Modular Support Systems Technical Guide, Edition 2
3.0 Modular Support System
3.2.3 MT System Connectors
MT-C-T / 1
Description
Wing fitting for assembling channel structures.
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-C-T / 1 |
Dry indoor conditions( C1)
Indoor with temporary condensation( C2)
|
MT-C-T / 1 OC |
Outdoor, low to moderate pollution( C3 / C4- low) |
Ordering Information |
Description |
Weight Per
Piece, lbs( kg)
|
Quantity
Piece( s)
|
Item No. |
MT-C-T / 1 |
0.97( 0.44) |
20 |
2272040 |
MT-C-T / 1 OC 0.97( 0.44) 20 2272042 mm( in)
Figure 39 – MT Channel Connection
Table 180- Allowable Strength Design( ASD) Load Data 1, 2, 3
A. B.
MT-50 / 50U MT-30 / 50 / 50U / 60 / 30D / 40D / 50D / 60D
Fz lb( kN) 580( 2.60)
1 Minimum safety factor, Ω, for tabulated values is 2.2. 2 Multiply tabulated values by 1.5 to obtain minimum Load and
Resistance Factor Design( LRFD) values. 3 See Figure 39.
Table 181- Limit State Design( LSD) Load Data 1, 2
Fz lb( kN) 825( 3.68)
1 Maximum resistance factor, φ, for tabulated values is 0.65. 2 See Figure 39.
Figure 40 – MT Channel Connection Table 182- Allowable Strength Design( ASD) Load Data 1, 2, 3
A. B.
MT-50 / 50U MT-30 / 50 / 50U / 60 / 30D / 40D / 50D / 60D
Fz lb( kN)
640( 2.86)
1 Minimum safety factor, Ω, for tabulated values is 2.2. 2 Multiply tabulated values by 1.5 to obtain minimum LRFD values. 3 See Figure 40.
Table 183- Limit State Design( LSD) Load Data 1, 2
Fz lb( kN) 910( 4.05)
1 Maximum resistance factor, φ, for tabulated values is 0.65.
2 See Figure 40.
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