CEN/TR 16886:2016
(Main)Guidance on the application of statistical methods for determining the properties of masonry products
Guidance on the application of statistical methods for determining the properties of masonry products
In the masonry unit standards and in national legislation, some properties need to be declared based on a certain fractile and confidence level. To demonstrate compliance with that a statistical tool can be used.
The purpose of this Technical Report is to exemplify how a statistical tool can be used in practice. This document should not contradict nor extend the scope of the work and role of a Notified Body, nor impose additional burdens on the manufacturer, beyond those laid down in the Construction Products Regulation and the product standards.
Mechanical and other properties of building materials and components are in the report described by random variables with a certain type of probability distribution. The popular normal distribution (Laplace-Gauss distribution) is given in Annex A. Normal distribution may be used to approximate many actual symmetrical distributions. When a remarkable asymmetry is observed, then another type of distribution reflecting this asymmetry should be considered, leading to a more complex method to demonstrate compliance with the product standard. More information on the normality test of Shapiro-Wilk is given in Annex D.
Leitfaden für die Anwendung statistischer Methoden zur Bestimmung der Eigenschaften von Mauerwerk Produkten
Guide pour l'application de méthodes statistiques pour la détermination des propriétés des éléments de maçonnerie
Navodilo za uporabo statističnih metod za določanje lastnosti zidarskih proizvodov
V standardih za zidake in nacionalni zakonodaji morajo biti na podlagi določenega kvantila in stopnje zaupanja navedene nekatere lastnosti. Za dokazovanje skladnosti je mogoče uporabiti statistično orodje.
Namen tega tehničnega poročila je ponazoriti, kako je mogoče uporabiti statistično orodje v praksi. Ta dokument naj ne bi nasprotoval ali razširjal področja uporabe in vloge priglašenega organa niti nalagal dodatnih obremenitev proizvajalcu, razen tistih iz Uredbe o gradbenih proizvodih in standardov za proizvode.
Mehanske in druge lastnosti gradbenih materialov ter komponent so v poročilu opisane z naključnimi spremenljivkami z določeno vrsto verjetnostne porazdelitve. Priljubljena normalna porazdelitev (Gauss-Laplaceova porazdelitev) je podana v dodatku A. Normalna porazdelitev se lahko uporablja za določanje približka številnih dejanskih simetričnih porazdelitev. V primeru izredne nesimetričnosti je treba upoštevati drugo vrsto porazdelitve, ki odraža to nesimetričnost, kar vodi do bolj zapletene metode za dokazovanje skladnosti s standardom za proizvod. Več informacij o Shapiro-Wilkovem preskusu normalnosti je podanih v dodatku D.
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
SIST-TP CEN/TR 16886:2017
01-marec-2017
1DYRGLOR]DXSRUDERVWDWLVWLþQLKPHWRG]DGRORþDQMHODVWQRVWL]LGDUVNLK
SURL]YRGRY
Guidance on the application of statistical methods for determining the properties of
masonry products
Leitfaden für die Anwendung statistischer Methoden zur Bestimmung der Eigenschaften
von Mauerwerk Produkten
Guide pour l'application de méthodes statistiques pour la détermination des propriétés
des éléments de maçonnerie
Ta slovenski standard je istoveten z: CEN/TR 16886:2016
ICS:
03.120.30 8SRUDEDVWDWLVWLþQLKPHWRG Application of statistical
methods
91.080.30 Zidane konstrukcije Masonry
SIST-TP CEN/TR 16886:2017 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST-TP CEN/TR 16886:2017
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SIST-TP CEN/TR 16886:2017
CEN/TR 16886
TECHNICAL REPORT
RAPPORT TECHNIQUE
November 2016
TECHNISCHER BERICHT
ICS 03.120.30; 91.100.25
English Version
Guidance on the application of statistical methods for
determining the properties of masonry products
Guide pour l'application de méthodes statistiques pour Leitfaden für die Anwendung statistischer Methoden
la détermination des propriétés des éléments de zur Bestimmung der Eigenschaften von Mauerwerk
maçonnerie Produkten
This Technical Report was approved by CEN on 24 August 2015. It has been drawn up by the Technical Committee CEN/TC 125.
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, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2016 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TR 16886:2016 E
worldwide for CEN national Members.
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SIST-TP CEN/TR 16886:2017
CEN/TR 16886:2016 (E)
Contents Page
European Foreword .3
Introduction .4
1 Scope .5
2 Normative references .5
3 Terms, definitions and symbols .5
3.1 Terms and definitions .5
3.2 Symbols .8
4 General .9
5 Statistical evaluation . 10
5.1 Factory production control . 10
5.2 Finished product testing . 10
5.2.1 General . 10
5.2.2 Inspection lot. 11
5.2.3 Spot sampling and sample sizes . 11
5.2.4 Production types . 12
5.2.5 Control method A: Batch control .
...
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