试论井工煤矿边开采边复垦技术

针对传统采煤沉陷地稳沉后复垦恢复土地率低、复垦周期长等弊端，在分析讨论我国采煤沉陷地非稳沉复垦技术研发历史的基础上，提出了边开采边复垦（简称边采边复）的概念，探讨了边采边复的内涵、基本原理、技术分类与关键技术，基于实例阐述了边采边复技术的优越性。 实例研究表明：采用边采边复技术比传统复垦技术提高复垦耕地率最高达37.59%。论文还分析了该技术的适用范围和推广应用前景，适用于边采边复技术的平原高潜水位地区包括十四大煤炭基地中的5个，通过使用边采边复技术，可以及早地拯救将要形成积水的土地，将增加土地面积约6 680.8 km 2 。

Concurrent mining and reclamation for underground coal mining

This paper aimed at the problems such as low restoration rate of land resources and long time for subsidence land reclamation by traditional technology with the condition of final subsided status.Based on the introduction and discussion of the research history for unsteady subsidence land reclamation，the concept of concurrent mining and reclamation(CMR) was proposed.The connotation，principles，technical classifications，and key technologies of CMR for underground coal mining were presented.The advantages with high reclamation percentage of land resources for the new technology were proved based on a case study，which indicated that CMR could increase farmland reclamation percentages to 37.59% comparing with the farmland reclamation percentage of post-mining.The scope of application and application prospects of the technology were also discussed，CMR could be used in 5 of the 14 large coal bases.It is estimated that the application of CMR could increase land area by 6 680.8 km 2 .