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  • 1.
    Puig von Friesen, Marc
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Klimatisering och installationsteknik.
    Arinder, Pernilla
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Food and Bioscience, Microbiology.
    Lundin, Maria
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Life Science.
    Yarahmadi, Nazdaneh
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Rörcentrum.
    Kjellin, Mikael
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Life Science.
    Kurkinen, Eva-Lotta
    Byggnadsfysik och innemiljö (ETi ).
    Thörnblom, Kristian
    Göteborg (BMg).
    Säkerställa vattenkvalitet vid 45˚C med avseende på Legionella: En förstudie för innovationsupphandling2014Report (Refereed)
  • 2.
    Sjöstrand, Karin
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Rörcentrum.
    Ernits, Heiti
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Systemanalys.
    Kempe, Marcus
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Mätteknik, Elektricitet.
    Norefjäll, Fredric
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Systemanalys.
    Realtidssensorer för urbant dagvatten2014Report (Refereed)
  • 3.
    Sjöstrand, Karin
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Rörcentrum.
    Kärrman, Erik
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Urban Water Management.
    InnoVa – Innovationer i områden med vattenbrist2014Report (Refereed)
  • 4.
    Sjöstrand, Karin
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Rörcentrum.
    Virgin, H
    Pirzadeh, P
    Thulin Olander, H
    Dahlqvist, P
    Sverige måste bli bättre på att kontrollera dricksvattnet2014In: Dagens Nyheter, no 2014-01-02Article in journal (Other (popular science, discussion, etc.))
  • 5.
    Sjöstrand, Karin
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Rörcentrum.
    Yarahmadi, Nazdaneh
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Rörcentrum.
    Kärrman, Erik
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Urban Water Management.
    Metod för val av vattenförsörjning i områden med vattenbrist: en handbok2014Report (Refereed)
  • 6.
    Sällström, Jan Henrik
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Rörcentrum.
    Statusbedömning av fjärrvärmerörsystem2012Report (Refereed)
  • 7.
    Sällström, Jan Henrik
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Rörcentrum.
    Larsson, Jörgen
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Tillförlitlighet och Livslängd.
    Sandström, Johan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Tillförlitlighet och Livslängd.
    Stormwater boxes - aspects on verification, simulation and installa2014Report (Refereed)
  • 8.
    Sällström, Jan Henrik
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Rörcentrum.
    Sällberg, Sven-Erik
    SP - Sveriges Tekniska Forskningsinstitut / Göteborg (BMg).
    Ramnäs, O
    Status assessments of district heating pipes2012Conference paper (Refereed)
    Abstract [en]

    Large parts of the existing pre-fabricated district heating pipe networks are close to reaching their technical life. There is a need to assess the status of the district heating pipes in order to plan maintenance and replacements of pipes. A first step towards developing a simple and cheap method for technical status assessments of existing pipes without shutting the pipes down has been taken. The proposed mechanical field method is based on that the district heating pipes are uncovered and cylindrical samples still attached to the service pipes are created by removing material around them by use of hole drills. Laboratory equipment for pulling or turning the cylindrical samples off, while measuring load and deformation, has been developed.

  • 9.
    Sällström, Jan Henrik
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Rörcentrum.
    Thörnblom, Kristian
    SP - Sveriges Tekniska Forskningsinstitut / Göteborg (BMg).
    Andersson, Hans
    SP - Sveriges Tekniska Forskningsinstitut / Hållfasthet (BMh).
    Bolin, Lisa
    SP - Sveriges Tekniska Forskningsinstitut / Energiteknik (ET).
    Minskning av risken för skador på gasledningar genom djupförläggning och användandet av grävskydd (Reducing the risks for gas pipe damages through deep digging and the use of protective plates)2013Report (Refereed)
    Abstract [sv]

