Modular Support Systems Technical Guide, Edition 1
3.0 MODULAR SUPPORT SYSTEM |
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3.2.4 MT SPLICE CONNECTORS |
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MT-ES-70 OC |
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Description |
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Splice connector for coupling MT-70 or MT-80 girders end-to-end. |
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Material Specifications |
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Standard 1 Grade 1 F y, ksi( MPa) F u
, ksi( MPa)
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GB / T 1591 Q355 B 51.49( 355) 68.17( 470) |
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1. Mechanical properties of GB / T 1591 Grade Q355 B meet or exceed the mechanical properties of ASTM A1011 SS Grade 50. |
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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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