Wind loads are not included because composite joists are generally used in floor systems where there should not be wind loads. They can be used in roofs, however, the EOR should note that the Factored Total Load include the wind load and the magnitude of this wind load.

The CJ Series joist designation consists of five (5) parts. An example is 30CJ1500/800/300. The first number, “30”, is the actual joist depth not including the concrete deck. The second part, “CJ”, identifies the joist series, The second number and third part, “1500”, is the Total Factored Load, in plf, on the Composite Joist. The third number and fourth part, “800”, is the Factored Live Load, in plf, on the Composite Joist. The last number and fifth part, “300”, is the Factored Dead Load on the Composite Joist. Note that the reason the dead load and live load do not add up to the total load is because the dead load on the Non-Composite joist is not included. This number is typically calculated by the joist manufacturer’s design program based on the information given. Note that all loads in the CJ-Series joist designation are FACTORED.

The composite joist load tables are all based on Factored (LRFD) loads.

The CJ-Series joist catalog and Technical Digest 13 Specification and Design of Composite Steel Joists are available on the SJI website:

• Second Edition CJ-Series Composite Steel Joists
• Technical Digest 13 – Specification and Design of Composite Steel Joists