3.0 MODULAR SUPPORT SYSTEM 3.2.8 MT CLAMPS AND CHANNEL TIES MT-CC-40 / 50
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 ) |
Modular Support Systems Technical Guide , Edition 1
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-40 / 50
Hot-Dipped Galvanized ( HDG )
MT-CC-40 / 50 OC
Ordering Information
Description
Weight Per Piece lbs ( kg )
Quantity Piece ( s )
Figure 86 - Channel-to-Channel Connection
Item No .
MT-CC-40 / 50 0.70 ( 0.32 ) 20 2322429 MT-CC-40 / 50 OC 0.70 ( 0.32 ) 20 2322391
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Table 221 - Allowable Strength Design ( ASD ) Load Data 1 , 2 , 3 , 4
A . MT-50 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 86 . 4 . Loading in the negative Z-direction is not recommended for this connector .
Table 222 - 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 86 . 3 . Loading in the negative Z-direction is not recommended for this connector .
Figure 87 - Channel-to-Girder Connection Table 223 - Allowable Strength Design ( ASD ) Load Data 1 , 2 , 3 , 4
A . MT-50 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 87 . 4 . Loading in the negative Z-direction is not recommended for this connector .
Table 224 - 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 87 . 3 . Loading in the negative Z-direction is not recommended for this connector .
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