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Dansk standard DS/EN 1992-1-2:2004/A1:2019
Eurocode 2: Betonkonstruktioner – Del 1-2: Generelle regler – Brandteknisk dimensionering
Eurocode 2: Design of concrete structures – Part 1-2: General rules – Structural fire design
2019-05-21
DANSK STANDARDDanish Standards Association
Göteborg Plads 1DK-2150 Nordhavn
Tel: +45 39 96 61 01Tel: +45 39 96 61 01
© Dansk Standard - Eftertryk uden tilladelse forbudt
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DS/EN 1992-1-2:2004/A1:2019KøbenhavnDS projekt: M317572ICS: 13.220.50; 91.010.30; 91.070.20; 91.080.40
DS-publikationstyperDansk Standard udgiver forskellige publikationstyper.Typen på denne publikation fremgår af forsiden.
Der kan være tale om:Dansk standard• standard, der er udarbejdet på nationalt niveau, eller som er baseret på et andet lands nationale standard, eller• standard, der er udarbejdet på internationalt og/eller europæisk niveau, og som har fået status som dansk standardDS-information• publikation, der er udarbejdet på nationalt niveau, og som ikke har opnået status som standard, eller• publikation, der er udarbejdet på internationalt og/eller europæisk niveau, og som ikke har fået status som
standard, fx en teknisk rapport, eller• europæisk præstandardDS-håndbog• samling af standarder, eventuelt suppleret med informativt materialeDS-hæfte• publikation med informativt materiale
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Overensstemmelse med anden publikation:Overensstemmelse kan enten være IDT, EQV, NEQ eller MOD
• IDT: Når publikationen er identisk med en given publikation.• EQV: Når publikationen teknisk er i overensstemmelse med en given publikation, men
præsentationen er ændret.• NEQ: Når publikationen teknisk eller præsentationsmæssigt ikke er i overensstemmelse med en
given standard, men udarbejdet på baggrund af denne.• MOD: Når publikationen er modificeret i forhold til en given publikation.
Første del af denne publikations betegnelse er: DS/EN, hvilket betyder, at det er en europæisk standard, der har status som dansk standard.
Denne publikations overensstemmelse er: IDT med: EN 1992-1-2:2004/A1: 2019
DS-publikationen er på engelsk.
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EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
EN 1992-1-2/A1
May 2019
ICS 91.010.30; 91.080.40
EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2019 CEN Ref. No. EN 1992-1-2:2004/A1:2019: EAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members
Eurocode 2: Design of concrete structures - Part 1-2: General rules - Structural fire design
Eurocode 2 : Calcul des structures en béton - Partie 1-2 : Règles générales -
Calcul du comportement au feu
Eurocode 2: Bemessung und Konstruktion von Stahlbeton- und Spannbetontragwerken
- Teil 1-2: Allgemeine Regeln - Tragwerksbemessung für den Brandfall
This amendment A1 modifies the European Standard EN 1992-1-2:2004; it was approved by CEN on 8 March 2019.
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-CENELEC 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-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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
English Version
DS/EN 1992-1-2:2004/A1:2019
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EN 1992-1-2:2004/A1:2019(EN)
Contents Page
European foreword .............................................................................................................................................................................................................. 31 Modificationof4.2.1(1) ................................................................................................................................................................................. 42 Modificationof5.3.3(1) ................................................................................................................................................................................. 43 New Annex C .............................................................................................................................................................................................................. 4AnnexC(informative)Bucklingofcolumnsunderfireconditions ................................................................................... 5
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European foreword
This document (EN 1992-1-2:2004/A1: 2019) has been prepared by Technical Committee CEN/TC 250 “Structural Eurocodes”, the secretariat of which is held by BSI.
This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2019, and conflicting national standards shall be withdrawn at the latest by November 2019.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: 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, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
EN 1992-1-2:2004/A1:2019(EN)
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Eurocode 2: Design of concrete structures –
Part 1-2: Generalrules–Structuralfiredesign
1 Modificationof4.2.1(1)
Replace existing NOTE 2 in paragraph (1) of 4.2.1 with the following new NOTE 2:
"NOTE 2 Tabulated data for the fire design of slender reinforced columns in braced and unbraced systems is given in Annex C.".
