Many vehicle barriers use things like water containment to slow and stop vehicles. Those barriers do not move like a swing gate, sliding gate, or rotating gate. What are some of the effective ways to stop a vehicle using a movable barrier?
Most measures to stop vehicles use a (somewhat) controlled conversion of motion energy into deformation. I expect, this is very difficult for movable barriers. The first part of the barrier that would be deformed and destroyed would be the mechanical part.
I imagine, a solution could be a movable barrier including crash cushions that are moved into place and locked to the ground. Then, the moving mechanism could be de-coupled from the crash cushion.
Movable barrier could be PLASTIC, WATER and water FILLED combinations,
Existing highway guardrail end treatment systems include: the breakaway cable terminal (BCT), the eccentric loader terminal (ELT), the modified eccentric loader terminal (MELT), the vehicle attenuating terminal (VAT), the extruder terminal (ET 2000 and ET plus), the slotted rail terminal (SRT), the sequential kinking terminal (SKT) and the flared energy absorbing terminal (FLEAT) etc.
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