Modular Support Systems Technical Guide, Edition 1
3.0 MODULAR SUPPORT SYSTEM 3.2.3 MT SYSTEM CONNECTORS MT-C-GS OC
Description
Angle connector for girder and channel connections. 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.
Corrosion Protection
Hot-Dipped Galvanized( HDG)
MT-C-GS OC
Ordering Information
Description
Weight Per Piece lbs( kg)
Quantity Piece( s)
Item No. MT-C-GS OC 0.88( 0.40) 10 2272064
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Figure 39- MT Channel Connection to Girder
Table 135- Allowable Strength Design( ASD) Load Data 1, 2, 3
F x lb( kN)
F y lb( kN)
F z lb( kN)
1,230 |
310 |
950 |
( 5.50) |
( 1.37) |
( 4.21) |
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 39.
Table 136- Limit State Design( LSD) Load Data 1, 2
A. MT-30 / 50 / 60 / 40D B. MT-70 / 80 / 90 / 100
F x lb( kN)
F y lb( kN)
F z lb( kN)
1,860 |
465 |
1,230 |
( 8.27) |
( 2.07) |
( 5.47) |
1. Maximum resistance factor, Φ, for tabulated values is 0.70. 2. See Figure 39.
Figure 40- MT Double Angle Connection
Table 137- 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)
1,970 |
250 |
2,130 |
715 |
( 8.78) |
( 1.13) |
( 9.49) |
( 0.97) |
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 40.
Table 138- Limit State Design( LSD) Load Data 1, 2
A. MT-40D B. MT-70 / 80 / 90 / 100
F x lb( kN)
F y lb( kN)
F z lb( kN)
M y ft lb( kN m)
2,785 |
380 |
3,205 |
925 |
( 12.39) |
( 1.70) |
( 14.27) |
( 1.26) |
1. Maximum resistance factor, Φ, for tabulated values is 0.70. 2. See Figure 40.
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