Product Technical Guides : CA-EN Modular Systems Product Technical Guide | Page 88

Modular Support Systems Technical Guide, Edition 1
3.0 MODULAR SUPPORT SYSTEM 3.2.3 MT SYSTEM CONNECTORS MT-C-GL A OC
Description
Adjustable connector for MT-80( long side), MT-90, and MT-100 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
Hot-Dipped Galvanized( HDG)
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MT-C-GL A OC
Ordering Information
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Description
Weight Per Piece lbs( kg)
Quantity Piece( s)
Item No.
MT-C-GL A OC 2.53( 1.15) 10 2272069
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Figure 45- MT Single Angle Connection
Table 147- Allowable Strength Design( ASD) Load Data 1, 2, 3
F x lb( kN)
F y lb( kN)
F z lb( kN)
2,995
2,620
3,000
( 13.33)
( 11.66)
( 13.36)
1. Minimum safety factor, Ω, for tabulated values is 2.1. 2. Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design
( LRFD) values. 3. See Figure 45.
Table 148- Limit State Design( LSD) Load Data 1, 2
A. MT-80( long side)/ 90 / 100( short side)
F x lb( kN)
F y lb( kN)
F z lb( kN)
4,495
3,935
4,510
( 20.00)
( 17.52)
( 20.08)
1. Maximum resistance factor, Φ, for tabulated values is 0.7. 2. See Figure 45.
Figure 46- MT Double Angle Connection
Table 149- 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)
6,560
5,275
5,615
1,320
( 29.20)
( 23.47)
( 24.99)
( 1.79)
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 46.
Table 150- Limit State Design( LSD) Load Data 1, 2
A. MT-80( long side)/ 90 / 100( short side)
F x lb( kN)
F y lb( kN)
F z lb( kN)
M y ft lb( kN m)
8,530
7,635
7,970
1,870
( 37.96)
( 33.97)
( 35.47)
( 2.54)
1. Maximum resistance factor, ϕ, for tabulated values is 0.65. 2. See Figure 46.
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