3600-2009_A1-2010

AS 3600/Amdt 1/2010-11-15

STANDARDS AUSTRALIA Amendment No. 1 to AS 3600—2009 Concrete structures CORRECTION The 2009 edition of AS 3600 is amended as follows; the amendment(s) should be inserted in the appropriate place(s). SUMMARY: This Amendment applies to Clauses 1.7, 5.4.1, 5.5.2, 8.1.5, 11.4, 13.1.4 and 13.2.2, Tables 5.6.3 and 5.6.4, Equations 7.2.4(4), 8.1.3(1), 8.1.3(2) and 8.4.3, Appendix A, and Bibliography. Published on 15 November 2010. AMDT No. 1 NOV 2010

Clause 1.7 Replace definition for k uo with the following: ratio, at ultimate strength, without axial force of the depth to the neutral axis from the extreme compressive fibre to do

AMDT No. 1 NOV 2010 AMDT No. 1 NOV 2010

Delete ‘is proportioned’. Clause 5.4.1, Item (b)(iii) Delete first line and replace with the following: (iii) is proportioned so that— Clause 5.5.2(b) Delete text of Item (i).

Accessed by SINCLAIR KNIGHT MERZ on 23 Aug 2011

AMDT No. 1 NOV 2010

Clause 5.4.1, Item (b)(ii)

ISBN 978 0 7337 9720 0

AMDT No. 1 NOV 2010

Table 5.6.3 Replace existing table with the following: Minimum dimensions (mm)

FRP for structural adequacy (min)

Combinations for column exposed on more than one side N f* = 0.2 Nu

N f* = 0.5 Nu

N f* = 0.7 Nu

Column exposed on one side N f* = 0.7 Nu

as

b

as

b

as

b

as

b

30

25

200

25

200

32 27

200 300

25

155

60

25

200

36 31

200 300

46 40

250 350

25

155

90

31 25

200 300

45 38

300 400

53 40

350 450 3

25

155

120

40 35

250 350

45 3 40 3

350 3 450 3

57 3 51 3

350 3 450 3

35

175

180

45 3

350 3

63 3

350 3

70 3

450 3

55

230

3

3

3

3

70

295

240

61

350

75

450

NOTES: 1

a s = axis distance

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b = smaller cross-sectional dimension of a rectangular column or the diameter of a circular column 2

For prestressing tendons, the axis distance shall be increased as given in Clause 5.3.3.

3

These combinations for columns with a minimum of 8 bars.

AMDT No. 1 NOV 2010

Table 5.6.4, Note 1

AMDT No. 1 NOV 2010

Equation 7.2.4(4)

Replace ‘≤0.025’ with ‘≤0.25’.

Replace ‘ lb = z 2 + a 2 − d c ’ with the following:

lb = z 2 + a 2 − d c AMDT No. 1 NOV 2010

AMDT No. 1 NOV 2010

Equation 8.1.3(1) Replace ‘(within the limits 0.67 ≤ α2 ≤ 0.85)’ with the following: (within the limits of 0.67 ≤ α 2 ≤ 0.85) Equation 8.1.3(2) Replace ‘ γ 2 = 1.0 − 0.003 f c′ ’ with the following:

γ = 1.05 − 0.007 f c′

AMDT No. 1 NOV 2010

Clause 8.1.5

AMDT No. 1 NOV 2010

Equation 8.4.3

Second paragraph, add ‘and M* > 0.6M u ’ after ‘0.36’.

Delete existing equation and replace with the following: τu

=

⎛ Asf f sy g p µ ⎜⎜ + bf ⎝ sbf

⎞ ⎟⎟ + k co f ct′ ⎠

≤ lesser of (0.2 f c′ , 10 MPa) AMDT No. 1 NOV 2010

Clause 11.4

AMDT No. 1 NOV 2010

Clause 13.1.4

AMDT No. 1 NOV 2010

Clause 13.2.2

Renumber the equation ‘ k =

Third paragraph, last line, delete ‘0.8 times the development length of a hooked bar of the same diameter.’ and replace with ‘0.4 Lsy.t of a bar of the same diameter.’

1

In the definition of k7 delete ‘greater than’ and replace with ‘at least’

2

Second paragraph, insert ‘29k 1d b,’ before ‘k 7 Lsy.t and Lsy.t + 1.5sb ,’.

AMDT No. 1 NOV 2010

Appendix A

AMDT No. 1 NOV 2010

Bibliography

Reference AS 1012.10, replace ‘Brasil’ with ‘Brazil’.

Delete reference to AS 3600 Supp1 and replace with the following: 3600 Supp1

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L1 ’ as ‘11.4(3)’. 2H w

Concrete structures—Commentary (Supplement to AS 3600)

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