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Tension anchor HTA
Single-piece or two-piece, high-load-bearing tension anchor system for anchoring the base of wood elements in wood, steel or concrete substructures.
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Variants
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- Extremely high load-bearing capacities
- Compact design with small base plate for confined spaces
- Indirect mounting (max. 26 mm) via an intermediate layer (e.g. OSB)
- Extra-long back panel for optimum placement of the required number of screws/nails whilst complying with the requisite edge clearance on the wooden frame
- Sheet metal 12-µm hot-dip galvanised on both sides (S355 MC + Fe Zn 12c) in line with EN 10025-2:2004 3.0 mm in thickness
- Application in utilisation classes 1 and 2 in line with EN 1995:2013
CE labelling as per European Technical Approval ETA-14/0274
Dowel mounting: The respective basic conditions of the applicable anchor approval must be observed.
Available work documents:
Load tables and detailed processing instructions can be found on the service page www.wuerth.de/holzverbinder.
| Notes: |
| Würth anchor nails or ASSY 3.0 joist hanger screws according to EN 14592 or ETA 11/0190 are to be used as fasteners. The specified load-bearing capacities are for softwood with a characteristic density of ρk ≥ 350 kg/m³. Design value of the load-bearing capacity of a fastener: FVM,Rd = kmod/gM = F1,Rk with gM = 1.3 Design value of the steel load-bearing capacity of the tension anchor: FS,Rd = FS,Rk/gM2 with gM2 = 1.25 Design value of the total load-bearing capacity: F1,Rd = min {n x FVM,Rd; FS,Rd} with n = number of nails The design value of the tensile force in the anchor bolt FB,Ed is to be calculated with the design value of the tensile force of a tension anchor FEd. The minimum distances between fasteners for sheet steel-wood connections according to EN 1995-1-1 must be observed. The specified values given were calculated on the assumption of an immovable intermediate layer according to Blass and Laskewitz "Load-bearing capacity of connections with pin-shaped fasteners and intermediate layers". |
CE labelling as per European Technical Approval ETA-14/0274
Base anchoring of supports, roof beams, timber frame constructions or solid wood elements
Suitable fasteners:
- Comb/ribbed nails in line with EN 14592: 4.0 x 40 to 100mm
- ASSY 3.0 joist hanger bolt in accordance with ETA-11/0190 or EN 14592
- Bolts in line with manufacturers' specifications
- Recommended dowels for anchoring in concrete: W-BS; W-FAZ; W-VIZ; W-VM 250
The HTA tension anchor must be mounted with a washer or solid pressure plates for HTA tension anchors.
- Foot plate 60x60 mm = washer 30x3 or base plate d = 10 mm
- Foot plate 80x80 mm = washer 37x3 or base plate d = 20 mm
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