Member of www.eota.eu Centre Scientifique et Technique du Bâtiment 84 avenue Jean Jaurès CHAMPS-SUR-MARNE F-77447 Marne-la-Vallée Cedex 2 Tél.
European technical assessment ETA-07/0137 English translation prepared by CSTB Page 2 of 37| 24/10/2014 Specific part 1 Technical description of the product Simpson Strong-Tie Universal brackets, Purlin anchors and Joist anchors are three dimensional nailing plates made of pre-galvanized steel Grade S250GD+Z275 or S350GD+Z275 according to EN 10346:2009 of thickness 1.5 mm to 2.5 mm or 1.2-1.5 mm pre-galvanized mild steel or 1.5 mm G20 pre-galvanized steel Grade 33 according to ASTM A653.
European technical assessment ETA-07/0137 English translation prepared by CSTB Page 3 of 37| 24/10/2014 The mechanical capacities are determined by calculation and calculation assisted by testing as described in the EOTA Guideline 015 Clause 5.1.2. They should be used for designs in accordance with Eurocode 5 or a similar national timber code. No performance determined (NPD) towards seismic action.
European technical assessment ETA-07/0137 English translation prepared by CSTB 3.3 Page 4 of 37| 24/10/2014 Hygiene, health and the environment (BWR 3) Based on the declaration of the manufacturer, the SIMPSON Strong-Tie Universal brackets, Purlin anchors and Joist anchors do not contain harmful or dangerous substances as defined in the EU database. Lead Due to the declaration of dangerous substances, the product does not contain lead or lead compounds.
European technical assessment ETA-07/0137 English translation prepared by CSTB Page 5 of 37| 24/10/2014 According to the Decision 97/638/EC of the European Commission, as amended, the system of assessment and verification of constancy of performance (see Annex V to Regulation (EU) No 305/2011) given in the following table apply.
Page 6 of European Technical Approval ETA-07/0137 UNI96 UNI100 SIMPSON Strong Tie brackets, purlin and joist anchors Annex 1 Universal brackets UNI96 / UNI100 Of European Technical Assessment Geometry and drawings ETA-07/0137
Page 7 of European Technical Approval ETA-07/0137 UNI130 UNI190 SIMPSON Strong Tie brackets, purlin and joist anchors Annex 2 Of European Technical Assessment Universal brackets UNI130 / UNI190 Geometry and drawings ETA-07/0137
Page 8 of European Technical Approval ETA-07/0137 Direction of forces nails patterns and other assumptions Universal brackets For the brackets: UNI190, UNI130, UNI100 and UNI96 the calculations cover the load-carrying capacities of the connections for nail patterns and forces in the directions shown in the figures below: UNI190 Directions of forces, nail numbers and definition of forces on a single bracket. The 2 brackets are placed diagonally.
Page 9 of European Technical Approval ETA-07/0137 UNI130 ○ holes ● nails UNI100 ○ holes ● nails SIMPSON Strong Tie brackets, purlin and joist anchors Annex 3 of European Universal brackets Direction and Combination of forces Technical Assessment ETA-07/0137
Page 10 of European Technical Approval ETA-07/0137 UNI96 UNI96: direction of forces and nail pattern It is assumed that forces are positioned in the following way in relation to the connection: F1 - Lifting force Typically 2 brackets are used, one on each side of the joist. Therefore, it is assumed that the lifting force is acting at the bending line of the bracket.
Page 11 of European Technical Approval ETA-07/0137 Combination of forces When the bracket connection is subjected to more than one of the forces the strength verification can be made by verifying that the following inequalities are valid: For UNI96, UNI100 and UNI130 subjected to F1 , F2 or F4: F1,d R1,d F2,d R2 , d F4,d R4 , d 1,0 For UNI190: F1,d R1,d F2,d R2 , d F3,d R3,d F4,d R4,d F5,d R5,d 1,0 If F2d has a value then F3 = 0 and the other way around.
Page 12 of European Technical Approval ETA-07/0137 Joist anchors type PFE Model No (type PFE) L (mm) Thick (mm) PFE170 PFE210 170 210 2.5 2.5 Number of holes ø5 mm 6 8 Joists anchors type PFU PFU 170 PFU 210 PFU 250 Model No (type PFU) L (mm) Thick (mm) PFU170 PFU210 PFU250 170 210 250 2.0 2.0 2.
Page 13 of European Technical Approval ETA-07/0137 Joist anchor PSG and PSD Joist anchor PSTG or PSTD 180/30/1.
