In the recent past, geotechnical applications of CCR is the major focus area in the construction industries. However, the economics of a project and environmental safety are some of the key issues, that still need to be addressed. This research work focusses on the comprehensive assessment of the economic and ecological sustainability of bulk utilization of CCR in geotechnical applications. Physical, mechanical, and physicochemical properties of different types of CCR were determined and compared with locally available natural soil. The results reveal that all CCR samples were non-plastic, exhibited low sensitivity to moisture content, negligible crushing during compaction, and displayed significant shear strength (φ ≥ 30°). All CCR demonstrated an alkaline pH that satisfied the requirements of a fill material. The environmental risk associated with the application of CCR was assessed through leachability tests as per EN 124057–4 (2002). The results revealed that CCR is safe for disposal in inert landfills as per European Council Decision 2003/33/EC guidelines, due to low risk to the environment. The cost estimation suggests that CCR is comparably very economical if available within 5 km of a construction site. The findings of the study clearly revealed that the application of CCR is cost-effective as well as environmentally safe and a sustainable alternative to the natural soil.

在最近的过去，CCR的岩土工程应用是建筑行业的主要关注领域。但是，项目的经济性和环境安全是一些关键问题，仍然需要解决。这项研究工作的重点是对土工应用中CCR大量利用的经济和生态可持续性进行综合评估。确定了不同类型的CCR的物理，机械和理化性质，并与当地的天然土壤进行了比较。结果表明，所有CCR样品都是非塑料的，对水分的敏感性低，在压实过程中压碎可以忽略不计，并且显示出显着的剪切强度（φ≥30°）。所有CCR均显示碱性pH值，可以满足填充材料的要求。根据EN 124057–4（2002），通过可浸性测试评估了与使用CCR相关的环境风险。结果表明，由于对环境的风险低，根据欧洲理事会第2003/33 / EC号准则，CCR可安全地用于惰性垃圾填埋场。成本估算表明，如果在一个建筑工地的5公里范围内可以使用CCR，那么它的成本将非常可观。该研究的结果清楚地表明，CCR的应用不仅具有成本效益，而且对环境安全并且可以替代天然土壤。成本估算表明，如果在一个建筑工地的5公里范围内可以使用CCR，那么它的成本将非常可观。该研究的结果清楚地表明，CCR的应用不仅具有成本效益，而且对环境安全并且可以替代天然土壤。成本估算表明，如果在一个建筑工地的5公里范围内可以使用CCR，那么它的成本将非常可观。该研究的结果清楚地表明，CCR的应用不仅具有成本效益，而且对环境安全并且可以替代天然土壤。