BS EN 1310-1997 圆木和锯木.特性测定法.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 1310 : 1997 The Eur
2、opean Standard EN 1310 : 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 features This British Standard, having been prepared under the direction of the Sector Board for Buildin
3、g 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 28340 2 BS EN 1310 : 1997 Amendments issued since publication Amd. No.DateText affected National foreword This British Standard is the English language ver
4、sion of EN 1310 : 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; present to the responsible European c
5、ommittee 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 request to its secretary. Cros
6、s-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 the BSI Standards Electronic Ca
7、talogue. 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 16, an inside back cover and a back cover. CEN European Committee for Standardization Co
8、mite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1997 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref. No. EN 1310 : 1997 E EUROPEAN STANDARDEN 1310 NORME EUROPE ENN
9、E EUROPA ISCHE NORM April 1997 ICS 79.040 Descriptors: Wood, sawlogs, sawn timber, appearance, defects, measurements English version Round and sawn timber Method of measurement of features Bois ronds et bois scie s Me thode de mesure des singularite s Rund- und Schnittholz Messung der Merkmale This
10、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 Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references co
11、ncerning 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, French, German). A version in any other language made by translation under the responsibility of a CEN member into its o
12、wn 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, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerla
13、nd and United Kingdom. Page 2 EN 1310 : 1997 BSI 1997 Foreword This European Standard has been prepared by Technical Committee CEN/TC 175, Round and sawn timber, the Secretariat of which is held by AFNOR. This standard is one of a series, being methods of measurement for round timber and sawn timber
14、. Other standards in this series are: EN 1309-1Round and sawn timber Method of measurement of dimensions Part 1: Sawn timber prEN 1309-2Round and sawn timber Method of measurement of dimensions Part 2: Round timber EN 1311Round and sawn timber Method of measurement of biological degrade This Europea
15、n 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 withdrawn at the latest by October 1997. According to the CEN/CENELEC Internal Regulations, the nation
16、al standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Forew
17、ord2 1Scope3 2Normative references3 3Definitions3 4Sawn and processed timber3 4.1Knots3 4.2Resin pocket8 4.3Reaction wood8 4.4Grain8 4.5Rate of growth9 4.6Bark pocket10 4.7Sapwood10 4.8Wane10 4.9Fissure11 4.10 Warp11 5Round timber12 5.1Knots12 5.2Fissures12 5.3Sweeps13 5.4Ovality14 5.5Taper14 5.6Spi
18、ral grain14 5.7Compression wood14 5.8Rate of growth14 5.9Double pith14 5.10 Sapwood14 5.11 Included sapwood14 5.12 Eccentric pith14 5.13 False heartwood14 5.14 Dry side14 5.15 Parasitic plant15 5.16 Carbonized wood15 5.17 Cancer15 5.18 Bird peck15 5.19 Other damage15 5.20 Tapping cut15 5.21 Foreign
19、bodies15 ? Page 3 EN 1310 : 1997 BSI 1997 1 Scope This standard specifies the methods of measuring features taken into account in the visual grading of sawn, processed and round timber for appearance or to assess its mechanical properties. It does not apply to the strength grading of structural timb
20、er (see EN 518 and EN 519). This standard applies to hardwood and softwood sawn timber, both square edged and unedged, to processed timber and to round timber. This standard does not apply to tropical timber. 2 Normative references This European Standard incorporates, by dated or undated reference,
21、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 amendments to or revisions of these publications apply to this European Standard only when incorporated in it by
22、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 timber EN 844-2Round and sawn timber Terminology Part 2: General terms relating to round timber EN
23、 844-3Round and sawn timber Terminology Part 3: General terms relating to sawn timber EN 844-4Round and sawn timber Terminology Part 4: Terms relating to moisture content EN 844-5Round and sawn timber Terminology Part 5: Terms relating to dimensions of round timber EN 844-6Round and sawn timber Term
24、inology Part 6: Terms relating to dimensions of sawn timber EN 844-7Round and sawn timber Terminology Part 7: Terms relating to anatomical structure of timber EN 844-8Round and sawn timber Terminology Part 8: Terms relating to features of round timber EN 844-9Round and sawn timber Terminology Part 9
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