巷道是矿井的咽喉和运行通道。我国煤矿的巷道总长度达数万公里，是最浩大的地下工程。每年的开掘和维护费用高达百亿元。而且随着煤层往深开采，矿井巷道受采动引起的多种应力影响发生的变形和破坏程度越严重，使维护工作越来越困难。如何医治巷道这一地下工程的疑难顽症，我 Roadway is the mine’s throat and runway. The total length of mine roadway in China is tens of thousands of kilometers, which is the most vast underground project. Annual digging and maintenance costs up to tens of billions of dollars. And as the coal seam moves deeper into the coal seam, the more serious the deformation and damage caused by various stress caused by mining in mine roadway, the more difficult the maintenance work is. How to heal the underground tunnel project difficult chronic disease, me