Modular Supports System Product Technical Guide June 2026 | Page 130

Modular Support Systems Technical Guide, Edition 2
3.0 Modular Support System
3.2.3 MT System Connectors
MT-C-LDP L1 OC
Description
Angle connector for channel-to-LDP or MT-70-to-LDP connections. Can also be used for channel-to-channel or channel-to-girder connections. mm( in)
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 Environmental Conditions MT-C-LDP L1 OC Outdoor, low to moderate pollution( C3 / C4- low)
Ordering Information
Description
Weight Per
Piece, lbs( kg)
Quantity
Piece( s)
Item No.
MT-C-LDP L1 OC
0.45( 0.21)
8
2320180
mm( in)
Figure 77 – MT Channel Connection
Table 256- Allowable Strength Design( ASD) Load Data 1, 2, 3
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
685( 3.06)
380( 1.71)
450( 2.02)
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 77.
Table 257- Limit State Design( LSD) Load Data 1, 2
A. MT-30 / 50 / 60
Fx
Fy
lb( kN)
lb( kN)
lb( kN)
990
610
650
( 4.41)
( 2.77)
( 2.91)
1 Maximum resistance factor, φ, for tabulated values is 0.81.
2 See Figure 77.
Fz
Figure 78 – MT Girder Connection
Table 258- Allowable Strength Design( ASD) Load Data 1, 2, 3
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
705( 3.15)
605( 2.70)
1,645( 7.33)
1 Minimum safety factor, Ω, for tabulated values is 2.0.
2 Multiply tabulated values by 1.5 to obtain minimum LRFD values.
3 See Figure 78.
Table 259- Limit State Design( LSD) Load Data 1, 2
A. MT-70 / 80( short side)
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
1,080( 4.82)
925( 4.13)
2,100( 9.35)
1 Maximum resistance factor, φ, for tabulated values is 0.8.
2 See Figure 78.
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