Page 14 of European Technical Approval ETA-07/0137 Model No./Type A (mm) B (mm) C (mm) Thick (mm) Number of holes ø5 mm PSD200/30/1.5 PSG200/30/1.5 PSD200/45/2 PSG200/45/2 PSD200/30/2 PSG200/30/2 PSD220/45/2 PSG220/45/2 PSD180/30/1.5 PSG180/30/1.5 PSTD180/30/1.5 PSTG180/30/1.5 200 200 200 200 200 200 220 220 30 30 45 45 30 30 45 45 180 180 180 180 30 30 30 30 140 140 140 140 140 140 160 160 120 120 154 154 1.5 1.5 2 2 2 2 2 2 1.5 1.5 1.5 1.
Page 15 of European Technical Approval ETA-07/0137 Purlin anchors SPF 170 to 370 .
Page 16 of European Technical Approval ETA-07/0137 Joist anchor MTS 12 Joist anchor MTS 30 SIMPSON Strong Tie brackets, purlin and joist anchors Annex 7 of European Joist anchors MTS Geometry and drawings Technical Assessment ETA-07/0137
Page 17 of European Technical Approval ETA-07/0137 Joist anchor LTS 18 Joist LTS 18 – 3 dimensional view SIMPSON Strong Tie brackets, purlin and joist anchors Annex 8 of European Joist anchors LTS Geometry and drawings Technical Assessment ETA-07/0137
Page 18 of European Technical Approval ETA-07/0137 For the purlin and joist anchors the calculations cover the load-carrying capacities of the connections for forces in the directions shown in the figure below. Purlin and joist anchors Direction and definition of forces on a single bracket. The 2 anchors a placed diagonally.
Page 19 of European Technical Approval ETA-07/0137 Combination of forces When the anchor connection is subjected to more than one of the forces the strength verification can be made by verifying that the following inequalities are valid: For all purlin and joist anchors: F1,d R1,d F2,d R2 , d F3,d R3,d 1,0 SIMPSON Strong Tie brackets, purlin and joist anchors Annex 9 of European Joist anchors and purlin anchors Technical Assessment Direction and combination of forces ETA-07/0137
Page 20 of European Technical Approval ETA-07/0137 Joist anchor A34 Joist anchor A35 SIMPSON Strong Tie brackets, purlin and joist anchors Annex 10 of European Joist anchors A34 and A35 Geometry and drawings Technical Assessment ETA-07/0137
Page 21 of European Technical Approval ETA-07/0137 For the A34 and A35 joist anchors the calculations cover the load-carrying capacities of the connections for forces in the directions shown in the figure below. For joist to beam connections F1 will be the uplift and download. For A34 the connection can be made with one joist anchor, where F2 will be the horisontal force acting parallel to the header and toward the joist anchor.
Page 22 of European Technical Approval ETA-07/0137 Joist anchor H2.5A Joist anchor H4 H4 Left H4 Right SIMPSON Strong Tie brackets, purlin and joist anchors Annex 13 of European Joist anchors H2.
Page 23 of European Technical Approval ETA-07/0137 For the H4 and H2.5A joist anchors the calculations cover the load-carrying capacities of the connections for forces in the directions shown in the figure below. F1 and F4 are uplift forces. F2 is horizontal force acting parallel to the plate and perpendicullar to the rafter. F3 is horizontal force acting parallel to the rafter and perpendicullar to the plate. The connections can be made with one connector if the rafter is prevented from rotation. H2.
Page 24 of European Technical Approval ETA-07/0137 6 Requirements for the wood members The wood members can be of solid timber, glued laminated timber and similar glued members, or wood-based structural members with a minimum density of 290 kg/m3. The moisture content of wood by the time of installation shall be close to expected equilibrium moisture content in service.
Page 25 of European Technical Approval ETA-07/0137 Applicable fasteners types and sizes in the cases where the load carrying capacities are expressed by a formula Nails diameter Length Min-Max Correspondent Hole Diameter Min-Max 3.1 40 – 60 3.4 – 4.0 4.0 35 – 100 4.4 – 5.0 4.2 35 – 60 4.7 – 5.3 3.1 35 3.4 – 4.0 4.0 35 – 100 4.4 – 5.0 3.75 30 – 32 3.8 – 5.0 3.35 65 3.4 – 4.0 Screw diameter Length Min-Max Correspondent Hole Diameter Min-Max Screw Type 5.0 35 - 50 5.
Page 26 of European Technical Approval ETA-07/0137 R1,k is the characteristic lifting capacity for two brackets. R2,k and R3,k are the characteristic axial capacities in the direction of the joist for two brackets. R4,k and R5,k are the characteristic capacities in the direction perpendicular to the joist and for two brackets. UNI96 : All capacities given in kN for a connection with two brackets, one on each side of the purlin.
