Eurocode 9 Part 1 3 1999 2007 Design of Aluminium Structures Structures Susceptible to Fatigue UK NA

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WB9423_BSI_StandardColCov_noK_AW:BSI FRONT COVERS 5/9/08 12:55 Page 1

UK National Annex to

Eurocode 9: Design of

aluminium structures –

Part 1-3: Structures susceptible
to fatigue

NA to BS EN 1999-1-3:2007

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NA to BS EN 1999-1-3:2007

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Publishing and copyright information

the BSi copyright notice displayed in this document indicates when the
document was last issued.

© BSi 2008

iSBN 978 0 580 55096 6

iCS 77.150.10, 91.080.10

the following BSi references relate to the work on this standard:
Committee reference B/525/9
draft for comment 08/30129903 dC

Publication history

First published November 2008

Amendments issued since publication

Amd. No.

Date

Text affected

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© BSI 2008 •

i

NA to BS EN 1999-1-3:2007

Contents

introduction 1
NA.1 Scope 1
NA.2 Nationally determined Parameters 1
NA.3 decisions on the status of informative annexes 5
NA.4 references to non-contradictory complementary information 5
Bibliography 6

List of tables
table NA.1 – UK values for Nationally determined Parameters
described in BS EN 1999-1-3:2007 2
table NA.2 – UK decisions on the status of informative annexes in
BS EN 1999–1-3:2007 5

Summary of pages
this document comprises a front cover, an inside front cover,
pages i to ii, pages 1 to 6, an inside back cover and a back cover.

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1

NA to BS EN 1999-1-3:2007

National Annex (informative) to

BS EN 1999-1-3:2007, Eurocode 9: Design of

aluminium structures – Part 1-3: Structures

susceptible to fatigue

Introduction

this National Annex has been prepared by BSi Subcommittee, B/525/9,
Structural use of aluminium. in the UK it is to be used in conjunction
with BS EN 1999-1-3:2007, Structures susceptible to fatigue.

NA.1 Scope

this National annex gives:

the UK decisions for the Nationally determined Parameters

a)

described in the following subclauses of BS EN 1999-1-3:2007:

2.1.1(1)

5.8.1(1)

A.3.1(1)

2.2.1(3)

5.8.2(1)

E(5)

2.3.1(3)

6.1.3(1)

E(7)

2.3.2(6)

6.2.1(2)

I.2.2(1)

2.4(1)

6.2.1(7)

I.2.3.2(1)

3(1)

6.2.1(11)

I.2.4(1)

4(2)

6.2.4(1)

the UK decisions on the status of BS EN 1999-1-3:2007 informative

b)

annexes; and

references to non-contradictory complementary information.

c)

NA.2 Nationally Determined Parameters

UK decisions for the Nationally determined Parameters described in
BS EN 1999-1-3:2007 are given in table NA.1.

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NA to BS EN 1999-1-3:2007

2

• © BSI 2008

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table

NA.1

UK

values

for

Nationally

Determined

Parameters

described

in

BS

EN

1999-1-3:2007

(continued)

Subclause

Nationally

Determined

Parameter

Eur

ocode

recommendation

UK

decision

2.1.1

(1)

r

u

le

s

fo

r

th

e

ap

p

lic

at

io

n

o

f

th

e

d

am

ag

e

tolerant

design

method

Conditions

in

a)

to

d)

of

A.3.1

(1)

U

se

t

h

e

re

co

m

m

en

d

ed

c

o

n

d

it

io

n

s.

d

am

ag

e

to

le

ra

n

t

d

es

ig

n

m

ay

o

n

ly

b

e

u

se

d

with

the

agreement

of

the

client.

it

is

r

ec

o

m

m

en

d

ed

t

h

at

d

am

ag

e

to

le

ra

n

t

d

es

ig

n

is

n

o

t

u

se

d

f

o

r

st

ru

ct

u

re

s

th

at

a

re

cl

as

si

fi

ed

a

s

co

n

se

q

u

en

ce

c

la

ss

C

C

3

ac

co

rd

in

g

to

BS

EN

1990:2002.

