风沙区采煤沉陷地裂缝对土地的小尺度破坏特征  

Small-scale land destruction features caused by coal mining subsidence ground cracks in windy desert area

作　　者：陈超[1] 赵艳玲[1] 何厅厅[1] 李亚龙[1] 

机构地区：[1]中国矿业大学(北京)土地复垦与生态重建研究所,北京100083

出　　处：《煤炭工程》2016年第1期130-132,共3页Coal Engineering

基　　金：国家自然科学基金委员会-神华集团有限责任公司煤炭联合基金重点支持项目(U1361203);中央高校基本科研业务费专项基金项目(2010YD03)

摘　　要：为研究风沙区采煤沉陷地裂缝对土地的小尺度破坏特征,基于单一开采单元的小尺度层面,利用GPS测定采煤沉陷地裂缝分布范围,通过全站仪测定研究区水平拉伸变形,在对动态地裂缝实时动态宽度统计的基础上,分析水平拉伸变形与动态地裂缝宽度的关系;将边缘裂缝不同测点落差值与相应沉陷预计值进行对比;基于此,指出动态地裂缝短期内将对土地造成严重破坏,而边缘裂缝对土地破坏的时间较长,需重点治理。To study small-scale land destruction features due to coal mining subsidence ground cracks, based on the small -scale level of a single mining unit, coal mining subsidence crack distribution is measured by GPS, total station is used to determinate horizontal tensile deformation, the relationship between horizontal tensile deformation and real-time dynamic width of dynamic coal mining subsidence crack is analyzed on the basis of counted width of dynamic coal mining subsidence cracks. Different measured points gap are compared with the corresponding predicted subsidence values along the marginal crack. And based on this, the paper points out that dynamic ground cracks will cause severe damage to the land in the short-term, the damage to the land due to the marginal crack takes a long time and needs key harnessing.

关 键 词：风沙区 开采沉陷 采煤地裂缝 GPS 全站仪 土地破坏 

分 类 号：TD88[矿业工程—矿山开采] P642.26[天文地球—工程地质学]