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  • 1.
    Arvidson, Magnus
    et al.
    Brandteknik, skydd (BRs ).
    Östman, Birgit
    AB Trätek.
    Boendesprinkler - vad hände sen?2004In: BrandPosten, no 31, p. 10-11Article in journal (Other (popular science, discussion, etc.))
  • 2.
    Bengtsson, Charlotte
    et al.
    AB Trätek.
    Betzold, Daniel
    Bending strength and stiffness of Norway spruce timber. Influence of high temp. drying.2000In: Proceedings of the International Symposium on Wood Machining, Wien, Sept 2000., 2000Conference paper (Other academic)
  • 3.
    Bengtsson, Charlotte
    et al.
    AB Trätek.
    Fonselius, Mikael
    Settings for strength grading machines – evaluation of the procedure according to prEN 14081 part 22003Article in journal (Refereed)
  • 4.
    Bengtsson, Charlotte
    et al.
    AB Trätek.
    Jermer, Jöran
    AB Trätek.
    Technical properties of heat-treated spruce and pine timber2002In: Proceedings of Nordiska Träskyddsdagar, september 25-27,2002. Silkeborg, Danmark, 2002Conference paper (Other academic)
  • 5.
    Bengtsson, Charlotte
    et al.
    AB Trätek.
    Jermer, Jöran
    AB Trätek.
    Clang, Anders
    AB Trätek.
    Ek-Olausson, Birgitta
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Certifiering.
    Investigation of some technical properties of heat-treated wood2003Article in journal (Other academic)
  • 6.
    Bengtsson, Charlotte
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, AB Trätek.
    Johansson, Carl-Johan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik.
    GIROD - Glued in rods for timber structures. SMT4-CT97-21992002Report (Refereed)
    Abstract [en]

    Glued-in rods have been used for a number of years in several of the EU Member States which are active in timber engineering. They are an economically, architecturally and industrially attractive means of transferring forces within a structure, and of providing local reinforcement to critical zones of timber members. They also provide an important technology for the repair and upgrading of historically important timber structures which exist throughout Europe. Not withstanding their importance, internatonally acknowledged design rules for glued-in rods do not exist. The lack of standards and design rules within the field of glued-in rods lead to this project being initiated.

  • 7.
    Bengtsson, Charlotte
    et al.
    AB Trätek.
    Johansson, Carl-Johan
    AB Trätek.
    Glued-in rods - development of test methods for adhesives2001In: Proceedings of RILEM Symposium on Joints in Timber Structures. 12-14 September 2001. Stuttgart, Tyskland, 2001, , p. 393-402Conference paper (Other academic)
  • 8.
    Bengtsson, Charlotte
    et al.
    AB Trätek.
    Kliger, Robert
    Bending creep of high-temperature dried spruce timber2003In: Holzforschung, ISSN 0018-3830, E-ISSN 1437-434X, Vol. 57, no 1, p. 95-100Article in journal (Refereed)
    Abstract [en]

    In this paper, bending creep test results from high-temperature (HT) dried Norway Spruce timber are presented. The results are compared with creep tests of conventional low-temperature (LT) dried timber. The HT drying was performed at 115°C and the LT drying was performed at 70°C. The creep tests were performed in a varying climate with 20°C and 30–90% relative humidity. A total number of 24 specimens, 45 × 70 × 1100 mm, were loaded in bending during approximately 240 days. Both the HT-dried and the LT-dried material were cut from the same four trees to have as equal raw material as possible for the two drying methods. The results show smaller bending creep deformations of HT-dried timber (approximately 30%) as compared to the LT-dried timber. The variation in magnitude of creep for HT-dried timber was equal to or smaller than for LT-dried timber. Additionally, the variation in deformation between the moisture cycles was smaller for HT-dried timber. These observations indicate a less pronounced mechano-sorptive effect for HT-dried timber. The free shrinkage in the grain direction was significantly smaller for the HT-dried material than for the LT-dried material.

