Talat Lecture 2406: Annex 2

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TALAT Lecture 2406 – Annex 2 An Updating of TALAT Chapter 2400

Fatigue and Fracture in Aluminium Structures Proposal for a National Application Document (Updated from the TAS project) TAS

alu

Leonardo da Vinci program Training in Aluminium Alloy Structural Design

6 pages Prepared by Prof. Dimitris Kosteas Technische Universität München, Germany

Contents ♦ Fig. 5.2.1* Design Curves Ds - N for plain material detail categories in Table 5.1.1* ......2 ♦ Table 5.2.1* Numerical values of Ds (N/mm²) for plain material ......................................2 ♦ Fig. 5.2.2* Design Curves Ds - N for members with welded attachments / transverse weld toe detail categories in Table 5.1.2* ................................................................................... 3 ♦ Table 5.2.2* Numerical values of Ds (N/mm²) for members with welded attachments / transverse weld toe ............................................................................................................. 3 ♦ Fig. 5.2.3* Design Curves Ds-N for members with welded attachments / longitudinal welds................................................................................................................................... 4 ♦ Table 5.2.3* Numerical values of Ds (N/mm²) for members with welded attachments / longitudinal welds............................................................................................................... 4 ♦ Fig. 5.2.4* Design Curves Ds-N for welded joints between members ..............................5 ♦ Table 5.2.4* Numerical values of Ds (N/mm²) for welded joints between members.......5 ♦ Fig. 5.2.5* Design Curves Ds-N for crossing welds and built-up beams ......................6 ♦ Table 5.2.5* Numerical values of Ds-N for crossing welds and built-up beams ............6

Date of Issue: 1999  EAA - European Aluminium Association

TALAT 2406 – Annex 2

1

EC 9 - Design Curves 300

NC

Stress Range [N/mm²]

Plain Material Details Table 5.1.1 N L

ND

130-7 95-7 85-7 70-7

100 50

10 5 1E+04

1E+05

1E+06

1E+07

1E+08

No. of Cycles N

compare to Table 5.1.1 of ENV 1999-2 May 1998

eaa-ko-10-98

daten/praes/ec9revision

1E+09

Fig. 5.2.1* Design Curves Ds - N for plain material detail categories in Table 5.1.1*

Table 5.2.1* Numerical values of Ds (N/mm²) for plain material

Detail Category 2E+06 130,0 95,0 85,0 70,0

slope m1 7,0 7,0 7,0 7,0

m2 7,0 7,0 7,0 7,0

TALAT 2406 – Annex 2

Cycles N 1E+04 277,1 202,5 181,2 149,2

1E+05 199,4 145,7 130,4 107,4

2

1E+06 143,5 104,9 93,8 77,3

5E+06 114,0 83,3 74,6 61,4

1E+07 103,3 75,5 67,5 55,6

1E+08 74,3 54,3 48,6 40,0

1E+09 74,3 54,3 48,6 40,0

EC 9 - Design Curves 300

NC

Stress Range [N/mm²]

Welded Attachment Transverse Weld Toe

ND

N

Details Table 5.1.2

L

100 50

35-3,4 31-3,4 25-3,4 23-3.4 22-3,4 20-3,4 18-3,4

10 5 1E+04

1E+05

1E+06

1E+07

No. of Cycles N eaa-ko-10-98

daten/praes/ec9design

1E+08

1E+09

compare to Table 5.1.2(a) of ENV 1999-2 May 1998

Fig. 5.2.2* Design Curves Ds - N for members with welded attachments / transverse weld toe detail categories in Table 5.1.2*

Table 5.2.2* Numerical values of Ds (N/mm²) for members with welded attachments / transverse weld toe

Detail Category 2E+06 35,0 31,0 25,0 23,0 22,0 20,0 18,0

slope m1 3,4 3,4 3,4 3,4 3,4 3,4 3,4

m2 5,4 5,4 5,4 5,4 5,4 5,4 5,4

TALAT 2406 – Annex 2

Cycles N 1E+04 166,3 147,3 118,8 109,3 104,5 95,0 85,5

1E+05 84,5 74,8 60,3 55,5 53,1 48,3 43,4

3

1E+06 42,9 38,0 30,7 28,2 27,0 24,5 22,1

5E+06 26,7 23,7 19,1 17,6 16,8 15,3 13,7

1E+07 23,5 20,8 16,8 15,5 14,8 13,4 12,1

1E+08 15,3 13,6 11,0 10,1 9,6 8,8 7,9

1E+09 15,3 13,6 11,0 10,1 9,6 8,8 7,9

Attachment EC 9 - Design Curves Welded Plain Material

Longitudinal Welds

300

NC

Stress Range [N/mm²]

ND

N

Details Table 5.1.3

L

100 60-4,3 55-4,3 45-4,3 40-4,3 35-4,3 28-3,4

50

10 5 1E+04

1E+05

1E+06

1E+07

No. of Cycles N daten/praes/ec9design

eaa-ko-10-98

1E+08

1E+09

compare to Table 5.1.2 (b) of ENV 1999-2 May 1998

Fig. 5.2.3* Design Curves Ds-N for members with welded attachments / longitudinal welds

