Sørkedalen, Norway test site
Site Information
Organization: Norsk Treteknisk Institutt, NTI (Norwegian Institute of Wood Technology)
Contact person: Dr. Ulrich Hundhausen
Who uses it or can use it?: Research project partners, contract testing customers
Is it a contract testing site? Yes
Location: Sørkedalen (approximately 180 MAMSL), 11 km northvest from NTI in Oslo, Norway
Coordinates: N.A.
Type of testing
Decay: EN252 (accredited), (Sørkedalen is one of the test sites approved by the Nordic Wood Preservation Council)
Termites or other insects: No
Ground Contact: EN252, In-ground mini-stake trial (8x20x200 mm³), In-ground double stake trial (50x100x500 mm³), On-ground test, Ground proximity test (shaded and unshaded), Close to ground mini-stake test
Above Ground: EN 927-3, vertical cladding with and without roof overhang, deckings, glulam in use class 2
Weathering: No
Marine: No
Biodeteriogens
Type of decay: Brown-rot, white-rot, and soft-rot, but soft rot predominates.
Termite species:
Marine Organisms:
Geophysical information
Rainfall: 1148 mm annual precipitation (1991-2019) based on meteoroligical records from station SN19100 and station SN 18500.
Temperature mean: 4.3°C (1991-2019) based on meteoroligical records from station SN 18500.
Climate Index: Warm Summer Continental Climate (DfB) acoording to Köppen-Geiger climate classification
Soil-type: Sandy soil containing some organic material
Images
References
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Jermer, J. & Evans, F.G. 2020. Results from NWPC field trials 1968 to 1996. NWPC Information No. 40/20. 186 pp.
Westin, M., Conti, E., Creemers, J., Flæte, P.O., Gellerich, A., Irbe, I., Klamer, M., Melcher, E., Moeller, R., Nunes, L., Palanti, S., Reinprecht, L., Suttie, E. & Viitanen, H. 2017. 10 year Report on COST E37 Round Robin Tests – Comparison of results from laboratory and field tests. International Research Group on Wood Protection. Doc. No. IRG/WP 17-20627. 12 pp.
Meyer-Veltrup, L., Brischke, C., Alfredsen, G., Humar, M., Flæte, P.O., Isaksson, T., Larsson-Brelid, P., Westin, M. & Jermer, J. 2017. The combined effect of wetting ability and durability on outdoor performance of wood: development and verification of a new prediction approach. Wood Science and Technology 51: 615–637.
Alfredsen, G., Brischke, C., Flæte, P.O., Humar, M. & Meyer-Veltrup, L. 2016. On the effect of climate and exposure conditions on durability indicators and their potential for service life prediction of wood-based products. International Research Group on Wood Protection. Doc. No. IRG/WP 16-20576. 31 pp.
Alfredsen, G. & Flæte, P.O. 2015. Tall oil – performance after a decade of field exposure. International Research Group on Wood Protection. Doc. No. IRG/WP 15-30672. 13 pp.
Brischke, C., Alfredsen, G., Flæte, P.O., Humar, M., Isaksson, T. Meyer. L. 2015. The combined effect of wetting ability and durability on field performance – verification of a new prediction approach. International Research Group on Wood Protection. Doc. No. IRG/WP 15-20565. 20 pp.
Brischke, C., Meyer, L., Alfredsen, G., Flæte, P.O., Francis, L., Hansson, M., Larsson-Brelid, P., Jermer, J., Welzbacher, C., Rapp, A., Brandt, K. & Melcher, E. 2013. A critical view on early indicators for above ground field performance of wood. International Research Group on Wood Protection. Doc. No. IRG/WP 13-20509. 24 pp.
Brischke, C., Meyer, L., Alfredsen, G., Humar, M., Francis, L., Flæte, P.O. & Larsson-Brelid, P. 2013. Natural durability of timber exposed above ground - a survey. Drvna Industrija 64: 113-129.
Westin, M., Conti, E., Creemers, J., Flæte, P-O., Gellerich, A., Irbe, I., Klamer, M., Mazela, B., Melcher, E., Möller, R, Nunes, L., Palanti, S., Reinprecht, L., Suttie, E. & Viitanen, H. 2013. Report on COST E37 Round Robin Tests – Comparison of results from laboratory and field tests. International Research Group on Wood Protection. Doc. No. IRG/WP 13-20535.
Brischke, C.; Olberding, S.; Meyer, L.; Bornemann, T.; Welzbacher, C.R. (2013): Intra-site variability of fungal decay on wood exposed in ground contact., International Wood Products Journal 4: 37-44.
Stirling, R., Flæte, P.-O., Alfredsen, G. & Morris, P. 2012. Extractives in Norwegian-grown and North American-grown western redcedar and their relation to durability. International Research Group on Wood Protection. Doc. No. IRG/WP 12-10762. 7 pp.
Evans, F., Alfredsen, G. & Flæte, P.O. 2011. Natural durability of wood in Norway – Results after eight years above ground exposure. The Nordic-Baltic Network in Wood Material Science and Engineering (WSE): proceedings of the 7th meeting, 2011: 1-6.
Flæte, P.O., Alfredsen, G. & Evans, F.G. 2011. Natural durability of wood tested in different environments in Northern Europe. International Research Group on Wood Protection. Doc. No. IRG/WP 11-10747. 8 pp.
Alfredsen, G., Flæte, P.O., Militz, H. 2010. Performance of Novel Wood Protection Systems – Evaluation Based on Five Different Test Setups. Proceedings of the International Convention of Society of Wood Science and Technology and United Nations Economic Commission for Europe – Timber Committee October 11-14, 2010, Geneva, Switzerland. 9 pp.