2.2.1

(3)

V

alue

of

safe

life

design

damage

limit

d

lim

d

lim

=

1,0

Use

the

recommended

value.

2.3.1

(3)

r

u

le

s

fo

r

th

e

d

et

er

m

in

at

io

n

o

f

fa

ti

g

u

e

lo

ad

in

g

n

o

t

co

ve

re

d

b

y

a

Eu

ro

p

ea

n

standard

[None]

Eu

ro

p

ea

n

s

ta

n

d

ar

d

s

g

iv

e

d

at

a

fo

r

m

o

st

ap

p

lic

at

io

n

s

an

d

p

ro

ce

d

u

re

s.

N

o

f

u

rt

h

er

d

at

a

ar

e

cu

rr

en

tl

y

av

ai

la

b

le

. W

h

en

a

va

ila

b

le

, d

at

a

will

be

included

in

Pd

6702-1

1)

.

2.3.2

(6)

N

u

m

b

er

s

o

f

st

an

d

ar

d

d

ev

ia

ti

o

n

s

to

b

e

u

se

d

in

d

er

iv

in

g

t

h

e

co

n

fi

d

en

ce

li

m

it

f

o

r

the

design

load

spectrum

k

F

=

k

N

=

2

Use

the

recommended

values.

2.4

(1)

Partial

factors

to

be

used

for

fatigue

loads

γ

Ff

=

1,0

when

normal

confidence

limits

ar

e

u

se

d

. V

al

u

es

g

iv

en

in

t

ab

le

2

.1

f

o

r

o

th

er

c

o

n

fi

d

en

ce

li

m

it

s

Use

the

recommended

values.

3(1)

Fa

ti

g

u

e

d

at

a

fo

r

ce

rt

ai

n

lo

w

s

tr

en

g

th

al

lo

ys

li

st

ed

in

B

S

EN

1

99

9-

1-

1:

20

07

(E

N

A

W

-3

00

5,

E

N

A

W

-3

10

3,

E

N

A

W

-5

00

5,

an

d

E

N

A

W

-8

01

1A

in

a

ll

te

m

p

er

s

an

d

EN

A

W

-6060

in

temper

t

5)

[None]

N

o

d

at

a

ar

e

cu

rr

en

tl

y

av

ai

la

b

le

. W

h

en

available,

data

will

be

included

in

Pd

6702-1.

4(2)

in

fo

rm

at

io

n

o

n

f

at

ig

u

e

st

re

n

g

th

d

at

a

an

d

d

u

ra

b

ili

ty

u

n

d

er

a

g

g

re

ss

iv

e

ex

p

o

su

re

conditions,

based

on

local

exposure

conditions

[None]

N

o

d

at

a

ar

e

cu

rr

en

tl

y

av

ai

la

b

le

. W

h

en

available,

data

will

be

included

in

Pd

6702-1.

5.8.1

(1)

in

fo

rm

at

io

n

o

n

t

h

e

u

se

o

f

n

o

m

in

al

s

tr

es

s

ra

n

g

es

o

r

m

o

d

ifi

ed

n

o

m

in

al

s

tr

es

s

ra

n

g

es

for

standardized

fatigue

loads

[None]

N

o

d

at

a

ar

e

cu

rr

en

tl

y

av

ai

la

b

le

. W

h

en

available,

data

will

be

included

in

Pd

6702-1.

1)

in

preparation.

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© BSI 2008 •

3

NA to BS EN 1999-1-3:2007

table

NA.1

UK

values

for

Nationally

Determined

Parameters

described

in

BS

EN

1999-1-3:2007

(continued)

Subclause

Nationally

Determined

Parameter

Eur

ocode

recommendation

UK

decision

5.8.2

(1)

in

fo

rm

at

io

n

f

o

r

d

et

er

m

in

in

g

t

h

e

d

es

ig

n

va

lu

e

o

f

n

o

m

in

al

s

tr

es

s

ra

n

g

es

, w

h

er

e

n

o

ap

p

ro

p

ri

at

e

d

at

a

ar

e

av

ai

la

b

le

f

o

r

d

am

ag

e

equivalent

factors

[None]

Use

the

recommendations

in

Pd

6702-1.

