3.0 MODULAR SUPPORT SYSTEM 3.2.8 MT CLAMPS AND CHANNEL TIES MT-CC-30
Description
Clamp for channel-to-channel or channel-to-girder connections.
Modular Support Systems Technical Guide, Edition 1
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-CC-30
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Ordering Information
Description
Weight Per Piece lbs( kg)
Quantity Piece( s)
Item No.
MT-CC-30 0.60( 0.27) 10 2322427
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mm( in)
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Figure 84- Channel-to-Channel Connection
Table 217- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4
F x lb( kN)
F y lb( kN)
F z lb( kN)
1,010 |
1,685 |
1,120 |
( 4.50) |
( 7.50) |
( 5.00) |
1. Minimum safety factor, Ω, for tabulated values is 2.6. 2. Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design
( LRFD) values. 3. See Figure 84. 4. Loading in the negative Z-direction is not recommended for this connector.
A. MT-30 B. MT-30 / 50 / 60
Table 218- Limit State Design( LSD) Load Data 1, 2, 3
F x lb( kN)
F y lb( kN)
F z lb( kN)
1,405 |
2,345 |
1,560 |
( 6.26) |
( 10.44) |
( 6.96) |
1. Maximum resistance factor, ϕ, for tabulated values is 0.55. 2. See Figure 84. 3. Loading in the negative Z-direction is not recommended for this connector.
Figure 85- Channel-to-Girder Connection
Table 219- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4
F x lb( kN)
F y lb( kN)
F z lb( kN)
1,010 |
2,035 |
1,645 |
( 4.50) |
( 9.06) |
( 7.33) |
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. See Figure 85. 4. Loading in the negative Z-direction is not recommended for this connector.
Table 220- Limit State Design( LSD) Load Data 1, 2, 3
A. MT-30 B. MT-70 / 80 / 90 / 100
F x lb( kN)
F y lb( kN)
F z lb( kN)
1,405 |
2,645 |
2,140 |
( 6.26) |
( 11.78) |
( 9.53) |
1. Maximum resistance factor, ϕ, for tabulated values is 0.55. 2. See Figure 85. 3. Loading in the negative Z-direction is not recommended for this connector.
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