Modular Support Systems Technical Guide , Edition 1
3.0 MODULAR SUPPORT SYSTEM 3.2.3 MT SYSTEM CONNECTORS MT-C-GL OC
Description
Angle connector for MT-80 ( long side ), MT-90 , and MT-100 girders . Use as base for attachment to concrete or steel ( X-BT / S-BT / F-BT compatible ).
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 . |
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Corrosion Protection
Hot-Dipped Galvanized ( HDG )
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MT-C-GL OC
Ordering Information
Description
Weight Per Piece lbs ( kg )
Quantity Piece ( s )
Item No .
MT-C-GL OC 2.64 ( 1.2 ) 10 2272066
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mm ( in ) |
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Figure 41 - MT Single Angle Connection
Table 139 - Allowable Strength Design ( ASD ) Load Data 1 , 2 , 3
F x lb ( kN )
F y lb ( kN )
F z lb ( kN )
3,070 |
2,610 |
3,240 |
( 13.65 ) |
( 11.6 ) |
( 14.45 ) |
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 41 .
Table 140 - Limit State Design ( LSD ) Load Data 1 , 2
A . MT-80 ( long side )/ 90 / 100
F x lb ( kN )
F y lb ( kN )
F z lb ( kN )
4,910 |
3,680 |
4,610 |
( 21.83 ) |
( 16.38 ) |
( 20.52 ) |
1 . Maximum resistance factor , Φ , for tabulated values is 0.65 . 2 . See Figure 41 .
Figure 42 - MT Double Angle Connection
Table 141 - Allowable Strength Design ( ASD ) Load Data 1 , 2 , 3
F x lb ( kN )
F y lb ( kN )
F z lb ( kN )
M y ft lb ( kN m )
M z ft lb ( kN m )
7,340 |
5,230 |
5,620 |
1,320 |
875 |
( 32.65 ) |
( 23.27 ) |
( 25.00 ) |
( 1.79 ) |
( 1.19 ) |
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 42 .
A . MT-80 ( long side )/ 90 / 100
Table 142 - Limit State Design ( LSD ) Load Data 1 , 2
F x lb ( kN )
F y lb ( kN )
F z lb ( kN )
M y ft lb ( kN m )
M z ft lb ( kN m )
10,690 |
7,360 |
7,975 |
1,870 |
1,140 |
( 47.58 ) |
( 32.76 ) |
( 35.49 ) |
( 2.54 ) |
( 1.55 ) |
1 . Maximum resistance factor , Φ , for tabulated values is 0.65 . 2 . See Figure 42 .
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