Modular Support Systems Technical Guide, Edition 1
3.0 MODULAR SUPPORT SYSTEM 3.2.3 MT SYSTEM CONNECTORS
MT-C-LL1
Description
Wing fitting for assembling channel structures. Material Specifications
Standard 1 Grade 1 F y, ksi( MPa) F u
, ksi( MPa) GB / T 700 Q235 B 34.08( 235) 53.66( 370)
1. Mechanical properties of GB / T 700 Grade Q235 B meet or exceed the mechanical properties of ASTM A1011 SS Grade 33.
Corrosion Protection
Electro-Galvanized( EG)
MT-C-LL1
Hot-Dipped Galvanized( HDG)
MT-C-LL1 OC
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Ordering Information
Description
Weight Per Piece lbs( kg)
Quantity Piece( s)
Item No.
MT-C-LL1 1.75( 0.79) 10 2272047 MT-C-LL1 OC 1.75( 0.79) 10 2272049
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Figure 31- MT Channel Connection
Table 119- Allowable Strength Design( ASD) Load Data 1, 2, 3
F x lb( kN)
F y lb( kN)
F z lb( kN)
1,130 |
170 |
1,130 |
( 5.04) |
( 0.77) |
( 5.04) |
1. Minimum safety factor, Ω, for tabulated values is 2.5. 2. Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design
( LRFD) values. 3. See Figure 31.
Table 120- Limit State Design( LSD) Load Data 1, 2
A. MT-30 / 50 / 60
F x lb( kN)
F y lb( kN)
F z lb( kN)
1,450 |
210 |
1,450 |
( 6.45) |
( 0.95) |
( 6.45) |
1. Maximum resistance factor, Φ, for tabulated values is 0.55. 2. See Figure 31.
2023
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