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Early age autogenous shrinkage cracking risk of an ultra-high performance concrete (UHPC) wall: Modelling and experimental results
(Peer reviewed; Journal article, 2021)Ultra-High Performance Concrete (UHPC) exhibits high autogenous shrinkage (AS) which significantly increases the risk of early age cracking. To predict the risks of early age shrinkage cracking of environmentally friendly ... -
Early age crack assessment of concrete structures Experimental investigation of decisive parameters
(Doctoral theses at NTNU;NTNU, 2016:256, Doctoral thesis, 2016)Concrete in the hardening phase is subjected to volume changes caused by thermal dilation and autogenous deformation. If these volume changes are restrained they may lead to cracking and further to functionality-, durability, ... -
Early age crack assessment of concrete structures: Experimental and theoretical approaches
(Chapter, 2017)The present paper contains a brief overview of work performed within the Ph.D. thesis "Crack assessment of concrete structures: experimental investigation of decisive parameters" (2010 – 2016). The main objective of the ... -
Early age impacts of CO2 activation on the tricalcium silicate and cement systems
(Peer reviewed; Journal article, 2022)The early-age impacts of CO2 activation (using a dose of 0.3% CO2 by weight of cement) on two binder systems (tricalcium silicate and cement) were studied, principally across the first 3 h of hydration. The investigation ... -
Earthquake Analysis of Concrete Gravity Dams: Review and Modernization of Two Analysis Procedures
(Master thesis, 2013)A two-stage procedure has been proposed for the elastic analysis phase of seismic design and safety evaluation of concrete gravity dams: (1) response spectrum analysis (RSA) in which the peak value of response is estimated ... -
Earthquake analysis of structures using nonlinear models
(Master thesis, 2015)Throughout the governing design codes, several different methods are presented for the evaluation of seismic problems. This thesis assesses the non-linear static and dynamic procedures presented in EN 1998-1 through the ... -
Earthquake Geotechnics in Offshore Engineering
(Chapter, 2018)This paper presents a number of geotechnical issues encountered in earthquake design of offshore structures and subsea facilities. Parallel with construction of traditional structures such as jackets and gravity-based ... -
Earthquake Induced Behavior of Submerged Floating Tunnels with Tension Leg Anchorage
(Master thesis, 2013)SUMMARY:The purpose of this study is to examine the behavior of a submerged floating tunnel (SFT) anchored by tension legs and subjected to seismic excitation. A proposal of a tunnel crossing the Høgsfjord in Norway is ... -
Earthquake response of bridges supported by vertical and batter piles accounting for nonlinear soil-structure interaction
(Doctoral theses at NTNU;2023:197, Doctoral thesis, 2023)Around the world, large structures such as bridges, harbours and skyscrapers, are built in areas where the seismic risk is relatively high. In many cases, these structures are supported by deep foundations due to overlaying ... -
Earthquake response of offshore wind turbines including nonlinear soil-structure interaction
(Master thesis, 2022)Langt fra kysten er fralandsvinden rikelig og renere i forhold til på land, da det unngår hindringer som bakker, bygninger og andre menneskelige aktiviterer. Men jo lenger unna kysten offshore vindturbinene (OWT) bygges, ... -
Effect of adding sequence of air-entraining and water-reducing agents on macro-porosity and air-void stability of concrete. AVA measurements
(Master thesis, 2017)Frost resistance is an important part of Concrete Technology in Northern countries, especially with increasing interest of Fly Ash as a binder product more knowledge of this topic is desired. Nowadays concrete is mixed ... -
Effect of AEA-SP dosage sequence on air content and air void structure in fresh and hardened fly ash mortar
(Chapter; Peer reviewed, 2017)Laboratory measurements show that varying the dosage sequence of air-entraining agent and copolymer in the mix (SP added before, after or together with AEA) greatly affects air entrainment in fresh and hardened fly ash ... -
Effect of AEA-SP Dosage Sequence on Air Entrainment in FA Concrete
(Journal article; Peer reviewed, 2019)Laboratory measurements show that varying the dosage sequence of air-entraining agent and co-polymer in the mix (SP added before, after or together with AEA) greatly affects air entrainment in fresh and hardened fly ash ... -
Effect of alkali hydroxide on calcium silicate hydrate (C-S-H)
(Peer reviewed; Journal article, 2022)This paper investigates the effect of KOH and NaOH on C-S-H structure and solubility. Both KOH and NaOH have a similar effect, they increase pH values and silicon concentrations, and decrease calcium concentrations. At ... -
Effect of amorphization-mediated plasticity on the hydrogen-void interaction in ideal lattices under hydrostatic tension
(Journal article; Peer reviewed, 2018)A thermodynamic model is derived to study the void nucleation in ideal lattices under hydrostatic tension loading and predicts that the plasticity has to be initiated before homogeneous nucleation of voids. Molecular ... -
Effect of boundary conditions and connection modelling in a nonlinear finite element analysis of a concrete dam
(Master thesis, 2019)Målet med denne masteroppgaven er å vurdere viktigheten av realistisk modellering av randbetingelser og kontakt i en ikkelineær elementanalyse av en damkonstruksjon i betong. Dette er utført ved å etablere fire elementmodeller ... -
Effect of boundary conditions and connection modelling in a nonlinear finite element analysis of a concrete dam
(Master thesis, 2019)Målet med denne masteroppgaven er å vurdere viktigheten av realistisk modellering av randbetingelser og kontakt i en ikkelineær elementanalyse av en damkonstruksjon i betong. Dette er utført ved å etablere fire elementmodeller ... -
Effect of chain architecture on the compression behavior of nanoscale polyethylene particles
(Journal article; Peer reviewed, 2013)Polymeric particles with controlled internal molecular architectures play an important role as constituents in many composite materials for a number of emerging applications. In this study, classical molecular dynamics ... -
The effect of constituent particles on the tear resistance of three 6000-series aluminium alloys
(Peer reviewed; Journal article, 2022)This paper investigates the tear resistance of three cast and homogenized 6000-series alloys, namely AA6061, AA6063 and AA6110, all in temper T6, by means of Kahn tear tests. Of each alloy one commercial version and one ... -
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 ...