Page 27 of European Technical Approval ETA-07/0137 UNI130 : All capacities are given in kN for a connection with two brackets, one on each side of the purlin and only for connector nails in accordance with ETA-04/0013 with the dimensions 4.0 x 40 and 4.0 x 50 mm or with the dimensions 4.2 x 40 and 4.2 x 50 mm. R1,k : Load duration Nail 4.0 x 40 Nail 4.0 x 50 Perm. 6,7 8,8 Long 7,8 10,3 Medium 8,9 11,5 Short 9,9 12,7 Inst.
Page 28 of European Technical Approval ETA-07/0137 UNI190 ( 2 brackets per connection) : All capacities are given in kN for a connection with two brackets, one on each side of the purlin and only for connector nails in accordance with ETA-04/0013 with the dimensions 4.0 x 40 and 4.0 x 50 mm or with the dimensions 4.2 x 40 and 4.2 x 50 mm. R1,k : values given for 3 nails (or 6 nails) in each end of the brackets + 1 nail in the horizontal flap Load duration Nail 4.0 x 40 Nail 4.0 x 50 Perm.
Page 29 of European Technical Approval ETA-07/0137 UNI190 ( 1 bracket per connection) : All capacities are given in kN for a connection one bracket and only for connector nails in accordance with ETA-04/0013 with the dimensions 4.0 x 40 and 4.0 x 50 mm or with the dimensions 4.2 x 40 and 4.2 x 50 mm.
Page 30 of European Technical Approval ETA-07/0137 R1,k is the characteristic lifting capacity for one joist anchor with the assumption that two joist anchors are placed diagonally. R2,k is the horizontal characteristic capacity toward the joist anchor. R3,k is the horizontal characteristic away from the joist anchor. Joist anchors type PFE170 and PFE210 : All capacities given in kN for a connection with one joist anchor.
Page 31 of European Technical Approval ETA-07/0137 Joist anchors type PFU170 to PFU250 : All capacities given in kN for a connection with one joist anchor. R1,k = Min (k1 ∙ kmod ∙ Rlat,k ; 5,2 kN) PFU170 R1,k = Min (k1 ∙ kmod ∙ Rlat,k ; 7,3 kN) PFU 210 and PFU250 With k1 factor without dimension given in the table below.
Page 32 of European Technical Approval ETA-07/0137 Joist anchors type PS 180 to PS 220 and PST : All capacities given in kN for a connection with one joist anchor for uplift characteritics (R k,1) and two joist anchors for horizontal characteristics (Rk,2). R1,k = Min (k1 ∙ kmod ∙ Rlat,k ; Rsteel) With k1 factor without dimension and Rsteel given in the table below.
Page 33 of European Technical Approval ETA-07/0137 R1,k is the characteristic lifting capacity for one purlin anchor with the assumption that two purlin anchors are placed diagonally. R2,k is the horizontal characteristic capacity toward the purlin anchor for one purlin anchor. R3,k is the horizontal characteristic capacity away from the purlin anchor, perpendicular to the purlin for one purlin anchor. Purlin SPF 170 to 370 : All capacities given in kN for a connection with one purlin anchor.
Page 34 of European Technical Approval ETA-07/0137 Joist anchors type MTS and LTS : Capacity given in kN for a connection with one joist anchor for uplift characteritics (R1,k) R1,k = Min ( k1 ∙ kmod ∙ Rlat,k ; Rsteel ) With k1 factor without dimension and steel capacity Rsteel given in the following table Joist anchor Unit MTS 12 and MTS 30 LTS 18 Number of nails 4 5 6 7 4 5 6 7 k1 Rsteel 3,10 3,54 4,68 5,64 2,43 3,25 4,30 5,42 [kN] 4,02 2,89 R1,k is the characteristic lifting capacity for one joi
Page 35 of European Technical Approval ETA-07/0137 Joist anchors type A34 : All capacities given in kN for a connection with one joist anchor for uplift characteritics (R 1,k) and for horizontal characteristics (R2,k).
Joist anchors type H2.5 : All capacities given in kN for a connection with one joist anchor for uplift characteristics (R1,k) and two joist anchors for horizontal characteristics (R2,k). Characteristic capacity e capacities are for connections with one connector where the rafter is prevented from rotation. The connectors may be installed in pairs to achieve twice the stated capacity. The connectors can also be installed diagonally across from each.
Joist anchors type H4 : All capacities given in kN for a connection with one joist anchor for uplift characteristics (R 1,k) and two joist anchors for horizontal characteristics (R2,k). Characteristic capacity The capacities are for connections with one connector where the rafter is prevented from rotation. The connectors may be installed in pairs to achieve twice the stated capacity. The connectors can also be installed diagonally across from each.
