Modular Support Systems Technical Guide, Edition 1
3.0 MODULAR SUPPORT SYSTEM 3.2.3 MT SYSTEM CONNECTORS MT-C-GS A OC
Description
Adjustable angle bracket for girder-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
Hot-Dipped Galvanized( HDG)
MT-C-GS A OC
Ordering Information
Description
Weight Per Piece lbs( kg)
Quantity Piece( s)
Item No. MT-C-GS A OC 0.86( 0.39) 10 2272068
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mm( in)
Figure 43- MT Single Angle Connection
Table 143- Allowable Strength Design( ASD) Load Data 1, 2, 3
F x lb( kN)
F y lb( kN)
F z lb( kN)
990 |
535 |
2,070 |
( 4.42) |
( 2.40) |
( 9.23) |
1. Minimum safety factor, Ω, for tabulated values is 2.0. 2. Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design
( LRFD) values. 3. See Figure 43.
Table 144- Limit State Design( LSD) Load Data 1, 2
A. MT-70 / 80( short side) B. MT-70 / 80 / 90 / 100
F x lb( kN)
F y lb( kN)
F z lb( kN)
1,445 |
810 |
2,675 |
( 6.44) |
( 3.61) |
( 11.91) |
1. Maximum resistance factor, Φ, for tabulated values is 0.7. 2. See Figure 43.
Figure 44- MT Double Angle Connection
Table 145- 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)
3,295 |
1,585 |
5,965 |
1,045 |
( 14.66) |
( 7.07) |
( 26.54) |
( 1.42) |
1. Minimum safety factor, Ω, for tabulated values is 2.0. 2. Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design
( LRFD) values. 3. See Figure 44.
Table 146- Limit State Design( LSD) Load Data 1, 2
A. MT-70 / 80( short side) B. MT-70 / 80 / 90 / 100
F x lb( kN)
F y lb( kN)
F z lb( kN)
M y ft lb( kN m)
4,280 |
2,385 |
8,685 |
1,525 |
( 19.06) |
( 10.63) |
( 38.65) |
( 2.07) |
1. Maximum resistance factor, Φ, for tabulated values is 0.75. 2. See Figure 44.
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