Tension anchor HTA
Tension anchor, HTA
TENSANC-HTA-BASEPLT-620X80X80X3,0MM
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Single-piece or two-piece, high-load-bearing tension anchor system for anchoring the base of wood elements in wood, steel or concrete substructures.
- 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
Proof of Performance
CE labelling as per European Technical Approval ETA-14/0274
Notice
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
Product information
Datasheets(X)
Application area
Base anchoring of supports, roof beams, timber frame constructions or solid wood elements
Instructions
The HTA tension anchor must be mounted with a washer or solid pressure plates for HTA tension anchors.
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
 | |
Width x height x depth | 80 x 620 x 80 mm |
Baseplate thickness | 9 mm |
Thickness | 3 mm |
Hole diameter in subcarrier nJ/main carrier nH | 5.1 / 21 mm |
Number of holes in subcarrier nJ + main carrier nH | 52 + 1 PCS |
Weight | 1800 g |
Approval | ETA-14/0274 |
Distance between support and centre of hole | 41 mm |
Min. handle width | 80 mm |
Recommended type of anchor | W-VM250; W-FAZ |
Material | Sheet steel |
Material designation | S355MC |
Material standard | EN 10025- 2:2004 |
Surface | Zinc plated |
| Overview of load capacity tables for tension anchors HTA and VPlus | |||||||||||||
| Characteristic load-bearing capacity and design value of the load-bearing capacity ("short") in load case F1 for Würth tension anchor HTA and Vplus according to ETA 14/0274 | |||||||||||||
| Tension anchor connection HTA and Vplus - without intermediate layer | |||||||||||||
| Type | Format in mm | U-washer/base plate | KLED | Load-bearing capacity per fastener (anchor nail or joist hanger screw in mm) in kN | Load-bearing capacity steel in kN | Coefficient kt(1) | |||||||
| 4x40 | 4x50 | 4x60 | 5x35 | 5x40 | 5x50 | ||||||||
| Vplus | Lx90x65x3.0 | Without specification | char. | FVM,Rk = | 1,68 | 1,99 | 2,15 | 1,92 | 2,15 | 2,29 | FS,Rk = | 36,2 | 1,0 |
| Short | FVM,Rk = | 1,16 | 1,38 | 1,49 | 1,33 | 1,49 | 1,59 | FS,Rd = | 29 | ||||
| Tensile force in anchor bolt: FB,Ed = kt x FEd | |||||||||||||
Notes:
(1) Design values for anchors, see table of contents These are guides for planning purposes. The values must be calculated for each project by authorised persons. | |||||||||||||
| FEd in kN | Würth anchor nail in mm Load-bearing capacity class 3 4x40 4x50 4x60 4x75 4x100 | ASSY 3.0 joist hanger screw in mm ETA-11/0190 5x35 5x40 5x50 5x60 5x70 | ||||||||
| Calculation of the load-bearing capacities of fasteners according to DIN EN 1995-1-1 as for thick steel sheets. The required minimum distances between the fasteners must be observed! The specifications are valid for a characteristic density ρk = 350 kg/m³ and for kmod = 0.9. |
| Overview of load capacity tables for tension anchors HTA and VPlus | ||||||||||
| Required number of fasteners for Würth tension anchors HTA and Vplus on softwood C24 according to ETA 14/0274 and k mod of 0.9 | ||||||||||
| Required number of fasteners for tension anchors Vplus Lx90x65x3.0, HTA Lx60x60x3.0 and HTA Lx80x80x3.0 depending on the connection of tensile load FEd to softwood C24 | ||||||||||
| FEd | Würth anchor nail in mm, load-bearing capacity class 3 | ASSY 3.0 joist hanger screw in mm ETA-11/0190 | ||||||||
| in kN | 4x40 | 4x50 | 4x60 | 4x75 | 4x100 | 5x35 | 5x40 | 5x50 | 5x60 | 5x70 |
| 4 | 4 | 4 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 3 |
| 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 |
| 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 |
| 7 | 7 | 6 | 6 | 5 | 5 | 6 | 5 | 5 | 5 | 4 |
| 8 | 8 | 7 | 6 | 6 | 6 | 7 | 6 | 6 | 5 | 5 |
| 9 | 9 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 |
| 10 | 10 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 |
| 11 | 10 | 9 | 9 | 8 | 8 | 9 | 8 | 7 | 7 | 7 |
| FEd | Würth anchor nail in mm load-bearing capacity class 3 | ASSY 3.0 joist hanger screw in mm ETA-11/0190 | ||||||||
| 8 | 8 | 7 | 6 | 6 | 6 | 7 | 6 | 6 | 5 | 5 |
| 9 | 9 | 7 | 7 | 7 | 7 | 8 | 7 | 6 | 6 | 6 |
| 10 | 10 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 |
| 11 | 11 | 9 | 9 | 8 | 8 | 9 | 8 | 7 | 7 | 7 |
| 12 | 12 | 10 | 9 | 9 | 9 | 10 | 9 | 8 | 8 | 7 |
| 13 | 12 | 11 | 10 | 10 | 10 | 11 | 10 | 9 | 8 | 8 |
| 14 | 13 | 11 | 11 | 10 | 10 | 11 | 10 | 9 | 9 | 8 |
| 15 | 14 | 12 | 12 | 11 | 11 | 12 | 11 | 10 | 9 | 9 |
| Calculation of the load-bearing capacities of fasteners according to DIN EN 1995-1-1 as for thick steel sheets. The required minimum distances between the fasteners must be observed! The specifications are valid for a characteristic density ρk = 350 kg/m³ and for kmod = 0.9. | ||||||||||
| NOTE: These are guides for planning purposes. The values must be calculated for each project by authorised persons. | ||||||||||
| Tensile force in anchor bolt: FB,Ed = kt x FEd | ||||||||||||
| Tensile force in anchor bolt: FB,Ed = kt x FEd | ||||||||||||
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