Modular Support Systems Technical Guide, Edition 2
3.0 Modular Support System
3.2.3 MT System Connectors
MT-C-GL HA OC
Description
Angle connector for MT-90H, MT-90 and MT-100 girders. Used as base for attachment to concrete or steel( X-BT / S- BT / F-BT compatible).
Material Specifications
Description |
Standard |
Grade |
F y, ksi
( MPa)
|
MT-C-GL A OC |
( GB / T 1591) |
( Q355 B) |
51.49
( 355)
|
|
MT-C-GL A US OC ASTM A1011 1
HSLAS-F
Grade 50 MOD 1
|
51.49
( 355)
|
F u, ksi( MPa) 68.17( 470) 68.17( 470)
1 ASTM A1011 HSLAS Grade 50 MOD is an enhanced version of ASTM A1011 HSLAS Grade 50 with Fu >= 355MPa and Fy >= 470MPa.
Corrosion Protection
Description
Environmental Conditions MT-C-GL HA OC Outdoor, low to moderate pollution( C3 / C4- low)
MT-C-GL HA US OC Outdoor, low to moderate pollution( C3 / C4- low)
Ordering Information
Description
Weight Per Piece, lbs( kg)
Quantity Piece( s)
Item No. MT-C-GL HA OC 2.71( 1.23) 10 2430759 MT-C-GL HA US OC 2.71( 1.23) 10 2487861
mm( in)
Figure 62 – MT Single Angle Connection Table 226- Allowable Strength Design( ASD) Load Data 1, 2, 3
A. MT-90H
Fx Fy
lb( kN) |
lb( kN) |
lb( kN) |
2,290 |
595 |
1,180 |
( 10.2) |
( 2.66) |
( 5.26) |
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 62. |
Table 227- Limit State Design( LSD) Load Data 1, 2 |
Fx lb( kN) |
Fy lb( kN) |
Fz lb( kN) |
3,235( 14.4) |
895( 3.98) |
1,675( 7.46) |
1 Maximum Resistance Factor φ, for tabulated values is 0.75. |
2 See Figure 62. |
Fz
Figure 63 – MT Double Angle Connection
Table 228- Allowable Strength Design( ASD) Load Data 1, 2, 3
|
|
|
Fx
Fy
lb( kN) |
lb( kN) |
lb( kN) |
lb ft( kN m) |
3,260 |
2,050 |
4,425 |
1,395 |
( 14.5) |
( 9.13) |
( 19.7) |
( 1.89) |
1 Minimum Safety Factor Ω, for tabulated values is 2.02. |
2 Multiply tabulated values by 1.5 to obtain minimum LRFD values. |
3 See Figure 63. |
Table 229- Limit State Design( LSD) Load Data 1, 2 |
Fz
My
|
A |
|
|
|
A. |
MT-90H |
Fx lb( kN) |
Fy lb( kN) |
Fz lb( kN) |
My lb ft( kN m) |
4,630( 20.6) |
2,515( 11.2) |
5,395( 24.0) |
1,975( 2.68) |
1 Maximum Resistance Factor φ, for tabulated values is 0.70. |
2 See Figure 63. |
|
119