2 Modificationof5.3.3(1)
Delete the following sentence in paragraph (1) of 5.3.3:
"Further information is given in Annex C.".
3 New Annex C
Replace the existingAnnex Cwith the following:
"
EN 1992-1-2:2004/A1:2019(EN)
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Annex C (informative)
Bucklingofcolumnsunderfireconditions
(1) The tables in this annex provide information for assessing columns with rectangular cross section in braced or unbraced structures giving the maximum permissible slenderness ratio under fire conditions, λfi,max. The slenderness ratio in the fire situation is λfi = l0,fi / i, where the effective column length, l0,fi, is defined by the actual length of the column, l, and the support conditions under fire conditions.
The effective length in fire l0,fi may be taken as the effective length l0 in ambient conditions in all cases. For braced building structures where the required standard fire exposure is higher than 30 min and the column is continuous through a slab that provides fire separation, the effective length l0,fi may be taken as 0,5 l for intermediate floors and 0,5 l ≤ l0,fi ≤ 0,7 l for the upper floor. Intermediate values of l0,fi / l may be chosen depending of the actual moment restraints at the supports under fire conditions. For unbraced structures l0,fi should be taken as the lesser of 2l or l0 in ambient conditions.
The radius of gyration i is shown in Figure C.1.
The tables are valid for the range of thermal conductivity between the lower and upper limit given in 3.3.3. The column slenderness λfi is limited to values ≤ 55.
(2) The following parameters are needed to use the tables in this annex:
h, b dimensions of column cross section, b ≤ h
Ac cross sectional area of column, Ac = b × h
nfi
load ratio: nfi = (C.1)
𝜔
modified mechanical reinforcement ratio: 𝜔 =
Asc,e and Ast,e are defined in (3).
eN modified, total first order eccentricity of the normal force, NEd,fi,
see Figure C.1. However, eN ≥ e0 , see EN 1992-1-1:2004, 6.1(4)
a axis distance of the main bars
NEd,fi design axial load in the fire condition
M0Ed,fi design first order moment in the fire condition
The tables are not applicable for fck > 50 MPa. The reference dimension for the cross section in the tables is always the smaller cross section dimension b.
EN 1992-1-2:2004/A1:2019(EN)
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(3) Asc,e is the cross-sectional area of the reinforcement at the distance a from the most compressed side of the column and Ast,e is the cross-sectional area of the reinforcement at the distance a from the least compressed side of the column. Other reinforcing bars in the cross section are disregarded.
Buckling around y-axis and z-axis should be examined. The tables may be used for buckling around both the z-axis and the y-axis as defined in Figure C.1. They may also be used for rectangular cross sections with asymmetric reinforcement arrangement. For buckling around both the z-axis or the y-axis, the smaller dimension b should be used as the parameter in the tables.
For buckling around the y-axis, the actual first order eccentricity of the normal force in the fire condition may be reduced by the factor b/h. Using the tables, eN always is at least 20 mm.
For columns with asymmetric reinforcement arrangements, the minimum values of Asc,e and Ast,e shall be used.
a) b) Buckling around z-axis:
eN = ;
Buckling around y-axis:
eN =
Keyreinforcing bars to be disregardedreinforcing bars
Figure C.1 — Rectangular cross sections
(4) For rectangular cross sections the minimum number of reinforcing bars in each Asc and Ast is given in Table C.1.
Table C.1 — Minimum number of reinforcing bars
ω Minimum dimension of column section, b600 mm 500 mm 400 mm 300 mm 250 mm 200 mm
0,1 3 3 3 2 2 20,2 3 3 3 2 2 20,5 3 3 3 2 2 21,0 5 4 3 2 2 2
EN 1992-1-2:2004/A1:2019(EN)
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(5) In accordance with EN 1992-1-1:2004, 4.4.1.2(3) the axis distance for the reinforcing bars in the cross section shall fulfil a> 1,5ϕsl , where ϕsl is the bar diameter.
(6) When using the tables within this annex, linear interpolation is permitted.
