Eiffel Trading 101: Barrier Wall & Connection Types

Precast Concrete Barrier Wall (PCTB), or temporary barrier wall, work to prevent vehicles from entering work zones or leaving a roadway. These temporary barriers are often used near high-volume construction or roadwork sites, but it’s also highly effective along highways and roadways where guardrail or cable barriers may not be enough protection for drivers traveling at a high speed.

Concrete barrier wall come in several styles/sizes, and with several options for connecting sections together. Keep reading to learn more about a few of the more popular types of connection systems for F-shape, Jersey and more types of concrete barrier walls.

Pin & Loop

Bolts, or pin and loop systems, connect two sections together by sliding a pin through four loops – two on each beam. The loops are designed to sit one on top of the other, for a tighter connection. Some states require different pin types and/or number of loops for permanent and temporary barriers, so check with your state DOT before installation.

J-J Hooks

J-J Hooks are pretty much exactly what they sound like – two identical J-shaped hooks, that slide together when one barrier wall is lowered next to another. The hooks align automatically, reducing risk to workers, who can assist in placing pieces of a barrier wall without putting their hands between two pieces of barrier wall to complete assembly. J-J hook barrier wall sections can be placed in any order – there are no ‘left’ or ‘right’ pieces – and the fact that connections are cast directly into the barrier wall helps reduce lost or stolen hardware.

T-Lok TM

T-Lok barriers have a wide reach – they’re approved in Virginia, Maryland, North Carolina, South Carolina, New Zealand, Australia, and Canada. A section of barrier wall with a T-Lok connection type will have a male end and a female end. The male end has a steel rod in a “T” shape, which slides into the female end, shaped like a “C”. Barrier wall sections must be lowered into place to ensure the ends lock. The connections, like the J-J hook system, are cast directly into the barrier wall.

4-Bolt

Some temporary barriers utilize a 4-bolt connection. This system involves bolting two pieces together at the ends from the outside – this type of connection isn’t cast directly into the barrier wall. Bolted barrier wall will have two steel channel/angle plates on each end, along the sides, that allows a second section to be placed next to the first. Two bolts are installed on each end of the plate, pulling the corners together tightly, similar to stitching fabric.

Buy and Sell Used Barrier Wall with Eiffel Trading

Of course, there are other types of barrier wall connections. Some states require specific joint/connection types. Once you’ve checked the regulations for your area, check out our used barrier wall for sale.

All of our listings are constantly being updated, but if you don’t see what you’re looking for, create a wanted listing for free.

Ready to sell your used heavy equipment or construction material? List your products today for free on Eiffel Trading’s online marketplace.

If you have any questions or would like additional information, please call us at 1-800-541-7998 or email sales@eiffeltrading.com.