Cyclic Inelastic Deformation and Fatigue Resistance of a Rail Steel : Experimental Results and Mathematical Models

Leis, B. N.; Laflen, J. H.; Battelle Memorial Institute. Columbus Laboratories

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Cyclic Inelastic Deformation and Fatigue Resistance of a Rail Steel : Experimental Results and Mathematical Models

1981-10-01
By Leis, B. N. ; Laflen, J. H.

[PDF-2.78 MB]

English

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Details:

Creators:

Leis, B. N. ; Laflen, J. H.

Leis, B. N. ; Laflen, J. H. Less -
Corporate Creators:

Battelle Memorial Institute. Columbus Laboratories
Corporate Contributors:

John A. Volpe National Transportation Systems Center (U.S.) ; United States. Federal Railroad Administration

John A. Volpe National Transportation Systems Center (U.S.) ; United States. Federal Railroad Administration Less -
Subject/TRT Terms:

[+]

Deformation Fatigue (Mechanics) Mathematical Models Rail (Railroads) Railroad Tracks Repeated Loads Steel Structural Analysis
Publication/ Report Number:

DOT-TSC-FRA-80-28 ; FRA/ORD-81/29

DOT-TSC-FRA-80-28 ; FRA/ORD-81/29 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Railroad Administration
NTL Classification:

NTL-SAFETY AND SECURITY-Rail Safety;NTL-SAFETY AND SECURITY-SAFETY AND SECURITY;NTL-SAFETY AND SECURITY-Vehicle Design;NTL-RAIL TRANSPORTATION-Rail Safety;NTL-RAIL TRANSPORTATION-RAIL TRANSPORTATION;AGR-SAFETY AND SECURITY-SAFETY AND SECURITY;AGR-INFRASTRUCTURE-Railroads;
Abstract:

Experimental results developed from tests of uniaxial, smooth specimens obtained from the head of an unused section of rail have been reported. Testing encompassed a broad range of conditions - monotonic tension, monotonic compression, and fully reversed constant-amplitude strain cycling. Additionally, a study of 'history effects' was made. Included in this study were tests to examine the influence of orientation, mean stress, initial prestrain, and periodic overstrain (both the cyclic deformation response and the fatigue resistance being reported for each condition). Results obtained from the above tests were used to develop mathematical models for rail deformation response and failure. Particular attention has been paid to the influence of stress state on deformation response and fatigue resistance.
Format:

PDF
Funding:

DOT-TSC-1076-3
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:fbfb788754bdfb3dace774bb23e58ce4c7bc1bb05e38ef05823c407ec9be10d2
Download URL:

https://rosap.ntl.bts.gov/view/dot/10228/dot_10228_DS1.pdf
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Cyclic Inelastic Deformation and Fatigue Resistance of a Rail Steel : Experimental Results and Mathematical Models

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