Investigation on CWR longitudinal restraint behavior in winter rail break and summer destressing operations.

Samavedam, G.; Gomes, J.; Kish, A.; Sluz, A.; Foster-Miller, Inc.; John A. Volpe National Transportation Systems Center (U.S.)

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Investigation on CWR longitudinal restraint behavior in winter rail break and summer destressing operations.

1997-08-01
By Samavedam, G. ; Gomes, J. ; Kish, A. ; ...

[PDF-1.50 MB]

English

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Details:

Creators:

Samavedam, G. ; Gomes, J. ; Kish, A. ; Sluz, A.

Samavedam, G. ; Gomes, J. ; Kish, A. ; Sluz, A. Less -
Corporate Creators:

Foster-Miller, Inc. ; John A. Volpe National Transportation Systems Center (U.S.)

Foster-Miller, Inc. ; John A. Volpe National Transportation Systems Center (U.S.) Less -
Corporate Contributors:

United States. Federal Railroad Administration. Office of Research and Development
Subject/TRT Terms:

[+]

Benefit Cost Analysis Continuous Welded Rail Inspection Rail (Railroads) Rail Fasteners Railroad Cars Railroad Tracks Stresses Test Tracks Winter Maintenance
Publication/ Report Number:

DOT-VNTSC-FRA-97-06 ; DOT/FRA/ORD-97/01

DOT-VNTSC-FRA-97-06 ; DOT/FRA/ORD-97/01 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Railroad Administration. Office of Research and Development
NTL Classification:

AGR-INFRASTRUCTURE-Railroads;NTL-RAIL TRANSPORTATION-RAIL TRANSPORTATION;
Abstract:

This report presents the results of investigations on the rail anchor/fastener effects on rail movement and the resulting rail force distribution in continuous welded rail (CWR) track during rail breaks and destressing operations. Two types of tests are used, one for simulating winter rail break and another for destressing operations in summer. The winter rail break test is used to determine the size of the rail gap and the length of the disturbance zone in rail neutral temperature that occur when the rail breaks. The summer rail destressing test is used to determine the deanchored zone length and the rail length to be cut when the rail is destressed. The results are correlated with analyses. The results will be useful to the industry in optimization of their destressing operations.
Format:

PDF
Funding:

RR719/R7011 ; DTRS57-93-D-00028

RR719/R7011 ; DTRS57-93-D-00028 Less -
Collection(s):

Federal Railroad Administration Volpe Center
Main Document Checksum:

[+]

urn:sha256:17b532ace6587b908568a5b59f4be427b1c3aa5abc3ebdb6465ce3713fe6eee4
Download URL:

https://rosap.ntl.bts.gov/view/dot/9459/dot_9459_DS1.pdf
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Investigation on CWR longitudinal restraint behavior in winter rail break and summer destressing operations.

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