Product Technical Guides : CA-EN Modular Systems Product Technical Guide | страница 62

Modular Support Systems Technical Guide, Edition 1
3.0 MODULAR SUPPORT SYSTEM
3.2.2 MT BASE CONNECTORS
MT-B-GS O4U OC
Description
4-hole base plate for MT-70 and MT-80 girder to concrete.
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-B-GS O4U OC
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Ordering Information
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Description
Weight Per Piece lbs( kg)
Quantity Piece( s)
Item No.
MT-B-GS O4U OC 10.36( 4.7) 4 2272101
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Figure 15- MT Girder Anchoring to Concrete
Table 87- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4
F x lb( kN)
F y lb( kN)
F z lb( kN)
M y lb ft( kN m)
M z lb ft( kN m)
12,115
2,610
3,005
1,010
830
( 53.89)
( 11.62)
( 13.38)
( 1.37)
( 1.13)
1. Minimum safety factor, Ω, for tabulated values is 2.5. 2. Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design
( LRFD) values. 3. See Figure 15. 4. Load values are for base connector only. Design professional is responsible for checking concrete and fastener strength.
Table 88- Limit State Design( LSD) Load Data 1, 2, 3
A. MT-70 / 80
F x lb( kN)
F y lb( kN)
F z lb( kN)
M y lb ft( kN m)
M z lb ft( kN m)
15,750
3,395
3,910
1,435
1,080
( 70.06)
( 15.11)
( 17.40)
( 1.95)
( 1.47)
1. Maximum resistance factor, Φ, for tabulated values is 0.6. 2. See Figure 15. 3. Load values are for base connector only. Design professional is responsible for checking concrete and fastener strength.
2023
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