Modular Support Systems Technical Guide, Edition 2
3.0 Modular Support System
3.2.5 MT Angle Braces and Fittings
MT-AB-G T OC
Description
Angle brace connector for MT girders. 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
Description
Environmental Conditions MT-AB-G T OC Outdoor, low to moderate pollution( C3 / C4- low)
Ordering Information
Description
Weight Per Piece, lbs( kg)
Quantity Piece( s)
Item No. MT-AB-G T OC 0.77( 0.35) 4 2272116 mm( in)
Figure 93 – MT Girder Connection
Table 288- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4
Fr lb( kN) 4,740( 21.10)
1 Minimum safety factor, Ω, for tabulated values is 2.35. 2 Multiply tabulated values by 1.5 to obtain minimum Load and
Resistance Factor Design( LRFD) values. 3 Connectors are to be installed in pairs. 4 See Figure 93.
Table 289- Limit State Design( LSD) Load Data 1, 2, 3
A. MT-70 / 80 / 90 / 90H / 100
Fr lb( kN) 6,315( 28.10)
1 Maximum resistance factor, φ, for tabulated values is 0.6. 2 Connectors are to be installed in pairs. 3 See Figure 93.
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