Product Technical Guides : CA-EN Modular Systems Product Technical Guide | Page 64

Modular Support Systems Technical Guide, Edition 1
3.0 MODULAR SUPPORT SYSTEM
3.2.2 MT BASE CONNECTORS
MT-B-GXL O4 OC
Description
4-hole base plate for MT-100 girder structures 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-GXL O4 OC
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Ordering Information
Description
Weight Per Piece lbs( kg)
Quantity Piece( s)
Item No.
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MT-B-GXL O4 OC 30.86( 14) 1 2272104
mm( in)
Figure 17- MT Girder Anchoring to Concrete
Table 91- 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)
32,340
19,470
20,750
13,050
8,640
( 143.9)
( 86.63)
( 92.32)
( 17.70)
( 11.72)
1. Minimum safety factor, Ω, for tabulated values is 2.0. 2. Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design
( LRFD) values. 3. See Figure 17. 4. Load values are for base connector only. Design professional is responsible for checking concrete and fastener strength.
Table 92- Limit State Design( LSD) Load Data 1, 2, 3
A. MT-100
F x lb( kN)
F y lb( kN)
F z lb( kN)
M y lb ft( kN m)
M z lb ft( kN m)
45,860
27,580
29,380
16,980
11,240
( 204.0)
( 122.7)
( 130.7)
( 23.02)
( 15.24)
1. Maximum resistance factor, Φ, for tabulated values is 0.70. 2. See Figure 17. 3. Load values are for base connector only. Design professional is responsible for checking concrete and fastener strength.
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