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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Integrity of Rail Passenger Equipment Glazing Systems

Document Series
Technical Reports
Author
Federal Railroad Administration
Report Number
DOT/FRA/ORD-22/21
Office
RPD-32
Subject Crashworthiness - Passenger Equipment
Keywords
Window, glazing, gasket, zip-strip, derailment, passenger containment, emergency egress, emergency access, fire resistance, fire protection, simulations, finite element model, impact test

Failures of glazing retention mechanisms on passenger trains have led to multiple injuries and fatalities in rollover-type accidents over the last several decades. This research effort reviewed global standards for glazing system design and performance, as well as modes of retention failures under accident conditions, and proposed design concepts to improve retention performance and test methods to evaluate the same. Two of the design concepts were prototyped and evaluated using three test methods. The results were used to propose additional performance requirements that address glazing retention capacity.


Last updated: Friday, June 3, 2022