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1、 Reference number ISO 15928-3:2009(E) ISO 2009 INTERNATIONAL STANDARD ISO 15928-3 First edition 2009-02-15 Houses Description of performance Part 3: Structural durability Constructions dhabitation Description des performances Partie 3: Durabilit de la structure Copyright International Organization f
2、or Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Resale, 04/07/2009 21:51:22 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 15928-3:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance wit
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5、y care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2009 All rights reserved. Unless otherwise specifie
6、d, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case
7、postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2009 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164
8、 Not for Resale, 04/07/2009 21:51:22 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 15928-3:2009(E) ISO 2009 All rights reserved iii Contents Page Foreword iv Introduction v 1 Scope 1 2 Normative references1 3 Terms and definitions .1 4 Structural durability performanc
9、e2 4.1 User needs2 4.2 Performance descriptions 2 4.3 Principles for describing structural durability performance.3 5 Parameters for the description of performance .3 5.1 Parameters for describing component design life.3 5.2 Parameters for describing the maintenance schedule3 5.3 Parameters for desc
10、ribing internal and external environmental agents .3 6 Evaluation.4 6.1 General4 6.2 Evaluation methods.5 Annex A (informative) Commentary6 Bibliography13 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Resale,
11、 04/07/2009 21:51:22 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 15928-3:2009(E) iv ISO 2009 All rights reserved Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of
12、 preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental
13、, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main
14、task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Atten
15、tion is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 15928-3 was prepared by Technical Committee ISO/TC 59, Building construction, Subcommittee SC 15, Perf
16、ormance criteria for single family attached and detached dwellings. ISO 15928 consists of the following parts, under the general title Houses Description of performance: Part 1: Structural safety Part 2: Structural serviceability Part 3: Structural durability Part 4: Fire safety Copyright Internatio
17、nal Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Resale, 04/07/2009 21:51:22 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 15928-3:2009(E) ISO 2009 All rights reserved v Introduction This part of ISO
18、 15928 is one of a series under the general title: Houses Description of performance. The objective of this series is to identify the methods used to describe the performance of houses. Each part of ISO 15928 relates to a separate attribute. The parts of ISO 15928 do not specify levels of performanc
19、e and they are not intended to replace national standards or regulations, but to provide a standardized framework to enable the development of national standards and regulations in accordance with World Trade Organization (WTO) requirements. The parts of ISO 15928 do not provide design methods and/o
20、r design criteria. Based on the framework provided by ISO 15928 (all parts), purchasers, regulators and standard writers in their respective countries can describe their requirements in standardized performance terms. Additionally, the manufacturers/providers can respond by describing the performanc
21、e of their products in a similar manner. The purpose of ISO 15928 (all parts) is to provide a standardized system that can be used to specify performance requirements and performance levels or to rate housing products. NOTE The WTO Agreement on technical barriers to trade, Clause 2.8, states: “Whene
22、ver appropriate, members shall specify technical regulations based on product requirements in terms of performance rather than design or descriptive characteristics”. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not
23、 for Resale, 04/07/2009 21:51:22 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Resale, 04/07/2009 21:51:22 MDTNo reproduction or netwo
24、rking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISO 15928-3:2009(E) ISO 2009 All rights reserved 1 Houses Description of performance Part 3: Structural durability 1 Scope This part of ISO 15928 sets out a method for describing the structural durability performance of houses. It
25、 covers the needs of the user, provides performance descriptions, establishes parameter descriptions and outlines evaluation processes. This part of ISO 15928 is intended for use in the evaluation of the design and construction of houses, in the international trading of houses or their subsystems an
26、d in developing quality systems for houses. This part of ISO 15928 does not apply to structural safety, serviceability or other attributes, which are covered in other parts of ISO 15928. 2 Normative references The following referenced documents are indispensable for the application of this document.
