Modular Support Systems Technical Guide, Edition 2
3.0 Modular Support System
3.2.2 MT Base Connectors
MT-B-L FL / MT-B-L FL OC
Description
1-hole base plate preassembled with a Fast-Lock connection mechanism for 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
Description
MT-B-L FL
Environmental Conditions
Dry indoor conditions( C1) Indoor with temporary condensation( C2)
MT-B-L FL OC Outdoor, low to moderate pollution( C3 / C4- low)
Ordering Information |
Description |
Weight Per
Piece, lbs( kg)
|
Quantity
Piece( s)
|
Item No. |
MT-B-L FL |
0.27( 0.12) |
18 |
2399665 |
MT-B-L FL OC 0.27( 0.12) 18 2399677
mm( in)
Figure 11 – MT Channel Anchoring to Concrete
Table 124- Allowable Strength Design( ASD) Load Data 1, 2, 3
Fx Fz lb( kN) lb( kN)
975 975
( 4.35)
( 4.35) 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 11.
Table 125- Limit State Design( LSD) Load Data 1, 2
Fx Fz lb( kN) lb( kN)
1,290 1,290
( 5.74)
( 5.74) 1 Maximum resistance factor, φ, for tabulated values is 0.57.
2 See Figure 11.
A. MT-30 / 30D / 40D / 50 / 50U / 50D / 50DU / 60 / 60D
77