Steel Buildings in Europe

Part 5: Detailed Design of Trusses 5 - 6 The horizontal truss is positioned at the level of the upper flange of the gantry girder in order to resist the horizontal forces applied by the wheels on the rail (braking of the crane trolley, crabbing) 1 3 2 1 Crane girder 2 Crane rail 3 Horizontal bracing (V truss) Figure 1.5 Horizontal bracing for a crane girder Figure 1.6 and Figure 1.7 illustrate some of the trusses described in Table 1.1. Figure 1.6 N-truss – 100 m span