Modular Supports System Product Technical Guide June 2026

Modular Support Systems Technical Guide, Edition 2

3.0 Modular Support System

3.2.3 MT System Connectors

MT-C-GLP T A OC

Description

T-shaped adjustable angle gusset plate connector for MT-80, MT-90H, MT-90 and MT-100 girders.

Material Specifications

Description	Standard	Grade	F y, ksi ( MPa)	F u, ksi ( MPa)
MT-C-GLP T A OC	( GB / T 1591)	( Q355 B)	51.49 ( 355)	68.17 ( 470)
MT-C-GLP T A US OC	ASTM A1011 1 HSLAS-F Grade 50 MOD 1		51.49 ( 355)	68.17 ( 470)
1 ASTM A1011 HSLAS Grade 50 MOD is an enhanced version of ASTM A1011 HSLAS
Grade 50 with Fu >= 470MPa and Fy >= 355MPa.

Corrosion Protection
Description	Environmental Conditions
MT-C-GLP T A OC	Outdoor, low to moderate pollution( C3 / C4- low)
MT-C-GLP T A US OC	Outdoor, low to moderate pollution( C3 / C4- low)

mm( in)

MT-C-GLP T A US OC 2.14( 0.97) 8 2487449 mm( in)

Figure 72 – MT Girder Connection

A. MT-80( long side)/ 90 / 100( long side)

Figure 73 – MT Girder Connection

Table 246- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4

Fx lb( kN)	Fy lb( kN)	Fz lb( kN)	My lb ft( kN m)	Mz lb ft( kN m)
14,685( 65.33)	960( 4.28)	5,490( 24.42)	1,865( 2.53)	1,320( 1.79)
1 Minimum safety factor, Ω, for tabulated values is 2.2.
2 Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design( LRFD) values.
3 See Figure 72.
4 Tabulated values are based on plates being installed in pairs.

Table 247- Limit State Design( LSD) Load Data 1, 2, 3

Fx Fy

lb( kN)	lb( kN)	lb( kN)	lb ft( kN m)
22,070	1,445	7,245	2,800
( 98.19)	( 6.43)	( 32.24)	( 3.80)
1 Maximum resistance factor, φ, for tabulated values is 0.7.
2 See Figure 72.
3 Tabulated values are based on plates being installed in pairs.

Table 248- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4

Fx Fy

lb( kN)	lb( kN)	lb( kN)	lb ft( kN m)
17,240	4,355	14,100	3,945
( 76.68)	( 19.37)	( 62.71)	( 5.34)
1 Minimum safety factor, Ω, for tabulated values is 2.72.
2 Multiply tabulated values by 1.5 to obtain minimum LRFD values.
3 See Figure 73.
4 Tabulated values are based on plates being installed in pairs.
Table 249- Limit State Design( LSD) Load Data 1, 2, 3

Mz lb ft( kN m) 1,865( 2.53)

Mz lb ft( kN m)

3,050( 4.13)

A. MT-80( long side)/ 90 / 100( long side)

Fx Fy

lb( kN)	lb( kN)	lb( kN)	lb ft( kN m)
25,910	6,540	21,190	5,930
( 115.25)	( 29.11)	( 94.25)	( 8.04)
1 Maximum resistance factor, φ, for tabulated values is 0.55.
2 See Figure 73.
3 Tabulated values are based on plates being installed in pairs.

Fz My

Mz lb ft( kN m) 4,215( 5.71)

Modular Supports System Product Technical Guide June 2026 | Page 127