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TW Catalogue EN Int. 03-2015

4703/2015 11 WT / WR / WB Simplified fire protection rating Simplified fire protection rating conforming to EN 1995-1-2 for selected applications Data sheet No.10 2.02 Composite pulins and doubling-up Coupling purlins Joining main/secundary purlins, posts and rails Notching When the following edge spacing is complied with, fire protection verification is not relevant and therefore assumed without further verification. If load-bearing capacity at normal temperature is not fully utilised, the spacing stated below may be reduced (precise calculation required, e.g. as stated overleaf). Preconditions Load-bearing capacity complies with normal state verification. The contact area between two members must be as close as possible or touching. Fasteners are protected against direct fire loads, i.e. the fastener head is insulated by a covering which provides effective fire protection per the requirements. If inserted from a side exposed to flames, the fastener must be countersunk at a spacing of a3 and protected with a plug. The possibility of transverse stress must be accounted for in the design. Edge protected against burn-off by a covering which provides effective fire protection appropriate to requirements. Spacing Spacing in mm für R30 kmod = 0,8 kmod = 0,9 WT-S, WT-T WR-T WB-T WT-S, WT-T WR-T WB-T 6,5xL 8,2xL 9xL 13xL 16xL 20xL 6,5xL 8,2xL 9xL 13xL 16xL 20xL a1 33 33 33 39* 64* 80* 34 34 34 39* 64* 80* a2 49 53 78 104* 144* 180* 50 54 79 104* 144* 180* a3 53 53 53 59* 84* 100* 54 54 54 59* 84* 100* Spacing Spacing in mm für R60 kmod = 0,8 kmod = 0,9 WT-S, WT-T WR-T WB-T WT-S, WT-T WR-T WB-T 6,5xL 8,2xL 9xL 13xL 16xL 20xL 6,5xL 8,2xL 9xL 13xL 16xL 20xL a1 61 61 61 61 64* 80* 63 63 63 63 64* 80* a2 77 81 106 126 144* 180* 79 83 108 128 144* 180* a3 81 81 81 81 84* 100* 83 83 83 83 84* 100* *Edge spacing on the basis of cold measurement applies. WT WR WB WBWT WR EN 1995-1-2 Technical documentation and data sheets 11. No.102.02 a1 33333339* 64* 80* 34343439* 64* 80* a2 495378104* 144* 180* 505479104* 144* 180* a3 53535359* 84* 100* 54545459* 84* 100* a1 6161616164* 80* 6363636364* 80* a2 7781106126144* 180* 7983108128144* 180* a3 8181818184* 100* 8383838384* 100*

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