Browsing Institutt for konstruksjonsteknikk by Title

Now showing items 2214-2233 of 2463

    • Submerged floating tunnels in concrete exposed to blast loading 

      Kristiansen, Eirik Aas (Master thesis, 2019)
      Denne oppgaven presenterer arbeidet utført med å undersøke hvor godt numeriske verktøy er i stand til å simulere oppførselen til betongrør utsatt for en indre eksplosjonslast. En neddykket rørbru har blitt foreslått som ...

    • Submerged floating tunnels subjected to internal blast loading 

      Haug, Sondre Rydtun; Osnes, Karoline (Master thesis, 2015)
      Design of structures against blast loading is of great importance and has received a lot of attention in recent years. The Norwegian Public Road Administration (NPRA) are currently investigating the potential for eliminating ...

    • Substrate slip steps promote cracking and buckling of thin brittle film 

      Guo, Tao; Pang, Xiaolu; He, Jianying; Zhang, Zhiliang; qiao, lijie (Journal article; Peer reviewed, 2019)
      Cracking and buckling are the two major failure phenomena of brittle film/metal substrate structures. Herein, by depositing titanium nitride brittle films with strong and poor adhesion on stainless steel substrates, we ...

    • Sulfate resistance of calcined clay – Limestone – Portland cements 

      Shi, Zhenguo; Ferreiro, Sergio; Lothenbach, Barbara; Geiker, Mette Rica; Kunther, Wolfgang; Kaufmann, Josef; Herforth, Duncan; Skibsted, Jørgen (Journal article; Peer reviewed, 2019)
      Calcined clays emerge as a promising source of supplementary cementitious material, which can provide a significant lowering of the Portland clinker content in blended cements. This study focusses on sulfate resistance of ...

    • Sulfuric acid and citric acid attack of calcium sulfoaluminate-based binders 

      Damion, Tom; Cepuritis, Rolands; Chaunsali, Piyush (Peer reviewed; Journal article, 2022)
      Calcium sulfoaluminate (CSA) cement-based binders are low CO2 binders which exhibit rapid hardening or shrinkage compensating characteristics. Due to their unique properties, they have potential to be used in concrete ...

    • Supergiant elasticity and fracture of 3D spirally wound MoS2 

      Wu, Jianyang; He, Jianying; Ariza, Pilar; Ortiz, Michael; Zhang, Zhiliang (Peer reviewed; Journal article, 2020)
      Recently experimentally synthesized three-dimensional (3D) MoS2 spiral is a new kind of helical structure with technically robust properties. Among them, the mechanical properties of such appealing materials are indispensable ...

    • Superhydrophobic Anti-Ice Nanocoatings 

      Knausgård, Kjetil (Master thesis, 2012)
      Atmospheric icing from supercooled droplets in the atmosphere can have catastrophic consequences for a number of man-made structures in regions with cold climate and at high altitude, resulting in accidents with both ...

    • Surface Pressure Reconstruction in Shock Tube Tests Using the Virtual Fields Method 

      Kaufmann, Rene; Fagerholt, Egil; Aune, Vegard (Chapter, 2022)
      This study investigates full-field, dynamic pressure reconstruction during shock-structure interactions using optical measurements and the virtual fields method (VFM). Shock wave impacts pose severe challenges to experimental ...

    • Surface Pressure Reconstruction in Shock Tube Tests Using the Virtual Fields Method 

      Kaufmann, Rene; Fagerholt, Egil; Aune, Vegard (Chapter, 2022)
      This study investigates full-field, dynamic pressure reconstruction during shock-structure interactions using optical measurements and the virtual fields method (VFM). Shock wave impacts pose severe challenges to experimental ...

