Advanced dynamic impact extension module

Details Advanced dynamic impact extension module Advanced dynamic impact extension module

E - Fixed Constructions

01

F

91/3

E01F 15/00 (2006.01) E01F 15/14 (2006.01)

Patent

CA 2007867

An advanced dynamic impact extension module, used to protect occupants of vehicles from the adverse effects of extremely rapid deceleration of a vehicle when the vehicle impacts an end of a concrete barrier wall is disclosed. A barrier wall is provided which has a structural concrete base and channel portion adaptable to receive low strength reinforced concrete modules. The concrete modules are composed of three layers of crushable material of varying strengths. The first or lowest layer is composed of semi-crushable, higher strength concrete adaptable to secure reinforcement and S-beam connectors. The second layer is lower strength material and the top layer is intermediate strength material. The modules are arranged linearly beginning at a front end closest to the path of an oncoming vehicle and proceeding toward a back end proximate a roadside obstacle. An impacting vehicle will crush the modules in succeeding fashion according to its impact velocity.

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