Browsing TKD - Institutt for bygg- og energiteknikk by Author "Markeset, Gro"
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Bærekraftig bygging - En sammenligning av klimagassutslipp fra bæresystem i betong og massivtre
Hånde, Eldbjørg Aaraas; Persen, Maria (Bachelor thesis, 2020)Byggebransjen står i dag for en tredjedel av klimagassutslippet. Innen 2030 skal klimagassene reduseres med 40%. Byggebransjen er i stadig endring og utvikling. For å konkurrere om oppdragene er det nødvendig å holde seg ... -
Capacity of Concrete Structures with Corroded Reinforcement and Prestressing Tendons
Sigvaldsen, Marie; Ersdal, Gerhard; Markeset, Gro; Samarakoon, Mudiyansele Samindi Manjula K; Langeteig, Magne (IOP Conference Series: Materials Science and Engineering;Volume 1201, Third Conference of Computational Methods & Ocean Technology (COTech 2021), Stavanger, Norway and Second Conference of Oil & Gas Technologies in Cold Climate (OGTech 2021) 25th-26th November 2021, Moscow, Russia, Peer reviewed; Journal article, 2021)The main degradation mechanism for concrete structures is corrosion of the reinforcement and prestressing tendons. Management of structures with such degradation requires detailed understanding of their remaining strength ... -
Challenges related to structural modelling and assessment of concrete structures affected by alkali-silica reactions
Kongshaug, Simen Sørgaard; Kanstad, Terje; Hendriks, Max; Kioumarsi, Mahdi; Markeset, Gro (Journal article; Peer reviewed, 2017)Alkali-Silica Reaction (ASR) in concrete is a chemical process between dissolved alkali and hydroxyl ions from pore solutions in the cement paste, and reactive (amorphous) silica within the aggregates. The product of the ... -
Durability of pretensioned concrete girders in coastal climate bridges: Basis for better maintenance and future design
Paciorek, Magdalena Jadwiga; Kanstad, Terje; Hendriks, Max; Hornbostel, Karla; Markeset, Gro (Structural Concrete;Volume 20, Issue 6, December 2019, Journal article; Peer reviewed, 2019-07-30)This study was based on findings from the Norwegian Public Roads Administration's Bridge Management System and field investigations on corrosion damage in pretensioned Norwegian standard I-beam (NIB) girders in 227 coastal ... -
Educational Challenges in Computer-based Finite Element Analysis and Design of structures
Plevris, Vagelis; Markeset, Gro (Journal of Computer Science;Volume 14, Issue 10, Journal article; Peer reviewed, 2018-10-26)Computer simulations and computational methods, such as the Finite Element Analysis (FEA) have become essential methodologies in science and engineering during the last decades, in a wide variety of academic fields. Six ... -
Effect of pit distance on failure probability of corroded RC beam
Kioumarsi, Mahdi; Markeset, Gro; Hooshmandi, Sheida (Peer reviewed; Journal article, 2017)The present paper studies effect of the variation of pit distance on structural reliability of a reinforced concrete (RC) beam, with particular emphasis on the interference of localized corrosion on adjacent tensile rebars. ... -
The effect of reinforcement corrosion on the structural behaviour of prestressed bridges in the Norwegian coastal regions
Paciorek, Magda; Kanstad, Terje; Hendriks, Max; Kioumarsi, Mahdi; Markeset, Gro (Journal article; Peer reviewed, 2017)Prestressed concrete (PC) is one of the main structural materials used in Norway for bridge structures. Prestressed and precast concrete beams were even used for building the historical Atlantic Road, which has the status ... -
Experimental investigation of ASR-affected concrete – The influence of uniaxial loading on the evolution of mechanical properties, expansion and damage indices
Kongshaug, Simen Sørgaard; Oseland, Oddbjørn Wathne; Kanstad, Terje; Hendriks, Max; Rodum, Eva; Markeset, Gro (Construction and Building Materials;Volume 245, 10 June 2020, 118384, Journal article; Peer reviewed, 2020-02-19)The alkali silica reaction (ASR) in concrete causes internal localized swelling and micro cracking, which result in expansion and correlated deterioration of the concrete material. The stress state of the concrete is known ... -
Inspection and Assessment of Corrosion in Pretensioned Concrete Bridge Girders Exposed to Coastal Climate
Osmolska, Magdalena Jadwiga; Hornbostel, Karla; Kanstad, Terje; Hendriks, Max; Markeset, Gro (Infrastructures; Volume 5 / Issue 9, Journal article; Peer reviewed, 2020-09-17)he most common methods for detecting chloride-induced corrosion in concrete bridges are half-cell potential (HCP) mapping, electrical resistivity (ER) measurements, and chloride concentration testing, combined with visual ... -
Literature review of masonry structures under earthquake excitation utilizing machine learning algorithms
Plevris, Vagelis; Bakas, Nikos; Markeset, Gro; Bellos, John (Chapter; Peer reviewed, 2017)This work aims to analyze and reveal critical features of the papers published since 1990 on the topic of masonry structures under earthquake loading. In particular, detailed information for nearly three ... -
Load effects in reinforced concrete beam bridges affected by alkali–silica reaction—Constitutive modelling including expansion, cracking, creep and crushing
Kongshaug, Simen Sørgaard; Larssen, Rolf Magne; Hendriks, Max; Markeset, Gro; Kanstad, Terje (Engineering structures;Volume 245, 15 October 2021, 112945, Peer reviewed; Journal article, 2021-08-13)Material modelling, from the micro to the macro level, of concrete affected by alkali–silica reaction (ASR) has been devoted a lot of research. However, the application of the material models in structural analyses of ... -
Need for further development in service life modelling of concrete structures in chloride environment
Markeset, Gro; Kioumarsi, Mahdi (Journal article; Peer reviewed; Journal article, 2016)Designing concrete structures for a very long service life may have considerable economic and societ al benefits including minimized material co nsumption over the long term , thus contribute ... -
Nonlinear FEM Simulation of Structural Performance of CorrodedRC Columns subjected to Axial Compression
Li, Jiabin; Markeset, Gro; Kioumarsi, Mahdi (Journal article; Peer reviewed, 2017)This paper presents a numerical model for predicting the behaviour of reinforced concrete (RC) columns with corroded reinforcing steel subjected to axial compression. The influence of the steel corrosion on the mechanical ... -
Time dependent chloride diffusion coefficient : field studies of concrete exposed to marine environment in Norway
Markeset, Gro; Skjølsvold, Ola (International Symposium on Service Life Design for Infrastructure;2010, Chapter; Peer reviewed, 2010)The apparent chloride diffusion coefficient derived by evaluating chloride profiles using Fick’s 2nd law of diffusion is found to be time dependent and may decrease considerably with increasing age of the concrete. In ... -
Toward identifying the ASR-induced stresses from displacement measurements and crack observations—Demonstration on a beam bridge in Norway
Kongshaug, Simen Sørgaard; Markeset, Gro; Kanstad, Terje; Hendriks, Max (Engineering structures;Volume 263, 15 July 2022, 114337, Peer reviewed; Journal article, 2022-05-24)Alkali–silica reaction (ASR) in concrete causes expansion and degradation of the material, which might give adverse structural consequences. From the structural engineer point view, the greatest concern is if ASR leads to ...