  • 9. Ditlevsen, Ove
    et al.
    Källsner, Bo
    AB Trätek.
    System effecs influencing the bending strength of timber beams1998In: Reliability and Optimization of Structural Systems, Vol. 46, no 3, p. 129-136Article in journal (Other academic)
  • 10.
    Edlund, Marie-Louise
    AB Trätek.
    AB-preservatives exposed in different ways above and in ground2005In: Proceedings of the COST Action E37 Workshop: Service Life Prediction: The contribution to sustainability, 2005Conference paper (Other academic)
  • 11.
    Edlund, Marie-Louise
    AB Trätek.
    Beständighet hos miljöanpassat träskydd: delrapport 12003Report (Refereed)
  • 12. Gobakken, L R
    et al.
    Westin, Mats
    AB Trätek.
    Field Performance of Coated Modified Wood Panels2005In: The Second European Conference on Wood Modification, Proceedings, 2005Conference paper (Other academic)
  • 13.
    Jermer, Jöran
    AB Trätek.
    Provtagning och analys av träskyddsbehandlat virke2004In: NTR Information, p. 21-, article id 4Article in journal (Other (popular science, discussion, etc.))
  • 14.
    Jermer, Jöran
    AB Trätek.
    Skärpta restriktioner mot CCA-impregnerat trä.2004Report (Other (popular science, discussion, etc.))
  • 15.
    Jermer, Jöran
    AB Trätek.
    Träskydd2004In: Att välja trä (8 uppl), 2004, p. 28-31Chapter in book (Other (popular science, discussion, etc.))
  • 16.
    Jermer, Jöran
    AB Trätek.
    Wood preservation in Sweden2000Conference paper (Other academic)
  • 17.
    Jermer, Jöran
    AB Trätek.
    Wood specifications in the Nordic area which are based on European standards2000Conference paper (Other academic)
  • 18.
    Jermer, Jöran
    et al.
    AB Trätek.
    Andersson, Bo-Lennart
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Material och ytteknik.
    Corrosion of fasteners in heat-treated wood - progress report after two years' exposure outdoors2005In: The Second European Conference on Wood Modification, Proceedings, International Research Group on Wood Protection , 2005, , p. 78-82Conference paper (Other academic)
  • 19.
    Jermer, Jöran
    et al.
    AB Trätek.
    Bengtsson, Charlotte
    AB Trätek.
    Brem, Franciska
    Clang, Anders
    AB Trätek.
    Ek-Olausson, Birgitta
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Certifiering.
    Edlund, Marie-Louise
    Heat-treated wood - durability and technical properties2003Report (Refereed)
    Abstract [en]

    Pine (Pinus sylvestris) and spruce (Picea abies) of Swedish origin has been heat-treated according to a process intended for above-ground end-uses. Tests have been carried out in order to study and evaluate the durability of the heat-treated material against decay and discolouring micro-organisms as well as technical and other properties, such as bending strength, stiffness, delamination of glulam, withdrawal load for fasteners and chemical emissions. The tests have shown that the bending strength has been reduced by approximately 50 % whereas the stiffness has been much less affected. Thus, the use of heat-treated wood where the strength is a decisive property should be carefully considered. There is an indication that the withdrawal load for fasteners for heat-treated wood is lower than for untreated wood. Gluing of heat-treated wood needs particular consideration, and PVAc adhesives seems to be unsuitable for gluing heat-treated wood. Chemical emissions (VOCs) were very low and will not be any major problem, providing proper conditioning is carried out after treatment. Heat-treated wood seems to be less susceptible to attack by discolouring micro-organisms than untreated wood. The decay tests in the laboratory and in the field have not yet given an unambiguous answer concerning the performance in various end-uses. However, the use of heat-treated wood in ground contact should be avoided.

