Rothoblaas - X-RAD Pagina 31
Commercieel klantenaanbod**Beste verkopers van RothoBlaas Deutschland
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X-ONE X-PLATE X-SEAL DESIGN RESISTANCES For the purposes of the design verifications, the resistances provided by ETA (experimental) are used, supplemented by the analytical resistances, thus identifying the characteristic resistance domain of X-ONE. Through a system design in accordance with the concepts of resistance hierarchy, with the over-sizing of a number of elements constituting X-ONE, thus facilitating certain failure modes: tension of the VGS connectors block tearing in correspondence with the M16 holes on the box + internal plate system wood failure (extraction of VGS connectors or wood compression) 130 [kN] 110 Rk 90 70 50 30 10 -230 -210 -190 -170 -150 -130 -110 -90 -70 -50 -30 -10 α = 0° 10 30 50 70 90 110 130 [kN] -30 -50 -70 -90 -110 -130 -150 -170 -190 -210 -230 Characteristic resistance domain A summary table of the characteristic resistances is presented, in the various stress configurations together with a reference to the related safety coefficient according to the breaking characteristics (steel or wood). α total resistance Rk [kN] 0° 45° 90° 135° 180° 225° 270° 315° 360° 111.6 141.0 111.6 97.0 165.9 279.6 165.9 97.0 111.6 components of resistance Vk [kN] Nk [kN] 111.6 99.7 0.0 - 68.6 - 165.9 - 197.7 0.0 68.6 111.6 0.0 99.7 111.6 68.6 0.0 - 197.7 - 165.9 - 68.6 0.0 failure mode tension screw VGS block tearing on M16 holes tension screw VGS tension screw VGS VGS thread withdrawal compression of the wood VGS thread withdrawal tension screw VGS tension screw VGS steel steel steel steel timber timber timber steel steel partial safety factor (1) γM γM2 = 1.25 γM2 = 1.25 γM2 = 1.25 γM2 = 1.25 γM,timber = 1.3 γM,timber = 1.3 γM,timber = 1.3 γM2 = 1.25 γM2 = 1.25 NOTES: In order to obtain the maximum performances of X-ONE connector and to avoid the splitting of the wood panel, it is recommended to insert 2 full thread connectors VGZ perpendicular to the CLT panel (picture right - page 24). (1) The partial safety coefficients should be taken according to the current regulations used for the calculation. The table shows the steel-side values in accordance with EN1993-1-8 and the wood-side figures in accordance with EN1995-1-1. X-ONE 29
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