BIS has published Amendment-1, dated January, 2012 to the IS 800:2007 Code.
The table below illustrates the implementation status of each item in STAAD.Pro.
IS 800:2007 - GENERAL CONSTRUCTION IN STEEL — CODE OF PRACTICE
AMENDMENT NO. 1 - JANUARY 2012
Sl. No.
Location
Description
Implementation Status in STAAD.Pro
1
[(Page (iii), Section 17]
Insert the following new item, as appropriate:
‘17.15 Bedding Requirement 116’
Not Applicable
2
(Page 6, line 38)
Delete the symbols ‘Cmy, Cmz’ and the corresponding explanation.
3
(Page 8, line 33)
Insert the following symbols and explanations after this line:
‘Ky, Kz, KLT — Moment amplification factors (see 4.4.2, 4.4.3.1, 4.4.3.3 and 9.3.2.2)’
4
(Page 18, Table 2, col 2)
Substitute ‘d/t’ for ‘D/tf’ for entry against ‘Stem of a T-section, rolled or cut from a rolled I- or H-section’.
Implemented
5
(Page 18, Table 2, col 3, 4 and 5)
Substitute ‘but ≥ 42ε’ for ‘but ≤ 42 ε’ for entries against ‘Web of an I, H or box section’.
6
(Page 18, Table 2, Notes, last line)
Substitute ‘overall’ for ‘overll’.
7
(Page 19, Fig. 2, ROLLED CHANNELS)
Substitute ‘d’ for ‘h’ in the figure.
8
(Page 24, clause 4.4.2, line 10)
Substitute ‘Ky, Kz’ for ‘Cy, Cz’.
9
(Page 24, clause 4.4.3.1, line 9)
Substitute ‘Ky and Kz’ for ‘Cy and Cz’.
10
(Page 24, clause 4.4.3.3, line 3)
Substitute ‘(Ky, Kz)’ for ‘(Cmy, Cmz)’.
11
(Page 25, clause 4.5.2, line 19)
Insert ‘less’ between ‘be’ and ‘than’.
12
(Page 31, clause 5.6.1, line 6)
Substitute ‘using load factors of Table 4.’ for ‘using a load factor of 1.0.’
13
(Page 31, clause 5.6.1, third sentence)
Insert the following at the end: ‘In Table 6, live load should include all post construction loads including superimposed dead loads.’
14
(Page 33, clause 6.3.3, line 6)
Substitute ‘0.9 fu γm0/fy γm1’ for ‘fu γm0/fy γm1’.
15
(Page 34, clause 7.1.2, line 1)
Substitute the following for the existing: ‘The factored design compression, P in members shall satisfy the following requirement:
P < Pd’
16
(Page 34, clause 7.1.2.1, line 20)
Substitute ‘γm0’ for ‘λm0’.
17
(Page 35, Fig. 8)
Insert ‘λ’ as the title of the abscissa (x-axis).
18
(Page 44, Table 10, col 2, line 3)
Substitute ‘40 mm < tf ≤ 100 mm’ for ‘40 ≤ mm < tf ≤ 100 mm’.
19
(Page 45, Table 11, second row, col 1 and 2)
Substitute the following for the existing entries:
(1) (2)
Restrained Free
20
(Page 48, clause 7.5.1.2, line 4)
Add the following in the end:
“, in place of λ in 7.1.2.1 and using curve ‘c’ (α = 0.49)”
21
(Page 48, clause 7.5.1.2, line 9, formula)
Substitute the following for the existing:
22
(Page 49, Fig. 10)
Substitute the following figure for the existing as appropriate, and substitute ‘Members’ for ‘Numbers’ in the sub-title of Fig. 10C and substitute the existing title of Fig. 10 with ‘TOP RESTRAINT CONDITIONS’:
23
(Page 53, clause 8.2.1.1, line 3)
Substitute ‘ d/tw > 67ε’ for ‘d/tw ≤ 67ε’.
24
(Page 54, clause 8.3.1, second para)
‘In simply supported beams with intermediate lateral restraints against lateral torsional buckling, the effective length for lateral torsional buckling, LLT to be used in 8.2.2.1 shall be taken as the length of the relevant segment in between the lateral restraints. In the case of intermediate partial lateral restraints, the effective length, LLT shall be taken as equal to 1.2 times the length of the relevant segment in between the partial lateral restraints.’