EN 1992-1-2:2004/A1:2019(EN)
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EN 1992-1-2:2004/A1:2019(EN)TableC.2—Maximum
permissibleslendernessratiounderfireconditionsforbracedandunbracedcolumns:R30
R30
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,1
2025
5555
5255
5550
5555
4755
5040
5547
3555
4228
2045
5555
5555
5555
5555
5555
5549
5555
4455
4936
2065
5555
5555
5555
5555
5555
5555
5555
4855
4637
2085
5555
5555
5555
5555
5555
5555
5554
4754
44
5025
5555
4655
5442
5550
3654
3921
4932
40
18
5045
5555
5555
5552
5555
4555
4727
5538
47
19
5065
5555
5555
5555
5555
5155
5131
5538
43
5085
5555
5555
5555
5555
55
4728
5233
37
100
2555
4832
5542
2252
33
35
21
10
045
5555
4155
5129
5540
45
30
100
6555
5547
5555
3355
43
28
10
085
5555
55
5532
5539
22
8
DS/EN 1992-1-2:2004/A1:2019
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EN 1992-1-2:2004/A1:2019(EN)
R30
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,2
2025
5555
5455
5552
5555
4855
5340
5550
3655
4428
2045
5555
5555
5555
5555
5555
5551
5555
4555
5136
2065
5555
5555
5555
5555
5555
5555
5555
4855
4736
2085
5555
5555
5555
5555
5555
5554
5554
4555
4234
5025
5555
4755
5543
5554
3755
4321
5536
50
22
5045
5555
5555
5555
5555
4755
5229
5543
55
24
5065
5555
5555
5555
5555
5455
5532
5540
48
5085
5555
5555
5555
5555
5155
4726
5531
38
100
2555
5333
5547
2455
38
48
37
10
045
5555
4455
5533
5547
55
18
48
23
100
6555
5551
5555
3855
51
55
45
10
085
5555
55
5535
5543
52
28
Tabl
e C.
2 (c
ontin
ued)
9
DS/EN 1992-1-2:2004/A1:2019
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EN 1992-1-2:2004/A1:2019(EN)
R30
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,5
2025
5555
5555
5553
5555
5055
5540
5554
3555
4728
2045
5555
5555
5555
5555
5555
5553
5555
4755
5537
2065
5555
5555
5555
5555
5555
5555
5555
4855
4733
2085
5555
5555
5555
5555
5555
5551
5551
3954
3625
5025
5555
4955
5545
5555
3855
4720
5540
55
27
5045
5555
5555
5555
5555
5255
5533
5550
55
32
5065
5555
5555
5555
5555
5555
5536
5546
55
5085
5555
5555
5555
5555
5155
4719
5526
34
100
2555
5535
5554
2555
46
5522
55
45
10
045
5555
5055
5540
5555
1555
33
55
51
100
6555
5555
5555
4655
5514
5531
55
10
085
5555
5555
5539
5550
55
30
Tabl
e C.
2 (c
ontin
ued)
10
DS/EN 1992-1-2:2004/A1:2019
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R30
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
1,0
2025
5555
5555
5555
5555
4955
5539
5555
3455
4925
2045
5555
5555
5555
5555
5555
5555
5555
4855
5537
2065
5555
5555
5555
5555
5555
5555
5555
4855
4731
2085
5555
5555
5555
5555
5555
5547
5548
3349
27
5025
5555
5355
5547
5555
3855
4917
5542
55
29
5045
5555
5555
5555
5555
5555
5535
5555
1655
37
5065
5555
5555
5555
5555
5555
5539
5550
55
5085
5555
5555
5555
5555
5155
46
5516
22
100
2555
5539
5555
2755
50
5525
55
55
10
045
5555
5555
5546
5555
2255
42
55
55
100
6555
5555
5555
55
5525
5541
55
23
10
085
5555
5555
55
5553
55
26
Tabl
e C.
