【摘要】 废弃混凝土作为城市建筑垃圾的重要组成部分,其处理和资源化利用等问题备受关注。通过走访长沙市废弃混凝土处理和资源化利用的相关政府部门、企业和社会组织,了解了长沙市废弃混凝土的来源、处理方法和资源化利用现状以及相关政策。预估了长沙市从2009～2015年和未来三年废弃混凝土的年产生量,分析了废弃混凝土在资源化利用的过程中存在的问题,并结合国内外先进的方法进一步探讨合理的废弃混凝土资源化利用方案。更多还原

【Abstract】 The disposal and recycling of the concrete waste has been highly concerned due to its high contamination portion in the construction and demolition waste.It aims to analysis the information of concrete waste data(e.g.includes the origin source,disposal and recycling methods as well as its related policies)gathered from relevant local government departments,industries and social organizations in Changsha.The amount of concrete waste generated in Changsha from 2009 years to 2015 years is then estimated,and the current problems facing in the recycling of waste concrete are reported.Finally,the reasonable recycling programs of concrete waste comparing to the global advanced recycling methods has been discussed.更多还原