Steel Column Cap Plate

When a concentrated tensile or compressive force acts on the end of a round or rectangular hss column with a cap plate and the force is in the direction of the hss axis the walls of the hss member could fail in sidewall yielding with consideration of shear lag.

Steel column cap plate. It is 8 long and made from low carbon steel. To accommodate any lally lock column diameter this plate has a 19 32 counter sunk hole in the center of the plate to accept a bolt. By clicking i agree below you are giving your consent for us to set cookies. Simpson strong tie category bases and caps we use cookies on this site to enhance your user experience.

Most engineers will specify a bolted connection between the cap plate and steel beam to comply with osha regulations and for ease of construction and inspection. All pipe columns need to be designed by a qualified designer. If cap and base plate splices are located away from a point of restraint special consideration should be given to ensuring adequate stiffness so that the member design is not invalidated. The plate has either one keyhole or one 3 8 hole located in each corner and the plates are packaged with grk screws.

The ccos must be attached to the column cap plate with 4 ccos self tapping screws through the end plate and into the bottom of the ccos. 2 plate that represents a steel structure 2 plate is mainly used as a connection piece or as a floor plate. Detailing requirements design procedures worked examples and. Cap plate detail creates a cap plate 1 part that represents a flat structure 1 in some contexts for example in analysis the term plate object may be used to refer to plates.

Hss column cap plate connections limit state of wall local yielding. Max column cap plate thickness 1 2 and 3 16 min. The patented embedded fastening unit is installed inside one end of a column allowing installers to screw in any of the lally lock cap plates. Cap and base or end plate column splices are covered in chapter 6 of the green book.

This eliminates welding and achieves a code required positive connection on the other end a base plate needs to be selected and implanted in a concrete footing or floor.