Browsing NTNU Open by Author "Lauten, Rolf A"

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    • Bleeding and sedimentation of cement paste measured by hydrostatic pressure and Turbiscan 

      Peng, Ya; Lauten, Rolf A; Jacobsen, Stefan; Reknes, Kåre (Journal article; Peer reviewed, 2016)
      Sedimentation and bleeding of cement pastes with lignosulfonate were studied by visual observation, HYdroStatic Pressure Test (HYSPT) and Turbiscan measurements showing two bleeding stages: a fast initial phase followed ...

    • The effect of calcium lignosulfonate on ettringite formation in cement paste 

      Colombo, Alessia; Geiker, Mette Rica; Justnes, Harald; Lauten, Rolf A; De Weerdt, Klaartje (Journal article; Peer reviewed, 2018)
      The effect of a softwood calcium lignosulfonate, LSs, on the ettringite formed in cement paste was investigated. Two Portland cements, mainly differing in surface area and C3A content, were used. The effect of LSs addition ...