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The SPAX Beam Shoe Range
What solution does SPAX offer?
The SPAX beam shoe range offers the perfect solution for all types of connections from secondary beams to a main girder – this applies above all to the material mix, i.e. the combination of wood/wood, wood/concrete and wood/steel. Here, the combination perforation ensures that threaded rods or concrete screws can also be used as fasteners. The sheet thicknesses are chosen in such a way that they can withstand all loads from the shear force. For screw connections close to the edge on main beams, we offer two beam shoe variants with internal legs. Finally, we also have a two-piece beam shoe for the renovation in the program.
What are the challenges for fastening?
When beam shoes are used, tensile forces occur in the fasteners in addition to shear forces. For this reason, profiled lanyards, such as the SPAX wood connector screws and the SPAX groove nails, are approved. In the beam shoe itself, compressive forces occur mainly in the perforated reveals. These compressive forces are safely dissipated into the fasteners by a corresponding sheet thickness. We have also optimized the hole spacing of our beam shoes so that the best possible combination of the number and spacing of the screw/nail holes ensures maximum load capacity.
Since beam shoes are usually processed within a ceiling construction, hot-dip galvanizing is the optimal corrosion protection for this purpose.