EN 1995-1-1:2004/A1:2008

SLOVENSKI STANDARD
01-oktober-2008
Evrokod 5: Projektiranje lesenih konstrukcij - 1-1. del: Splošna pravila in pravila za
stavbe
Eurocode 5: Design of timber structures - Part 1-1: General - Common rules and rules for
buildings
Eurocode 5: Bemessung und Konstruktion von Holzbauten - Teil 1-1: Allgemeines -
Allgemeine Regeln und Regeln für den Hochbau
Eurocode 5: Conception et calcul des structures en bois - Partie 1-1 : Généralités -
Regles communes et regles pour les bâtiments
Ta slovenski standard je istoveten z: EN 1995-1-1:2004/A1:2008
ICS:
91.010.30 7HKQLþQLYLGLNL Technical aspects
91.080.20 Lesene konstrukcije Timber structures
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 1995-1-1:2004/A1
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2008
ICS 91.010.30; 91.080.20
English Version
Eurocode 5: Design of timber structures - Part 1-1: General -
Common rules and rules for buildings
Eurocode 5: Conception et calcul des structures en bois - Eurocode 5: Bemessung und Konstruktion von Holzbauten
Partie 1-1 : Généralités - Règles communes et règles pour - Teil 1-1: Allgemeines - Allgemeine Regeln und Regeln für
les bâtiments den Hochbau
This amendment A1 modifies the European Standard EN 1995-1-1:2004; it was approved by CEN on 10 April 2008.
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. Up-to-date lists and bibliographical references concerning such
national standards may be obtained on application to the CEN Management Centre or to any CEN member.
This amendment 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 Management Centre has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2008 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1995-1-1:2004/A1:2008: E
worldwide for CEN national Members.

Foreword
This document (EN 1995-1-1:2004/A1:2008) has been prepared by Technical Committee CEN/TC 250
"Structural Eurocodes", the secretariat of which is held by BSI.
This Amendment to the European Standard EN 1995-1-1:2004 shall be given the status of a national
standard, either by publication of an identical text or by endorsement, at the latest by December 2008,
and conflicting national standards shall be withdrawn at the latest by March 2010.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,
Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Foreword
National annex for EN 1995-1-1

6.1.7(2) Shear
Drafting note: To be added to the list of clauses

1.2 Normative references
Delete paragraph (1) and replace with:

(1) This European Standard incorporates by dated or undated reference, provisions from other
publications. These normative references are cited at the appropriate places in the text and the
publications are listed hereafter. For dated references, subsequent amendments to or revisions of any
of these publications apply to this European Standard only when incorporated in it by amendment or
revision. For undated references the latest edition of the publication referred to applies (including
amendments).
ISO standards:
ISO 2081 Metallic coatings. Electroplated coatings of zinc on iron or steel
ISO 2631-2:1989 Evaluation of human exposure to whole-body vibration. Part 2:
Continuous and shock-induced vibrations in buildings (1 to 80 Hz)