27、 For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 2394, General principles on reliability for structures ISO 15928-1, Houses Description of performance Part 1: Structural safety ISO 159
28、28-2, Houses Description of performance Part 2: Structural serviceability 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 2394 and the following apply. 3.1 house building occupied for residential purposes, which may be separated or linked horizontall
29、y, but not linked vertically to another, which has its own access and which does not share any common space with another 3.2 parameters structural durability group of variables used to quantitatively describe the structural durability performance 3.3 performance behaviour of houses related to users
30、needs Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Resale, 04/07/2009 21:51:22 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 15928-3:2009(E) 2 ISO 2009 All rights reserved 3.4
31、 components including fixtures parts of a house that can be identified such as floor, wall, etc. 3.5 structural durability capability of a structure or any component to satisfy, with planned maintenance, the structural design performance requirements over a specified period of time under the influen
32、ce of the environmental actions, or a result of a self-ageing process 3.6 design life period of time for which the structural unit or component performs above the specified level of structural safety and serviceability performance 3.7 design working life design life assumed for the whole house 3.8 m
33、aintenance schedule series of actions and time intervals between these actions to maintain the levels of structural safety and serviceability performance of the whole house over the design working life 4 Structural durability performance 4.1 User needs The structural safety and serviceability perfor
34、mance of the house shall be acceptable to the user over the specified design working life. A specified maintenance schedule can be required to achieve this. It is assumed that no significant human abuse occurs. 4.2 Performance descriptions The performance description for structural durability is the
35、 expression of the ability of the whole house and its parts, with an appropriate degree of reliability, to fulfil its intended safety and serviceability performance in the environment in which it is located over the specified design working life when subject to its intended use. This is expressed in
36、 terms of one or more of the following: a) external and internal environmental agents (including those associated with microclimates that can arise in buildings); b) maintenance schedule and specified component design life; c) changes in form or properties. NOTE 1 Performance in the environment refe
37、rs to performance when subjected to the environmental agents listed in Table A.1. This includes harmful substances and phenomena (e.g. aggressive ground water, acid rain, polluted air, insect or rodent attack and fungal decay). It is necessary to consider the effects of severe events when defining t
38、he environmental agents. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Resale, 04/07/2009 21:51:22 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 15928-3:2009(E) ISO 2009 All ri
39、ghts reserved 3 NOTE 2 Changes in form or properties of components and materials induced by the environment can be described in terms of: a) change in basic properties of materials; b) change in general or local dimensions of components; c) change in properties or form of connection between componen
40、ts. 4.3 Principles for describing structural durability performance The structural durability performance can be described in terms of a) the component design life, b) the maintenance schedule, and c) the internal and external environmental agents that are likely to occur in the design working life.
41、 The required maintenance should not be excessive, nor should the replacement of components be at inappropriate levels. Maintenance requirements should be specified only for readily accessible components. 5 Parameters for the description of performance 5.1 Parameters for describing component design
42、life The component design life shall be described by specifying the minimum time, expressed in years, between the replacement of structural components under the specified maintenance schedule. 5.2 Parameters for describing the maintenance schedule The maintenance schedule shall be described by speci
43、fying the level of maintenance and frequency of maintenance for the structural components and units. NOTE Guidance on parameters required can be found in ISO 15686-5. 5.3 Parameters for describing internal and external environmental agents 5.3.1 General The parameters for describing internal and ext
44、ernal environmental agents considered relevant to the structural durability are: a) the geographical location of the house; b) the parameters describing the influences of environmental agents affecting structural durability. 5.3.2 Parameters for geographical location The parameters for describing ge
45、ographical location include: a) the distance from a coast-line, other geographical features or sources of pollutants; b) the climate zone; c) the physical location, e.g. latitude and longitude. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=H
46、P Monitoring/1111111164 Not for Resale, 04/07/2009 21:51:22 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 15928-3:2009(E) 4 ISO 2009 All rights reserved 5.3.3 Parameters describing environmental agents 5.3.3.1 The following influences should be considered: a) moisture
47、 constituents; b) moisture contaminants; c) air constituents; d) air contaminants; e) ground constituents; f) ground contaminants; g) biological agents/life; h) temperature; i) solar radiation; j) incompatible chemicals; k) use or exposure. 5.3.3.2 Where appropriate, the following parameters should
48、be used to quantify these influences: duration of wetness; duration of exposure; freeze-thaw cycles; temperature; pH value for acidity; concentration of chemicals and contaminants. An assessment should be made as to whether these influences act either individually or in combination. 6 Evaluation 6.1 General ISO 13823 describes the following two procedures for the evaluation of structural durability performance. a) S