Modular Support Systems Technical Guide, Edition 1
3.0 MODULAR SUPPORT SYSTEM 3.2.3 MT SYSTEM CONNECTORS MT-C-GLP T A OC
Description
Adjustable gusset plate for T-shaped connections with MT-80, MT-90, or MT-100 girders.
Material Specifications
Standard 1 Grade 1 F y, ksi( MPa) F u
, ksi( MPa)
( 3-9 / 16“) 90
GB / T 1591 Q355 B 51.49( 355) 68.17( 470)
1. Mechanical properties of GB / T 1591 Grade Q355 B meet or exceed the mechanical properties of ASTM A1011 SS Grade 50.
Corrosion Protection
Hot-Dipped Galvanized( HDG)
( 3 / 16“) 4
( 7 / 16“ x1-1 / 4“) 11x31
( 5 / 16“) ∅8
285
( 11-1 / 4“)
MT-C-GLP T A OC
Ordering Information
160
( 6-5 / 16“)
mm( in)
Description |
Weight Per Piece lbs( kg) |
Quantity Piece( s) |
Item No. |
MT-C-GLP T A OC 2.14( 0.97) 8 2332784
Figure 53- MT Girder Connection
Table 163- 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) |
14,685 |
960 |
5,485 |
1,865 |
1,320 |
( 65.33) |
( 4.28) |
( 24.42) |
( 2.53) |
( 1.79) |
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 53.
Table 164- Limit State Design( LSD) Load Data 1, 2, 3
A. MT-80( long side)/ 90 / 100( 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)
22,070 |
1,445 |
7,245 |
2,800 |
1,865 |
( 98.19) |
( 6.43) |
( 32.24) |
( 3.80) |
( 2.53) |
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 53.
Figure 54- MT Girder Connection
Table 165- 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) |
16,820 |
3,390 |
7,625 |
2,950 |
2,565 |
( 74.83) |
( 15.10) |
( 33.92) |
( 4.00) |
( 3.48) |
1. Minimum safety factor, Ω, for tabulated values is 2.4. 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 54.
Table 166- Limit State Design( LSD) Load Data 1, 2, 3
F x lb( kN) |
F y lb( kN) |
F z lb( kN) |
M y ft lb( kN m) |
M z ft lb( kN m) |
23,870 |
4,815 |
9,910 |
4,180 |
3,580 |
( 106.22) |
( 21.43) |
( 44.10) |
( 5.67) |
( 4.86) |
A. MT-80( long side)/ 90 / 100( long side)
1. Maximum resistance factor, ϕ, for tabulated values is 0.6. 2. Tabulated values are based on plates being installed in pairs. 3. See Figure 54.
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