TEST LEVEL 4 BRIDGE RAILS

Document Type

Journal Article

Publication Date

2000

Subject Area

planning - safety/accidents, mode - rail

Keywords

Tubing, Tubes, Structural steel, Specifications, Safety measures, Safety, Public safety, Posts, Performance, NCHRP Report 350, Impact tests, Design, Crash tests, Compliance, Collision tests, Bridge rails, Bridge railings, American Association of State Highway and Transportation Officials, AASHTO

Abstract

Design details and full-scale crash test results are presented for three bridge rails tested for compliance with NCHRP Report 350 Test Level 4 requirements. Designs of these rails are based on AASHTO LRFD Bridge Design Specifications. Each bridge rail consists of structural steel tubing rail elements mounted on wide-flange posts. The rails are generally stronger than many designs commonly used in the recent past. Full-scale crash test results demonstrated that all bridge rails meet NCHRP Report 350 safety performance requirements.

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