iTeh StandardsiTeh Standards
EURUSD
Your shopping cart is empty!
CEN

EN 14081-2:2018/prA1

(Amendment)

Timber structures - Strength graded structural timber with rectangular cross section - Part 2: Machine grading; additional requirements for type testing

Timber structures - Strength graded structural timber with rectangular cross section - Part 2: Machine grading; additional requirements for type testing

This document specifies requirements, additional to those of EN 14081-1, for type testing of machine graded structural timber with rectangular cross-sections shaped by sawing, planning or other methods, and having deviations from the target sizes corresponding to EN 336. This includes requirements for strength grading machines.

Holzbauwerke - Nach Festigkeit sortiertes Bauholz für tragende Zwecke mit rechteckigem Querschnitt - Teil 2: Maschinelle Sortierung; zusätzliche Anforderungen an die Erstprüfung

Structures en bois - Bois de structure à section rectangulaire classé pour sa résistance - Partie 2 : Classement mécanique par machine; exigences supplémentaires concernant les essais de type

Lesene konstrukcije - Razvrščanje konstrukcijskega lesa pravokotnega prečnega prereza po trdnosti - 2. del: Strojno razvrščanje - Dodatne zahteve za preskušanje tipa

General Information

Status
Not Published
ICS
79.040 - Wood, sawlogs and sawn timber
Technical Committee
CEN/TC 124 - Timber structures
Drafting Committee
CEN/TC 124/WG 2 - Solid timber
Current Stage
4599 - Dispatch of FV draft to CMC - Finalization for Vote
Due Date
22-Sep-2021
Completion Date
22-Sep-2021
Ref Project
SIST EN 14081-2:2018/oprA1:2020 - Timber structures - Strength graded structural timber with rectangular cross section - Part 2: Machine grading; additional requirements for type testing

RELATIONS

Amends
EN 14081-2:2018 - Timber structures - Strength graded structural timber with rectangular cross section - Part 2: Machine grading; additional requirements for type testing
Effective Date
20-Mar-2019

Buy Standard

EN 14081-2:2018/oprA1:2020EN 14081-2:2018/oprA1:2020
PreviousNext
Amendment
EN 14081-2:2018/oprA1:2020
English language
4 pages
sale 10% off
Preview
sale 10% off
Preview
e-Library read for
1 day

Standards Content (sample)

SLOVENSKI STANDARD
SIST EN 14081-2:2018/oprA1:2020
01-januar-2020
Lesene konstrukcije - Razvrščanje konstrukcijskega lesa pravokotnega prečnega

prereza po trdnosti - 2. del: Strojno razvrščanje - Dodatne zahteve za preskušanje

tipa

Timber structures - Strength graded structural timber with rectangular cross section -

Part 2: Machine grading; additional requirements for type testing
Holzbauwerke - Nach Festigkeit sortiertes Bauholz für tragende Zwecke mit

rechteckigem Querschnitt - Teil 2: Maschinelle Sortierung; zusätzliche Anforderungen an

die Erstprüfung

Structures en bois - Bois de structure à section rectangulaire classé pour sa résistance -

Partie 2 : Classement mécanique par machine; exigences supplémentaires concernant

les essais de type
Ta slovenski standard je istoveten z: EN 14081-2:2018/prA1
ICS:
79.040 Les, hlodovina in žagan les Wood, sawlogs and sawn
timber
91.080.20 Lesene konstrukcije Timber structures
SIST EN 14081-2:2018/oprA1:2020 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 14081-2:2018/oprA1:2020
---------------------- Page: 2 ----------------------
SIST EN 14081-2:2018/oprA1:2020
DRAFT
EUROPEAN STANDARD
EN 14081-2:2018
NORME EUROPÉENNE
EUROPÄISCHE NORM
prA1
November 2019
ICS 79.040
English Version
Timber structures - Strength graded structural timber
with rectangular cross section - Part 2: Machine grading;
additional requirements for type testing

Structures en bois - Bois de structure à section Holzbauwerke - Nach Festigkeit sortiertes Bauholz für

rectangulaire classé pour sa résistance - Partie 2 : tragende Zwecke mit rechteckigem Querschnitt - Teil

Classement mécanique par machine; exigences 2: Maschinelle Sortierung; zusätzliche Anforderungen

supplémentaires concernant les essais de type an die Erstprüfung

This draft amendment is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 124.

This draft amendment A1, if approved, will modify the European Standard EN 14081-2:2018. If this draft becomes an

amendment, CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for

inclusion of this amendment into the relevant national standard without any alteration.

This draft amendment was established by CEN 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 Centre 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are

aware and
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.

This May Also Interest You

CEN
EN 14081-1:2016+A1:2019(Main)
Timber structures - Strength graded structural timber with rectangular cross section - Part 1: General requirements
SIST EN 14081-1:2016+A1:2019

This European Standard specifies requirements for strength graded structural timber with rectangular cross-sections either visual or machine graded, shaped by sawing, planning or other methods and with cross-sectional dimensions complying with EN 336 (referred to as structural timber in the following clauses).
This European Standard includes provisions for test methods, Assessment and Verification of Constancy of Performance and marking of structural timber.
NOTE 1   For machine strength graded timber additional provisions for type testing (TT) are given in EN 14081-2 and for factory production control (FPC) in EN 14081-3.
NOTE 2   An acceptance procedure for verification of a lot is given in EN 14358 which may be used for a delivery of structural timber.
This European Standard identifies characteristics for which limits have to be given in visual grading standards.
This European Standard covers structural timber, untreated or treated against biological attack.
This European Standard does not cover:
-   timber treated by fire retardant products to improve its fire performance;
-   thermally and/or chemically modified timber;
-   structural finger jointed timber.

