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.
2023
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