3.0 MODULAR SUPPORT SYSTEM 3.2.1 MT CONNECTION MECHANISMS
MT-TFB OC
Description
Thread forming bolt for MT-70, MT-80, MT-90, and MT-100 connection. Thread forming bolt is fastened using the TX-50 or an 11 / 16 " diameter socket.
Approvals / Listings
City of Los Angeles City of Los Angeles 2020 LABC LARR 26181
European Technical Assessment ETA-21 / 1017
Modular Support Systems Technical Guide, Edition 1
Material Specifications ����
F y
, ksi( MPa) F u
, ksi( MPa) 136.34( 940) 150.84( 1,040)
Corrosion Protection
Multi-layer coating
MT-TFB OC
��
��“) mm( in)
Ordering Information
Description
Weight Per Piece lbs( kg)
Quantity Piece( s)
Item No. MT-TFB OC 0.07( 0.03) 250 2272084
Figure 1- MT Connection
Table 59- Allowable Strength Design( ASD) Load Data 1, 2, 3
Tension lb( kN)
Shear lb( kN)
1,650 |
2,550 |
( 7.33) |
( 11.33) |
1. Minimum safety factor, Ω, for tabulated values is 2.3. 2. Multiply tabulated values by 1.5 to obtain minimum Load and Resistance factor Design( LRFD) values. 3. See Figure 1.
Table 60- Limit State Design( LSD) Load Data 1, 2
Tension lb( kN)
Shear lb( kN)
2,140 |
3,310 |
( 9.53) |
( 14.73) |
1. Maximum resistance factor, Φ, for tabulated values is 0.6. 2. See Figure 1.
2023
50