European Standards:
EN 300 Oriented Strand Board (OSB) – Definition, classification and
specifications
EN 301 Adhesives, phenolic and aminoplastic for load-bearing timber structures;
Classification and performance requirements
EN 312 Paricleboards – Specifications
EN 335-1 Durability of wood and wood-based products – definition of hazard
classes of biological attack – Part 1: General
EN 335-2 Durability of wood and wood-based products – definition of hazard
classes of biological attack – Part 2: Application to solid wood
EN 335-3 Durability of wood and wood-based products – Definition of hazard
classes of biological attack – Part 3: Application to wood-based panels
EN 350-2 Durability of wood and wood-based products – Natural durability of solid
wood – Part 2: Guide to natural durability and treatability of selected
wood species of importance in Europe
EN 351-1 Durability of wood and wood-based products – Preservative treated solid
wood – Part 1: Classification of preservative penetration and retention
EN 383 Timber structures – Test methods – Determination of embedding strength
and foundation values for dowel type fasteners
EN 385 Finger jointed structural timber – Performance requirements and
minimum production requirements
EN 387 Glued laminated timber – Large finger joints – Performance requirements
and minimum production requirements
EN 409 Timber structures – Test methods. Determination of the yield moment of
dowel type fasteners – Nails
EN 460 Durability of wood and wood-based products – Natural durability of solid
wood – Guide of the durability requirements for wood to be used in
hazard classes
EN 594 Timber structures – Test methods – Racking strength and stiffness of
timber frame wall panels
EN 622-2 Fibreboards – Specifications. Part 2: Requirements for hardboards
EN 622-3 Fibreboards – Specifications. Part 3: Requirements for medium boards
EN 622-4 Fibreboards – Specifications. Part 4: Requirements for softboards
EN 622-5 Fibreboards – Specifications. Part 5: Requirements for dry process
boards (MDF)
EN 636 Plywood – Specifications
EN 912 Timber fasteners – Specifications for connectors for timber
EN 1075 Timber structures – Test methods – Testing of joints made with punched
metal plate fasteners
EN 1380 Timber structures – Test methods – Load bearing nailed joints
EN 1381 Timber structures – Test methods – Load bearing stapled joints
EN 1382 Timber structures – Test methods – Withdrawal capacity of timber
fasteners
EN 1383 Timber structures – Test methods – Pull through testing of timber
fasteners
EN 1990:2002 Eurocode – Basis of structural design
EN 1991-1-1 Eurocode 1: Actions on structures – Part 1-2: General actions –
Densities, self-weight and imposed loads
EN 1991-1-3 Eurocode 1: Actions on structures – Part 1-3: General actions – Snow
loads
EN 1991-1-4 Eurocode 1: Actions on structures – Part 1-4: General actions – Wind
loads
EN 1991-1-5 Eurocode 1: Actions on structures – Part 1-5: General actions – Thermal
actions
EN 1991-1-6 Eurocode 1: Actions on structures – Part 1-6: General actions – Actions
during execution
EN 1991-1-7 Eurocode 1: Actions on structures – Part 1-7: General actions –
Accidental actions due to impact and explosions
EN 10147 Specification for continuously hot-dip zinc coated structural steel sheet
and strip – Technical delivery conditions
EN 13271 Timber fasteners – Characteristic load-carrying capacities and slip moduli
for connector joints
EN 13986 Wood-based panels for use in construction – Characteristics, evaluation
of conformity and marking
EN 14080 Timber structures – Glued laminated timber – Requirements
EN 14081-1 Timber structures – Strength graded structural timber with rectangular
cross-section – Part 1, General requirements
EN 14250 Timber structures – Production requirements for fabricated trusses using
punched metal plate fasteners
EN 14279 Laminated veneer lumber (LVL) – Specifications, definitions,
classification and requirements
EN 14358 Timber structures – Fasteners and wood-based products – Calculation of
characteristic 5-percentile value and acceptance criteria for a sample
EN 14374 Timber structures – Structural laminated veneer lumber – Requirements
EN 14545 Timber structures – Connectors – Requirements
EN 14592 Timber structures – Fasteners – Requirements
EN 26891 Timber structures – Joints made with mechanical fasteners – General
principles for the determination of strength and deformation
characteristics
EN 28970 Timber structures – Testing of joints made with mechanical fasteners;
Requirements for wood density (ISO 8970:1989)

NOTE: As long as EN 14545 and EN 14592 are not available as European standards, more information may be
given in the National annex.
1.6 Symbols used in EN 1995-1-1

Add following symbols at relevant places:

Latin lower case letters
a End distance of centre of gravity of the threaded part of screw in the member
1,CG
a Edge distance of centre of gravity of the threaded part of screw in the member
2,CG
d Diameter; Outer thread diameter
d Head diameter of screws
h
d Inner thread diameter
f Characteristic pointside withdrawal strength for nails; Characteristic withdrawal strength
ax,k
k Crack factor for shear resistance
cr
Latin upper case letters
A Effective area of the total contact surface between a punched metal plate fastener and
ef
the timber; Effective contact area in compression perpendicular to the grain
F Characteristic tensile resistance of connection
t,Rk
Greek lower case letters
ρ Associated density
a
2.1.3 Design working life and durability
Paragraph (1), modify to read as follows:
EN 1990:2002 clauses 2.3 and 2.4 apply.

2.2.2 Ultimate limit state
Paragraph (2), delete
where K is the slip modulus, see 2.2.3(3)P
ser
and replace with the following:
where K is the slip modulus, see 7.1(1).
ser
2.2.3 Serviceability limit states
Paragraph (5), modify expression (2.2) to read as follows:
u = u ++u u
fin fin,G fin,Q fin,Q
∑
1i
3.2 Solid timber
Delete paragraph (1)P and replace with:

(1)P Timber members shall comply with EN 14081-1.

NOTE: Strength classes for timber are given in EN 338.

