Modular Support Systems Technical Guide , Edition 1
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
Pre-Galvanized ( PG )
MT-C-T / 1
Hot-Dipped Galvanized ( HDG )
MT-C-T / 1 OC
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
Figure 29 - MT Channel Connection
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Table 115 - Allowable Strength Design ( ASD ) Load Data 1 , 2 , 3
F z lb ( kN )
580 ( 2.60 )
1 . 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 29 .
Figure 30 - MT Channel Connection
A . MT-50 B . MT-30 / 50 / 60 / 40D
Table 116 - Limit State Design ( LSD ) Load Data 1 , 2
F z lb ( kN )
825 ( 3.68 )
1 . Resistance factor , Φ , for tabulated values is 0.65 . 2 . See Figure 29 .
Table 117 - Allowable Strength Design ( ASD ) Load Data 1 , 2 , 3
F z lb ( kN )
640 ( 2.86 )
1 . 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 30 .
A . MT-50 B . MT-30 / 50 / 60 / 40D
Table 118 - Limit State Design ( LSD ) Load Data 1 , 2
F z lb ( kN )
910 ( 4.05 )
1 . Resistance factor , Φ , for tabulated values is 0.65 . 2 . See Figure 30 .
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