3.0 MODULAR SUPPORT SYSTEM 3.2.8 MT CLAMPS AND CHANNEL TIES MT-CC-40D
Description
Clamp for channel-to-channel or channel-to-girder connections . 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 )
Modular Support Systems Technical Guide , Edition 1
MT-CC-40D
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Hot-Dipped Galvanized ( HDG )
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MT-CC-40D OC
Ordering Information
Description
Weight Per Piece lbs ( kg )
Quantity Piece ( s )
Item No .
MT-CC-40D 1.02 ( 0.47 ) 10 2322398 MT-CC-40D OC 1.02 ( 0.47 ) 10 2322399
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mm ( in )
Figure 88 - Channel-to-Channel Connection Table 225 - Allowable Strength Design ( ASD ) Load Data 1 , 2 , 3 , 4
A . MT-40D B . MT-30 / 50 / 60 / 40D
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 88 . 4 . Loading in the negative Z-direction is not recommended for this connector .
Table 226 - 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 88 . 3 . Loading in the negative Z-direction is not recommended for this connector .
Figure 89 - Channel-to-Girder Connection Table 227 - Allowable Strength Design ( ASD ) Load Data 1 , 2 , 3 , 4
A . MT-40D B . MT-70 / 80 / 90 / 100
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 89 . 4 . Loading in the negative Z-direction is not recommended for this connector .
Table 228 - Limit State Design ( LSD ) Load Data 1 , 2 , 3
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 89 . 3 . Loading in the negative Z-direction is not recommended for this connector .
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