2 (c
ontin
ued)
11
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EN 1992-1-2:2004/A1:2019(EN)TableC.3—Maximum
permissibleslendernessratiounderfireconditionsforbracedandunbracedcolumns:R60
R60
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,1
2025
5548
3955
4636
5243
3143
3521
3830
31
20
2045
5555
4855
5545
5551
3955
4229
4936
2240
25
2065
5555
5555
5552
5555
4655
4736
5139
2738
25
2085
5555
5555
5555
5555
5055
4738
4837
2933
24
5025
5243
3250
4027
4534
1633
20
25
5045
5553
4055
4935
5542
2446
28
3815
24
5065
5555
4755
5541
5548
2951
32
4015
23
5085
5555
5455
5547
5549
3249
31
36
100
2545
3415
4027
31
10
10
045
5543
2354
36
4520
26
100
6555
4928
5541
51
23
30
10
085
5554
3255
44
5222
28
12
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R60
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,2
2025
5549
3855
4735
5543
3044
3419
4029
33
18
2045
5555
4955
5546
5554
4055
4430
5538
2245
26
2065
5555
5555
5554
5555
4855
5036
5540
2642
25
2085
5555
5555
5555
5555
5155
4837
5137
2733
21
5025
5544
3154
4125
5035
1435
19
28
5045
5555
4255
5336
5546
2654
31
4618
33
5065
5555
5055
5543
5552
3155
35
4818
29
5085
5555
5555
5549
5553
3455
32
41
100
2550
3511
4528
38
11
10
045
5548
2555
40
5526
38
23
100
6555
5531
5546
1055
30
43
25
10
085
5555
3655
5012
5529
39
Tabl
e C.
3 (c
ontin
ued)
13
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EN 1992-1-2:2004/A1:2019(EN)
R60
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,5
2025
5550
3555
4731
5543
2648
30
4324
36
2045
5555
5155
5547
5555
4255
4730
5540
2154
28
2065
5555
5555
5555
5555
5055
5437
5543
2647
26
2085
5555
5555
5555
5555
5355
5137
5538
2434
18
5025
5545
2655
4119
5534
39
33
20
5045
5555
4355
5538
5551
2755
35
5523
44
5065
5555
5355
5547
5555
3555
40
5523
36
5085
5555
5555
5553
5555
3755
36
4814
100
2555
35
5527
49
18
10
045
5554
2755
479
5534
55
43
100
6555
5537
5555
2055
40
55
41
10
085
5555
4355
5523
5540
53
25
Tabl
e C.
3 (c
ontin
ued)
14
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)
R60
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
1,0
2025
5555
3655
5030
5540
1848
22
4314
35
2045
5555
5555
5550
5555
4255
5029
5542
1955
30
2065
5555
5555
5555
5555
5255
5537
5545
2652
27
2085
5555
5555
5555
5555
5555
5437
5539
2234
5025
5550
2755
4315
5530
39
32
18
5045
5555
4855
5541
5555
2855
38
5525
49
5065
5555
5555
5551
5555
3855
44
5528
41
5085
5555
5555
5555
5555
4055
40
5317
100
2555
41
5529
54
18
10
045
5555
3255
5514
5539
55
51
27
100
6555
5544
5555
2755
48
55
51
10
085
5555
5055
5531
5548
55
34
Tabl
e C.
3 (c
ontin
ued)
15
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)TableC.4—Maximum
permissibleslendernessratiounderfireconditionsforbracedandunbracedcolumns:R90
R90
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,1
2025
4942
3347
4029
4436
2334
26
2918
21
2045
5549
3955
4635
5341
2941
3016
3522
25
2065
5555
4655
5342
5547
3548
3522
4025
26
2085
5555
5255
5547
5551
4048
3625
3725
1422
5025
4537
2542
3319
3726
24
5045
5544
3152
4024
4632
932
13
23
5065
5551
3755
4630
5437
1539
18
28
5085
5555
4355
5035
5540
1939
17
26
100
2538
27
3219
23
10
045
4834
942
25
33
100
6555
4016
5131
41
16
10
085
5544
1955
34
43
16
16
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)
R90
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,2
2025
5242
3150
4027
4635
2135
24
3016
21
2045
5551
3955
4835
5543
2945
3115
3922
27
2065
5555
4755
5543
5550
3654
3622
4426
28
2085
5555
5455
5549
5553
4053
3724
4025
22
5025
4837
2345
3316
4026
25
15
5045
5546
3155
4124
5334
37
13
28
5065
5555
3955
4931
5540
1746
20
35
5085
5555
4555
5436
5543
2145
19
30
100
2541
27
3618
27
10
045
5536
850
27
42
17
100
6555
4519
5535
52
14
30
10
085
5550
2355
39
5413
28
Tabl
e C.
