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INVESTIGATION ON FILLING ROADBED WITH WASTE COAL GANGUE

Xu Mingsheng (Zhengzhou Design and Research Insitute of Coal Industry Ministry, Zhengzhou, Henan, 450007)  
Coal gangue is the waste in the process of coal mining, it is an important way of utilization to conduct roads. Through the analysis of hazardous substance in waste coal gangue and its leach liquid, this paper investigates the environmental protection of contructing roadbed, roadbed pressure standard,economic function and so on.
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