3.1.3 Strength modification factors for service classes and load-duration classes

Table 3.1, delete and replace with

Table 3.1 – Values of kBmod
Material Standard Service Load-duration class
class Permanent Long Medium Short Instanta-
action term term term neous
action action action action
Solid timber EN 14081-1 1 0,60 0,70 0,80 0,90 1,10
2 0,60 0,70 0,80 0,90 1,10
3 0,50 0,55 0,65 0,70 0,90
Glued EN 14080 1 0,60 0,70 0,80 0,90 1,10
laminated
2 0,60 0,70 0,80 0,90 1,10
timber
3 0,50 0,55 0,65 0,70 0,90
LVL EN 14374, EN 14279 1 0,60 0,70 0,80 0,90 1,10
2 0,60 0,70 0,80 0,90 1,10
3 0,50 0,55 0,65 0,70 0,90
Plywood EN 636
Type EN 636-1 1 0,60 0,70 0,80 0,90 1,10
Type EN 636-2 2 0,60 0,70 0,80 0,90 1,10
Type EN 636-3 3 0,50 0,55 0,65 0,70 0,90
OSB EN 300
OSB/2 1 0,30 0,45 0,65 0,85 1,10
OSB/3, OSB/4 1 0,40 0,50 0,70 0,90 1,10
OSB/3, OSB/4 2 0,30 0,40 0,55 0,70 0,90
Particle- EN 312
board Type P4, Type P5 1 0,30 0,45 0,65 0,85 1,10
Type P5 2 0,20 0,30 0,45 0,60 0,80
Type P6, Type P7 1 0,40 0,50 0,70 0,90 1,10
Type P7 2 0,30 0,40 0,55 0,70 0,90
Fibreboard, EN 622-2
hard HB.LA, HB.HLA 1 or 1 0,30 0,45 0,65 0,85 1,10
HB.HLA1 or 2 2 0,20 0,30 0,45 0,60 0,80
Fibreboard, EN 622-3
medium
MBH.LA1 or 2 1 0,20 0,40 0,60 0,80 1,10
MBH.HLS1 or 2 1 0,20 0,40 0,60 0,80 1,10
MBH.HLS1 or 2 2 – – – 0,45 0,80
Fibreboard, EN 622-5
MDF
MDF.LA, MDF.HLS 1 0,20 0,40 0,60 0,80 1,10
MDF.HLS 2 – – – 0,45 0,80
3.1.4 Deformation modification factors for service classes

Table 3.2, delete and replace with

B for timber and wood-based materials
Table 3.2 – Values of kBdef
Material Standard Service class
1 2 3
Solid timber EN 14081-1 0,60 0,80 2,00
Glued Laminated EN 14080 0,60 0,80 2,00
timber
LVL EN 14374, EN 14279 0,60 0,80 2,00
Plywood EN 636
Type EN 636-1 0,80 – –
Type EN 636-2 0,80 1,00 –
Type EN 636-3 0,80 1,00 2,50
OSB EN 300
OSB/2 2,25 – –
OSB/3, OSB/4 1,50 2,25 –
Particleboard EN 312
Type P4 2,25 – –
Type P5 2,25 3,00 –
Type P6 1,50 – –
Type P7 1,50 2,25 –
Fibreboard, hard EN 622-2
HB.LA 2,25 – –
HB.HLA1, HB.HLA2 2,25 3,00 –
Fibreboard, medium EN 622-3
MBH.LA1, MBH.LA2 3,00 – –
MBH.HLS1, MBH.HLS2 3,00 4,00 –
Fibreboard, MDF EN 622-5
MDF.LA 2,25 – –
MDF.HLS 2,25 3,00 –
3.3 Glued laminated timber
Paragraph (4)P, modify to read as follows:
Large finger joints complying with the requirements of EN 387 shall not be used for products to be
installed in service class 3, where the direction of grain changes at the joint.

3.4 Laminated veneer lumber (LVL)
Paragraph (6)P, modify to read as follows:
Large finger joints complying with the requirements of EN 387 shall not be used for products to be
installed in service class 3, where the direction of grain changes at the joint.

6.1.5 Compression perpendicular to the grain

Delete paragraphs (1) to (7) and replace with:

(1)P The following expression shall be satisfied:
σ ≤kf (6.3)
c,90,d c,90 c,90,d
with:
F
c,90,d
σ =
(6.4)
c,90,d
A
ef
whe
...