  • 20.
    Jermer, Jöran
    et al.
    AB Trätek.
    Ekvall, Annika
    Brandteknik, material (BRm).
    Tullin, Claes
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Förbrännings- och aerosolteknik.
    Analysis of contaminants in waste wood2001In: Proceedings of the 32nd Annual Meeting for the International Research Group on Wood Preservation, Nara, Japan,may 2001., 2001Conference paper (Other academic)
  • 21.
    Jermer, Jöran
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, AB Trätek.
    Johansson, Ingvar
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, AB Trätek.
    Johansson, Pernilla
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Byggnadsfysik och innemiljö (ETi ).
    Fältförsök med träskyddsmedel för klass AB. Delrapportnr 1. Resultat efter 3 års exponering. Nordic Wood Projekt nr 98056.1999Report (Refereed)
  • 22.
    Jermer, Jöran
    et al.
    AB Trätek.
    Lloyd, J D
    Preservative treatments of window components with a water-based borate formulation: Proceedings IRG Annual Meeting2000Article in journal (Other academic)
  • 23.
    Johansson, Carl-Johan
    et al.
    AB Trätek.
    Bengtsson, Charlotte
    AB Trätek.
    Glued-in rods for timber structures – presentation of results from a European project2002Conference paper (Other academic)
  • 24.
    Johansson, Carl-Johan
    et al.
    AB Trätek.
    Samuelson, Ingemar
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi.
    Sverige bygger inte säkert!2010In: Byggindustrin, no 13Article in journal (Other (popular science, discussion, etc.))
    Abstract [sv]

    Vinterns takras och andra händelser under det senaste decenniet, däribland problemen med de enstegstätade putsade regelväggarna, motiverar rubriken. Tillsynen i byggandet måste förbättras och det är dags att rusta upp den byggtekniska forskninger, skriver Carl-Johan Johansson och Ingemar Samuelson, SP Sveriges Tekniska Forskningsinstitut.

  • 25.
    Johansson, Carl-Johan
    et al.
    AB Trätek.
    Samuelson, Ingemar
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi.
    Sverige bygger inte säkert!2010In: Samhällsbyggaren, no 3Article in journal (Other (popular science, discussion, etc.))
    Abstract [sv]

    Det är inte bara den gångna vinterns takras som motiverar rubriken utan ytterligare ett antal händelser som inträffat under det senaste decenniet, däribland problemen med de enstegstätade putsade regelväggarna. Takrasen beror inte på att det kommit för mycket snö. I stället är det så att snön avslöjar slarv och okunskap. Tillsynen i byggandet måste förbättras och det är dags att rusta upp den byggtekniska forskningen.

