Search for dissertations about: "klorider"

Found 5 swedish dissertations containing the word klorider.

  1. 1. Chloride profiling in marine concrete - methods and tools for sampling

    University dissertation from Division of Building Materials, LTH, Lund University

    Author : Henrik Wall; Lund University.; Lunds universitet.; [2007]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; klorider; betong; provtagning; concrete; sampling; chloride;

    Abstract : This project focuses on how to determine the chloride content in concrete structures exposed to marine environment in an accurate way. When analyzing dust from dry drilling in concrete, it is very often a fact that the chloride profiles show extensive variations even if the sampling has been performed within a very concentrated area with the sampling points close to each other. READ MORE

  2. 2. Modelling of transport processes involved in service life prediction of concrete: important principles

    University dissertation from Division of Building Materials, LTH, Lund University

    Author : Björn Johannesson; Lund University.; Lunds universitet.; [1998]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Byggteknik; Civil engineering; teori; beräkningsmodeller; finita element; beständighet; betong; livslängd; nedbrytning; sprickor; deformationer; hållfasthet; korrosion; klorider; fukt; simulering; luftporer; adsorption; beräkningsmetoder; desorption;

    Abstract : The main focus in this licentiate thesis is a description of the environmentally introduced action of diffusing and chemically reactive (e.g. carbonation and chemical-physical adsorption-desorption) matter in the pore solution and in the air-filled space in the pore system of the material. READ MORE

  3. 3. Critical evaluation of factors affecting chloride initiated reinforcement corrosion in concrete

    University dissertation from Division of Building Materials, LTH, Lund University

    Author : Paul Sandberg; [1995]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; korrosion; forskningsbehov; beräkningsmodeller; provningsresultat; laboratorieförsök; litteraturstudier; klorider; översikter; vattenmiljö; armering; armerad betong; betong;

    Abstract : This licentiate study has been completed as a part of a larger experimental program "Durability of Reinforced Concrete Structures in Marine Environment" carried out in Sweden and Denmark. The aim of this work has been to identify and critically evaluate some major parameters influencing the onset of active reinforcement corrosion in concrete in marine environment. READ MORE

  4. 4. Hydrophobic Impregnation of Concrete Structures Effects on Concrete Properties

    University dissertation from Stockholm : KTH

    Author : Anders Selander; KTH.; [2010]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; hydrophobic impregnation; silane; siloxane; concrete; surface treatment; water repellent agent; building protection; impregnering; betong; silan; siloxan; ytbehandling; TECHNOLOGY Civil engineering and architecture; TEKNIKVETENSKAP Samhällsbyggnadsteknik och arkitektur;

    Abstract : Hydrophobic impregnations often referred to as water repellent agents, today mainly consisting of alkylalkoxysilanes, are often used on concrete to prolong the service life of the structure. This is accomplished by protecting the reinforcement bars from chlorides or by changing the moisture content inside. READ MORE

  5. 5. Atmospheric corrosion of zinc-aluminum and copper-based alloys in chloride-rich environments Microstructure, corrosion initiation, patina evolution and metal release

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : Xian Zhang; KTH.; [2014]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; atmospheric corrosion; chloride deposition; Zn-Al alloy coatings on steel microstructure; Cu sheet and Cu alloys; microstructure; corrosion initiation; corrosion product evolution; metal release; SEM; IRAS; CRM.; Kemi; Chemistry;

    Abstract : Fundamental understanding of atmospheric corrosion mechanisms requires an in-depth understanding on the dynamic interaction between corrosive constituents and metal/alloy surfaces. This doctoral study comprises field and laboratory investigations that assess atmospheric corrosion and metal release processes for two different groups of alloys exposed in chloride-rich environments. READ MORE