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本文对目前黑龙江省林区森铁线路中铺用的三种预应力钢弦混凝土轨枕的使用品质进行了现场考察。对三种轨枕各部位出现的裂纹、折断、压溃等现象产生的原因,以及预防措施进行了论述,同时对森铁线路由木轨枕改用混凝土轨枕的经济效益进行了比较。
In this paper, the current quality of the three prestressed steel-chord concrete sleepers used in the forest-iron railway in the forest area of Heilongjiang Province was investigated on site. The reasons for the occurrence of cracks, breakage and crushing of the three sleepers, as well as the prevention measures are discussed. At the same time, the economic benefits of converting sleeper sleepers into concrete sleepers are compared.