Test and research on bolt and grouting with cement and flying ash grout in mine very soft rock roadway
XIE Guang-xiang (Huainan Institute of Technology, Huainan 232001, China)
The projects shown that cement and flying ash grout with a proper mixture rate is feasible in technology and rational in economic for application of very soft rock roadway bolt and grouting reinforcement. The project shown the obvious benefits.
【CateGory Index】： TD353.5