AB255HD

Heavy Duty Angle Bracket for CLT with skewed screws

The AB255HD angle bracket is developped for CLT construction. Flexible, it is designed for both shear and vertical loading. With skewed full threaded screws, it enables very high uplift capacities and it can be hidden under concrete screed.

Označení CE
ETA
Servisní třída 2
Uvnitř
Pozinkovaná ocel Z275

Podrobnosti produktu

Obrázky

Vlastnosti

Material

  • Pre-galvanised mild steel.
  • S 250 GD + Z 275 according to EN 10346

Benefits

  • Perfect for CLT building,
  • Very high capacity : F2/3 and F1
  • can be hidden in concrete screed

Aplikace

Suitable On

  • Supporting member: solid wood, glued-laminated wood, etc.
  • Supported member: solid wood, composite lumber, glued-laminated wood.

When to Use

  • Solid timber panels,
  • CLT panels.

Technické údaje

Rozměry

Product dimensions

Art. nr. Product dimensions [mm] Holes flange A Holes flange B Box Quantity
A B C t Ø5 Ø14 Ø5 Ø9 Ø14
AB255HD1231002553562415410

Product characteristic capacities - Timber to timber - 1 angle bracket - Nailing pattern 1

Art. nr. Product capacities - Timber to timber - Nail pattern 1
Fasteners Characteristic capacities - Timber C24 - 1 angle bracket per connection [kN]
Flange A Flange B R1.k R2.k = R3.k R4.k R5.k
Qty Type Qty Type Qty Type CNA4.0x50 CSA5.0x50 CNA4.0x50 CSA5.0x50 CNA4.0x50 CSA5.0x50 CNA4.0x50 CSA5.0x50
AB255HD26CNA/CSA5ESCRFTC8.0x14013CNA/CSAmin (51.0 ; 56/kmod)min (51.0 ; 56/kmod)42.94613.9/kmod^0.813.9/kmod^0.8min (8.7 ; 9.2/kmod)9.2/kmod

The value in the table above can be used if the panel can't rotate.

The R1.k values are valid  for any quantity of CNA/CSA fasteners on flange B.

Values with other ESCRFTC length are availables in ETA.

Product characteristic capacities - Timber to timber - 1 angle bracket - Nailing pattern 2

Art. nr. Product capacities - Timber to timber - Nail pattern 2
Fasteners Characteristic capacities - Timber C24 - 1 angle bracket per connection [kN]
Flange A Flange B R1.k R2.k = R3.k R4.k R5.k
Qty Type Qty Type Qty Type CNA4.0x50 CSA5.0x50 CNA4.0x50 CSA5.0x50 CNA4.0x50 CSA5.0x50 CNA4.0x50 CSA5.0x50
AB255HD30CNA/CSA5ESCRFTC8.0x20013CNA/CSAmin (66.4 ; 56/kmod)min (72.4 ; 56/kmod)46.553.513.9/kmod^0.813.9/kmod^0.8min (13.5 ; 9.2/kmod)9.2/kmod

The value in the table above can be used if the panel can't rotate.

The R1.k values are valid  for any quantity of CNA/CSA fasteners on flange B.

Values with other ESCRFTC length are availables in ETA.

Product characteristic capacities - Timber to timber - 1 angle bracket - Nailing pattern 3

Art. nr. Product capacities - Timber to timber - Nail pattern 3
Fasteners Characteristic capacities - Timber C24 - 1 angle bracket per connection [kN]
Flange A Flange B R1.k R2.k = R3.k R4.k R5.k
Qty Type Qty Type Qty Type CNA4.0x50 CSA5.0x50 CNA4.0x50 CSA5.0x50 CNA4.0x50 CNA5.0x50 CNA4.0x50 CNA5.0x50
AB255HD26CNA/CSA3ESCRFTC8.0x20013CNA/CSAmin (46.8 ; 56/kmod)min (46.8 ; 56/kmod)32.443.413.9/kmod^0.813.9/kmod^0.8min (8.7 ; 9.2/kmod)9.25/kmod

The value in the table above can be used if the panel can't rotate.

The R1.k values are valid  for any quantity of CNA/CSA fasteners on flange B.

Values with other ESCRFTC length are availables in ETA.

Instalace

Instalace

Fasteners

On timber:

  • CNA 4.0x50, CNA4.0x60
  • CSA 5.0x50 screws
  • ESCRFTC8.0xL (various length allowed, depending on the requested capacity)

On concrete:

  • Mechanical anchor: WA M12-104/5
  • Chemical anchor: AT-HP resin + LMAS M12-150/35 threaded rod

Installation

Set CNA nails or CSA screws first, then set the ESCRFTC8.0 full threaded screws at an approximate 70° angle.

A jig is recommanded for skewed screw installation (SSJ jig is available)

The possible screwing/nailing pattern are displayed below:

 

Certifikace

Evropské technické posouzení (ETA)

eta-06-0106.pdf (13.43 MB)

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Contact

Simpson Strong-Tie Německo

Simpson Strong-Tie GmbH

Hubert-Vergölst-Straße 6-14
61231 Bad Nauheim
Německo