NOTE

The

simplified

approaches

given

in

parts

of

BS

EN

1991

(e.g.

for

cranes)

are

not

valid

for

al

u

m

in

iu

m

a

s

th

ey

a

re

b

as

ed

o

n

S

-N

s

lo

p

e

m

=

3

for

normal

stress

and

m=5

for

shear

stress.

6.1.3

(1)

A

s

et

o

f

d

et

ai

l c

at

eg

o

ri

es

a

n

d

c

o

n

st

ru

ct

io

n

al

d

et

ai

ls

, t

o

g

et

h

er

w

it

h

a

s

et

o

f

co

n

si

st

en

ce

cr

it

er

ia

f

o

r

su

ch

m

em

b

er

s,

t

ak

in

g

t

h

e

provisions

in

6.1.2

and

6.3

into

account

d

etail

categories

in

Annex

J

U

se

t

h

e

ta

b

le

s

in

P

d

6

70

2-

1

in

p

la

ce

o

f

Annex

J.

C

o

n

st

ru

ct

io

n

al

d

et

ai

ls

n

o

t

co

ve

re

d

b

y

Annex

J

[None]

6.2.1

(2)

V

al

u

e

o

f

p

ar

ti

al

f

ac

to

r

fo

r

u

n

ce

rt

ai

n

ti

es

in

materials

and

execution

(specific

constructional

detail

types)

γ

Mf

=

1,0

for

safe

life

design

and

damage

tolerant

design

Use

the

recommended

value

of

γ

Mf

in

co

n

ju

n

ct

io

n

w

it

h

t

h

e

co

n

st

ru

ct

io

n

al

d

et

ai

l

types

given

in

Pd

6702-1.

6.2.1

(7)

A

d

d

it

io

n

al

p

ro

vi

si

o

n

s

fo

r

fa

ti

g

u

e

d

es

ig

n

fo

r

en

d

u

ra

n

ce

s

in

t

h

e

ra

n

g

e

b

el

o

w

10

5

cycles

Guidance

in

Annex

F

Use

the

recommendations

given

in

Pd

6702-1.

6.2.1

(11)

d

et

ai

l t

yp

e

an

d

t

h

ic

kn

es

s

ra

n

g

e

fo

r

w

h

ic

h

an

in

cr

ea

se

in

t

h

e

fa

ti

g

u

e

st

re

ss

v

al

u

e

m

ay

b

e

p

er

m

it

te

d

, a

s

w

el

l a

s

th

e

n

u

m

b

er

o

f

categories

th

e

in

cr

ea

se

in

n

u

m

b

er

o

f

ca

te

g

o

ri

es

should

not

exceed

2

Use

the

recommendations

given

in

Pd

6702-1.

6.2.4

(1)

h

ot

spot

reference

detail

method

M

et

h

o

d

in

A

n

n

ex

K

c

an

b

e

u

se

d

in

combination

with

Annex

J

Use

the

recommendations

given

in

Pd

6702-1.

A.3.1

(1)

C

o

n

d

it

io

n

s

fo

r

th

e

u

se

o

f

d

am

ag

e

to

le

ra

n

t

design

C

o

n

d

it

io

n

s

in

a

)

to

d

)

Use

the

recommended

conditions.

E(5)

Pa

rt

ia

l f

ac

to

r

fo

r

d

es

ig

n

s

tr

en

g

th

v

al

u

es

fo

r

ad

h

es

iv

el

y

b

o

n

d

ed

jo

in

ts

(

sp

ec

ifi

c

constructional

detail

types)

γ

Mf

=

3,0

Use

the

recommended

value.

