1、BRITISH STANDARD Round and sawn timber - Method of measurement of dimensions Part 1. Sawn timber * * rn The European Standard EN 13091 : 1997 has the status of a British Standard ICs 79.040 3s EN 1309-1 : 1997 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW STD*BSI BS EN 1309-
2、L-ENGL 1797 1b2LibbS Ob39231 870 = AmdNo. BS EN 1309-1 : 1997 Date Text affected This British Standard, having been prepared under the direction of the Sector Board for Building and Civil Engineering, was published under the authon of the Standards Board and comes into effect on 15 September 1997 O
3、BSI 1997 ISBN O 680 28346 I National foreword This British Standard is the English language version of EN 1309-1 : 1997. The UK participation in its preparation was entrusted by Technical Committee B/M, Round and sawn timber, to Subcommittee B43/1, Timber terminology and measurement, which has the r
4、esponsibility to: - aid 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
5、of organizations represented on this subcommittee can be obtained on 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 Cataogue under the section entitled Internationa
6、l Standards Correspondence Index, or by using the Find facility of 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, p
7、ages 2 to 4, an inside back cover and a back cover. STD-BSI BS EN L3US-L-ENGL 1997 W Lb2i.ibb7 Ub37232 707 W EUROPEAN STANDARD NORMT3 EUROPENNE EUROP- NOW EN 1309-1 April 1997 ICs 79.040 Descriptors: Wood, sawn timber, softwood timber, hardwood timber, dimensional measurements English version bund a
8、nd sawn timber - Method of measurement of dimensions - Part 1: Sawn timber Bois ronds et bois scis - Mthode de mesure des dimensions - Partie 1: Bois scis Rund- und Schnitthoiz - Verfahren zur Messung der Mape - %il 1: Schniwiolz This European Standard was approved by CEN on 199743-05. CEN members a
9、re bound to comply with the CENKENELEC Intenial Regulations which stipulate the conditions for giving this European Standard the status of a national stanhd without any alteration. Upto-date lists and bibliographical references concerning such national standards may be obtained on application to the
10、 Central Secretariat or to any CEN member. This European Standard exists in three official 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 statu
11、s as the official versions. CEN members are the national stancards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kuigdom. CEN European Committee for Standardization Comi
12、t Europen de Normaliiation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1060 Brussels O 1997 AU rights of exploitation in any form and by any means reserved wxldwide for CEN national Members. Ref. No. EN 1309-1 : 1997 E Page 2 EN 1309-1 : 1997 Foreword This European Stan
13、dard has been prepared by Technical Committee CENR% 175, Round and sawn timber, the secretxiat of 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 13092 Round and sawn timber- Method of m
14、easurement of dimensions - Part 2: Round timber Round and sawn timber- Method of memrernent of features Round and sawn timber- Method of measurement of biological degrade EN 1310 EN 1311 This European Standard shall be given the status of a natiod standard, either by publication of an identical text
15、 or by endorsement, at the latest by October 1997, and contlicting natiomd s$andards shall be withdrawn at the latest by October 1997. According to the CEN/CENELEC Intenial Regulations, the national standards organizations of the following countries are bound to implement this European Stan- Austria
16、, Belgium, Denmark, Finland, France, Gemany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Foreword 1 Scope 2 Normative references 3 Definitions 4 Thichess 4.1 Apparatus 4.2 Methods of measurement 6 Width 6.1 A
17、pparatus 6.2 Methods of measurement 6 Length 6.1 Apparatus 6.2 Method of measurement 7 Determination of the volume 2 3 3 3 3 3 3 3 3 4 4 4 4 0 BSI 1997 STD-BSI BS EN 1309-L-ENGL 1997 Lb29bbS 0b3723Li 58T * cn * 1 Scope This European Standard specifies the methods of measuring dimensions of sawn timb
18、er. This standard applies to hardwood and softwood sawn timber, both squareedged and unedged This standard does not apply to tropical timber. 2 Normative references This European Standard incorpol-ates by dated or undated reference, provisions from other publications. These normative references are
19、cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of these publications apply to this European Standard oniy when incorporated in it by amendment or revision. For undated references, the latest edition o
20、f the publication referred to applies. EN 844-1 EN 8443 EN 844-4 EN 844-6 EN 844-7 EN 844-9 prEN 844-10 prEN W-11 Round and sawn timber- Part 1: Geneml tm common to round timber and sawn timber Round and sawn timber- TmimlOgy - Part 3: General tm relating to sawn timber Round and sawn timber- Temzin
21、Ologrl - Part 4: Terms reluting to moisture content Round and sawn timber- Part 6: Terms relating to dimensions of sawn timber Round and sawn timber- Tmimbgy - Part E Terms relating to anatomical structure of timber Round and sawn timber- Terminology - Part9: Terms rdating to features of sawn timber
22、 Round and sawn timber- Part 10: Terms relating to stain and fungal attack Round and sawn timer- TmiWlOgy - Part 11: Tm reluting to degrade by insects Tmmlogy - Temzinology - Tmimbgy - Page 3 EN 1309-1 : 1997 EN 1312 Round and sawn timber- Determinatwn of the batch volume of sawn timber 3 Definition
23、s For the purposes of this standard, the definitions in the standards listed in clause 2 apply 4 Thickness 4.1 Apparatus A measuring We, graduad to an accuracy of at 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
24、places. 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 ends, the other) positioned at random between them. Record only the thinnest measured thickness, expressed in millimetres, to one decimal place. Note a
25、lso the actual moisture content. 4.2.2 Unedged timber Measure the thickness once at each end, as cl( se to an edge as 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 ac
26、tual moisture content. least 0,l mm. 5 Width 6.1 Apparatus A measuring dayice, graduated to an accuracy of at least 1 mm. 6.2 Methods of measurement 6.2.1 Square-edged timber Measure the width in a direction perpendicular to the longitudinal axis of the piece in at least three positions. The places
27、of measurement shall be clean and free from defects. Two of the measurements shad be taken near to, but at least 150 mm from the ends, the other) positioned at random between them. Record oniy the narrowest measured width, expressed in miliimetres, to one decimal place. Note also the actual moisture
28、 content. 6.2.2 Unedged timber Measure the width in accordance with the method specified in EN 1312. O BSI 1997 STD-BSI BS EN L309-1-ENGL 1997 1bZLibbS Ob39235 4Lb Page 4 EN 1309-1 : 1997 6.1 Apparatus A meusu?-ing device, graduated to an accuracy of at least 5 mm. 6.2 Method of measurement Measure
29、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 volume The method of calculating the volume of single pieces (both squareedged and wedged), boules and batches of sawn timber is g
30、iven in EN 1312. O BSI 1997 STD-BSI BS EN L307-L-ENGL 1997 W Lb24bb9 b3923b 352 BS EN 1309-1 : 1997 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in E
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