Modular Supports System Product Technical Guide June 2026 | Page 125

Modular Support Systems Technical Guide, Edition 2
3.0 Modular Support System
3.2.3 MT System Connectors
MT-C-GLP T OC
Description
T-shaped angle gusset plate connector for MT-80, MT- 90H, MT-90 and MT-100 girders.
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
Description
Environmental Conditions MT-C-GLP T OC Outdoor, low to moderate pollution( C3 / C4- low)
Ordering Information
Description
Weight Per
Piece, lbs( kg)
Quantity
Piece( s)
Item No.
MT-C-GLP T OC
4.03( 0.93)
8
2272075
mm( in)
Figure 69 – MT Girder Connection
Table 240- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4
Fx Fy
lb( kN)
lb( kN)
lb( kN)
lb ft( kN m)
lb ft( kN m)
19,245
1,875
5,550
2,390
795
( 85.60)
( 8.33)
( 24.68)
( 3.24)
( 1.08)
1 Safety Factor( Ω) used for ASD is 2.05.
2 Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design
( LRFD) values.
3 See Figure 69.
4 Tabulated values are based on plates being installed in pairs.
Table 241- Limit State Design( LSD) Load Data 1, 2, 3
Fz Mx
My
A. MT-80( long side)/ 90 / 100( long side)
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
Mx lb ft( kN m)
26,480
2,810
7,325
3,385
( 117.80)
( 12.52)
( 32.60)
( 4.59)
1 Resistance Factor( φ) used for LSD is 0.7.
2 See Figure 69.
3 Tabulated values are based on plates being installed in pairs.
My lb ft( kN m) 1,200( 1.63)
Figure 70 – MT Girder Connection Table 242- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4
A. MT-80( long side)/ 90 / 100( long side)
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
Mx lb ft( kN m)
15,560
4,045
9,450
2,830
( 69.22)
( 18.01)
( 42.04)
( 3.84)
1 Safety Factor( Ω) used for ASD is 2.05.
2 Multiply tabulated values by 1.5 to obtain minimum LRFD values.
3 See Figure 70.
4 Tabulated values are based on plates being installed in pairs.
Table 243- Limit State Design( LSD) Load Data 1, 2, 3
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
Mx lb ft( kN m)
23,385
6,085
14,010
4,015
( 104.04)
( 27.07)
( 62.34)
( 5.45)
1 Resistance Factor( φ) used for LSD is 0.7.
2 See Figure 70.
3 Tabulated values are based on plates being installed in pairs.
My lb ft( kN m)
2,245( 3.05)
My lb ft( kN m) 2,920( 3.96)
124 Modular Support Systems Technical Guide Edition 2 | Installation Systems Hilti, Inc. 1-800-879-8000 | en español 1-800-879-5000 | www. hilti. com | Hilti( Canada) Corporation | 1-800-363-4458 | www. hilti. ca