Modular Support Systems Technical Guide , Edition 1
3.0 MODULAR SUPPORT SYSTEM 3.2.3 MT SYSTEM CONNECTORS MT-C-T A
Description
Angle bracket for channel-to-channel or channel-to-girder 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 A
Hot-Dipped Galvanized ( HDG )
MT-C-T A OC
Ordering Information
Description
Weight Per Piece lbs ( kg )
Quantity Piece ( s )
Item No .
MT-C-T A 0.71 ( 0.32 ) 20 2272056 MT-C-T A OC 0.71 ( 0.32 ) 20 2272057
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Figure 35 - MT Channel-to-Girder Connection
Table 127 - Allowable Strength Design ( ASD ) Load Data 1 , 2 , 3
F x lb ( kN )
F y lb ( kN )
F z lb ( kN )
1,400 |
415 |
240 |
( 6.23 ) |
( 1.86 ) |
( 1.08 ) |
1 . Minimum safety factor , Ω , for tabulated values is 2.3 . 2 . Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design
( LRFD ) values . 3 . See Figure 35 .
A . MT-30 / 50 / 60 B . MT-70 / 80 / 90 / 100
Table 128 - Limit State Design ( LSD ) Load Data 1 , 2
F x lb ( kN )
F y lb ( kN )
F z lb ( kN )
1,880 |
560 |
385 |
( 8.38 ) |
( 2.51 ) |
( 1.73 ) |
1 . Maximum resistance factor , Φ , for tabulated values is 0.6 . 2 . See Figure 35 .
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