fischer fixing-systems main-catalogue Page 315
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Frame fixing SXR · Frame fixings / Stand-off installation Loads Frame fixing SXR Permissible loads¹)²)³) of a single anchor as part of a multiple fixing of non-structural systems. For the design the complete current assessment ETA-07/0121 has to be considered. Type SXR 8 Anchor diameter Anchorage depth SXR 10 [mm] 8 10 hnom [mm] 50 50 [kN] 0.99 1.79 zinc coated screws (gvz) [kN] 4.23 5.98 5.98 Anchorage in concrete ≥ C12/15 Permissible tensile load Nperm Permissible shear load Vperm stainless steel screw (R) [kN] 3.93 Minimum member thickness hmin [mm] 100 100 Characteristic edge distance ccr,N [mm] 70 140 Characteristic spacing a resp. scr,N [mm] 70 100 Minimum spacing smin [mm] 70 70 with an edge distance c≥ [mm] 70 210 Minimum edge distance cmin [mm] 70 85 with a spacing s≥ [mm] 70 100 Permissible tensile load Nperm [kN] – 1.19 Permissible shear load Vperm [kN] – 5.98 5 Anchorage in narrow concrete members (h ≥ 40 mm) made of concrete ≥ C12/15, e.g. weather shells of triple-skin outer wall panels Anchorage in masonry Permissible load4) Fperm in solid brick Permissible load4) Fperm in solid sand-lime brick ≥ Mz 12/1.8; ≥ NF [kN] 0.57 0.57 ≥ Mz 20/1.8; ≥ NF [kN] 0.71 0.86 ≥ KS 10/1.8; ≥ NF [kN] 0.57 0.57 ≥ KS 20/1.8; ≥ NF [kN] 0.71 0.71 ≥ Vbl 2; ρ ≥ 1.2 kg/dm³ [kN] 0.26 0.21 ≥ Vbl 6; ρ ≥ 1.6 kg/dm³ [kN] 0.26 0.71 Permissible load4)5) Fperm in vertically perforated brick ≥ HLz 12; ρ ≥ 1.0 kg/dm³ [kN] 0.17 0.26 Permissible load4) Fperm in perforated sand-lime brick ≥ KSL 8; ρ ≥ 1.4 kg/dm³ [kN] 0.26 0.43 ≥ KSL 12; ρ ≥ 1.4 kg/dm³ [kN] 0.57 0.57 ≥ Hbl 2; ρ ≥ 0.7 kg/dm³ [kN] – 0.43 Permissible load4) Fperm in lightweight concrete block Permissible load4)5) Fperm in hollow lightweight concrete blocks Minimum member thickness ≥ Hbl 6; ρ ≥ 1.2 kg/dm³ [kN] 0.43 0.57 hmin [mm] 100 100 Minimum spacing (single anchor) amin [mm] 250 250 Minimum spacing (anchor group) smin [mm] 100 100 Minimum edge distance (anchor group) cmin [mm] 100 100 AAC ≥ 2 N/mm² [kN] – 0.146) AAC ≥ 4 N/mm² [kN] – 0.27 AAC ≥ 6 N/mm² [kN] – 0.27 Minimum member thickness hmin [mm] – 100 Minimum spacing (single anchor) amin [mm] – 250 Anchorage in aerated concrete Permissible load4) Fzul in aerated concrete Minimum spacing (anchor group) smin [mm] – 400 Minimum edge distance (anchor group) cmin [mm] – 100 ¹) Valid for zinc coated screws (gvz) and for screws made of stainless steel (R). For exterior use of the zinc coated screws measures against incoming humidity according to assessment have to be taken. ²) The required partial safety factors for material resistance as well as a partial safety factor for load actions γL = 1.4 are considered. As a single anchor counts e.g. an anchor with a minimum spacing according to assessment. ³) Valid for temperatures in the substrate up to +50 °C (resp. short term up to +80 °C). 4) Valid for tensile load, shear load and oblique load under any angle. For combinations of tensile loads, shear loads and bending moments see assessment. 5) Rotary drilling. 6) Drill holes to be made with aerated concrete hole punch. 315
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