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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