ISBN 978 0 7337 9720 0

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.

Clause 1.7

Replace definition for kuo with the following:

ratio, at ultimate strength, without axial force of the depth to the neutral axis from the

extreme compressive fibre to do

Clause 5.4.1, Item (b)(ii)

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).

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Table 5.6.3

Replace existing table with the following:

Minimum dimensions (mm)

Combinations for column exposed on more than one side

Column

exposed on one

side

20.

u

*

f=

N

N 50.

u

*

f=

N

N 70.

u

*

f=

N

N 70.

u

*

f=

N

N

FRP for structural

adequacy

(min)

as b a

s b a

s b a

s 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

4503 25 155

120 40

35

250

350

453

403

3503

4503

573

513

3503

4503 35 175

180 453 3503 633 3503 703 4503 55 230

240 613 3503 753 4503 70 295

NOTES:

1 as = axis distance

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.

Table 5.6.4, Note 1

Replace ‘≤0.025’ with ‘≤0.25’.

Equation 7.2.4(4)

Replace ‘c

22

bdazl −+= ’ with the following:

cdazl −+=

22

b

Equation 8.1.3(1)

Replace ‘(within the limits 0.67 ≤ α2 ≤ 0.85)’ with the following:

(within the limits of 0.67 ≤ α2 ≤ 0.85)

Equation 8.1.3(2)

Replace ‘cf ′−= 003.00.1

2γ ’ with the following:

c007.005.1 f ′−=γ

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Clause 8.1.5

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

Equation 8.4.3

Delete existing equation and replace with the following:

τu = ctco

f

p

f

sysffk

b

g

sb

fA′+⎟⎟

⎠

⎞⎜⎜⎝

⎛+µ

≤ lesser of (0.2cf ′ , 10 MPa)

Clause 11.4

Renumber the equation ‘w

1

2H

Lk = ’ as ‘11.4(3)’.

Clause 13.1.4

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.’

Clause 13.2.2

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

2 Second paragraph, insert ‘29k1db,’ before ‘k7 Lsy.t and Lsy.t + 1.5sb,’.

Appendix A

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

Bibliography

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

3600 Supp1 Concrete structures—Commentary (Supplement to AS 3600)

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