Blar i Institutt for konstruksjonsteknikk på tittel

Viser treff 2007-2026 av 2483

    • Reaction mechanisms of wood ash for use as a partial cement replacement 

      Sigvardsen, Nina Marie; Geiker, Mette Rica; Ottosen, Lisbeth M. (Peer reviewed; Journal article, 2021)
      An increase in the produced amounts of wood ashes (WAs) is seen worldwide. In this study, the potential use of two representative WAs as a partial cement replacement is investigated. The WAs originate from combustion of ...

    • Reactivity tests for supplementary cementitious materials: RILEM TC 267-TRM phase 1 

      Li, Xuerun; Snellings, Ruben; Antoni, Mathieu; Alderete, Natalia Mariel; Ben Haha, Mohsen; Bishnoi, Shashank; Cizer, Özlem; Cyr, Martin; De Weerdt, Klaartje; Dhandapani, Yuvaraj; Duchesne, Josée; Haufe, Johannes; Hooton, Doug; Juenger, Maria; Kamali-Bernard, Siham; Kramar, Sabina; Marroccoli, Milena; Joseph, Aneeta Mary; Parashar, Anuj; Patapy, Cedric; Provis, John L.; Sabio, Sergio; Santhanam, Manu; Steger, Laurent; Sui, Tongbo; Telesca, Antonio; Vollpracht, Anya; Vargas, Felipe; Walkley, Brant; Winnefeld, Frank; Ye, Guang; Zajac, Maciej; Zhang, Shizhe; Scrivener, Karen L. (Journal article; Peer reviewed, 2018)
      A primary aim of RILEM TC 267-TRM: “Tests for Reactivity of Supplementary Cementitious Materials (SCMs)” is to compare and evaluate the performance of conventional and novel SCM reactivity test methods across a wide range ...

    • Reassessment of the integrity of a partially failed glulam structure 

      Volnes, Christoffer (Master thesis, 2014)
      Background: This study will seek to determine if the partial failure ofa glulam roof in 2011 was only due to a measured accidental overload of1,6kN/m^2 more than planned for in the design, and also whether the sur-viving ...

    • RECOLO: A Python package for the reconstruction of surface pressure loads from kinematic fields using the virtual fields method 

      Olufsen, Sindre Nordmark; Kafumann, Rene; Fagerholt, Egil; Aune, Vegard (Peer reviewed; Journal article, 2022)

    • Recommendations of RILEM TC 287-CCS: thermo-chemo-mechanical modelling of massive concrete structures towards cracking risk assessment 

      Azenha, Miguel; Kanavaris, Fragkoulis; Schlicke, Dirk; Jędrzejewska, Agnieszka; Benboudjema, Farid; Honorio, Tulio; Šmilauer, Vít; Serra, Carlos; Forth, John; Riding, Kyle; Khadka, Binod; Sousa, Carlos; Briffaut, Matthieu; Lacarrière, Laurie; Koenders, Eduardus; Kanstad, Terje; Klausen, Anja Birgitta Estensen; Torrenti, Jean-Michel; Fairbairn, Eduardo M. R. (Peer reviewed; Journal article, 2021)
      These recommendations have been prepared by the corresponding working group within RILEM TC 287-CCS “Early-age and long-term crack width analysis in RC structures”, following work by the previously ceased RILEM TC 254-CMS ...

    • Recommended practice for reporting experimental data produced from studies on corrosion of steel in cementitious systems 

      Isgor, O. Burkan; Angst, Ueli M; Geiker, Mette Rica; Halmen, Ceki; Hansson, Carolyn M; Pacheco, José F.; Tepke, David; Trejo, David; Vaddey, Naga Pavan (Journal article; Peer reviewed, 2019)
      Experience has shown that many aspects of experimental design for studying steel corrosion in cementitious systems may significantly influence the obtained results. In the absence of standardized methods to study steel ...

    • Reconfigurable Mechanical Anisotropy in Self-Assembled Magnetic Superstructures 

      Håkonsen, Verner; Singh, Gurvinder; De Toro, Jose Angel; Normile, Peter S; Wahlström, Erik; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2021)
      Enhancement of mechanical properties in self-assembled superstructures of magnetic nanoparticles is a new emerging aspect of their remarkable collective behavior. However, how magnetic interactions modulate mechanical ...

    • Reconstruction of surface pressures on flat plates impacted by blast waves using the Virtual Fields Method 

      Kaufmann, Rene; Olufsen, Sindre Nordmark; Fagerholt, Egil; Aune, Vegard (Peer reviewed; Journal article, 2023)
      An accurate description of surface pressure loads imposed by blast waves is crucial for the design of the next generation of blast-resistant structures. However, experimental techniques for non-intrusive, full-field surface ...

