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Concrete sleeper replacement method, involves sucking ballast into rail mounted wagon and using rail mounted excavator to introduce new sleepers
Concrete sleeper replacement method, involves sucking ballast into rail mounted wagon and using rail mounted excavator to introduce new sleepers
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机译:更换混凝土轨枕的方法,包括将压载物吸入轨道安装的货车中,并使用轨道安装的挖掘机引入新的轨枕
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摘要
Individual sleepers or groups of sleepers are replaced by sucking up the ballast around the sleepers, pulling out the old sleepers and putting in the new sleepers which are kept raised while they are secured to the rails. The ballast is sucked up into a rail-mounted wagon (16) and can later be discharged from the wagon to be used as ballast for the new sleepers. A rail-mounted excavator (22) with a grip device is used to introduce the new sleepers beneath the rails.
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