Modular Support Systems Technical Guide, Edition 1
3.0 MODULAR SUPPORT SYSTEM 3.2.2 MT BASE CONNECTORS MT-B-O2B
Description
2-hole base plate for back-to-back channel-to-concrete or channel-to-steel( X-BT / S-BT / F-BT compatible).
Material Specifications
Standard 1 Grade 1 F y, ksi( MPa) F u
, ksi( MPa) GB / T 700 Q235 B 34.08( 235) 53.66( 370)
1. Mechanical properties of GB / T 700 Grade Q235 B meet or exceed the mechanical properties of ASTM A1011 SS Grade 33.
Corrosion Protection
Electro-Galvanized( EG)
MT-B-O2B
Hot-Dipped Galvanized( HDG)
MT-B-O2B OC
Ordering Information
Description
Weight Per Piece lbs( kg)
Quantity Piece( s)
Item No.
MT-B-O2B 4.54( 2.06) 6 2282212 MT-B-O2B OC 4.54( 2.06) 6 2282213
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Figure 12- MT Channel Anchoring to Concrete
Table 81- 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)
3,030 |
700 |
3,590 |
600 |
( 13.50) |
( 3.12) |
( 15.98) |
( 0.82) |
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 12. 4. Load values are for base connector only. Design professional is responsible for checking concrete and fastener strength.
Table 82- Limit State Design( LSD) Load Data 1, 2, 3
A. MT-40D
F x lb( kN)
F y lb( kN)
F z lb( kN)
M y lb ft( kN m)
4,095 |
945 |
4,665 |
815 |
( 18.23) |
( 4.21) |
( 20.77) |
( 1.11) |
1. Maximum resistance factor, Φ, for tabulated values is 0.65. 2. See Figure 12. 3. Load values are for base connector only. Design professional is responsible for checking concrete and fastener strength.
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