3.0 MODULAR SUPPORT SYSTEM 3.2.1 MT CONNECTION MECHANISMS MT-TL 3 / 8 " AND 1 / 2 "
Description
Twist lock – for threaded rod to channel connection. MT-TL 3 / 8 and MT-TL 1 / 2 are valid for media fixation only and are not compatible with MT connectors.
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
Corrosion Protection
Electro-Galvanized( EG)
MT-TL 3 / 8 MT-TL 1 / 2
MT-TL 3 / 8 MT-TL 1 / 2
Hot-Dipped Galvanized( HDG)
MT-TL 3 / 8 OC MT-TL 1 / 2 OC
Ordering Information
Description
Weight Per Piece lbs( kg)
Quantity Piece( s)
Item No.
MT-TL 3 / 8 0.07( 0.03) 50 2273636 MT-TL 3 / 8 OC 0.07( 0.03) 50 2273637 MT-TL 1 / 2 0.07( 0.03) 30 2273638 MT-TL 1 / 2 OC 0.07( 0.03) 30 2273639
MT-TL 3 / 8 OC MT-TL 1 / 2 OC
Figure 3- MT-TL with Threaded Rod Connection
Table 63- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4
Description
MT-TL 3 / 8 OC
MT-TL 1 / 2 OC
Tension lb( kN)
Shear lb( kN)
1,125 |
1,010 |
( 5.00) |
( 4.50) |
1,125 |
1,010 |
( 5.00) |
( 4.50) |
1. Minimum safety factor, Ω, for tabulated values is 2.65. 2. Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design
( LRFD) values. 3. Loads are for twist-lock mechanism only. Design professional is responsible for checking threaded rod strength. 4 See Figure 3.
Table 64- Limit State Design( LSD) Load Data 1, 2, 3
Description
MT-TL 3 / 8 OC
MT-TL 1 / 2 OC
Tension lb( kN)
Shear lb( kN)
1,570 |
1,410 |
( 6.96) |
( 6.26) |
1,570 |
1,410 |
( 6.96) |
( 6.26) |
1. Maximum resistance factor, Φ, for tabulated values is 0.55. 2. Loads are for twist-lock mechanism only. Design professional is responsible for checking threaded rod strength. 3. See Figure 3.
2023
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