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1、豆丁网：BRITISH STANDARDRound and sawn timber Method of measurement of dimensionsPart 1. Sawn timberThe European Standard EN 1309-1 : 1997 has the status of aBritish StandardICS 79.040| BS EN1309-1 : 1997|第 5 页 共 13 页豆丁网：|NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 1309-1
2、 : 1997National forewordThis British Standard is the English language version of EN 1309-1 : 1997.The UK participation in its preparation was entrusted by Technical Committee B/543, Round and sawn timber, to Subcommittee B/543/1, Timber terminology and measurement, which has the responsibility to: a
3、id enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK.A list of organizations represent
4、ed on this subcommittee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled International Standards Correspondence
5、Index, or by using theFind facility of the BSI Standards Electronic Catalogue.Compliance with a British Standard does not of itself confer immunity from legal obligations.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 4, an inside back cov
6、er and a back cover.Amd. No.DateText affectedThis British Standard, having been prepared under the direction of the Sector Board for Building and Civil Engineering, was published under the authority of the Standards Board and comes into effect on15 September 1997BSI 1997ISBN 0 580 28346 1Amendments
7、issued since publicationEUROPEAN STANDARDEN 1309-1NORME EUROPE ENNEEUROPA ISCHE NORMApril 1997ICS 79.040Descriptors: Wood, sawn timber, softwood timber, hardwood timber, dimensional measurementsEnglish versionRound and sawn timber Method of measurement of dimensions Part 1: Sawn timberBois ronds et
8、bois scie s Me thode de mesure des dimensions Partie 1: Bois scie sRund- und Schnittholz Verfahren zur Messung der Mabe Teil 1: SchnittholzThis European Standard was approved by CEN on 1997-03-05. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the condition
9、s for giving this European Standard the status of a national standard without any alteration.Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three offici
10、al versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions.CEN members are the national standards bodies of Austria, Bel
11、gium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.CENEuropean Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r NormungCentral Secretariat: rue de
12、 Stassart 36, B-1050 Brussels1997 All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.Ref. No. EN 1309-1 : 1997 EPage EN 1309-1 : 1997BSI 1997ForewordThis European Standard has been prepared by Technical Committee CEN/TC 175, Round and sawn timber, the
13、 secretariat of which is held by AFNOR.ContentsForewordPageThis standard is one of a series, being methods of measurement for round timber and sawn timber.Other standards in this series are:prEN 1309-2 Round and sawn timber Method of measurement of dimensions Part 2: Round timberEN 1310Round and saw
14、n timber Method of measurement of featuresEN 1311Round and sawn timber Method of measurement of biological degradeThis European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 1997, and conflicting nati
15、onal standards shall be withdrawn at the latest by October 1997.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Irel
16、and, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.1 Scope 22 Normative references 33 Definitions 34 Thickness 34.1 Apparatus 34.2 Methods of measurement 35 Width 35.1 Apparatus 35.2 Methods of measurement 36 Length 46.1 Apparatus 46.2 Method of
17、measurement 47 Determination of the volume 4Page 3EN 1309-1 : 19971 ScopeThis European Standard specifies the methods of measuring dimensions of sawn timber.This standard applies to hardwood and softwood sawn timber, both square-edged and unedged. This standard does not apply to tropical timber.2 No
18、rmative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequentamendments to or revisions of
19、 these publications apply to this European Standard only when incorporated init by amendment or revision. For undated references, the latest edition of the publication referred to applies.EN 844-1Round and sawn timber Terminology Part 1: General terms common to round timber and sawn timberEN 844-3Ro
20、und and sawn timber Terminology Part 3: General terms relating to sawn timberEN 844-4Round and sawn timber Terminology Part 4: Terms relating to moisture contentEN 844-6Round and sawn timber Terminology Part 6: Terms relating to dimensions of sawn timberEN 844-7Round and sawn timber Terminology Part
21、 7: Terms relating to anatomical structure of timberEN 844-9Round and sawn timber Terminology Part 9: Terms relating to features of sawn timberprEN 844-10 Round and sawn timber Terminology Part 10: Terms relating to stain and fungal attackprEN 844-11 Round and sawn timber Terminology Part 11: Terms
22、relating to degrade by insectsEN 1312Round and sawn timber Determination of the batch volume of sawn timber3 DefinitionsFor the purposes of this standard, the definitions in the standards listed in clause 2 apply.4 Thickness4.1 ApparatusA measuring device, graduated to an accuracy of at least 0,1 mm
23、.4.2 Methods of measurement4.2.1 Square-edged timberMeasure the thickness in a direction perpendicular to the face in at least three places. The places of measurement shall be clean and free from defects. Two of the measurements shall be taken near to, but atleast 150 mm from the ends, the other(s)
24、positioned at random between them. Record only the thinnest measured thickness, expressed in millimetres, to one decimal place. Note also the actual moisture content.4.2.2 Unedged timberMeasure the thickness once at each end, as close to an edge as possible. The places of measurement shall be clean
25、and free from defects. Record only the thinner measured thickness, expressed in millimetres, to one decimal place. Note also the actual moisture content.5 Width5.1 ApparatusA measuring device, graduated to an accuracy of at least 1 mm.5.2 Methods of measurement5.2.1 Square-edged timberMeasure the wi
26、dth in a direction perpendicular to the longitudinal axis of the piece in at least three positions. The places of measurement shall be clean and freefrom defects. Two of the measurements shall be taken near to, but at least 150 mm from the ends, the other(s) positioned at random between them. Record
27、 only the narrowest measured width, expressed in millimetres, to one decimal place. Note also the actual moisture content.5.2.2 Unedged timberMeasure the width in accordance with the method specified in EN 1312.BSI 1997Page EN 1309-1 : 19976 Length6.1 ApparatusA measuring device, graduated to an acc
28、uracy of at least 5 mm.6.2 Method of measurementMeasure the length of the largest possible rectangular parallelepiped contained within the piece, expressed in metres to two decimal places, rounded down.7 Determination of the volumeThe method of calculating the volume of single pieces (both square-ed
29、ged and unedged), boules and batches of sawn timber is given in EN 1312.BSI 1997blankBSI389 Chiswick High RoadLondonW4 4AL| BSI British Standards Institution| BSI is the independent national body responsible for preparing British Standards. It| presents the UK view on standards in Europe and at the
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