    • Surface Wrinkling with Memory for Programming Adhesion and Wettability 

      Wang, Feng; Xiao, Senbo; Luo, Sihai; Fu, Yuequn; Skallerud, Bjørn Helge; Kristiansen, Helge; cui, mengkui; zhong, chao; Liu, Siqi; Zhuo, Yizhi; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2023)
      Modulating surface wrinkling is important for a variety of engineering applications. It has been known for more than two decades that the wavelength of surface wrinkles occurring in a metal film–soft polymer system scales ...

    • A Surfactant for Enhanced Heavy Oil Recovery in Carbonate Reservoirs in High-Salinity and High-Temperature Conditions 

      Fu, Yuequn (Peer reviewed; Journal article, 2020)
      In view of the difficulty of producing heavy oil from carbonate reservoirs, the surfactant SDY-1 was synthesized by homogeneous solution polymerization with a homogeneous solution polymerization technique using aliphatic ...

    • Svingninger fra virvelavløsning på broer 

      Bones, Øyvind Matheson (Master thesis, 2009)

    • Swelling of a hemi-ellipsoidal ionic hydrogel for determination of material properties of deposited thin polymer films: an inverse finite element approach 

      Prot, Victorien Emile; Sveinsson, Hrafn Mar; Gawel, Kamila; Gao, Ming; Skallerud, Bjørn Helge; Stokke, Bjørn Torger (Journal article; Peer reviewed, 2013)
      Selective deposition of polymers at the surface of an ionic hydrogel is conventionally used to tailor properties of the composite material for application in for instance drug release and cell encapsulation. Here we describe ...

    • Synthesis of alkali-silica reaction product structurally identical to that formed in field concrete 

      Shi, Zhenguo; Leemann, Andreas; Rentsch, Daniel; Lothenbach, Barbara (Peer reviewed; Journal article, 2020)
      Alkali-silica reaction (ASR) can cause expansion and cracking of concrete. Despite significant progress over the past 80 years, the molecular structures of the ASR products remain poorly understood. These reaction products ...

    • Synthesis, characterization, and thermodynamic study of selected K-based zeolites 

      Ma, Bin; Lothenbach, Barbara (Peer reviewed; Journal article, 2021)
      Potassium-rich zeolites often occur in cementitious systems, as K+ is widespread in various cementitious materials, such as Portland, blended and alkali-activated cements. The knowledge of their stability and of thermodynamic ...

    • Synthesis, characterization, and thermodynamic study of selected Na-based zeolites 

      Ma, Bin; Lothenbach, Barbara (Peer reviewed; Journal article, 2020)
      Zeolites are crystalline aluminosilicates with three-dimensional framework structures that can form in alkali-activated cements, Roman cements, and the interaction zone of cements and clays. However, their stability domains ...

    • System identification of the Hardanger Bridge using enhanced frequency domain decomposition 

      Hamang, Kristian (Master thesis, 2015)
      The Norwegian Public Roads Administration is commissioned to investigate feasible alternatives to eight ferry crossings along E39, located on the western coast of Norway. The most challenging crossing is the Sognefjord, ...

    • Systematic Metadata Analysis of Wind-Exposed Long-Span Bridges for Road Vehicle Safety Assessments 

      Reymert, Sebastian; Rønnquist, Anders; Øiseth, Ole Andre (Journal article; Peer reviewed, 2022)

    • Søylefotpunkt 

      Rønningen, Knut Einar (Master thesis, 2010)
      Denne oppgaven omhandler søylefotforbindelser i stålkonstruksjoner. Det er sett på kapasitets- og stivhetsformler for søyleføtter som står i knutepunktstandarden NS-EN 1993-1-8. Denne standarden klassifiserer knutepunkt ...

    • Søylefotpunkter 

      Dalen, Edgar; Wåsjø, Kasper (Master thesis, 2010)
      Knutepunktsstandarden, Eurokode 3-1-8, gir regler for å beregne kapasitet og stivhet til et knutepunkt. Disse reglene baserer seg på komponentmetoden, der knutepunktet blir delt inn i flere basiskomponenter, og kapasitet ...