A study on solid waste management in wide area

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1. Survey on Railway Transportation of Solid WasteField surveys were carried out to investigate current situation of solid waste transportation by railway and technical and institutional problems were discussed.2. Study on wide-area transportation of solid waste from economic point of viewTraditionally, "polluter pay principle" was the basis of solid waste management, which promoted local authorities to magage solid wastes inside municipality boudaries. In this study, problems related with wide-area management were analyzed form economic point of view. Also, selection of long-distance transportation methods and site selection method of treatment facilities were also analized.3. Study on environmental impact of large landfill sitesLarge-scale solid waste landfill with conventional pavement will lead to the change on micro-climate and causes temperature raise. However, water retainable blocks and pavements were proved to be able to maintain thermal condition at the same level as the natural soil. The effect of land surface improvement on the urban thermal condition was also investigated. In addition, application of water retainable blocks to roofing material was also investigated.4. Study on "Should-be picture" of solid waste transportation in wide areaThe role of railway transportation of solid waste was studies from the standpoint of health and environment. "Should-be picture" of wide-area railway transportation was also investigated.