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

Earthquake Protection 2-8
FM Global Property Loss Prevention Data Sheets Page 15
Table 5. Maximum Horizontal Loads (N) for Steel Sway Brace Members in Compression (Metric) (l/r = 200)
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 = 200, F y = 235 MPa
Pipe (Schedule 40 - Size is Nominal Diameter)
25 10.69 2.14 4120 5827 7137
32 13.72 2.74 5580 7891 9665
40 15.82 3.16 6664 9425 11543
50 19.99 4.00 8925 12621 15458
Pipe (Schedule 10 - Size is Nominal Diameter)
25 10.87 2.17 3445 4872 5966
32 13.97 2.79 4429 6263 7671
40 16.10 3.22 5113 7231 8856
50 20.37 4.07 6472 9153 11211
Angles
30×30×3 5.81 1.16 2250 3181 3896
40×40×4 7.77 1.55 3982 5631 6897
50×50×5 9.73 1.95 6206 8776 10748
60×60×6 11.70 2.34 8933 12634 15473
70×70×7 13.60 2.72 12152 17186 21049
80×80×8 15.60 3.12 15902 22488 27543
Rods (Threaded Full Length)
10 2.04 0.41 676 956 1171
12 2.46 0.49 986 1394 1707
16 3.39 0.68 1863 2635 3227
20 4.23 0.85 2911 4117 5043
22 4.73 0.95 3640 5147 6304
Rods (Threaded at Ends Only)
10 2.50 0.50 1015 1436 1759
12 3.00 0.60 1462 2068 2533
16 4.00 0.80 2599 3676 4502
20 5.00 1.00 4062 5744 7035
22 5.50 1.10 4914 6950 8512
Flats
40×4 1.15 0.23 2069 2925 3583
50×5 1.44 0.29 3232 4571 5598
60×6 1.73 0.35 4654 6582 8061
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