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Flat steel concrete anchor L-profile
Flat steel concrete anchors are ideal for simple tensile connections of pillars, posts and thresholds in timber structures. The tension anchor is embedded in concrete in the substrate.
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Variants
- Versatile applications for simple tensile connections
- Easy height adjustment on uneven substrates
- Sheet metal hot-dip galvanised on both sides (S250GD + Z275 (approx. 20 µm)), thickness 4 mm in line with EN 10346:2009
- Application in utilisation classes 1 and 2 in line with EN 1995:2013
European Technical Approval ETA 14/0274
Distortion-free load application is expected.
The holes should be nailed starting from the end of the flat steel concrete anchor.
At least 4 should be used based on the structural analysis. The nails used must be of a diameter that fits the bore holes in the flat steel concrete anchor.
Rough edges are not permitted. The entire surface of the flat steel concrete anchor must lie against the wood.
The structural components must be thicker than the penetration depth of the nails.
The respective basic conditions of the applicable anchor approval must be observed
Steel failure under bending stress is decisive for flat steel concrete anchors that are fixed into concrete using 43 mm x 4 mm metal dowel pins and washers in line with EN ISO 7094.
Steel failure under tensile stress is decisive for embedded flat steel concrete anchors.
Available work documents:
Load tables and detailed processing instructions can be found on the service page www.wuerth.de/holzverbinder.
| Notes: |
| Ring-shank nails 4x40 mm must be used for securing in accordance with EN 14592. No specified nail pattern needs to be observed with regard to the nailing method according to ETA 08/0259. Partial nailing is permitted. The specified load-bearing capacities are for softwood with a characteristic density of rk ≥ 350 kg/m³. Design value of the load-bearing capacity of a nail: FVM,Rd = kmod/gM × F1,Rk with gM = 1.3 Design value of the steel load-bearing capacity for anchor mounting in concrete: Fm,Rd = Fm,Rk/gM0 with gM0 = 1.0 Design value of the steel load-bearing capacity for tension anchors in concrete: Ft,Rd = Ft,Rk/gM2 with gM2 = 1.25 Design value of the total load-bearing capacity for anchor mounting: F1,Rd = min {n × FVM,Rd; Fm,Rd} with n = number of nails Design value of the total load-bearing capacity for tension anchors in concrete: F1,Rd = min {n × FVM,Rd; Ft,Rd} with n = number of nails The minimum distances for nails for sheet steel-wood connections in accordance with EN 1995-1-1 must be observed. |
European Technical Approval ETA 14/0274
Subject to technical changes!
Embeddable, height-adjustable tension anchor connection for fixing wall elements or posts in concrete substrates
Suitable fasteners:
- Comb/ribbed nail in line with EN 14592: 4.0 x ≥ 30 mm.
- Recommended dowels for anchoring in concrete: W-BS; W-FAZ; W-VIZ; WIT-VM 250
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