  • 26.
    Kemmsies, M
    AB Trätek.
    Comparison of bond lines in gluam beams adhered with a phenol-resorcinol-formaldehyde (PRF) and one-component polyurethane (PUR) after fire exposure1999In: Proceedings of the 1st International RILEM Symposium on Timber engineering, Stockholm, Sweden, Sept. 13-14, 1999, RILEM , 1999, , p. 399-408Conference paper (Other academic)
  • 27.
    Kemmsies, M
    et al.
    AB Trätek.
    Streicher, R
    Glued timber-steelplate joints1999In: Proceedings of the 1st International RILEM Symposium on Timber engineering, Stockholm, Sweden, Sept. 13-14, 1999, RILEM , 1999, , p. 389-398Conference paper (Other academic)
  • 28.
    Källander, Björn
    AB Trätek.
    Climate control in vacuum dryers for convective heat transfer. Partt 1: Demands on climate control2002In: Wood Science and Technology, ISSN 0043-7719, E-ISSN 1432-5225, Vol. 36, no 6, p. 477-486Article in journal (Other academic)
  • 29.
    Källander, Björn
    et al.
    AB Trätek.
    Bengtsson, Charlotte
    AB Trätek.
    Creep testing at elevated temperatures- suggested test methods for adhesives other than phenolic or aminoplastic2002Conference paper (Other academic)
  • 30. Källander, Björn
    et al.
    Bengtsson, Charlotte
    AB Trätek.
    Creep testing wood adhesives for structural use (Paper 35-18-1)2002Conference paper (Other academic)
  • 31.
    Källsner, Bo
    et al.
    AB Trätek.
    Girhammar, Ulf A
    Plastic design of partially anchored wood-framed wall diaphragms with and without openings2005In: International Council for Research and Innovation in Building and Construction: Working Commission W18, 2005, , p. 38-15-5 BConference paper (Other academic)
  • 32.
    Larsson Brelid, Pia
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, AB Trätek.
    Segerholm, Kristoffer
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, AB Trätek.
    Alfredsen, G
    Westin, Mats
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, AB Trätek.
    Wålinder, Magnus
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, AB Trätek.
    Wood plastic composites with improved dimensional stability and biological resistance2006In: ECOWOOD 2006. 2nd International Conference on Environmentally-Compatible Forest Products, Fernando Pessoa University , 2006, , p. 385-391Conference paper (Other academic)
  • 33.
    Larsson Brelid, Pia
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, AB Trätek.
    Segerholm, Kristoffer
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, AB Trätek.
    Westin, Mats
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, AB Trätek.
    Wålinder, Magnus
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, AB Trätek.
    Wood plastic composites from modified wood. Part 1: Conceptual idea, mechanical and Physical Properties2005In: International research group on wood protection. The 37th annual conference in Tromsø 18-22 June. IRG/WP 06-40353., 2005, , p. 13Conference paper (Other academic)
  • 34.
    Nilsson, Lars-Olof
    AB Trätek.
    Chloride ingress data from field exposure in a Swedish road environment2001Report (Refereed)
  • 35.
    Nilsson, S
    AB Trätek.
    The life time of polyethylene casing pipes subjected to indentations1999In: Proceedings of the 7th International Symposium on District heating and Cooling, May 18-20, 1999 at Lund, Sweden. Session 2B, Nordic Energy Research Programme , 1999, , p. Paper 20Conference paper (Other academic)
  • 36. Nussbaum, Ralph M
    et al.
    Sterley, Magdalena
    AB Trätek.
    The effect of wood extractive content on glude adhesion and surface wettability of wood2002In: Wood and Fiber Science, ISSN 0735-6161, Vol. 34, no 1, p. 57-71Article in journal (Refereed)
  • 37.
    Oscarsson, Jan
    AB Trätek.
    Högre värdeutbyte - högförädlade byggprodukter med våtlimningsteknik2009In: Forskning, ISSN 1654-8876, no 1, p. 53-Article in journal (Other (popular science, discussion, etc.))
  • 38.
    Peterson, Kjell
    et al.
    AB Trätek.
    Eskilsson, David
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Förbrännings- och aerosolteknik.
    Emissioner av partiklar (PM10) från massa- och pappersindustrins pannor och ugnar2004Report (Other (popular science, discussion, etc.))
  • 39.
    Rosenkilde, Anders
    AB Trätek.
    Measurement of moisture content profiles during drying of Scots pine using magnetic resonance imaging2004In: Holzforschung, ISSN 0018-3830, E-ISSN 1437-434X, Vol. 58, no 2, p. 138-142Article in journal (Refereed)
    Abstract [en]

    Moisture content profiles with high spatial pixel resolution, 21 µm, were measured in Scots pine heartwood while drying from wet conditions to near equilibrium in the surface layer, (0–300 µm). The measuring technique used was Magnetic Resonance Imaging. In order to obtain magnetic resonance profiles with a high pixel resolution at both high and low moisture contents, a highg-radient permanent magnet was used. The results presented show one-dimensional moisture content profiles and mean moisture content development in the surface layer. In Scots pine heartwood, almost flat moisture content profiles were observed when the moisture content was above the fibre saturation level. When the mean moisture content in the surface layer decreases to the fibre saturation level, gradients start to build up from the surface towards the bulk of the sample although the bulk moisture content is far above the fibre saturation. Furthermore, the results presented in this study imply that a dry shell forms in the surface layer shortly after drying has begun. This dry shell controls the drying rate until the mean moisture content in the bulk decreases to the fibre saturation level.

