| Double |
Swivel Coupler |
||
| 48.3*34 |
48.3*34 |
34*34 |
34*38 |
| 48.3*38 |
48.3*38 |
38*38 |
38*42 |
| 48.3*42 |
48.3*42 |
42*42 |
42*60 |
| 48.3*48.3 |
48.3*48.3 |
- |
- |
| 48.3*60 |
48.3*60 |
60*60 |
60*76 |
| 48.3*76 |
48.3*76 |
76*76 |
86*89 |
| - |
48.3*89 |
89*89 |
- |
In test (Slipping Force)
In test (Failure Force)
Summary of Results:
| No. |
Test Item |
Test Method |
| 1 | Slipping Force |
EN 74-1:2005 |
| 2 | Failure Force |
EN 74-1:2005 |
Test Results:
| Test Clause |
Test Item |
Test Requirement |
Test Result |
Conclusion |
|
7.2.1
|
Slipping force |
△1≤7mm, Fs,5%≥10.0kN |
△1=7mm, Fs,5%=15.88kN |
Pass
|
| 1mm≤△2≤2mm, Fs,5% ≥15.0kN |
1mm≤△2≤2mm, Fs,5%=15.91kN |
|||
| 7.2.2 |
Failure force |
Ff,5%/γR2 ≥30.0kN |
Ff,5%/γR2=50.63kN |
Pass |
Drop Forged Swivel Coupler Class “B”
Under normal circumstances, it is difficult to reach B grade, but we reached
In test (Slipping Force)
In test (Failure Force)
Summary of Results:
| No. |
Test Item |
Test Method |
| 1 | Slipping Force |
EN 74-1:2005 |
| 2 | Failure Force |
EN 74-1:2005 |
Test Results:
| Test Clause |
Test Item |
Test Requirement (Swivel coupler, Class B) |
Test Result |
Conclusion |
|
7.2.1
|
Slipping force
|
△1≤7mm, Fs,5%≥10.0kN |
△1≤7mm, Fs,5%=10.6kN |
Pass
|
| 1mm≤△2≤2mm, Fs,5% ≥15.0kN |
Fs=30kN, △2˂1mm |
|||
| 7.2.2 |
Failure force |
Ff,5%/γR2 ≥20.0kN |
Ff,5%/γR2=24.4kN |
Pass |
Pressed Sleeve Coupler
In test
After test
Summary of Results:
| No. |
Test Item |
Test Method |
| 1 | Bending Moment Resistance |
EN 74-1:2005 Clause 7.4.3 |
| 2 | Slipping Force |
EN 74-1:2005 Clause 7.2.1 |
Test Results:
| Test Item |
Test Requirement |
Test Requirement (Sleeve coupler, Class B) |
Conclusion |
| Bending Moment Resistance |
△4=5mm, Mb,5% =1.43kNm |
△4=5mm, Mb,5% ≥1.4kNm |
Pass |
Putlog / Wrapover Coupler
In test
After test
Summary of Results:
| No. |
Test Item |
Test Method |
| 1 | Slipping Resistance |
BS 1139-2.2:2009+A1:2015 Clause 7 & Annex A.2 |
Test Results:
| Test Item |
Test Requirement |
Test Result |
Conclusion |
| Slipping Resistance |
1mm≤△2≤2mm, Fs,5% =1.83kN |
1mm≤△2≤2mm, Fs,5% ≥1.04kN |
Pass |
Girder / Gravlock Coupler
In test (Strength test)
In test (Slip test along tube)
In test (Slip test along tube a flange)
Summary of Results:
| No. |
Test Item |
Test Method |
| 1 | Strength test |
AS/NZS 1576.2:2016 Appendix L |
| 2 | Slip test along tube |
AS/NZS 1576.2:2016 Appendix M |
| 3 | Slip test along tube a flange |
AS/NZS 1576.2:2016 Appendix N |
Test Results:
| Test Clause |
Test Item |
Test Requirement |
Test Result |
Conclusion |
| Appendix L |
Strength test |
P=30.0kN, neither flange clamp shall show any permanent set |
P=30.0kN, neither flange clamp showed any permanent set |
Pass |
| Appendix M |
Slip test along tube |
P=12.5kN, Slippage ≤ 6mm |
P=12.5kN, Slippage<6mm |
Pass |
| Appendix N |
Slip test along tube a flange |
P=12.5kN, Slippage ≤ 6mm |
P=12.5kN, Slippage<6mm |
Pass |
Board Retaining Clamp
In test
After test
Summary of Results:
| No. |
Test Item |
Test Method |
| 1 | Failure Force |
With Reference to EN 74-1:2005 |
Test Results:
| Test Item |
Test Result |
|||||
| 1# |
3# |
3# |
4# |
5# |
Fp,5%/γR2 |
|
| Failure Force(kN) |
42.84 |
38.89 |
43.60 |
42.91 |
40.79 |
29.8 |
| Width across flats for hexagon nut, And Using Countries |
||
| Width |
21 |
United Kingdom and the Commonwealth of Nations |
| Width |
22 |
USA, Germany and some Eurupean countries |
| Width |
23 |
Australia |
| Width |
19 |
Japan, South Korea and some Southeast Asian countries |
|
|
Bolt Dia. |
Width across flats |
Height |
Width across flats |
Height |
Width across flats |
Height |
| Hexagon Nut |
1/2" |
S21 |
H11 |
S22 |
H11 |
S23 |
H11 |
|
|
|
SF21 |
H14 |
SF22 |
H14 |
SF23 |
H14 |
|
|
|
SF21 |
H19 |
SF22 |
H19 |
SF23 |
H119 |
|
|
|
S21 |
H15 |
|
|
|
|
|
|
M14 |
S22 |
H11 |
S23 |
H11 |
|
|
|
|
|
SF22 |
H14 |
SF23 |
H14 |
|
|
|
|
|
SF22 |
H19 |
SF23 |
H119 |
|
|
|
|
M12 |
SF19 |
H9 |
|
|
|
|
| Wing Nut |
1/2 |
|
|
|
|
|
|
| Dia. | Effective length / Bolt length | Use | |
| T-Bolt | 1/2 | 75-88 | United Kingdom and the Commonwealth of Nations |
| M14 | 75-87 | USA, Germany and some Eurupean countries | |
| M14 | 98-110 | USA, Germany and some Eurupean countries | |
| Eye Bolt | 1/2 | 67-86 | United Kingdom and the Commonwealth of Nations |
| M12 | 57-73 | United Kingdom and the Commonwealth of Nations | |
| M14 | 70-90 | USA, Germany and some Eurupean countries | |
| Spliting End Bolt | 1/2 | 45-82 | For Putlog coupler, BRC, etc. |
| Carriage Bolt | 1/2 | 116-125 | For tube external clamp, universal clamp, etc. |
| 85-92 | |||
| Hexagon Bolt | M16 | 72-80 | For Girder Coupler, DF Joint Pin |
| Flat T-Bolt | 1/2 | 66-76 | For Italian couplers |
| Thickness | Inner / Outer Dia. | |
| Washer | 3.5 | 13-26 |
| 5 | 13-26 |