Slender Tappered member
1
SEFI Discussion - PEB Structures Checking slenderness limit as per Table 2 of IS 800 : 2007 Limiting values as per Table 2: d/tw = 126ε and b/tf = 13.6ε, ε = 1.0 Refer: Clause 3.7.2 d) of IS 800 : 2007, Effective sections to be considered for slender sections Depth, d Thickness, tw Width, b Thickness, tf 1 700 4 200 6 175 16.33 2 400 4 200 6 100 16.33 Note: Values shown 3 300 4 150 6 75 12.17 in ' RED ' are Slender Sections 4 700 4 200 6 175 16.33 5 500 5 250 10 100 12.25 6 500 5 250 8 100 15.31 7 500 5 250 6 100 20.42 8 700 4 200 6 175 16.33 9 300 4 200 6 75 16.33 10 400 4 400 6 100 33.00 Web Size (mm) Flange Size (mm) 2,105,108,…..158 Tapered 8, 10, 12……44 3, 106,109,…..159 25, 30 4, 107, 110…..143 Tapered Sl. No. Member d/tw (b-tw)/(2xtf) 5, 7, 9……17 Tapered 152 to 154, 160 to 162 155, 163 18 to 24, 31 to 37 1, 6, 38, 39
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Slender Tappered member
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SEFI Discussion - PEB Structures
Checking slenderness limit as per Table 2 of IS 800 : 2007
Limiting values as per Table 2: d/tw = 126 and b/tf = 13.6, = 1.0Refer: Clause 3.7.2 d) of IS 800 : 2007, Effective sections to be considered for slender sections
Depth, d Thickness, tw Width, b Thickness, tf
1 700 4 200 6 175 16.33
2 400 4 200 6 100 16.33 Note: Values shown
3 300 4 150 6 75 12.17 in 'RED' are Slender Sections
4 700 4 200 6 175 16.33
5 500 5 250 10 100 12.25
6 500 5 250 8 100 15.31
7 500 5 250 6 100 20.42
8 700 4 200 6 175 16.33
9 300 4 200 6 75 16.33
10 400 4 400 6 100 33.00
Web Size (mm) Flange Size (mm)
2,105,108,..158 Tapered
8, 10, 1244
3, 106,109,..159
25, 30
4, 107, 110..143 Tapered
Sl. No. Member d/tw (b-tw)/(2xtf)
5, 7, 917 Tapered
152 to 154, 160 to 162
155, 163
18 to 24, 31 to 37
1, 6, 38, 39
