Modular Support Systems Technical Guide, Edition 2
3.0 Modular Support System
3.2.5 MT Angle Braces and Fittings
MT-B-GL AB OC
Description
Adjustable angle brace base for MT-90 or MT-100 girder to MT, concrete, or steel( X-BT / S-BT / F-BT).
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-B-GL AB OC Outdoor, low to moderate pollution( C3 / C4- low)
Ordering Information |
Description |
Weight Per
Piece, lbs( kg)
|
Quantity
Piece( s)
|
Item No. |
MT-B-GL AB OC |
5.20( 2.36) |
6 |
2353811 |
mm( in)
Figure 96 – MT Girder-to-Concrete
Table 294- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4
Fr lb( kN) 5,035( 22.40)
1 Minimum safety factor, Ω, for tabulated values is 2.5. 2 Multiply tabulated values by 1.5 to obtain minimum Load and
Resistance Factor Design( LRFD) values. 3 Load values are for base connector only. Design professional is responsible for checking concrete and fastener strength. 4 See Figure 96.
Table 295- Limit State Design( LSD) Load Data 1, 2, 3
A. MT-90 / 100( long side)
Figure 97 – MT Girder-to-Girder
Fr lb( kN) 7,125( 31.70)
1 Maximum resistance factor, φ, for tabulated values is 0.6.
2 Load values are for base connector only. Design professional is responsible for checking concrete and fastener strength.
3 See Figure 96.
Table 296- Allowable Strength Design( ASD) Load Data 1, 2, 3
Fr lb( kN) 3,145( 14.00)
1 Minimum safety factor, Ω, for tabulated values is 2.2. 2 Multiply tabulated values by 1.5 to obtain minimum LRFD values. 3 See Figure 97.
Table 297- Limit State Design( LSD) Load Data 1, 2
Fr lb( kN) 4,450( 19.80)
1 Maximum resistance factor, φ, for tabulated values is 0.65.
2 See Figure 97.
A. MT-90 / 100( long side)
141