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Bridge Rail Impact Forcing Functions

by Barry T. Rosson, (A.M.ASCE), Univ of Nebraska, Lincoln, United States,
Ronald K. Faller, (S.M.ASCE), Univ of Nebraska, Lincoln, United States,



Document Type: Proceeding Paper

Part of: Structures Congress XII

Abstract:

Bridge rails are designed according to AASHTO standards with a static 10-kip (44.5 kN) lateral load. The computer programs BARRIER VII and COSMOS are used to determine the deflections and bending moments for four vehicular impact conditions. The appropriateness of using the 10-kip (44.5 kN) static load method and newly developed polynomial forcing functions is presented.

Subject Headings: Static loads | Lateral loads | Railroad bridges | Load tests | Impact loads | Bridge design | Computer models

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