CEN TR 16816-2015 End use performance of wood products - Utilisation and improvement of existing methods to estimate service life《木质产品最终使用性能 现存使用寿命评估方法的利用与改善》.pdf
《CEN TR 16816-2015 End use performance of wood products - Utilisation and improvement of existing methods to estimate service life《木质产品最终使用性能 现存使用寿命评估方法的利用与改善》.pdf》由会员分享,可在线阅读,更多相关《CEN TR 16816-2015 End use performance of wood products - Utilisation and improvement of existing methods to estimate service life《木质产品最终使用性能 现存使用寿命评估方法的利用与改善》.pdf(40页珍藏版)》请在麦多课文档分享上搜索。
1、BSI Standards PublicationPD CEN/TR 16816:2015End use performance of woodproducts Utilisation andimprovement of existingmethods to estimate servicelifePD CEN/TR 16816:2015 PUBLISHED DOCUMENTNational forewordThis Published Document is the UK implementation of CEN/TR16816:2015.The UK participation in i
2、ts preparation was entrusted to TechnicalCommittee B/515, Wood preservation.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctap
3、plication. The British Standards Institution 2015. Published by BSI StandardsLimited 2015ISBN 978 0 580 88431 3ICS 79.080Compliance with a British Standard cannot confer immunity fromlegal obligations.This Published Document was published under the authority of theStandards Policy and Strategy Commi
4、ttee on 30 April 2015.Amendments issued since publicationDate Text affectedPD CEN/TR 16816:2015TECHNICAL REPORT RAPPORT TECHNIQUE TECHNISCHER BERICHT CEN/TR 16816 April 2015 ICS 79.080 English Version End use performance of wood products - Utilisation and improvement of existing methods to estimate
5、service life Performances des produits en bois dans leur emploi - Utilisation et amlioration des mthodes existantes pour estimer la dure de vie Leistungseigenschaften von Holzprodukten This Technical Report was approved by CEN on 21 March 2015. It has been drawn up by the Technical Committee CEN/TC
6、38. 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, Lithuania, Luxembourg, Malta, Netherlands, Norway, Po
7、land, 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-1000 Brussels 2015 CEN All rights of exploitatio
8、n in any form and by any means reserved worldwide for CEN national Members. Ref. No. CEN/TR 16816:2015 EPD CEN/TR 16816:2015CEN/TR 16816:2015 (E) 2 Contents Page Foreword 3 1 Scope 4 2 Background 4 2.1 General 4 2.2 ISO/TC 59/SC14 “Design life” .4 2.3 CEN/TC 350 Sustainability of Construction Words
9、5 2.4 CEN/TC 351 Construction Products: Assessment of release of dangerous substances 5 2.5 COST Action E37 sustainability through new technologies for enhanced wood durability 5 2.6 WoodExter project .6 2.7 Design value IRdfor resistance factor depending on material 6 3 Work in this area continued
10、in the Swedish led project WoodBuild 2008-2013.CEN/TC38 Standards: requirements for efficacy 8 3.1 Preservative treated wood 8 3.2 Naturally durable wood .9 4 Guidance on the determination of end use performance of wood products . 10 5 Guidance on utilization and improvement of existing methods to e
11、stimate service life 11 5.1 General . 11 5.2 Gap analysis of existing standards in TC38 to inform on service life 11 6 Actions . 30 6.1 General . 30 6.2 WG21 30 6.3 WG23 31 6.4 WG25 31 6.5 WG24 31 7 Acknowledgements 32 Bibliography . 33 PD CEN/TR 16816:2015CEN/TR 16816:2015 (E) 3 Foreword This docum
12、ent (CEN/TR 16816:2015) has been prepared by Technical Committee CEN/TC 38 “Durability of wood and wood-based products”, the secretariat of which is held by AFNOR. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC
13、 shall not be held responsible for identifying any or all such patent rights. PD CEN/TR 16816:2015CEN/TR 16816:2015 (E) 4 1 Scope The scope of WG28 Performance Classification is expressed in this Technical Report: Guidance on the determination of end use performance of wood products: utilization and
14、 improvement of existing test methods to estimate service life, in order to give input to the harmonized product standards dealing with the durability requirement of the CPD and future Regulation (EU) No 305/2011 (The Construction Products Regulation CPR). This Technical Report brings together the e
15、valuations and discussions to date that have occurred within CEN/TC38/WG28 Performance Classification. This technical report does not address panel products specifically. 2 Background 2.1 General The development of performance-based design methods for durability requires that models are available to
16、 predict performance in a quantitative and probabilistic format. The relationship between performance during testing and in service needs to be quantified in statistical terms and the resulting predictive models need to be calibrated to provide a realistic measure of service life, including a define
17、d acceptable risk of non-conformity. Service-life prediction or planning is a process for ensuring that, as far as possible, the service life of a building will equal or exceed its design life, while taking into account (and preferably optimising) its life-cycle costs (ISO 15686 1). For a long time,
18、 the international organizations CIB and RILEM have been leading this development, which has had an impact on standardization work nationally, regionally, and globally through ISO. Service-life prediction should be integrated into the design process for constructions, but it is also applicable to ex
19、isting buildings and other construction works. Drivers for establishing service-life planning methodology and routines include the need for building owners to be able to forecast and control costs throughout the design life of a building or construction. It also influences the reliability of constru
20、cted assets, and hence the health and safety of users. The construction sector is under pressure to improve its cost effectiveness, quality, energy efficiency and environmental performance and to reduce the use of non-renewable resources. A key issue for the competitiveness of wood is the delivery o
21、f reliable components of controlled durability with minimum maintenance needs and life-cycle costs. The importance of service-life issues is reflected in the Construction Products Directive (CPD) with its six essential requirements, which should be fulfilled by construction products during a reasona
22、ble service life. 2.2 ISO/TC 59/SC14 “Design life” The development of performance-based design methods for durability requires that models are available to predict performance in a quantitative and probabilistic format. The relationship between performance during testing and in service needs to be q
23、uantified in statistical terms and the resulting predictive models need to be calibrated to provide a realistic measure of service life, including a defined acceptable risk of non-conformity. Service-life prediction or planning is a process for ensuring that, as far as possible, the service life of
24、a building will equal or exceed its design life, while taking into account (and preferably optimising) its life-cycle costs (ISO 15686 1). For a long time, the international organisations CIB and RILEM have been leading this development, which has had an impact on standardization work nationally, re
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