Details:

Creators:
Kerr, A. D. ; Bathurst, L. A.
Kerr, A. D. ; Bathurst, L. A. Less -
Corporate Contributors:
University of Delaware. Department of Civil and Environmental Engineering ; Amtrak ; John A. Volpe National Transportation Systems Center (U.S.) ; United States. Department of Transportation. Federal Railroad Administration
University of Delaware. Department of Civil and Environmental Engineering ; Amtrak ; John A. Volpe National Transportation Systems Center (U.S.) ; United States. Department of Transportation. Federal Railroad Administration Less -
Subject/TRT Terms:
[+]
Ballast (Railroads) Bearing Capacity Bridge Bearing Pads Bridges High Speed Ground Transportation High Speed Rail High Speed Track Mass Transportation Open Deck Bridge Public Transportation Railroad Bridges Railroad Tracks Railroad Transportation Rail Transportation Rapid Transit Systems Stiffness Tests Velocity Wheel Loads Wheel Rail Interface
Publication/ Report Number:
DOT?FRA/RDV-02/05 ; DOT-VNTSC-FRA-00-06
DOT?FRA/RDV-02/05 ; DOT-VNTSC-FRA-00-06 Less -
Resource Type:
Tech Report
Edition:
Final report May 2000-Sep 2001
Corporate Publisher:
United States. Department of Transportation. Federal Railroad Administration
Abstract:
High-speed trains in the speed range of 100 to 160 mph require tracks of nearly perfect geometry and mechanical uniformity, when subjected to moving wheel loads. Therefore, this report briefly describes the remedies being used by various railroads to creae smoothed transition regions. Some of the associated shortcomings are pointed out. then, the method of matched pads, as presented by Kerr and Moroney (1993) is described. The aim of this method is to eliminate the need for transition sections by "softening" the tracks on the birdges, so the dynamic loads caused by the moving trains are geratly reduced. As part of this effort, matched pads were developed, produced, and installed on a number of open-deck bridges. Field measurements revealed that the improvements caused by the installation of the matched pads and the associated treatment of the tracks near the abutments may be very significant. The obtained results suggest that the use of the matched pads may be an effective and economical way to eliminate or greatly reduce, the effect of track transitions, and that it could be useful for adjusting existing railway tracks for high-speed train travel.
Format:
PDF
Funding:
RR103/R1030
Collection(s):
Federal Railroad Administration Volpe
Main Document Checksum:
[+]
urn:sha256:88326b2f6d645ffb0087d594faece6d5ca336200ab898716a72a69b1a57678d0
Download URL:
https://rosap.ntl.bts.gov/view/dot/8477/dot_8477_DS1.pdf
File Type:

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