Modular Support Systems Technical Guide, Edition 2
3.0 Modular Support System
3.2.2 MT Base Connectors
MT-B-O2B 60D
Description
Base plate for MT-60D back-to-back channel-to-concrete or channel-to-steel connection( X-BT / S-BT / F-BT compatible). Meant to be installed with Twist Lock and Twist Lock Bolt. Also compatible for attachment to MT 90, MT 90H, or MT100 girder.
Material Specifications
Standard 1 Grade 1 F y, ksi( MPa) F u, ksi( MPa)
GB / T 1591 Q355 B 51.49( 355) 68.17( 470)
1 Mechanical properties of GB / T 1591 Grade Q355 B meet or exceed the mechanical properties of ASTM A1011 SS Grade 50.
Corrosion Protection
Description |
Environmental Conditions |
MT-B-O2B 60D |
Dry indoor conditions( C1)
Indoor with temporary condensation( C2)
|
MT-B-O2B 60D OC Outdoor, low to moderate pollution( C3 / C4- low) |
Ordering Information
Description
Weight Per Piece, lbs( kg)
Quantity Piece( s)
Item No. MT-B-O2B 60D 5.68( 2.575) 6 2358236 MT-B-O2B 60D OC 5.68( 2.575) 6 2358237
Figure 20 – MT 60D Channel Connection Table 142- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4
Fx lb( kN) |
Fy lb( kN) |
Fz lb( kN) |
My lb ft( kN m) |
|
3,875
( 17.24)
|
1,310
( 5.83)
|
4,260
( 18.95)
|
1,060
( 1.44)
|
1 Minimum safety factor, Ω, for tabulated values is 2.0. |
2 Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design |
( LRFD) values. |
3 Tabulated values are for base connector only. Design professional is responsible for |
checking concrete and fastener strength. |
4 See Figure 20. |
Table 143- Limit State Design( LSD) Load Data 1, 2, 3
Fx lb( kN) |
Fy lb( kN) |
Fz lb( kN) |
My lb ft( kN m) |
5,660( 25.17) |
1,970( 8.76) |
5,695( 25.33) |
1,455( 1.97) |
1 Maximum resistance factor, φ, for tabulated values is 0.52. |
2 Tabulated values are for base connector only. Design professional is responsible for |
checking concrete and fastener strength. |
3 See Figure 20. |
84 Modular Support Systems Technical Guide Edition 2 | Installation Systems Hilti, Inc. 1-800-879-8000 | en español 1-800-879-5000 | www. hilti. com | Hilti( Canada) Corporation | 1-800-363-4458 | www. hilti. ca