    This report concerns part 2 of a project with the aim to propose protective measures for cables and pipelines for bio and natural gas. Part 1 was previously reported in SGC Rapport 2011:239. The wish is to be able to increase the pressure in the distribution networks from 4 to 10 bar without having to retain the safety distances valid for 80 bar pipelines. Polymer, concrete and steel protective plates, and deep digging are the physical measures considered. In part 1 a survey was made, in part by an enquiry, of the frequency, causes and consequences of incidents where pipelines were hit by excavators. Further, the rules and standards were investigated in countries where 7–10 bar pipelines are already in service. Here, in part 2 the perspective was widened to include, apart from gas pipelines, also all kinds of buried pipelines and cables. Now a visit to a supplier in France is reported, as well as an vestigation of costs and environmental impacts of the different protective measures, and an analysis of the strength of protective plates and of how they can best be positioned in the ground in relationship to the pipeline. The main result from the study visit to France was that new regulations mean that both new and existing pipelines have to be satisfactorily protected. For the physical point of view these plastic protective plates play an important part, and there are commercially available building systems of plates for which the strength and durability have been verified by tests. In the full scale experiments done in, e.g., France, it can be concluded that the plastic (HDPE) plates can wit stand high loads which are applied by use of a bucket with teeth mounted on an excavator. In some cases penetration of teeth occurs, but the plates will in that case either come up and alert the operator or stay in the ground and still protect the buried cable or pipeline. Concrete plate can also break, but the pieces are held together by the steel reinforcement. The analysis of costs and environmental impacts shows that plastic plates are preferred with regard to both aspects. In addition they have a very good signalling effect being produced in a bright yellow colour. Also deep digging can be effective taking into account costs and environmental aspects, but the risk reduction will according to literature be less than for the plates. Plastic plates are shown, in the literature surveyed, by full scale experiments to have at least as good, and sufficient, resistance to impact as concrete ones. This is verified by in-house numerical analyses. The finite element analyses show that the plastic plates deforms but do not break. The arching action of the backfill protects the buried pipe, and the stresses become only somewhat higher when using plastic plates instead of using stiff plates of steel or concrete. There may be unfavourable cases when the plastic plates cannot by themself stop forces and stresses passing down through soil layers acting on the buried pipe.

  • 10.
    Thörnblom, Kristian
    et al.
    Göteborg (BMg).
    Sällström, Jan Henrik
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Rörcentrum.
    Grävskydd och djupförläggning som riskreducerande åtgärder vid förläggning av 10 bars PE-rörsystem: Del 22012Report (Refereed)
    Abstract [sv]

    This report concerns part 2 of a project with the aim to propose protective measures for cables and pipelines for bio and natural gas. The wish is to be able to increase the pressure in the distribution networks from 4 to 10 bars without having to retain the safety distances valid for 80 bar pipelines. Polymer, concrete and steel protective plates, and deep digging are the physical measures considered. In part 1 a survey was made, in part by an enquiry, of the frequency, causes and conse-quences of incidents where pipelines were hit by excavators. Further, the rules and standards were investigated in countries where 7-10 bar pipelines are already in service. Now a visit to a supplier in France is reported, as well as an investigation of costs and environmental impact of the different protective measures, and an analysis of the strength of protective plates and of how they can best be positioned in the ground in relationship to the pipeline. The main result from the study visit to France was that new regulations mean that both new and existing pipelines have to be satisfactorily protected. For the physical part of these plastic protective plates play an important part, and there are commercially available building systems of plates for which the strength and durability have been verified by tests. The analysis of costs and environmental impact shows that plastic plates are to prefer with regard to both aspects. In addition they have a very good signalling effect being produced in a bright yellow colour. Also deep digging can be effective taking into account environmental and costs aspects, but the risk reduction will according to literature be less than for the plates. Plastic plates are shown, in the literature surveyed, by full scale experiments to have at least as good, and sufficient, resistance to impact as concrete ones. This is verified by in-house numerical analyses. A discussion is presented of how well the geometric design of pipeline and protective plate protects the pipeline against some digging scenarios with excavators of different sizes. Since the regulations are differing between countries and comprise a mix of administra-tive and physical protective measures in a way that is not quite evident, it was also found worthwhile to make a note, for possible further use, on how risk analysis can, and has been, used in connection with the establishment of major pipelines for optimization of protective measures.

  • 11.
    Willquist, Karin
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Förbrännings- och aerosolteknik.
    Björkmalm, Johanna
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Förbrännings- och aerosolteknik.
    Sjöstrand, Karin
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Rörcentrum.
    Lagerkvist, Anders
    Erixon, Robert
    Johansson, Björn
    Lundmark, Kent
    Hagemalm, Malin
    Liu, Jing
    Biological treatment toolbox for Swedish mine drainage2015Report (Refereed)
  • 12.
    Winberg, David
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd.
    Sjöstrand, Karin
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Rörcentrum.
    Vattensprinkleranläggningar och kommunala vattenledningsnät - en vattendelare2015In: Brandposten, no 52, p. 10-Article in journal (Other academic)
  • 13.
    Yarahmadi, Nazdaneh
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Rörcentrum.
    Petersen, Henrik
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Polymer och fiber.
    Jakubowicz, Ignacy
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Polymer och fiber.
    Enebro, Jonas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Polymer och fiber.
    Organic modification of montmorillonite for application in plasticized PVC nanocomposites2015In: Applied Clay Science, ISSN 0169-1317, E-ISSN 1872-9053, Vol. 107, no Apr, p. 78-84Article in journal (Refereed)
1 - 13 of 13
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