DS 2-8 Earthquake Protection for Water-Based Fire ... - FM Global

Earthquake Protection 2-8
FM Global Property Loss Prevention Data Sheets Page 13
Table 3. Maximum Horizontal Loads (N) for Steel Sway Brace Members in Compression (Metric) (l/r = 100)
Shape
Size, mm.
Least Radius of
Gyration, mm
Maximum Length,
m
Maximum Horizontal Load, N
Angle of Brace from Vertical
30° —44° 45° —59° 60° —90°
l/r = 100, F y = 235 MPa
Pipe (Schedule 40 - Size is Nominal Diameter)
25 10.69 1.07 13645 19297 23634
32 13.72 1.37 18479 26133 32006
40 15.82 1.58 22069 31211 38225
50 19.99 2.0 29555 41797 51190
Pipe (Schedule 10 - Size is Nominal Diameter)
25 10.87 1.09 11408 16133 19759
32 13.97 1.40 14667 20742 25404
40 16.10 1.61 16932 23945 29327
50 20.37 2.04 21434 30312 37125
Angles
30×30×3 5.81 0.58 7449 10535 12903
40×40×4 7.77 0.78 13186 18648 22840
50×50×5 9.73 0.97 20550 29063 35594
60×60×6 11.70 1.17 29584 41838 51241
70×70×7 13.60 1.36 40244 56914 69705
80×80×8 15.60 1.56 52660 74473 91210
Rods (Threaded Full Length)
10 2.04 0.20 2239 3166 3878
12 2.46 0.25 3264 4617 5654
16 3.39 0.34 6170 8726 10687
20 4.23 0.42 9641 13635 16699
22 4.73 0.47 12053 17046 20877
Rods (Threaded at Ends Only)
10 2.50 0.25 3363 4755 5824
12 3.00 0.30 4842 6848 8387
16 4.00 0.40 8608 12174 14910
20 5.00 0.50 13450 19021 23296
22 5.50 0.55 16275 23016 28188
Flats
40×4 1.15 0.12 6850 9688 11865
50×5 1.44 0.14 10703 15137 18539
60×6 1.73 0.17 15413 21797 26696
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