Modular Support Systems Technical Guide, Edition 1
3.0 MODULAR SUPPORT SYSTEM |
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3.2.3 MT SYSTEM CONNECTORS |
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MT-C-GSP T OC |
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Description |
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Gusset plate for T-shaped connections with MT-70 and MT-80 girders. |
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Material Specifications |
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Standard 1 Grade 1 F y, ksi( MPa) F u
, ksi( MPa)
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GB / T 1591 Q355 B 51.49( 355) 68.17( 470) |
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1. Mechanical properties of GB / T 1591 Grade Q355 B meet or exceed the mechanical properties of ASTM A1011 SS Grade 50. |
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Corrosion Protection
Hot-Dipped Galvanized( HDG)
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MT-C-GSP T OC |
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Ordering Information
Description
Weight Per Piece lbs( kg)
Quantity Piece( s)
Item No.
MT-C-GSP T OC 0.95( 0.43) 10 2272074
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mm( in) |
Figure 48- MT Girder Connection
Table 153- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4
F x lb( kN)
F y lb( kN)
F z lb( kN)
M y ft lb( kN m)
M z ft lb( kN m)
10,250 |
1,300 |
1,575 |
600 |
280 |
( 45.60) |
( 5.80) |
( 7.01) |
( 0.82) |
( 0.38) |
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. Tabulated values are based on plates being installed in pairs. 4. See Figure 48.
Table 154- Limit State Design( LSD) Load Data 1, 2, 3
A. MT-70 B. MT-70 / 80( long side)
F x lb( kN)
F y lb( kN)
F z lb( kN)
M y ft lb( kN m)
M z ft lb( kN m)
13,375 |
1,955 |
2,365 |
855 |
420 |
( 59.50) |
( 8.71) |
( 10.54) |
( 1.16) |
( 0.57) |
1. Maximum resistance factor, ϕ, for tabulated values is 0.65. 2. Tabulated values are based on plates being installed in pairs. 3. See Figure 48.
Figure 49- MT Girder Connection
Table 155- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4
F x lb( kN)
F y lb( kN)
F z lb( kN)
M y ft lb( kN m)
M z ft lb( kN m)
9,440 |
1,660 |
3,170 |
905 |
530 |
( 42.00) |
( 7.39) |
( 14.11) |
( 1.23) |
( 0.72) |
1. Minimum safety factor, Ω, for tabulated values is 2.0. 2. Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design
( LRFD) values. 3. Tabulated values are based on plates being installed in pairs. 4. See Figure 49.
Table 156- Limit State Design( LSD) Load Data 1, 2, 3
A. MT-70 B. MT-70 / 80( long side)
2023
F x lb( kN)
F y lb( kN)
F z lb( kN)
M y ft lb( kN m)
M z ft lb( kN m)
13,400 |
2,495 |
4,415 |
1,280 |
800 |
( 59.62) |
( 11.10) |
( 19.64) |
( 1.74) |
( 1.09) |
1. Maximum resistance factor, ϕ, for tabulated values is 0.7. 2. Tabulated values are based on plates being installed in pairs. 3. See Figure 49.
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