Steel Buildings in Europe

Part 9: Design Software - Simple Connections 9 - 13 The calculation of the design bearing strength, f jd assumes that  = 1,5. The foundation joint material coefficient,  j is taken as 2/3. The following details of the standardised connection may be changed:  Grade of concrete  Plate thickness  Plate length  Plate width  Bolt diameter  Gauge (horizontal bolt spacing)  Pitch (vertical bolt spacing)