Modular Support Systems Technical Guide , Edition 1
3.0 MODULAR SUPPORT SYSTEM 3.2.3 MT SYSTEM CONNECTORS MT-C-T 3D / 3
Description
Three sided 3D connector for T-shape channel connections . 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
Electro-Galvanized ( EG )
MT-C-T 3D / 3
Hot-Dipped Galvanized ( HDG )
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MT-C-T 3D / 3 OC
Ordering Information
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Description
Weight Per Piece lbs ( kg )
Quantity Piece ( s )
Item No .
MT-C-T 3D / 3 1.39 ( 0.63 ) 10 2272060 MT-C-T 3D / 3 OC 1.39 ( 0.63 ) 10 2272061
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mm ( in )
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Figure 38 - MT Channel Connection Table 133 - Allowable Strength Design ( ASD ) Load Data 1 , 2 , 3 , 4
F z lb ( kN )
1,010 ( 4.50 )
1 . Minimum safety factor , Ω , for tabulated values is 2.65 . 2 . Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design
( LRFD ) values . 3 . See Figure 38 . 4 . Tabulated values represent the maximum total allowable load of the connector . The applied load on a single horizontal leg cannot exceed 845 lbs ( 3.77 kN ).
Table 134 - Limit State Design ( LSD ) Load Data 1 , 2 , 3
A . MT-30 / 50 / 60 / 40D
F z lb ( kN )
1,405 ( 6.26 )
1 . Maximum resistance factor , Φ , for tabulated values is 0.55 . 2 . See Figure 38 . 3 . Tabulated values represent the maximum total factored load of the connector . The applied load on a single horizontal leg cannot exceed 1,200 lbs ( 5.34 kN ).
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