Evaluation of rail test frequencies using risk analysis

Jeong, David Y.; Gordon, J E; John A. Volpe National Transportation Systems Center (U.S.)

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

i

Evaluation of rail test frequencies using risk analysis

2009-03-03
By Jeong, David Y. ; Gordon, J E

English

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Details:

Creators:

Jeong, David Y. ; Gordon, J E

Jeong, David Y. ; Gordon, J E Less -
Corporate Creators:

John A. Volpe National Transportation Systems Center (U.S.)
Subject/TRT Terms:

[+]

Failure Inspection Mechanics Monte Carlo Method Rail (Railroads) Risk Assessment
Publication/ Report Number:

JRC2009-63009
Resource Type:

Proceedings
Corporate Publisher:

United States. Federal Railroad Administration
Abstract:

Several industries now use risk analysis to develop

inspection programs to ensure acceptable mechanical integrity

and reliability. These industries include nuclear and electric

power generation, oil refining, gas processing, onshore and

offshore exploration and production, chemical processing, and

pipelines. Risk analysis may also be used as a decisionmaking

tool in the railroad industry to develop systematic

improvements in track maintenance and inspection strategies.

In the course of conducting research in support of the

Federal Railroad Administration, a Monte Carlo risk

assessment model has been developed to simulate certain

aspects of rail inspection (also referred to as rail testing) to

find and remove defects that may grow to sufficient size to

cause rail failures. In this paper, the model is used to examine

the relationship between the occurrence of rail failures and

various operational factors. These operational factors include

rail size, average axle loading, and inspection frequency. In

addition, the risk assessment model is used to evaluate an

alternative rail testing concept in which detector cars would

conduct inspections at speeds higher than those used in

current practice.
Format:

PDF
Collection(s):

Federal Railroad Administration Volpe Center
Main Document Checksum:

[+]

urn:sha256:62e6b2fca95bac98b763b7f89afda3023fecb2dd27c35d4398abd253675c368b
Download URL:

https://rosap.ntl.bts.gov/view/dot/8984/dot_8984_DS1.pdf
File Type:

[PDF-196.63 KB]