BS EN 350-2016 Durability of wood and wood-based products Testing and classification of the durability to biological agents of wood and wood-based materials《木材和木制品的耐久性 木材和木质材料对生物制剂.pdf
《BS EN 350-2016 Durability of wood and wood-based products Testing and classification of the durability to biological agents of wood and wood-based materials《木材和木制品的耐久性 木材和木质材料对生物制剂.pdf》由会员分享,可在线阅读,更多相关《BS EN 350-2016 Durability of wood and wood-based products Testing and classification of the durability to biological agents of wood and wood-based materials《木材和木制品的耐久性 木材和木质材料对生物制剂.pdf(72页珍藏版)》请在麦多课文档分享上搜索。
1、BS EN 350:2016Durability of wood and wood-based products Testing andclassification of the durabilityto biological agents of woodand wood-based materialsBSI Standards PublicationBS EN 350:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of beetles capable of attack
2、ing dry wood; termites; marine organisms capable of attacking wood in service. Data on the biological durability of selected wood species considered of economic importance in European countries are presented in Annex B (informative), which also provides information relating to their geographical ori
3、gin, density, sapwood width and treatability. NOTE Treatability, durability to disfiguring fungi, permeability to water and performance in use of wood and wood-based materials are also important issues. However, because standardized methods aiming to assess and classify these factors do not exist an
4、d/or have not been extensively experienced yet, preliminary guidance is given in Annex C (informative) for the classification of wood treatability with aqueous wood preservatives, Annex D (informative) for the classification of the permeability to water, Annex E (informative) for the durability to d
5、isfiguring fungi, and Annex F (informative) for the classification of performance. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For und
6、ated references, the latest edition of the referenced document (including any amendments) applies. EN 20-1, Wood preservatives - Determination of the protective effectiveness against Lyctus Brunneus (Stephens) - Part 1: Application by surface treatment (laboratory method) EN 46g9391, Wood preservati
7、ves - Determination of the preventive action against recently hatched larvae of Hylotrupes bajulus (Linnaeus) - Part 1: Application by surface treatment (laboratory method) EN 49-1, Wood preservatives - Determination of the protective effectiveness against Anobium punctatum (De Geer) by egg-laying a
8、nd larval survival - Part 1: Application by surface treatment (Laboratory method) EN 117, Wood preservatives - Determination of toxic values against Reticulitermes species (European termites) (Laboratory method) EN 252, Field test method for determining the relative protective effectiveness of a woo
9、d preservative in ground contact EN 275, Wood preservatives - Determination of the protective effectiveness against marine borers ENV 12038, Durability of wood and wood-based products - Wood-based panels - Method of test for determining the resistance against wood-destroying basidiomycetes BS EN 350
10、:2016g8g17g3g885g887g882g483g884g882g883g888g3g525g8g5265BS EN 350:2016EN 350:2016 (E) 6 EN 13556, Round and sawn timber - Nomenclature of timbers used in Europe CEN/TS 15083-1, Durability of wood and wood-based products - Determination of the natural durability of solid wood against wood-destroying
11、 fungi, test methods - Part 1: Basidiomycetes CEN/TS 15083-2, Durability of wood and wood-based products - Determination of the natural durability of solid wood against wood-destroying fungi, test methods - Part 2: Soft rotting micro-fungi EN 16449, Wood and wood-based products - Calculation of the
12、biogenic carbon content of wood and conversion to carbon dioxide ISO 13061-2, Physical and mechanical properties of wood Test methods for small clear wood specimens Part 2: Determination of density for physical and mechanical tests 3 Terms and definitions For the purposes of this document, the follo
13、wing terms and definitions apply. 3.1 wood species trade name according to EN 13556 which can on occasion include more than one botanical tree species Note 1 to entry: E.g. European oak which comprises both Quercus robur and Q. petraea. 3.2 pilot name for a wood species result of a consensual choice
14、 due to practical considerations retaining the usual name under which the wood is the most widely commercialised, adopted either by the main exporting country or by the main importing country Note 1 to entry: Pilot names are established since 1954 in the nomenclature of the ATIBT. 3.3 set clearly id
15、entifiable collection of units of wood or wood-based products, originating from a commercial supply of a defined origin (single or not) and likely comprising only some of the variability of the wood species or of the wood-based material Note 1 to entry: E.g. wood species sourced from a restricted ge
16、ographical area. 3.4 wood-based material any processed matrix containing and/or made of a specific percentage of wood Note 1 to entry: Wood-based materials are those derived from trees and include amongst others heat-treated wood and any other material modified by chemical, physico-chemical or physi
17、cal process, glue-laminated wood, wood-based panels, wood polymer composites and treated with wood preservatives. This standard is not meant to test all ligno-cellulosic materials (e.g. bamboo, reed, straw, flax) as such and would require methodological adaptions to do so. BS EN 350:2016g8g17g3g885g
18、887g882g483g884g882g883g888g3g525g8g5266BS EN 350:2016EN 350:2016 (E) 7 3.5 modified wood wood that undergoes the action of a chemical, biological or physical agent, resulting in a permanent desired property enhancement Note1 to entry: If the modification is intended for improved resistance to biolo
19、gical attack, then the mode of action is assumed to be non-biocidal. 3.6 durability to biological agents inherent resistance of a wood species or a wood-based material against wood decay organisms Note 1 to entry: This inherent resistance is due to the presence of natural components that can exhibit
20、 different levels of toxicity towards biological organisms and/or to anatomical particularities or a specific constitution of certain wood-based materials. 3.7 sapwood outer zone of wood that, in the growing tree, contains living cells and conducts sap Note 1 to entry: Depending on the species, age
21、of the tree and the growing conditions the proportions of sapwood and heartwood can vary. Note 2 to entry: Frequently paler than heartwood though not always distinguishable from heartwood in some wood species. Note 3 to entry: Sapwood of all wood species is considered to be non-resistant against dec
22、ay fungi unless other data are available. Sapwood can have different levels of resistance against wood boring insects (excluding termites). 3.8 heartwood inner zone of wood that, in the growing tree, has ceased to contain living cells or to conduct sap Note 1 to entry: Frequently darker than sapwood
23、 though not always distinguishable from sapwood in some wood species. 3.9 transition wood wood in a zone between the sapwood and the heartwood Note 1 to entry: The transition wood can be regarded as a region of the heartwood that has not fully matured. This is only distinguishable in very few wood s
24、pecies. In general, its biological durability, treatability and permeability to water is intermediate between that of sapwood and heartwood. 3.10 juvenile wood set of few growth rings of woody tissue nearest the centre of the tree, often having abnormal properties Note 1 to entry: Juvenile wood is a
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