3.0 MODULAR SUPPORT SYSTEM
Modular Support Systems Technical Guide , Edition 1
3.2.10 MT THREADED ROD CONNECTORS AND PIPE SADDLES
MT-CTR-GS OC
Description
Threaded rod hanging connector for MT-70 and MT-80 ( short side ) girders .
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 .
( 3 / 16 “) 4
17 x 29.5
( 11 / 16 “ x 1-3 / 16 “)
Corrosion Protection
Hot-Dipped Galvanized ( HDG )
∅11
( 7 / 16 “)
86.7
( 3-7 / 16 “)
MT-CTR-GS 1 / 2 OC MT-CTR-GS 5 / 8 OC
Ordering Information
51
( 2 “)
58.5
( 2-5 / 16 “)
mm ( in )
Description
Weight Per Piece lbs ( kg )
Quantity Piece ( s )
Item No .
MT-CTR-GS 1 / 2 OC 1.02 ( 0.46 ) 16 2332791 MT-CTR-GS 5 / 8 OC 1.11 ( 0.50 ) 16 2332792
Figure 105 - MT Channel-to-Channel Connection
Table 259 - Allowable Strength Design ( ASD ) Load Data 1 , 2 , 3
F z lb ( kN )
2,470 ( 11.00 )
1 . Minimum safety factor , Ω , for tabulated values is 3.6 . 2 . Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design
( LRFD ) values . 3 . See Figure 105 .
Table 260 - Limit State Design ( LSD ) Load Data 1 , 2
A . MT-70 / 80 ( short side )
F z lb ( kN )
3,955 ( 17.60 )
1 . Maximum resistance factor , ϕ , for tabulated values is 0.45 . 2 . See Figure 105 .
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