BS EN 1309-1-1997 Round and sawn timber - Method of measurement of dimensions - Sawn timber《圆木和锯木 尺寸的测量方法 第1部分 锯木》.pdf

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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 1309-1 : 1997 The E

2、uropean Standard EN 1309-1 : 1997 has the status of a British Standard ICS 79.040 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Round and sawn timber Method of measurement of dimensions Part 1. Sawn timberThis British Standard, having been prepared under the direction of the

3、 Sector Board for Building and Civil Engineering, was published under the authority of the Standards Board and comes into effect on 15 September 1997 BSI 1997 ISBN 0 580 28346 1 BS EN 1309-1 : 1997 Amendments issued since publication Amd. No. Date Text affected National foreword This British Standar

4、d 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: aid enquirers to understand the text; presen

5、t 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 represented on this subcommittee can be obtained on

6、 request to its secretary. Cross-references The 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 Index, or by using the Find facility of

7、the BSI Standards Electronic Catalogue. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 4, an inside back cover and a back cover.CEN European Com

8、mittee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1997 All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1309-1 : 1997 E EUROPEAN STAN

9、DARD EN 1309-1 NORME EUROPE ENNE EUROPA ISCHE NORM April 1997 ICS 79.040 Descriptors: Wood, sawn timber, softwood timber, hardwood timber, dimensional measurements English version Round and sawn timber Method of measurement of dimensions Part 1: Sawn timber Bois ronds et bois scie sM e thode de mesu

10、re des dimensions Partie 1: Bois scie s Rund- und Schnittholz Verfahren zur Messung der Mabe Teil 1: Schnittholz This 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 conditions for giving this European

11、 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 official versions (English, Fr

12、ench, 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, Belgium, Denmark, Finland,

13、 France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.Page 2 EN 1309-1 : 1997 BSI 1997 Foreword This European Standard has been prepared by Technical Committee CEN/TC 175, Round and sawn timber, the secretariat of

14、which is held by AFNOR. This 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 timber EN 1310 Round and sawn timber Method of measurement

15、of features EN 1311 Round and sawn timber Method of measurement of biological degrade This 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 national standards shall be with

16、drawn 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, Ireland, Italy, Luxembourg, Net

17、herlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword 1 Scope 2 2 Normative references 3 3 Definitions 3 4 Thickness 3 4.1 Apparatus 3 4.2 Methods of measurement 3 5 Width 3 5.1 Apparatus 3 5.2 Methods of measurement 3 6 Length 4 6.1 Apparatus 4 6.2 Me

18、thod of measurement 4 7 Determination of the volume 4Page 3 EN 1309-1 : 1997 BSI 1997 1 Scope This 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 t

19、o tropical timber. 2 Normative references This 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, subsequent amen

20、dments to or revisions of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies. EN 844-1 Round and sawn timber Terminology Part 1: General terms common to round timb

21、er and sawn timber EN 844-3 Round and sawn timber Terminology Part 3: General terms relating to sawn timber EN 844-4 Round and sawn timber Terminology Part 4: Terms relating to moisture content EN 844-6 Round and sawn timber Terminology Part 6: Terms relating to dimensions of sawn timber EN 844-7 Ro

22、und and sawn timber Terminology Part 7: Terms relating to anatomical structure of timber EN 844-9 Round and sawn timber Terminology Part 9: Terms relating to features of sawn timber prEN 844-10 Round and sawn timber Terminology Part 10: Terms relating to stain and fungal attack prEN 844-11 Round and

23、 sawn timber Terminology Part 11: Terms relating to degrade by insects EN 1312 Round and sawn timber Determination of the batch volume of sawn timber 3 Definitions For the purposes of this standard, the definitions in the standards listed in clause 2 apply. 4 Thickness 4.1 Apparatus A measuring devi

24、ce, graduated to an accuracy of at least 0,1 mm. 4.2 Methods of measurement 4.2.1 Square-edged timber Measure 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 t

25、o, but at least 150 mm from the ends, the other(s) 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 timber Measure the thickness once at each end, as close to an edge a

26、s possible. The places of measurement shall be clean and free from defects. Record only the thinner measured thickness, expressed in millimetres, to one decimal place. Note also the actual moisture content. 5 Width 5.1 Apparatus A measuring device, graduated to an accuracy of at least 1 mm. 5.2 Meth

27、ods of measurement 5.2.1 Square-edged timber Measure the width in a direction perpendicular to the longitudinal axis of the piece in at least three positions. The places of measurement shall be clean and free from defects. Two of the measurements shall be taken near to, but at least 150 mm from the

28、ends, the other(s) positioned at random between them. Record only the narrowest measured width, expressed in millimetres, to one decimal place. Note also the actual moisture content. 5.2.2 Unedged timber Measure the width in accordance with the method specified in EN 1312.Page 4 EN 1309-1 : 1997 BSI

29、 1997 6 Length 6.1 Apparatus A measuring device, graduated to an accuracy of at least 5 mm. 6.2 Method of measurement Measure 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 volu

30、me The method of calculating the volume of single pieces (both square-edged and unedged), boules and batches of sawn timber is given in EN 1312.blankBSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |

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