Recent Submissions

  • Field measurements on the behavior of brash ice 

    Bonath, Victoria; Zhaka, Vasiola; Sand, Bjørnar (Peer reviewed; Journal article, 2019)
    The behavior and properties of brash ice are important issues for the design of ice-going vessels. Heavy brash ice conditions may cause vessels to be dependent on ice-breaker assistance and time delays in the shipping ...
  • Mosideo/cirfa tank experiments on behavior and detection of oil in ice 

    Petrich, Christian; O'Sadnick, Megan Eileen; Brekke, Camilla; Myrnes, Marianne; Maus, Sønke; Salomon, Martina Lan; Woelk, Sofie; Grydeland, Tom; Jenssen, Rolf-Ole Rydeng; Eicken, Hajo; Oggier, Marc; Ferro-Famil, Laurent; Harkati, Lekhmissi; Rebane, Ott; Reimer, Nils (Peer reviewed; Journal article, 2019)
    In the Arctic, presence of sea ice presents a challenge to safe and sustainable operations. To optimize planning and minimize impact of inadvertent oil spills, oil-in-ice experiments were performed at the HSVA Arctic ...
  • Experimental study on shear deformation of reinforced concrete beams using digital image correlation 

    Huang, Zheng; Tu, Yongming; Meng, Shaoping; Sabau, Cristian; Popescu, Cosmin; Sas, Gabriel (Journal article; Peer reviewed, 2019)
    This paper presents an experimental program aimed at providing reliable and comprehensive experimental data for assessing the available models of predicting the shear deformation of diagonally-cracked reinforced concrete ...
  • Local and global behavior of walls with cut-out openings in multi-story reinforced concrete buildings 

    Sabau, Cristian; Popescu, Cosmin; Bagge, Niklas; Sas, Gabriel; Blanksvärd, Thomas; Täljsten, Björn (Journal article; Peer reviewed, 2019)
    This paper presents the finite element analysis (FEA) results of a multi-story reinforced concrete (RC) building having precast and cast-in-place load bearing walls. Door-type cut-out openings (height: 2.1 m, width: 0.9–4.4 ...
  • Mosideo/cirfa tank experiments on behavior and detection of oil in ice 

    Petrich, Christian; O'Sadnick, Megan Eileen; Brekke, Camilla; Myrnes, Marianne; Maus, Sønke; Salomon, Martina Lan; Woelk, Sofie; Grydeland, Tom; Jenssen, Rolf-Ole Rydeng; Eicken, Hajo; Oggier, Marc; Ferro-Famil, Laurent; Harkati, Lekhmissi; Rebane, Ott; Reimer, Nils (Peer reviewed; Journal article, 2019)
    In the Arctic, presence of sea ice presents a challenge to safe and sustainable operations. To optimize planning and minimize impact of inadvertent oil spills, oil-in-ice experiments were performed at the HSVA Arctic ...
  • A low-cost coastal buoy for ice and metocean measurements 

    Petrich, Christian; O'Sadnick, Megan Eileen; Kleven, Øystein; Sæther, Irina Vasiljeva (Peer reviewed; Journal article, 2019)
    Regionally, an ice cover in fjords of mainland Norway may form and break up repeatedly during winter. Due to relatively high water temperatures, the freeze-up process is expected to be related to freshwater-induced ...
  • The EU Horizon 2020 project GRACE: integrated oil spill response actions and environmental effects 

    Jørgensen, Kirsten S.; Kreutzer, Anne; Lehtonen, Kari; Kankaanpää, Harri; Rytkönen, Jorma; Wegeberg, Susse; Gustavson, Kim; Fritt-Rasmussen, Janne; Truu, Jaak; Kouts, Tarmo; Lilover, Madis-Jaak; Seiler, Thomas-Benjamin; Hollert, Henner; Johann, Sarah; Marigómez, Ionan; Soto, Manu; Lekube, Xabier; Jenssen, Bjørn Munro; Ciesielski, Tomasz Maciej; Wilms, Lonnie B.; Högström, Rune; Pirneskoski, Mika; Virtanen, Seppo; Forsman, Björn; Petrich, Christian; Dang, Nga Phuong; Wang, Feiyue (Peer reviewed; Journal article, 2019)
    This article introduces the EU Horizon 2020 research project GRACE (Integrated oil spill response actions and environmental effects), which focuses on a holistic approach towards investigating and understanding the hazardous ...
  • 3D reconstruction of existing concrete bridges using optical methods 

    Popescu, Cosmin; Täljsten, Björn; Blanksvärd, Thomas; Elfgren, Lennart (Peer reviewed; Journal article, 2019)
    Routine bridge inspections usually consist of visual observations. These inspections are time-consuming and subjective. There is a need to identify new inspection techniques for infrastructure that reduce traffic disturbance, ...
  • Structural health monitoring of a buttress dam using digital image correlation 

