Product Technical Guides : CA-EN Modular Systems Product Technical Guide | Página 100

Modular Support Systems Technical Guide, Edition 1
3.0 MODULAR SUPPORT SYSTEM
3.2.4 MT SPLICE CONNECTORS
MT-ES-70 OC
Description
Splice connector for coupling MT-70 or MT-80 girders end-to-end.
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
Hot-Dipped Galvanized( HDG)
MT-ES-70 OC
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Ordering Information
Description
Weight Per Piece lbs( kg)
Quantity Piece( s)
Item No. MT-ES-70 OC 4.03( 1.83) 4 2272078
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mm( in)
Figure 65- MT Splice Connection
Table 187- Allowable Strength Design( ASD) Load Data 1, 2, 3
F x lb( kN)
F y lb( kN)
F z lb( kN)
10,180
1,100
1,795
( 45.30)
( 4.90)
( 8.00)
1. Minimum safety factor, Ω, for tabulated values is 2.05. 2. Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design
( LRFD) values. 3. See Figure 65.
Table 188- Limit State Design( LSD) Load Data 1, 2
A. MT-70
F x lb( kN)
F y lb( kN)
F z lb( kN)
13,240
1,435
2,335
( 58.90)
( 6.40)
( 10.40)
1. Maximum resistance factor, ϕ, for tabulated values is 0.75. 2. See Figure 65.
Figure 66- MT Splice Connection
Table 189- Allowable Strength Design( ASD) Load Data 1, 2, 3
F x lb( kN)
F y lb( kN)
F z lb( kN)
M y ft lb( kN m)
20,360
2,200
3,595
3,340
( 90.60)
( 9.80)
( 16.00)
( 4.53)
1. Minimum safety factor, Ω, for tabulated values is 2.3. 2. Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design
( LRFD) values. 3. See Figure 66.
Table 190- Limit State Design( LSD) Load Data 1, 2
A. MT-80( long side)
F x lb( kN)
F y lb( kN)
F z lb( kN)
M y ft lb( kN m)
26,480
2,875
4,675
4,340
( 117.80)
( 12.80)
( 20.80)
( 5.89)
1. Maximum resistance factor, ϕ, for tabulated values is 0.6. 2. See Figure 66.
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