluminiumslegeringen AA6016 utsatt for kvasisstatisk- og dynamisk last. Forsøkene har blitt modellert ved bruk av en FEA og en Gurson-Tvergaard-needleman ... -
CAFE based Multi-scale Modelling of Ductile-to-Brittle Transition of Steel with a Temperature Dependent Effective Surface Energy
(Journal article; Peer reviewed, 2019)It is still a challenge to numerically achieve the interactive competition between ductile damage and brittle fracture in ductile-to-brittle transition (DBT) region. In addition, since two types of fracture occur at two ... -
Calculation and evaluation of crack risk in hardening concrete structures: Effects of thermal dilation, autogenous shrinkage and structural restraint on culverts
(Master thesis, 2011)This thesis deals with prediction of early age cracking during the hardening phase. Concrete curing will generate stresses if the motions caused by hydration are restrained. The two major reasons for these motions are ... -
The calibration challenge when inferring longitudinal track profile from the inertial response of an in-service train
(Peer reviewed; Journal article, 2021)An Irish Rail intercity train was instrumented for a period of one month with inertial sensors. In this paper, a novel calibration algorithm is proposed to determine, with reasonable accuracy, vehicle model parameters from ... -
Calibration of material models against TSTM test for crack risk assessment of early-age concrete containing fly ash
(Journal article; Peer reviewed, 2018)Making reliable cracking risk assessment involves experimental testing and advanced modeling of the time- and temperature-dependent behavior of the properties, the restraint conditions of the structure, and the external ... -
Calibration of simplified safety formats for structural timber design
(Journal article; Peer reviewed, 2017)A framework for calibrating the reliability elements in simplified semi-probabilistic design safety formats is presented. The objective of calibration is to minimize the increase of construction costs, compared to the ... -
Calibration of the modified Mohr-Coulomb fracture model by use of localization analyses for three tempers of an AA6016 aluminium alloy
(Peer reviewed; Journal article, 2021)This paper presents a novel calibration procedure of the modified Mohr-Coulomb (MMC) fracture model by use of localization analyses and applies it for three tempers of an AA6016 aluminium alloy. The localization analyses ... -
Calibration Technique for Quantitative Chloride Measurements with µ-XRF in Cementitious Materials
(Master thesis, 2018)Corrosion due to ingress of chlorides is one of the major deterioration mechanisms of reinforced concrete structures exposed to seawater or de-icing salts. The chlorides are transported through the porous cement paste in ... -
Capacity Analysis of Herøysund Bridge with a Damaged Post-Tensioned System
(Master thesis, 2023)Norge står for øyeblikket overfor en betydelig utfordring når det gjelder sin aldrende infrastruktur, spesielt med tanke på de omtrent 17 000 broene på riks- og fylkesvegnettet. Blant disse broene er de eldre etteroppspente ... -
Capacity Analysis of Herøysund Bridge with a Damaged Post-Tensioned System
(Master thesis, 2023)Norge står for øyeblikket overfor en betydelig utfordring når det gjelder sin aldrende infrastruktur, spesielt med tanke på de omtrent 17 000 broene på riks- og fylkesvegnettet. Blant disse broene er de eldre etteroppspente ... -
Carbonation and corrosion of steel in fly ash concrete, concluding investigation of five-year-old laboratory specimens and preliminary field data
(Journal article; Peer reviewed, 2024)Carbonation development and reinforcement corrosion were investigated on concretes exposed for a five-year period at 90% RH, 20 ℃, and 5% CO2, and for a six-year period at natural carbonation. Portland cement-based binders ... -
Carbonation resistance of concrete and mortar containing novel low clinker cement
(Student paper, others, 2019)Corrosion of reinforcement steel is a major deterioration mechanism for reinforced concrete structures. Corrosion can be caused by the carbonation of concrete. In this report we test the carbonation resistance of a novel ... -
Carbonation-induced corrosion: Investigation of the corrosion onset
(Journal article; Peer reviewed, 2018)There are different views in the literature on the relationship between the location of the carbonation front and the onset of reinforcement corrosion. Theoretically, corrosion starts when the carbonation front reaches the ... -
Cardiovascular models for personalised medicine: Where now and where next?
(Journal article, 2019)The aim of this position paper is to provide a brief overview of the current status of cardiovascular modelling and of the processes required and some of the challenges to be addressed to see wider exploitation in both ... -
Case study of a complex steel structure designed with AAD
(Master thesis, 2023)Algoritmebasert design (AAD) representerer en mellomting mellom ren programmering og direkte prosjektering. Metoden har mulighet til å hente det beste fra begge verdener. Ved å lage en eksplisitt arbeidsflyt får brukeren ... -
Casing design for geothermal wells at super critical conditions
(Master thesis, 2018)In this thesis, mechanisms governing the mechanical response of casing systems in high-temperature geothermal wells have been studied. To increase the efficiency of geothermal energy production it is desirable to produce ... -
Cathode Wear Based on Autopsy of a Shutdown Aluminium Electrolysis Cell
(Journal article; Peer reviewed, 2016)To investigate cathode wear, an autopsy of a shutdown aluminium electrolysis cell was conducted. The original lining consisted of a fully impregnated and graphitized carbon block and the cell was shut down after 2461 days ... -
Cathodic Protection of Marine Prestressed Concrete Bridges – Review of Case Studies
(Journal article; Peer reviewed, 2024)Reinforcement corrosion is the main deterioration mechanism in marine exposed reinforced concrete structures. Recent investigations show that not only the ordinary reinforcement, but also prestressed tendons might be ... -
Cement paste chemistry and its relation to concrete durability
(Doctoral theses at NTNU;2023:258, Doctoral thesis, 2023)