    Popescu, Cosmin; Sas, Gabriel; Arntsen, Bård (Chapter, 2019)
    In order to improve the knowledge of the real behaviour of existing structures,structural health monitoring (SHM) is usually carried out. Initial calculations of a buttress dam located in Norway has been carried out to ...
  • Laboratory In-situ Burns of Oil on Ice 

    Petrich, Christian; Dang, Nga Phuong; Fritt-Rasmussen, Janne; Gustavson, Kim (Chapter, 2018)
    Oil spills in ice-covered waters pose unique challenges to remediation activities. In-situ burning is a potential remediation technique that has shown promising efficiency in earlier trials. An element of arctic in-situ ...
  • Measurements to Estimate the Downward Heat Flux from a Burning Oil Pool 

    Petrich, Christian; O'Sadnick, Megan Eileen; Dang, Nga Phuong; Stakkeland, Linda Marie; Kristiansen, Steffen (Chapter, 2018)
    Oil spills in ice-covered waters pose unique challenges to remediation activities. In-situ burning is a potential remediation technique that has shown promising efficiency in earlier trials. An element of in-situ burning ...
  • Effect of Oil Pollution and Ice Formation on Microbial Community of Seawater from Ofotfjorden, Norway 

    Dang, Nga Phuong; Willassen, Nils Peder; O'Sadnick, Megan Eileen; Petrich, Christian (Chapter, 2018)
    Oil spill in ice-covered waters can become entrapped in sea ice and may be subjected to biodegradation by sea ice microorganisms. The extent of the hydrocarbon biodegradation, and microorganisms involved in such process ...
  • Observations of Ice Conditions and Properties in Norwegian Fjords during the Winter of 2018 and Implications for Oil Spill Response 

    O'Sadnick, Megan Eileen; Petrich, Christian; Kleven, Øystein; Brekke, Camilla; Skarðhamar, J.; Dang, Nga Phuong (Chapter, 2018)
    As the arctic opens to more development and increasing ship traffic, coastlines are at greater risk of oil pollution resulting from these operations. Fjords are one feature common throughout the arctic, with many dotting ...
  • An overview of trends and regional distribution of thermal ice loads on dams in Norway 

    Petrich, Christian; Arntsen, Bård (Chapter, 2018)
    Norway has over 3000 dams, over half of which are concrete dams [1]. Static ice loads are considered as part of dam design and during period safety review. They present a significant fraction of the total design load of ...
  • Winter concreting full-scale field trial of rock tower foundations 

    Petrich, Christian; Sæther, Irina Vasiljeva; Arntsen, Bård (Lecture, 2018)
    Winter concreting can be an attractive option for construction in remote areas where concerns about wildlife and soil integrity are prioritized. In order to minimize disturbance of wildlife and to be able to access remote ...
  • Review of FRCM strengthening solutions for structural wall panels 

    Sabau, Cristian; Popescu, Cosmin; Sas, Gabriel; Blanksvärd, Thomas; Täljsten, Björn (Chapter, 2018)
    This paper summarizes the state-of-the-art on the topic of structural wall panels strengthened using fabric reinforced cementitious matrix composites (FRCM) composites. A systematic review of the literature is carried out ...
  • Parametric Study on Masonry Arches Using 2D Discrete-Element Modeling 

    Pulatsu, Bora; Erdogmus, Ece; Bretas, Eduardo Martins (Journal article; Peer reviewed, 2018)
  • Polarimetric analysis of oil contaminated laboratory grown saltwater ice imaged by a ground based SAR 

    Myrnes, Marianne; Brekke, Camilla; Ferro-Famil, Laurent; Petrich, Christian (Peer reviewed; Journal article, 2018)
    In this paper we present preliminary experimental results from a ground based SAR system imaging artificially grown saltwater ice induced with crude oil. The data is acquired from a large scale laboratory experiment conducted ...
  • A multi-level strategy for successively improved structural analysis of existing concrete bridges:examination using a prestressed concrete bridge tested to failure 

    Bagge, Niklas; Plos, Mario; Popescu, Cosmin (Journal article; Peer reviewed, 2018)
    This paper describes a multi-level strategy with increased complexity through four levels of structural analysis of concrete bridges. The concept was developed to provide a procedure that supports enhanced assessments with ...
  • Morphology, internal structure and formation of ice ridges in the sea around Svalbard 

    Bonath, Victoria; Petrich, Christian; Sand, Bjørnar; Fransson, Lennart; Cwirzen, Andrzej (Journal article; Peer reviewed, 2018)
    The results from 3 years of comprehensive field investigations on first-year ice ridges in the Arctic are presented in this paper. The scopes of these investigations were to fill existing knowledge gaps on ice ridges, gain ...

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