MT 2.5 Tech Supplement Guide
2.0
. MT COMPONENTS
2.1 . MT BASE CONNECTORS
MT-B-O2B 60D
Description
2-hole base plate for MT-60D back-to-back channel-toconcrete or channel-to-steel connection ( X-BT / S-BT / F-BT compatible ).
Material Specifications
Standard 1 |
Grade 1 |
F y , ksi ( MPa ) |
F u , ksi ( MPa ) |
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
Electro-Galvanized ( EG ) |
Hot-Dipped Galvanized ( HDG ) |
MT-B-O2B 60D |
MT-B-O2B 60D OC |
Ordering Information
Description |
Weight Per Piece lbs ( kg ) |
Quantity
Piece ( s )
|
Item No . |
MT-B-O2B 60D |
5.68 ( 2.575 ) |
6 |
2358236 |
MT-B-O2B 60D OC |
5.68 ( 2.575 ) |
6 |
2358237 |
Figure 1 . MT 60D Connection
Table 38 . Allowable Strength Design ( ASD ) Load
Data 1 , 2 , 3 , 4
F x |
F y |
F z |
M y |
lb ( kN ) |
lb ( kN ) |
lb ( kN ) |
lb ft ( kN m ) |
3,875 ( 17.24 ) |
1,310 ( 5.83 ) |
4,325 ( 19.24 ) |
1,060 ( 1.44 ) |
1 Minimum safety factor , Ω , for tabulated values is 1.97 . 2 Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design ( LRFD ) values . 3 Tabulated values are for base connector only . Design professional is responsible for checking concrete and
fastener strength . 4 See Figure 1
Table 39 . Limit State Design ( LSD ) Load Data 1 , 2 , 3
F x |
F y |
F z |
M y |
lb ( kN ) |
lb ( kN ) |
lb ( kN ) |
lb ft ( kN m ) |
5,660 ( 25.17 ) |
1,970 ( 8.76 ) |
5,695 ( 25.33 ) |
1,455 ( 1.97 ) |
1 Maximum resistance factor , ϕ , for tabulated values is 0.65 . 2 Tabulated values are for base connector only . Design professional is responsible for checking
concrete and fastener strength . 3 See Figure 1
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