8.0 Typical hold down connections

8.0 Typical hold down connections

Nominal Stud Tie-down

Strap connection options

Corner/Mid-wall - Hold-down anchor and round washer

For hold down anchor capacity, refer to manufacturer's information. Suitable hold down anchors are to be provided to resist the uplift forces.

Corner/Mid-wall - Hold-down anchor, bracket and square washer

For hold down anchor capacity, refer to manufacturer's information. Suitable hold down anchors are to be provided to resist the uplift forces.

Tie-down - Masonry anchors with washers (low uplift capacity - 4.8kN Limit State)

For hold down anchor capacity, refer to manufacturer's information. Suitable hold down anchors are to be provided to resist the uplift forces defined in Tables 2-5 of Section 3.3.1 of the ENDUROWALL® Building System Design Manual.

Tie-down - Masonry anchors with washers (medium uplift capacity - 7.5kN Limit State)

For hold down anchor capacity, refer to manufacturer's information. Suitable hold down anchors are to be provided to resist the uplift forces calculated by the ENDUROCADD® software or as defined in Tables 2-5 of Section 3.3.1 of the ENDUROWALL® Building System Design Manual.

Endurotie® bent tab stud tie down

For hold down anchor capacity, refer to manufacturer's information. Suitable hold down anchors are to be provided to resist the uplift forces by the ENDUROCADD® software or as defined in Tables 2-5 of Section 3.3.1 of the ENDUROWALL® Building System Design Manual. 

 

 

Stud Thickness (mm)

 

Plate thickness (mm)

90mm sections

75mm sections1

70mm sections1

Uplift capacity with 40x40x5mm2 washer

Uplift capacity with 24mm dia. bolt head or washer

Uplift capacity with 40x40x5mm2 washer

Uplift capacity with 24mm dia. bolt head or washer

Uplift capacity with 40x40x5mm2 washer

Uplift capacity with 24mm dia. bolt head or washer

0.75

0.75

15.0kN

6.0kN

9.09kN

4.0kN

7.9kN

3.5kN

1.0

1.0

21.0kN

15kN

18.49kN

11.25kN

17kN

10.3kN

1.2

1.2

30.0kN

19kN

N/A

NA

NA

NA

1 75mm and 70mm sections require the washers to be installed hard up against the web of the stud to ensure direct load transfer from the bent tab to the structure underneath via the bolt

2 40x40x5mm washers may be substituted with 38x38x5mm washers

Tie-down - Masonry anchors with bracket and washer (high uplift capacity - 12.5kN Limit State)

For hold down anchor capacity, refer to manufacturer's information. Suitable hold down anchors are to be provided to resist the uplift forces by the ENDUROCADD® software or as defined in Tables 2-5 of Section 3.3.1 of the ENDUROWALL® Building System Design Manual. 

Tie-down - Square Hollow Section (SHS)

For hold down anchor capacity, refer to manufacturer's information. Suitable hold down anchors are to be provided to resist the uplift forces by the ENDUROCADD® software or as defined in Tables 2-5 of Section 3.3.1 of the ENDUROWALL® Building System Design Manual.

Corner/Mid-wall Detail (Low Uplift Capacity)

Corner/Mid-wall Detail (Medium Uplift Capacity)

For hold down anchor capacity, refer to manufacturer's information. Suitable hold down anchors are to be provided to resist the uplift forces by the ENDUROCADD® software or as defined in Tables 2-5 of Section 3.3.1 of the ENDUROWALL® Building System Design Manual. 

Corner/Mid-wall Detail (High Uplift Capacity)

For hold down anchor capacity, refer to manufacturer's information. Suitable hold down anchors are to be provided to resist the uplift forces by the ENDUROCADD® software or as defined in Tables 2-5 of Section 3.3.1 of the ENDUROWALL® Building System Design Manual. 

Corner/Mid-wall Detail (SHS) 

For hold down anchor capacity, refer to manufacturer's information. Suitable hold down anchors are to be provided to resist the uplift forces by the ENDUROCADD® software or as defined in Tables 2-5 of Section 3.3.1 of the ENDUROWALL® Building System Design Manuall. 

Tie-down into suspended frame floor systems

Connection Type

Base Material

Fasteners - Particle Board to Joist

Fasteners - Adjacent to Studs

Limit State Load (kN)

Connection Type

Base Material

Fasteners - Particle Board to Joist

Fasteners - Adjacent to Studs

Limit State Load (kN)

A

C20015 joist directly under wall

Dia. 3.3 x 5.5mm Duo Fast nails (or equivalent) at 200mm centre to centre

Dia. 3.3 x 5.5mm Duo Fast nails (or equivalent) at one nail each side of stud

3.62

B

Dia. 3.3 x 5.5mm Duo Fast nails (or equivalent) at 200mm centre to centre

Dia. 3.3 x 5.5mm Duo Fast nails (or equivalent) at one nail each side of stud

3.88

C

#10-16x45mm CSK Tek screws of equivalent at 150mm centre to centre

#10-16x45mm CSK Tek screws or equivalent adjacent to each stud

4.76

D

Dia. 3.3 x 5.5mm Duo Fast nails (or equivalent) at 200mm centre to centre and Structaflor® elastomeric adhesive

#12-14x45mm Hex. head Tek screws or equivalent one each side of stud

5.72

E

Laminated Veneer Lumber or timber with JD4 Joint Group to AS1720

Min 50 x 2.5mm machine driven nails in accordance with manufacturers recommendations or AS1860 and Structaflor® elastomeric adhesive

 M5.5 x 40mm Hex. head batten screws.

5.71

 

 

A

B

C

D

A

B

C

D

One nail each side of stud through all sections. Nails at 200mm centres through particle board and joist. Adhesive strip at points where particle board meets joists.

One nail each side of stud through all sections. Nails at 200mm centres through particle board and joist. Adhesive strip at points where particle board meets joists and bottom plates.

One screw at each stud; three screws between studs at 600mm centres. Screw through all sections. Adhesive strip at points where particle board meets joists.

One screw each side of stud through all sections. Nails at 200mm centres through particle board and joist. Adhesive strip at points where particle board meets joists.

Hold down connection - Option 1

Hold down connection - Option 2

Hold down connection - Option 3