25
(Page 57, Table 14)
Substitute ‘LLT/ry’ and ‘hf/tf’ for ‘KL/r’ and ‘h/tf’.
26
(Page 58, clause 8.3.2, line 9)
Insert ‘centre’ between ‘shear’ and ‘and’.
27
(Page 58, Table 15, col 3, first row)
Substitute ‘Both flanges partially restrained’ for ‘Both flanges fully restrained’.
28
(Page 59, clause 8.4.2.1)
Substitute ‘ε w’ for ‘ε’ and ‘fyw’ for ‘fy’, wherever appearing.
29
(Page 60, clause 8.4.2.2, col 1, line 18 from top)
Substitute ‘ cr,e for cr,e .
30
(Page 60, clause 8.4.2.2, col 2, line 52)
Substitute
31
(Page 60, clause 8.4.2.2, col 2, line 55)
Substitute ‘= d cosŃ„ – (c – sc – st) sinŃ„, for the existing.
32
(Page 60, clause 8.4.2.2, col 2, lines 59 and 60)
Delete the lines.
33
(Page 60, clause 8.5.1, line 3)
Insert ‘out’ between ‘carried’ and ‘in’.
34
(Page 61, Table 16, last row, col 1)
Substitute the following for the existing figure:
35
(Page 62, Fig. 12)
36
(Page 63, Fig. 13, Notes)
Delete NOTE 2 and renumber the subsequent Note accordingly.
37
(Page 63, clause 8.6.1.1)
Substitute ‘εw’ for ‘ε’ wherever appearing.
38
(Page 63, clause 8.6.1.1, line 13)
Substitute ‘c < 0.74d’ for ‘c < d’.
39
(Page 64, clause 8.6.1.2, line 15)
For
40
(Page 65, clause 8.7.1.2, second para, line 1)
Insert ‘stiffener’ between the words ‘web’ and ‘is’.
41
[Page 70, clause 9.3.1.2(c)]
42
(Page 72, Table 18)
Substitute the following for the existing table:
43
(Page 75, clause 10.3.2, line 3)
‘Vsb ≤ Vdb’
44
(Page 76, clause 10.4.3, first sentence)
Substitute the following for the existing: ‘Design for friction type bolting, where slip resistance is required at factored design force Vsf, shall satisfy the following:’
45
(Page 76, clause 10.4.3, line 14)
Substitute ‘μf ≤ 0.55’ for ‘μf = 0.55’.
46
(Page 76, clause 10.4.3, Note, line 1)
Substitute ‘Vnsf’ for ‘Vns’.
47
(Page 77, clause 10.4.5, col 1, line 6, from top, formula)
Substitute ‘0.9 fub An ≤ fyb Asb(γm1/γm0)’ for ‘0.9fub An ≤ fyb Asb(γm1/γm)’.
48
(Page 80, clause 10.5.10.2.2, line 7, formula)
49
(Page 89, clause 12.8.2.1, first sentence)
Substitute the following for the existing: ‘Bracing members shall be made of E250B steel of IS 2062 or of steel having Charpy V-notch energy, E > 27J.’
50
(Page 90, clause 12.11.1, line 2)
Insert ‘or of steel having Charpy V-notch energy, E > 27J’ between
‘IS 2062’ and ‘and’.
51
(Page 106, clause 16.4.1, line 4, formula)
52
(Page 121, Annex B, clause B-3.2, line 10 from top, formula)
53
(Page 121, Annex B, clause B-3.2, lines 12, 13 and 16 from top)
Substitute ‘hi’, ‘δui’ and ‘δLi’ for ‘h’, ‘δu’ and ‘δL’.
54
(Page 128, Annex E, clause E-1.2, line 5, formula)
Substitute ‘(LLT)2’ for ‘(LLT)’.
55
(Page 128, Annex E, clause E-1.2, line 30)
Substitute ‘(z2 + y2)2’ for ‘(z2 – y2)’.
56
(Page 129, Annex E, clause E-1.2, col 1, line 18 from top)
Insert ‘St. Venant’s’ before ‘torsion’.
57
(Page 130, Table 42, col 5, row 7)
Substitute ‘1.267’ for ‘1.257’.
58
(Page 129, Table 42, col 6, rows 5 and 10)
Substitute ‘1.730’ for ‘1.780’ and ‘1.890’ for ‘1.390’, respectively.