E(7)

te

m

p

er

at

u

re

li

m

it

s

fo

r

ad

h

es

iv

el

y

b

o

n

d

ed

jo

in

t

fa

ti

g

u

e

d

at

a

(w

h

en

ju

st

ifi

ed

b

y

te

st

according

to

Annex

C)

−20

°C

and

+60

°C

Use

the

recommended

values.

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NA to BS EN 1999-1-3:2007

4

• © BSI 2008

BritiSh StANdArd

table

NA.1

UK

values

for

Nationally

Determined

Parameters

described

in

BS

EN

1999-1-3:2007

(continued)

Subclause

Nationally

Determined

Parameter

Eur

ocode

recommendation

UK

decision

I.2.2

(1)

Fa

ti

g

u

e

st

re

n

g

th

v

al

u

es

f

o

r

w

el

d

ed

jo

in

ts

of

castings

[None]

N

o

d

at

a

ar

e

cu

rr

en

tl

y

av

ai

la

b

le

. W

h

en

available,

data

will

be

included

in

Pd

6702-1.

I.2.3.2

(1)

Fa

ti

g

u

e

st

re

n

g

th

v

al

u

es

f

o

r

p

in

n

ed

jo

in

ts

of

castings

[N

o

n

e]

N

o

d

at

a

ar

e

cu

rr

en

tl

y

av

ai

la

b

le

. W

h

en

available,

data

will

be

included

in

Pd

6702-1.

I.2.4

(1)

Fa

ti

g

u

e

st

re

n

g

th

v

al

u

es

f

o

r

ad

h

es

iv

el

y

bonded

joints

in

castings

[N

o

n

e]

N

o

d

at

a

ar

e

cu

rr

en

tl

y

av

ai

la

b

le

. W

h

en

available,

data

will

be

included

in

Pd

6702-1.

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© BSI 2008 •

5

NA to BS EN 1999-1-3:2007

NA.3 Decisions on the status of informative

annexes

UK decisions on the status of informative annexes in
BS EN 1999-1-3:2007 are given in table NA.2

table NA.2 UK decisions on the status of informative annexes in BS EN 1999–1-3:2007

Annex

Description

UK decision

Annex B

Guidance on assessment of crack growth
by fracture mechanics

May be used

Annex C

testing for fatigue design

recommended

Annex d

Stress analysis

recommended

Annex E

Adhesively bonded joints

May be used

Annex F

Low cycle fatigue range

Not recommended – see Pd 6702-1

Annex G

influence of r-ratio

May be used

Annex h

Fatigue strength improvement of welds

May be used

Annex i

Castings

May be used

Annex J

detail category tables

Not recommended – Pd 6702-1 provides an
alternative annex that is acceptable for use in
the UK

Annex K

hot spot reference detail method

Not recommended – Pd 6702-1 provides an
alternative annex that is acceptable for use in
the UK

NA.4 References to non-contradictory

complementary information

the following reference contains non-contradictory complementary
information for use with BS EN 1999-1-3.

Pd 6702-1, Recommendations for the design of aluminium structures
to BS EN 1999

Pd 6705-3, Recommendations for the execution of aluminium
structures to BS EN 1090-3

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NA to BS EN 1999-1-3:2007

6

• © BSI 2008

BritiSh StANdArd

Bibliography

Standards publications

For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including
any amendments) applies.

BS EN 1990:2002, Eurocode 0 – Basis of structural design

BS EN 1991 (all parts), Eurocode 1: Actions on structures

BS EN 1999-1-1: 2007, Eurocode 9: Design of aluminium structures –
Part 1-1: General

Pd 6702-1, Recommendations for the design of aluminium structures
to BS EN 1999

1)

Pd 6705-3, Recommendations for the execution of aluminium
structures to BS EN 1090-3

1)

1)

in preparation.

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WB9423_BSI_StandardColCov_noK_AW:BSI FRONT COVERS 5/9/08 12:55 Page 2

Licensed copy: BSI USER 06 Document Controller, Midmac Contracting Co. W.L.L, Version correct as of 03/08/2011 11:47, (c) BSI


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