采用锚注技术控制软岩巷道持续变形是研究的主要目的。对锚注支护的原理和控制技术进行了分析;通过试验优化了适宜锚注控制的高效、低廉、无机注浆材料;工业性试验和矿压监控表明,注浆技术工艺简单,技术可靠,可控制围岩持续变形破坏,具有显著的技术经济效益。
The main purpose of the research is to control the continued the deformation of soft rock roadway by bolt-grouted technology.Firstly,the principle of bolt-grouting support and controlling technology are analyzed.Then the efficient and low-cost inorganic grouting material which is fit for bolting and grouting technology is optimized and tested.Finally,the industrial experiments and the pressure monitoring show that the grouting technology is simple and reliable.It can control the continued deformation and failure of wall-rocks with significant technical and economic benefit.