Stability Monitoring of a Coal Mining Excess Spoil Fill

煤矿开采过量弃土的稳定性监测

• 批准号: 9977869
• 负责人: Xiangwu Zeng
• 金额: $ 2.93万
• 依托单位: University of Kentucky Research Foundation
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1999
• 资助国家: 美国
• 起止时间: 1999-06-15 至 2000-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9977869&HistoricalAwards=false
• 关键词: Stability; Monitoring; Coal; Mining; Excess

The disposal of excess spoil created by mining operations is usually accomplished by placing this material in valley fills, hundreds of which are now in existence. The Federal Office of Surface Mining, as well as state regulatory authorities, regulate the stability of these structures.This action concerns the stability of one of these excess spoil fills: It is being closely monitored due to concern that failure may occur as a result of spring rains. This project includes the installation of a comprehensive deformation monitoring system on this fill, investigating water movement through the fill, testing soil samples from the site, and monitoring the ground water table in the vicinity of seeps and wet areas of the surface of the fill.Data from this case study will advance understanding of the mechanism of slope failure, and the development of new design standards. It has received strong support from government agencies and the local community.

采矿作业产生的多余弃土的处理通常是通过将这些材料放置在山谷填充物中来完成的，目前存在数百种。 联邦露天采矿办公室以及各州监管机构负责监管这些结构的稳定性。这一行动涉及其中一个多余弃土填埋场的稳定性：由于担心春季降雨可能导致破坏，因此正在对其进行密切监测。 该项目包括在填土上安装综合变形监测系统，调查填土中的水分运动，测试现场土样，监测填土表面渗漏和潮湿区域附近的地下水位。该案例研究的数据将促进对边坡破坏机制的理解，并制定新的设计标准。 它得到了政府机构和当地社区的大力支持。