Table 5.2.3* Numerical values of Ds (N/mm²) for members with welded attachments / longitudinal welds

Detail Category 2E+06 60,0 55,0 45,0 40,0 35,0 28,0

slope m1 4,3 4,3 4,3 4,3 4,3 3,4

m2 6,3 6,3 6,3 6,3 6,3 5,4

TALAT 2406 – Annex 2

Cycles N 1E+04 205,7 188,6 154,3 137,1 120,0 133,0

1E+05 120,4 110,4 90,3 80,3 70,2 87,6

4

1E+06 70,5 64,6 52,9 47,0 41,1 34,3

5E+06 48,5 44,4 36,4 32,3 28,3 21,4

1E+07 43,4 39,8 32,6 29,0 25,3 18,8

1E+08 30,1 27,6 22,6 20,1 17,6 12,3

1E+09 30,1 27,6 22,6 20,1 17,6 12,3

EC 9 - Design Curves NC

Stress Range [N/mm²]

300

ND

Welded Joints Plain Material

Between Members N

L

Details Table 5.1.4

55-7,0 50-4,3 45-7,0 45-4,3 40-3,4 40-4,3 35-3,4 30-3,4 25-3,4 23-3,4 18-3,4 14-3,4 12-3,4

50

10 5 1E+04

1E+05

1E+06

1E+07

No. of Cycles N eaa-ko-10-98

daten/praes/ec9design

1E+08

1E+09

compare to Table 5.1.3 of ENV 1999-2 May 1998

Fig. 5.2.4* Design Curves Ds-N for welded joints between members

Table 5.2.4* Detail Category 2E+06 55,0 45,0 50,0 45,0 40,0 40,0 35,0 30,0 25,0 23,0 18,0 14,0 12,0

Numerical values of Ds (N/mm²) for welded joints between members slope m1 7,0 7,0 4,3 4,3 3,4 4,3 3,4 3,4 3,4 3,4 3,4 3,4 3,4

m2 7,0 7,0 6,3 6,3 5,4 6,3 5,4 5,4 5,4 5,4 5,4 5,4 5,4

TALAT 2406 – Annex 2

Cycles N 1E+04 117,2 95,9 171,4 154,3 187,5 137,1 166,3 142,5 118,7 109,2 85,5 66,5 57,0

1E+05 84,4 69,0 100,4 90,3 95,8 80,3 84,5 72,4 60,3 55,5 43,4 33,8 29,0

5

1E+06 60,7 49,7 58,7 52,9 49,0 47,0 42,9 36,8 30,6 28,2 22,1 17,2 14,7

5E+06 48,3 39,5 40,4 36,4 30,6 32,3 26,7 22,9 19,1 17,6 13,7 10,7 9,2

1E+07 43,7 35,8 36,2 32,0 27,0 28,9 23,5 20,2 16,7 15,5 12,0 9,4 8,1

1E+08 31,5 25,7 25,1 22,6 17,6 20,2 15,3 13,2 11,0 10,1 7,9 6,1 5,3

1E+09 31,5 25,7 25,1 22,6 17,6 20,2 15,3 13,2 11,0 10,1 7,9 6,1 5,3

EC 9 - Design Curves 300

NC

Stress Range [N/mm²]

ND

Crossing Welds Plain Material Built-Up Beams N

L

Details Table 5.1.5

100 40-3,4 35-3,4 30-3,4 30-4,3 25-4,3 23-3,4 20-4,3 18-3,4

50

10 5 1E+04

1E+05

1E+06

1E+07

No. of Cycles N eaa-ko-10-98

daten/praes/ec9design

Fig. 5.2.5*

2E+06 40,0 35,0 30,0 30,0 25,0 23,0 20,0 18,0

1E+09

compare to Table 5.1.3 (b) of revision Ja-Gi-Ko-MMS

Design Curves Ds-N for crossing welds and built-up beams

Table 5.2.5*

Detail Category

1E+08

Numerical values of Ds-N for crossing welds and built-up beams

slope m1 3,4 3,4 3,4 4,3 4,3 3,4 4,3 3,4

m2 5,4 5,4 5,4 6,3 6,3 5,4 6,3 5,4

TALAT 2406 – Annex 2

Cycles N 1E+04 187,5 166,3 142,5 102,9 85,7 109,3 68,6 85,5

1E+05 95,8 84,5 72,4 60,2 50,2 55,5 40,1 43,4

6

1E+06 49,0 42,9 36,8 35,2 29,4 28,2 23,5 22,1

5E+06 30,6 26,7 22,9 24,2 20,2 17,6 16,2 13,7

1E+07 27,0 23,5 20,2 21,7 18,7 15,5 14,5 12,1

1E+08 17,6 15,3 13,2 15,1 12,6 10,1 10,0 7,9

1E+09 17,6 15,3 13,2 15,1 12,6 10,1 10,0 7,9

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