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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