![]() K = joist series 4 = designation within series (the higher the number, the heavier the joist)ġ0 Joist Girders Designed to carry the regularly spaced, concentrated loads consisting of the end supports of joists. – 6000Ħ Open Web Steel Joists Steel joists are prefabricated lightweight trusses that are available in different series: K series- 8” through 30” in 2” increment with 64 designations clear spans to 60’ (short span) (KCS series for special loading conditions) LH series – 18” through 48” clear spans to 96’ (long-span) DLH series – 52” through 72” clear spans to 144’ (deep long-span) For Composite Steel Joists, see David Samuelson’s paper (AISC Engineering Journal, 3rd Quarter, 2002)ħ Open Web Steel Joist - 2 Designation: 12K4 12 = depth in inches Joist Roof Load Path by Tributary Area BMA Engineering, Inc. The truss girders transfer their loads to the supporting piers and columns. Each truss girder supports an area equal to its span times half the distance to the girder on either side. The pier supports half the area supported by the truss girder plus area from other structural elements that it supports. Load rests on roof deck The joists transfer their loads to the supporting truss girders. Each joist supports an area equal to its span times half the distance to the joist on either side. Roof deck transfers load to supporting joists. ![]() In no case shall the Seller assume any responsibility for the erection of the item furnished. ![]() The Seller shall identify material by showing size and type. When Material requirements are not specified, the Seller shall furnish the items listed in Section 5.2(a) in accordance with applicable Steel Joist Institute Specifications of latest adoption, and this code. 1.5 RESPONSIBILITY FOR DESIGN AND ERECTION When material requirements are specified, the seller shall assume no responsibility other than to furnish the items listed in Section 5.2 (a). Department of Civil & Environmental Engineering University of Maryland College Park, MDĢ SJI Recommended Code of Standard Practice for Steel Joists and Joist Girdersġ.4 DESIGN In the absence of ordinances or specifications to the contrary, all designs prepared by the specifying professional shall be in accordance with the applicable Steel Joist Institute Specifications and Load Table of latest adoption. 1 Introduction of Open Web Steel Joist, Deck and Composite Steel JoistĮNCE710 – Advanced Steel Structures C.
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