Modular Support Systems Technical Guide , Edition 1
3.0 MODULAR SUPPORT SYSTEM 3.2.3 MT SYSTEM CONNECTORS
MT-C-LL1
Description
Wing fitting for assembling channel structures . 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
Electro-Galvanized ( EG )
MT-C-LL1
Hot-Dipped Galvanized ( HDG )
MT-C-LL1 OC
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Ordering Information
Description
Weight Per Piece lbs ( kg )
Quantity Piece ( s )
Item No .
MT-C-LL1 1.75 ( 0.79 ) 10 2272047 MT-C-LL1 OC 1.75 ( 0.79 ) 10 2272049
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Figure 31 - MT Channel Connection
Table 119 - Allowable Strength Design ( ASD ) Load Data 1 , 2 , 3
F x lb ( kN )
F y lb ( kN )
F z lb ( kN )
1,130 |
170 |
1,130 |
( 5.04 ) |
( 0.77 ) |
( 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 31 .
Table 120 - Limit State Design ( LSD ) Load Data 1 , 2
A . MT-30 / 50 / 60
F x lb ( kN )
F y lb ( kN )
F z lb ( kN )
1,450 |
210 |
1,450 |
( 6.45 ) |
( 0.95 ) |
( 6.45 ) |
1 . Maximum resistance factor , Φ , for tabulated values is 0.55 . 2 . See Figure 31 .
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