  • 40.
    Rosenkilde, Anders
    et al.
    AB Trätek.
    Arfvidsson, Jesper
    Measurement and evaluation of moisture transport coefficients during drying of wood1997In: Holzforschung, ISSN 0018-3830, E-ISSN 1437-434X, Vol. 51, p. 372-380Article in journal (Refereed)
  • 41. Rosenkilde, Anders
    et al.
    Söderström, Ove
    AB Trätek.
    Surface phenomena during drying of MDF1997In: Holzforschung, ISSN 0018-3830, E-ISSN 1437-434X, Vol. 51, p. 79-82Article in journal (Refereed)
  • 42.
    Rosenqvist, Marie
    AB Trätek.
    Localization of wood improvement compounds by microautoradiography and ESEM1999In: Holzforschung, ISSN 0018-3830, E-ISSN 1437-434X, Vol. 53, no 6, p. 648-654Article in journal (Refereed)
    Abstract [en]

    Environmental-SvepElektronMikroskop, ESEM, har använts för att undersöka mikroautoradiogram av furusplint (Pinus silvestris L.) målad med en grundolja innehållande 14C-märkt alkyd. Mikroautoradiografi är en fotografisk metod som visar var ämnen märkta med radioaktiva isotoper finns i det undersökta materialet. De fotografiskt framkallade silverkornen i mikroautoradiogrammet visar var det märkta ämnet finns. Ej preparerade mikroautoradiogram undersöktes med ESEM, konventionella prepareringstekniker är tidsödande och kan orsaka oönskade artefakter. Det är bevisat att trästrukturen syns tydligt under den i huvudsak transparenta fotografiska filmen i mikroautoradiogrammet. Bilder framtagna med backscatter-detektorn hade hög kvalitet, silverkorn och trästruktur är synliga samtidigt och bilderna har nästan inga artefakter p g a uppladdningar, vilket inte är möjligt att uppnå med ett konventionellt SEM. Inträngning i trä undersökt med mikroautoradiografi kan sålunda enkelt utvärderas med ESEM.

  • 43.
    Salin, Jarl-Gunnar
    AB Trätek.
    Drying of boards, prone to twist, in a pre-twisted position.2005Conference paper (Refereed)
  • 44.
    Salin, Jarl-Gunnar
    AB Trätek.
    Drying of sapwood analyzed as an invasion percolation process2005Conference paper (Refereed)
  • 45.
    Serrano, Erik
    AB Trätek.
    A numerical study of the shear-strength-predicting capabilities of test specimens for wood-adhesive bonds2004In: International Journal of Adhesion and Adhesives, Vol. 24, p. 23-35Article in journal (Refereed)
  • 46.
    Sterley, Magdalena
    et al.
    AB Trätek.
    Blümer, Hartwig
    Wålinder, Magnus
    AB Trätek.
    Edge and face gluing of green timber using a one-component polyurethane adhesive2004In: European Journal of Wood and Wood Products, ISSN 0018-3768, E-ISSN 1436-736X, Vol. 62, no 6, p. 479-482Article in journal (Refereed)
  • 47.
    Söderström, Ove
    AB Trätek.
    Practical evaluation of computer simulations of progressive kilns1994In: Upgrading wood quality through drying technology: proceedings of the IUFRO International Wood Drying Symposium, IUFRO , 1994Conference paper (Other academic)
  • 48.
    Tsantaridis, Lazaros
    et al.
    AB Trätek.
    Östman, Birgit
    AB Trätek.
    Charring of protected wood studs1998In: Fire and Materials, ISSN 0308-0501, E-ISSN 1099-1018, Vol. 22, p. 55-60Article in journal (Refereed)
  • 49.
    Tsantaridis, Lazaros
    et al.
    AB Trätek.
    Östman, Birgit
    AB Trätek.
    König, Jürgen
    AB Trätek.
    Short communication: Fire protection of wood by different gypsum plasterboards1999In: Fire and Materials, ISSN 0308-0501, E-ISSN 1099-1018, Vol. 23, p. 45-48Article in journal (Refereed)
  • 50.
    Uusijärvi, Richard
    AB Trätek.
    Spara pengar på spårning: Storprojekt om spårbarhet har fått en flygande start2007In: NTT: Nordisk träteknik Såg & Trä, no 7, p. 20-21Article in journal (Other (popular science, discussion, etc.))
12 1 - 50 of 62
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