Abstract
The article presents the results of field surveys of the condition of reinforced concrete sleepers of the BF70 type with different periods of their operation and different missed tonnage on the main tracks of JSC “Uzbekistan Temir yullari”. The main types of defects and the causes of the destruction of the sleepers have been identified. They were distributed according to classification numbers. In order to increase the life cycle of the under-rail foundation and the overhaul period, ways to prevent and eliminate defects are recommended.
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