  • Standard
    36 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
EN 384:2016+A1:2018(Main)
Structural timber - Determination of characteristic values of mechanical properties and density
SIST EN 384:2016+A1:2019

This European Standard gives a method for determining characteristic values of mechanical properties and density, for defined populations of visual grades and/or strength classes of machine graded structural timber. Additionally it covers the stages of sampling, testing, analysis and presentation of the data.
The standard provides methods to derive strength, stiffness and density properties for structural timber from tests with defect-free specimen.
The values determined in accordance with this standard for mechanical properties and density are suitable for assigning grades and species to the strength classes of EN 338.
NOTE 1   For assigning grades and species to the strength classes in EN 338 only three properties, i.e. bending or tension strength, modulus of elasticity parallel to grain in bending or tension and density need to be determined from test data, other properties can be calculated according to Table 2.
NOTE 2   EN 1912 gives examples of established visual grades assigned to strength classes.

  • Standard
    19 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
EN 14081-3:2012+A1:2018(Main)
Timber structures - Strength graded structural timber with rectangular cross section - Part 3: Machine grading; additional requirements for factory production control
SIST EN 14081-3:2012+A1:2018

This European Standard specifies requirements additional to those given in EN 14081-1 for factory production control of machine graded structural timber with rectangular cross-sections shaped by sawing, planing or other methods, and having deviations from the target sizes corresponding to EN 336.

  • Standard
    14 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
EN 14081-2:2018(Main)
Timber structures - Strength graded structural timber with rectangular cross section - Part 2: Machine grading; additional requirements for type testing
SIST EN 14081-2:2018

This document specifies requirements, additional to those of EN 14081-1, for type testing of machine graded structural timber with rectangular cross-sections shaped by sawing, planning or other methods, and having deviations from the target sizes corresponding to EN 336. This includes requirements for strength grading machines.

  • Standard
    38 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
EN 14358:2016(Main)
Timber structures - Calculation and verification of characteristic values
SIST EN 14358:2016

This standard gives statistical methods for the determination 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 value 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 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 this standard may be used directly or may need additional adjustments specified in the relevant product standards.
Note:   For example, in the case of solid timber, specific adjustment factors for calculation of characteristic values are given in EN 384.

  • Standard
    15 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
EN 16737:2016(Main)
Structural timber - Visual strength grading of tropical hardwood
SIST EN 16737:2016

This European Standard specifies a method of strength grading tropical hardwood visually for structural use.
The permissible limits of characteristics for a single visual strength grade of timber are specified, designated “Structural Tropical Hardwood” (STH) grade.
The method is only suitable for pieces of timber with a rectangular cross-section that is constant along their lengths.
Characteristics related to durability are not covered in this standard. For some end uses, additional requirements may be specified at the time of grading, e.g. sapwood exclusion.

  • Standard
    21 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
EN 338:2016(Main)
Structural timber - Strength classes
SIST EN 338:2016

This European Standard establishes a system of strength classes for general use in design codes.
It gives characteristic strength and stiffness properties and density values for each class to which EN 14081-1 refers.
This standard is applicable to all softwood and hardwood timber for structural use.

  • Standard
    11 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
EN 15497:2014(Main)
Structural finger jointed solid timber - Performance requirements and minimum production requirements
SIST EN 15497:2014

This European Standard sets out provisions regarding the performance characteristics for structural finger jointed timber with rectangular cross section for use in buildings and bridges.
The use of structural finger jointed timber may be limited to certain service classes in some member states.
It also lays down minimum production provisions and procedures for Assessment and Verification of Constancy of Performance for structural finger jointed timber.
This European Standard is applicable to structural finger jointed timber made of coniferous timber species listed in this standard or poplar.
Although it may be possible to produce structural finger jointed timber made from specific broadleaf species based on some provisions of this European Standard, this standard is not applicable to these products.
This European Standard is only applicable to finger joints between timber sections of the same species.
This European Standard does not cover impressed (die-formed) finger joints.
This European Standard covers structural finger jointed timber untreated or treated against biological attack. Structural finger jointed timber treated with fire retardants is not covered.

  • Standard
    57 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
EN 336:2013(Main)
Structural timber - Sizes, permitted deviations
SIST EN 336:2013

This European Standard specifies two classes of permitted deviations from target sizes for structural timber of softwood and hardwood species.
It also specifies the moisture content to be used as a reference point for the measurement of sizes, and gives average values for changes in size due to changes in moisture content.
It is applicable to sawn and prepared square-edged structural timber with parallel edges having sawn thicknesses or widths greater than 6 mm.

  • Standard
    7 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
EN 1912:2012/AC:2013(Corrigendum)
Structural Timber - Strength classes - Assignment of visual grades and species
SIST EN 1912:2012/AC:2013

This European Standard lists the visual grades, species and sources of timber, and specifies the strength classes to which they are assigned, as documented in EN 338.
NOTE   For the grades, species and sources included, there is a long history of use and/or satisfactory test data. The sources listed therefore are largely determined by existing commercial practices.

  • Corrigendum
    4 pages
    English language
    sale 10% off
    e-Library read for
    1 day