Dynamic and Quasi-Static Grade Crossing Collision Tests
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2009-03-02
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NTL Classification:NTL-SAFETY AND SECURITY-Rail Safety ; NTL-RAIL TRANSPORTATION-Rail Safety ; NTL-RAIL TRANSPORTATION-Railroad Highway Grade Crossings ;
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Abstract:To support the development of a proposed rule [1], a fullscale dynamic test and two full-scale quasi-static tests have been performed on the posts of a state-of-the-art (SOA) end frame. These tests were designed to evaluate the dynamic and quasi-static methods for demonstrating energy absorption of the collision and corner posts. The tests focused on the collision and corner posts individually because of their critical positions in protecting the operator and passengers in a collision where only the superstructure, not the underframe, is loaded. There are many examples of collisions where only the superstructure is loaded.
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