Performance of Plastic Composite Ties in Revenue Service
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2011-05-01
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NTL Classification:NTL-RAIL TRANSPORTATION-Rail Safety
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Abstract:Two types of plastic composite ties were tested on a 6.8-degree curve at the Norfolk Southern (NS) Railway eastern mega site between Narrows and Bluefield, WV. This test, as shown in Figure 1, was part of the Heavy Axle Load (HAL) Revenue Service Test Program funded by the Association of American Railroads and the Federal Railroad Administration (FRA). From November 2004 to May 2010, the test ties were subjected to 282 million gross tons (MGT) of mostly HAL traffic and were capable of supporting HAL traffic with acceptable performance. There were no problems related to track geometry, gage strength, tie plate cutting, cut spike uplift, or fastening system component failure.
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