| Beam Type |
US Sections - Center Beam Supporting One Floor |
| Tributary Span, ft |
| 8 |
12 |
16 |
20 |
| Maximum Unsupported Beam Span, ft |
| 18 |
14 |
16 |
14 |
16 |
14 |
16 |
14 |
| LSB |
1200LSB350-98
(8.99) |
80010SB300-79
(6.10) |
1200LSB350-98
(8.99) |
1000LSB300-98
(7.74) |
1200LSB350-118
(10.71) |
1200LSB350-98
(8.99) |
1400LSB350-118
(11.50) |
1400LSB350-98
(8.99) |
| Steel I-Beam |
W8x15
(15) |
W8x13
(13) |
W8x15
(15) |
W8x13
(13) |
W8x15
(15) |
W8x13
(13) |
W8x15
(15) |
W8x13
(13) |
| LVL |
(3)
1-3/4"x11-7/8"
(17.85) |
(2)
1-3/4"x11-1/4"
(11.26) |
(3)
1-3/4"x11-7/8"
(17.85) |
(3)
1-3/4"x11-1/4"
(16.89) |
(3)
1-3/4"x11-1/4"
(16.89) |
(2)
1-3/4"x11-1/4"
(11.26) |
(4)
1-3/4"x11-1/4"
(22.52) |
(3)
1-3/4"x11-1/4"
(16.89) |
Notes:
1. Floor live load = 40 psf
2. Floor dead load = 15 psf
3. Deflection limit: L/360 for live loads and L/240 for total loads
4. Steel I-beams, CFS, and LSB have minimum yield strength of 50 ksi
5. LVLs have 1.9E and Fe = 2.6 ksi
6. LSB is assumed to have full lateral support. |