DIN EN 14358-2016 Timber structures - Calculation and verification of characteristic values German version EN 14358 2016《木结构 特征值的计算和验证 德文版本EN 14358-2016》.pdf
《DIN EN 14358-2016 Timber structures - Calculation and verification of characteristic values German version EN 14358 2016《木结构 特征值的计算和验证 德文版本EN 14358-2016》.pdf》由会员分享,可在线阅读,更多相关《DIN EN 14358-2016 Timber structures - Calculation and verification of characteristic values German version EN 14358 2016《木结构 特征值的计算和验证 德文版本EN 14358-2016》.pdf(17页珍藏版)》请在麦多课文档分享上搜索。
1、November 2016 English price group 11No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 79.040; 91.080.20!%ul“2588273ww
2、w.din.deDIN EN 14358Timber structures Calculation and verification of characteristic values;English version EN 14358:2016,English translation of DIN EN 14358:2016-11Holzbauwerke Berechnung und Kontrolle charakteristischer Werte;Englische Fassung EN 14358:2016,Englische bersetzung von DIN EN 14358:20
3、16-11Structures en bois Dtermination et vrification des valeurs caractristiques;Version anglaise EN 14358:2016,Traduction anglaise de DIN EN 14358:2016-11SupersedesDIN EN 14358:200703www.beuth.deDocument comprises 17 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language origi
4、nal shall be considered authoritative.11.16 DIN EN 14358:2016-11 2 A comma is used as the decimal marker. National foreword This document (EN 14358:2016) has been prepared by Technical Committee CEN/TC 124 “Timber structures (Secretariat: AFNOR, France). The responsible German body involved in its p
5、reparation was DIN-Normenausschuss Bauwesen (DIN Standards Committee Building and Civil Engineering), Working Committee NA 005-04-01 AA Holzbau (SpA zu CEN/TC 124, CEN/TC 250/SC 5). Amendments This standard differs from DIN EN 14358:2007-03 as follows: a) normal distributions and non parametric esti
6、mation have been integrated; b) proposals for simplified equations to evaluate correction factors have been added. Previous editions DIN EN 1058: 1996-04 DIN EN 14358: 2007-03 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14358 June 2016 ICS 79.040; 91.080.20 Supersedes EN 14358:2006English V
7、ersion Timber structures - Calculation and verification of characteristic values Structures en bois - Dtermination et vrification des valeurs caractristiques Holzbauwerke - Berechnung und Kontrolle charakteristischer Werte This European Standard was approved by CEN on 23 January 2016. CEN members ar
8、e 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 concerning such national standards may be obtained on application to
9、the CEN-CENELEC Management Centre 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 CEN-CENELEC Management Ce
10、ntre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithua
11、nia, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1
12、000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14358:2016 E2 Contents Page European foreword . 3 1 Scope 4 2 Symbols . 4 3 Calculation of characteristic properties from test results in the frame of initial type t
13、esting 5 3.1 General 5 3.2 Calculation of 5 and 95 percentiles values. 5 3.2.1 General 5 3.2.2 Parametric calculation 5 3.2.3 Non parametric calculation . 7 3.3 Calculation of characteristic mean values . 7 4 Calculation of characteristic properties from test results in the frame of internal factory
14、 production control 9 4.1 General 9 4.2 Calculation of characteristic strength, density or resistance properties (5-percentile) . 9 4.3 Calculation of characteristic stiffness properties (mean values) . 11 5 Acceptance procedure for verification of a lot 12 5.1 General . 12 5.2 Verification of mean
15、values (e.g. mean modulus of elasticity) 12 5.2.1 Method keeping the consumers risk at 10 % 12 5.2.2 Alternative method limiting the sample size for large COVs 13 5.3 Verification of 5-percentile values (e.g. characteristic strength) . 13 5.3.1 Method with consumers risk equal to 10 % 13 5.3.2 Alter
16、native method limiting the sample size for large COVs 14 Bibliography . 15 EN 14358:2016 (E) DIN EN 14358:2016-11 3 European foreword This document (EN 14358:2016) has been prepared by Technical Committee CEN/TC 124 “Timber structures”, the secretariat of which is held by AFNOR. This European Standa
17、rd shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2016, and conflicting national standards shall be withdrawn at the latest by December 2016. Attention is drawn to the possibility that some of the elements of
18、this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 14358:2006. This document is based on Annex D of EN 1990:2002, Eurocode Basis of structural design. Compared to EN 14358:2006
19、, the following modifications have been made: integration of normal distributions, and non parametric estimation; proposals for simplified equations to evaluate correction factors; estimation of mean values; acceptance procedure for verification of a lot (taken from EN 384: 2010). According to the C
20、EN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hung
21、ary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. EN 14358:2016 (E) DIN EN 14358:2016-11 4 1 Scope This standard gives statistical methods for the determin
22、ation of characteristic values from test results on a sample drawn from a clearly defined reference population of e.g. solid wood, fasteners, connectors and wood-based products. The characteristic value is an estimate of the property of the reference population and can be based on a 5-percentile val
23、ue of strength, resistance or density as well as on a mean value for stiffness. Parametric methods are given for the determination of lower and upper 5-percentiles. The upper 5-percentile is the 95-percentile. This standard is suitable for use with any structural product in the frame of type testing
24、 as well as factory production control. Sampling is not covered by this document, but reference is made to the relevant product standards. This standard also provides the acceptance procedure for verification of a lot. Depending on the product, characteristic values determined in accordance with thi
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