Week 02 "Portal Frame (Knee Joint & Base)"

-This is a sketch of the base and knee joint of a Steel Portal Frame

-I've labeled all the basic elements

FACTORY IN DANDENONG (George Archer Metals)

- UB Steel Column
- Dyno Bolted to PCP wall

- Rigid connection
- Steel rafter factory welded to steel plate and then bolted to UB column
- Steel fly bracing between steel rafter and purlins

PHOTOS TAKEN FROM A FACTORY (GEORGE ARCHER METALS IN DANDENONG)

- Basic portal frame
- Ridge apex
- Steel plates factory welded to steel rafters and then bolted together at the ridge
- Steel purlins running perpendicular to rafters
- At the end of the building there is some steel bracing to help the structure from skewing
- Bottom left is some engineered steel cantilevers coming out of two columns. This is for the crane and needs to be strong.