BS EN 975-1-2009 木材,硬木锯材的目测分级.第1部分:橡树和山毛榉

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                   【英文标准名称】:     Sawn timber —Appearance grading ofhardwoodsPart 1: Oak and beech            【原文标准名称】:     木材,硬木锯材的目测分级.第1部分:橡树和山毛榉            【标准号】:     BS EN 975-1-2009            【标准状态】:     现行            【国别】:     英国            【发布日期】:     2009-04-30    【实施或试行日期】: 2009-04-30【发布单位】: 英国标准学会(GB-BSI)【起草单位】: BSI【标准类型】: ()【标准水平】: ()【中文主题词】: 外观;狭板;水青岗木;水青岗(木材);块料;类别;特性;特征;分类;分类;分类法;定义;耐久性;定义(术语);名称与符号;尺寸;尺寸规格;等级(质量);硬木;橡木;工作特性;质量;质量特性;;接收;锯材;;木板条;规范(验收);;外观检查(试验);外观检查(测试);木材;木制品【英文主题词】: Appearance;Battens;Beech;Beech (wood);Block goods;Categories;Characteristics;Classification;Classifications;Definitions;Designations;Dimensions;Grades (quality);Hardwoods;Oak (wood)erformance characteristics;Quality;Quality characteristics;Quality condition;Reception;Sawn timber;Sawn timber of broadleaved species;Slats;Specification (approval);Timber in logs;Visual inspection (testing);Wood【摘要】: This European Standard specifies the rules determining the quality of appearance graded sawn timber. Itdescribes various grades of temperate hardwood rough sawn timber and regularized timber for which it laysdown denominations and definitions. It also gives rules for composition and acceptance of batches.This standard gives minimum requirements for each grade classification. Sawn timber not included withinlimits given in this standard may be defined, if necessary, by contract specifications established on the basisof this standard.This standard applies to grading of green and dried timber. Characteristics apply at the time of grading.This standard does not apply to the strength grading of structural timber or to sawn timber for pallets.This standard is applicable to the following products:a) Oak sawn timber, in the following categories:1) Un-edged boards: individual selected pieces and boules;2) Square edged timber and strips (not exceeding 41 mm thickness);3) Baulks (sum of thickness + width ≥ 200 mm and thickness ≥ 80 mm).b) Beech sawn timber, in the following categories:1) Un-edged boards: individual selected pieces and boules;2) Square edged timber and strips;3) Prepared timber (dried timber).【中国标准分类号】: B69【国际标准分类号】: 79_040【页数】: 38P.;A4【正文语种】: 英语