• 25 years of field exposure of pre-cracked concrete beams; combined impact of spacers and cracks on reinforcement corrosion 

      Geiker, Mette Rica; Danner, Tobias; Michel, Alexander; Belda Revert, Andres; Linderoth, Oskar; Hornbostel, Karla (Peer reviewed; Journal article, 2021)
      The state of corrosion of three pre-cracked concrete beams was investigated after 25 years of marine exposure (atmospheric, tidal and submerged). The influence of inadequate plastic spacers was found to overrule the possible ...
    • 5 years of in situ reinforcement corrosion monitoring in the splash and submerged zone of a cracked concrete element 

      Michel, Alexander; Sørensen, Henrik E.; Geiker, Mette Rica (Peer reviewed; Journal article, 2021)
      Results of more than 5 years of in situ reinforcement corrosion monitoring are presented including continuous measurements of concrete resistivity, temperature, and open circuit corrosion potential measurements. Depth ...
    • Durability aspects of cracks in concrete: field observations 

      Geiker, Mette Rica; Danner, Tobias; Hornbostel, Karla; Michel, Alexander (Chapter, 2019)
      The research presented in this paper briefly summarises findings from a project on impact of cracks on reinforcement corrosion within the Norwegian Public Roads Administration’s R&D program “Ferry-free coastal route E39”. ...
    • Durability of cracked SFRC exposed to wet-dry cycles of chlorides and carbon dioxide – Multiscale deterioration phenomena 

      Marcos-Meson, Victor; Geiker, Mette Rica; Fischer, Gregor; Solgaard, Anders; Jakobsen, Ulla Hjorth; Danner, Tobias; Edvardsen, Carola; Skovhus, T.L.; Michel, Alexander (Peer reviewed; Journal article, 2020)
      This paper describes an experimental study that comprised the exposure of cracked SFRC members to wet-dry cycles involving chloride and carbon-dioxide for two years. Results indicate that corrosion of steel fibres occurs ...
    • Durability testing of low clinker blends - chloride ingress in similar strength mortar exposed to seawater 

      Geiker, Mette Rica; De Weerdt, Klaartje; Ferreiro Garzón, Sergio; Jensen, Mads Mønster; Johannesson, Björn; Michel, Alexander (Chapter; Conference object; Peer reviewed, 2017)
      Resistance to chloride ingress of ten different binders was investigated. Most of the binders were prepared with 35% substitution of a new clinker by limestone filler, calcined clay, burnt shale and/or siliceous fly ash. ...
    • Limit states for sustainable reinforced concrete structures 

      Geiker, Mette Rica; Michel, Alexander; Stang, Henrik; Lepech, Michael (Journal article; Peer reviewed, 2019)
      Probability-based limit state design is a hallmark of modern civil engineering practice. Code requirements to meet both ultimate limit states (ULS) and serviceability limit states (SLS) have vastly improved the safety and ...
    • Microstructural changes and mass transport in cement-based materials: a modeling approach 

      Michel, Alexander; Marcos-Meson, Victor; Kunther, Wolfgang; Geiker, Mette Rica (Peer reviewed; Journal article, 2021)
      A generic modeling framework is presented to relate microstructural changes, i.e. changes in the pore volume distribution and phase assemblage, and mass transport in cement-based materials. The modeling framework accounts ...
    • Numerical modelling of moisture ingress in cracked concrete 

      Halvorsen, Håkon (Master thesis, 2017)
      Concrete is a construction material which service life can be significantly reduced with the presence of cracks when concrete is exposed to aggressive agents such as chlorides. The current service life models for concrete ...
    • Probabilistic Design of Sustainable Reinforced Concrete Infrastructure Repairs Using SIPmath 

      Zirps, Melissa; Lepech, Michael; Savage, Sam; Michel, Alexander; Stang, Henrik; Geiker, Mette Rica (Peer reviewed; Journal article, 2020)
      The design, construction, and operation of civil infrastructure that is more environmentally, socially, and economically responsible over its life cycle from extraction of raw materials to end of life is increasingly ...
    • Screening of Low Clinker Binders, Compressive Strength and Chloride Ingress 

      Geiker, Mette Rica; De Weerdt, Klaartje; Ferreiro Garzón, Sergio; Jensen, Mads Mønster; Johannesson, Björn; Michel, Alexander (Journal article; Peer reviewed, 2017)
      This paper reports an initial screening of potential new binders for concrete with reduced CO2- emission. Mortars cured saturated for 90 days are compared with regard to a) compressive strength of mortars with similar ...
    • The effect of the steel-concrete interface on chlorideinduced corrosion initiation in concrete: a critical review by RILEM TC 262-SCI 

      Angst, Ueli M; Geiker, Mette Rica; Alonso, Maria Cruz; Polder, Rob; Isgor, Burkan; Elsener, Bernhard; Wong, Hong; Michel, Alexander; Hornbostel, Karla; Gehlen, Christoph; Francois, Raoul; Sanchez, Mercedes; Criado, Maria; Sørensen, Henrik; Hansson, Carolyn M; Pillai, Radhakrishna; Mundra, Shishir; Gulikers, Joost; Raupach, Michael; Pacheco, José F.; Sagues, Alberto (Journal article; Peer reviewed, 2019)
      The steel–concrete interface (SCI) is known to influence corrosion of steel in concrete. However, due to the numerous factors affecting the SCI—including steel properties, concrete properties, execution, and exposure ...