Patent ID: 6276667
Filing Date: 2001-08-21
Classification: E01F

Abstract:
An energy dissipating system in combination with an elongated concrete roadway barrier wall having a side surface for extending parallel to a roadway, and effective to reduce accidents and damage to motor vehicles moving on the roadway, said system comprising an elongated and generally vertical flexible sheet of plastics material having substantial thickness and overlying said side surface, said sheet including a longitudinally extending upper portion and a longitudinally extending lower portion integrally connected by an intermediate portion, a series of longitudinally and generally horizontally spaced fasteners securing each of said upper and lower portions of said sheet to said side surface of said barrier wall, said intermediate portion of said sheet is spaced from said side surface of said barrier wall to defining a longitudinally and generally horizontally extending cavity between said sheet and said side surface, and at least one elongated and resilient tube of flexible plastics material extending longitudinally within said cavity.