    • Reduced order modelling for linear elastic problems with geometric variation 

      Palm, Tor Eivind (Master thesis, 2019)
      Formålet med denne oppgaven er å undersøke bruken av reduserte modeller for å løse parametriske partielle differensialligninger. Dette vil bli gjort ved å konstruere og analysere reduserte modeller innen konstruksjonsmekanikk ...

    • REDWIN – REDucing cost in offshore WINd by integrated structural and geotechnical design 

      Skau, Kristoffer Skjolden; Page, Ana M.; Kaynia, Amir M.; Løvholt, Finn; Norén-Cosgriff, Karin; Sturm, Hendrik; Andersen, H.S.; Nygaard, Tor Anders; Jostad, Hans Petter; Eiksund, Gudmund Reidar; Havmøller, O.; Strøm, P.; Eichler, D. (Journal article; Peer reviewed, 2018)
      The cost of offshore wind energy production has to be reduced continuously to improve its competitiveness compared to other energy sources. To contribute to this goal, a 4- year research project REDWIN – REDucing cost of ...

    • Rehabilitation of Cableway posts, Longyearbyen 

      Enevoldsen, Kristin (Master thesis, 2022)
      Taubanebukkene formidler byens gruvehistorie og er kategorisert som kulturminner. Grunnet varmere klima vil temperaturene i bakken øke og det aktive laget nå dypere. Dette fører til økte setninger og deformasjoner når ...

    • Reinforcement corrosion in carbonated fly ash concrete 

      Revert, Andres Belda (Doctoral theses at NTNU;2018:230, Doctoral thesis, 2018)
      The cement industry contributes about 8% of the anthropogenic CO2 emissions, partly due to large consumption of cement and the emissions associated with the production (for Portland cement (PC) approximately 800 kg/t). One ...

    • The relation between grain boundary precipitate formation and adjacent grain orientations in Al-Mg-Si(-Cu) alloys 

      Marioara, Calin Daniel; Børvik, Tore; Hopperstad, Odd Sture (Peer reviewed; Journal article, 2021)
      The occurrence of grain boundary precipitates was investigated with respect to the crystallographic orientation of the adjacent grains in extruded AA6110, AA6063 and AA6061 alloys brought to T6 temper. It was found that ...

    • Relation between porosity and compressive strength in mortars with novel SCMs cured at different temperatures 

      Omdal, Helene; Hallerud, Caroline Kronstrand (Master thesis, 2021)

    • Relative humidity measurements in concrete 

      Hepsøe, Per Martin (Master thesis, 2017)
      A commonly used way to monitor the concrete s moisture condition is to measure Relative humidity (RH). Measuring relative RH in concrete, and understanding the underlying mechanisms are complex tasks. Field measurements ...

    • Reliability Analysis of Reinforced Concrete using Non-Linear Finite Element Analysis 

      Henriksen, Erlend Knudsen; Bjerva, Mats Gruber Bech; Lindgren, Guro; Afzal, Noman (Master thesis, 2016)
      The purpose of the thesis is to investigate methods that may be used for assessing the reliability in large concrete structures in combination with non-linear nite element analyses (NLFEA). Reliability methods are applied ...

    • Reliability Assessment of Long Span Suspension Bridges Subjected to Dead Loads 

      Antonsen, Kristin (Master thesis, 2016)
      In the present study the influence of standardized safety factors in large and heavy structures, where the major loading arises from self-weight of the structure itself, is considered. For this purpose, a reliability ...

    • Reliability assessments of concrete structures using non-linear finite element analyses 

      Strand, Arne; Eklund, Hanna; Skorve, Astrid (Master thesis, 2017)
      Reliability assessment of slender concrete columns using Non-linear finite element analysis (NLFEA) is studied in this thesis. Several reliability methods in combination with NLFEA are applied and discussed to assess the ...

    • Repair Options for Corrosion-damaged Prestressed Concrete Structures 

      Sharma, Suraksha; Osmolska, Magdalena Jadwiga; Hornbostel, Karla; Bathen, Lise; Novakova, Iveta; Geiker, Mette Rica (Peer reviewed; Journal article, 2024)
      Prestressing of bridges allows construction of long spanned bridges made from thin structural members with high flexural and shear capacity. Studies have shown that some of the existing prestressed bridges are not meeting ...

    • Repeatability in a multiphase pipe flow case study 

      Strand, Andreas; Brekken, Christian; Leinan, Paul Roger; Steinsland, Ingelin; Hellevik, Leif Rune (Peer reviewed; Journal article, 2021)
      A high degree of repeatability is most often an underlying assumption for research and development based on multiphase flow experiments. In this paper repeatability in multiphase flow experiments are studied through an ...