Steel Joist Manual
Steel Joist Manual
Steel Joist Manual
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ACCESSORIES AND DETAILS<br />
K SERIES OPEN WEB STEEL JOISTS<br />
SLOPED SEAT REQUIREMENTS FOR SLOPES 3/8:12 AND GREATER<br />
LOW END<br />
HIGH END<br />
High End<br />
Recommended<br />
Slope Seat<br />
Rate Depth<br />
d<br />
3/8:12 3 1/2"<br />
1/2:12 3 1/2"<br />
1:12 4"<br />
1 1/2:12 4"<br />
2:12 4"<br />
2 1/2:12 4 1/2"<br />
3:12 4 1/2"<br />
3 1/2:12 5"<br />
4:12 5"<br />
4 1/2:12 5"<br />
5:12 5 1/2”<br />
5 1/2:12 5 1/2"<br />
6:12 5 1/2"<br />
IF OVER 6:12 SEE BELOW<br />
NOTES:<br />
(1) Depths shown are the minimums required for fabrication of sloped bearing seats. Depths may vary depending on actual<br />
bearing conditions.<br />
(2) d = 5/8 + 2.5 / cos θ + 4 tan θ<br />
(3) Clearance must be checked at outer edge of support as shown in detail B. Increase bearing depth as required to permit<br />
passage of 2 1/2" deep extension.<br />
(4) If extension depth greater than 2 1/2" is required (see details B and D) increase bearing depths accordingly.<br />
(5) If slope is 1/4:12 or less sloped seats are not required.<br />
BARTLE HALL<br />
CONVENTION CENTER<br />
Kansas City, Missouri<br />
Architect-Engineer: HNTB Corp.<br />
General Contractor: Watson General<br />
Contractors, Inc.<br />
<strong>Steel</strong> Fabricator: Havens <strong>Steel</strong>, Inc.<br />
<strong>Steel</strong> Erector: Danny's Construction Co., Inc.<br />
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