4 (c
ontin
ued)
17
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)
R90
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,5
2025
5541
2654
3822
5133
1536
18
31
20
2045
5553
3855
5034
5544
2751
30
4420
29
2065
5555
4955
5544
5554
3755
3921
5128
32
2085
5555
5555
5551
5555
4255
3923
4525
22
5025
5335
1650
31
4622
27
18
5045
5548
3055
4422
5535
44
35
5065
5555
4155
5534
5545
2055
24
43
5085
5555
4855
5540
5548
2354
23
36
100
2547
24
4211
35
10
045
5539
55
30
55
30
100
6555
5222
5542
55
25
44
24
10
085
5555
2955
47
5526
40
Tabl
e C.
4 (c
ontin
ued)
18
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)
R90
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
1,0
2025
5542
2355
3716
5227
35
29
2045
5555
4155
5535
5545
2454
27
4617
30
2065
5555
5455
5548
5555
3855
4120
5530
35
2085
5555
5555
5555
5555
4355
4123
4826
23
5025
5537
855
29
4712
25
5045
5555
3355
4822
5535
47
37
5065
5555
4655
5537
5550
2155
28
49
22
5085
5555
5455
5544
5553
2655
27
40
100
2555
24
51
36
10
045
5547
55
35
55
33
100
6555
5529
5550
55
31
52
32
10
085
5555
3655
5510
5534
48
20
Tabl
e C.
4 (c
ontin
ued)
19
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)TableC.5—Maximum
permissibleslendernessratiounderfireconditionsforbracedandunbracedcolumns:R120
R12
0
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,1
2025
4538
2943
3624
3931
1729
19
23
2045
5244
3350
4029
4535
2132
21
26
2065
5550
3955
4635
5340
2739
25
30
2085
5555
4555
5140
5544
3240
2715
2914
5025
4134
2138
2912
3220
17
5045
4838
2545
3316
3824
21
5065
5545
3154
3922
4629
30
18
5085
5550
3555
4327
5032
31
15
100
2533
23
2712
15
10
045
4128
35
17
24
100
6551
34
4423
33
10
085
5538
649
26
37
20
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)
R12
0
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,2
2025
4738
2744
3522
4130
1429
16
23
2045
5544
3253
4128
4935
2033
19
27
2065
5553
4055
4935
5542
2744
26
33
2085
5555
4655
5441
5546
3244
2713
31
5025
4333
1839
28
3419
18
5045
5339
2349
3414
4324
23
5065
5548
3255
4223
5432
36
23
5085
5553
3755
4628
5535
36
19
100
2535
22
308
19
10
045
4628
40
17
30
100
6555
37
5427
43
17
10
085
5542
1155
30
47
17
Tabl
e C.
5 (c
ontin
ued)
21
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)
R12
0
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,5
2025
4935
2047
3115
4325
30
23
2045
5544
2955
4024
5534
1536
13
27
2065
5555
4155
5236
5545
2751
28
38
2085
5555
4855
5542
5549
3350
29
3414
5025
4629
43
23
3810
20
5045
5539
1855
33
5022
27
5065
5552
3255
4624
5536
44
29
5085
5555
3955
5230
5540
944
24
100
2539
15
34
25
10
045
5427
49
13
40
100
6555
426
5532
55
31
10
085
5549
1755
38
5511
29
Tabl
e C.
5 (c
ontin
ued)
22
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)
R12
0
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
1,0
2025
5533
1250
27
4317
28
17
2045
5550
3055
4322
5531
34
24
2065
5555
4555
5538
5547
2755
28
4114
2085
5555
5355
5545
5553
3455
31
3815
5025
5225
46
16
36
15
5045
5544
1955
35
5217
24
5065
5555
3655
5126
5538
49
33
5085
5555
4455
5534
5544
1249
14
29
100
2546
37
22
10
045
5533
55
16
42
100
6555
5113
5539
55
14
37
10
085
5555
2455
46
5522
36
Tabl
e C.
