Modular Support Systems Technical Guide, Edition 2
3.0 Modular Support System
3.2.3 MT System Connectors
MT-C-LL1
Description
Wing fitting for assembling open channel structures. Meant to be used with the Twist Lock and Twist Lock Bolt.
Material Specifications
Standard 1 Grade 1 F y, ksi( MPa) F u, ksi( MPa)
GB / T 700 Q235 B 34.08( 235) 53.66( 370)
1 Mechanical properties of GB / T 700 Grade Q235 B meet or exceed the mechanical properties of ASTM A1011 SS Grade 33.
Corrosion Protection
Description |
Environmental Conditions |
MT-C-LL1 |
Dry indoor conditions( C1)
Indoor with temporary condensation( C2)
|
MT-C-LL1 OC |
Outdoor, low to moderate pollution( C3 / C4- low) |
Ordering Information |
Description |
Weight Per
Piece, lbs( kg)
|
Quantity
Piece( s)
|
Item No. |
MT-C-LL1 |
1.75( 0.34) |
10 |
2272047 |
MT-C-LL1 OC 1.75( 0.34) 10 2272049
mm( in)
Figure 41 – MT Channel Connection
Table 184- Allowable Strength Design( ASD) Load Data 1, 2, 3
Fx lb( kN) |
Fy lb( kN) |
Fz lb( kN) |
1,135( 5.04) |
175( 0.77) |
1,135( 5.04) |
1 Minimum safety factor, Ω, for tabulated values is 2.5. |
2 Multiply tabulated values by 1.5 to obtain minimum Load and |
Resistance Factor Design( LRFD) values. |
3 See Figure 41. |
Table 185- Limit State Design( LSD) Load Data 1, 2
Fx lb( kN) |
Fy lb( kN) |
Fz lb( kN) |
1,450( 6.45) |
210( 0.95) |
1,450( 6.45) |
1 Maximum resistance factor, φ, for tabulated values is 0.51. |
2 See Figure 41. |
A. MT-30 / 50 / 50U / 60
100 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