5 (c
ontin
ued)
23
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)TableC.6—Maximum
permissibleslendernessratiounderfireconditionsforbracedandunbracedcolumns:R180
R18
0
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,1
2025
4034
2237
3017
3122
21
2045
4537
2642
3320
3524
22
2065
5141
3047
3725
3927
1225
2085
5546
3553
4129
4430
1727
5025
3628
1332
22
23
5045
4132
1637
25
2810
5065
4736
2142
297
3314
13
5085
5440
2548
3313
3717
16
100
2527
16
20
10
045
3320
26
100
6540
23
32
17
10
085
4728
39
11
23
24
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)
R18
0
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,2
2025
4032
2037
2813
3119
21
2045
4837
2444
3218
3723
23
2065
5542
3052
3724
4327
1026
2085
5548
3555
4329
4931
1629
5025
3627
632
20
24
5045
4431
1440
25
31
5065
5236
1947
29
3714
14
5085
5543
2655
3514
4319
19
100
2528
13
21
10
045
3719
30
15
100
6545
24
39
25
10
085
5531
47
16
32
Tabl
e C.
6 (c
ontin
ued)
25
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)
R18
0
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,5
2025
4128
1138
22
3211
19
2045
5335
1949
3012
4119
21
2065
5543
2755
3721
4927
26
2085
5552
3655
4629
5534
1533
5025
3720
33
10
25
5045
4929
45
21
35
5065
5537
1555
29
4412
14
5085
5546
2655
3914
5223
25
100
2529
23
10
045
4312
37
23
100
6555
24
48
34
10
085
5536
55
22
43
Tabl
e C.
6 (c
ontin
ued)
26
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)
R18
0
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
1,0
2025
4220
38
13
30
2045
5536
1553
28
4011
14
2065
5548
2855
4019
5225
25
2085
5555
3955
5031
5536
1436
15
5025
386
32
22
5045
5529
49
17
34
5065
5542
1655
32
47
5085
5553
2955
4315
5526
29
100
2530
20
10
045
5211
41
21
100
6555
31
559
37
10
085
5543
55
29
50
Tabl
e C.
6 (c
ontin
ued)
27
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)TableC.7—Maximum
permissibleslendernessratiounderfireconditionsforbracedandunbracedcolumns:R240
R24
0
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,1
2025
3730
1833
259
2511
2045
4133
2136
2712
2813
2065
4536
2439
2916
3116
2085
5039
2844
3220
3419
12
5025
3324
27
16
17
5045
3627
830
18
20
5065
4130
1234
21
23
5085
4633
1739
24
28
100
2524
10
14
10
045
2812
18
100
6533
15
23
10
085
3919
29
10
28
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)
R24
0
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,2
2025
3729
1533
23
26
2045
4232
1937
258
2910
2065
4835
2242
2913
3314
2085
5540
2848
3319
3719
12
5025
3322
27
13
17
5045
3826
32
16
21
5065
4429
937
20
26
5085
5234
1644
24
31
100
2525
15
10
045
319
21
100
6537
14
28
10
085
4520
35
18
Tabl
e C.
7 (c
ontin
ued)
29
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)
R24
0
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
0,5
2025
3823
33
16
26
2045
4528
1139
21
29
2065
5334
1847
26
359
2085
5541
2655
3416
4219
5025
3414
28
18
5045
4121
35
22
5065
5027
43
16
29
5085
5535
1351
25
36
100
2526
16
10
045
34
26
100
6544
7
35
13
10
085
5422
44
25
Tabl
e C.
7 (c
ontin
ued)
30
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
EN 1992-1-2:2004/A1:2019(EN)
R24
0
b
(mm
)60
050
040
030
025
020
0
n fi
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
0,2
0,4
0,6
e N
(mm
)a
(mm
)λ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
axλ fi,m
ax
ω =
1,0
2025
3714
32
21
2045
4824
40
13
26
2065
5537
1553
26
35
2085
5547
2755
3615
4519
5025
33
26
5045
4414
35
17
5065
5530
48
15
28
5085
5541
1455
28
40
100
2524
11
10
045
37
24
100
6554
12
41
9
10
085
5529
53
29
Tabl
e C.
7 (c
ontin
ued)
31
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.
".
EN 1992-1-2:2004/A1:2019(EN)
32
DS/EN 1992-1-2:2004/A1:2019
This is a preview of "DS/EN 1992-1-2:2004/...". Click here to purchase the full version from the ANSI store.