Abstract：The advanced support pressure produced in the mining process is an important factor leading to the development，expansion and penetration of fault fracture zones. Grouting is an important means to control the stability of surrounding rock. In order to analyze the reinforcement effect of grouting on surrounding rock near fault fissure zones under stress disturbance，disturbance rule of surrounding rock in fault fissure zones under stress disturbance and reinforcement mechanism of grouting were studied in this paper，by using similar material simulation tests to obtain surrounding rock collapse，displacement change data and stress change data，and numerical simulation tests to obtain damage nephogram，shear stress curve and other parameters. The results show that the advanced support pressure disturbance caused by mining is a dynamic evolution process as the working face advances. This stress can induce the development and expansion of fault fracture zones，and the stress value of the fault fracture zone increases as it is closer to the working face location and the stress concentration at the end of the fault fracture zone is obvious. As the distance between the excavation surface of the working face and the fault structural surface decreases，the disturbance of advanced support pressure causes uneven distribution of damage in fault fracture zones；Grouting makes the fault more stable and results in the hanging and foot walls more tightly bonded，reducing the barrier effect of the fault on stress. Grouting effectively inhibits the development and expansion trend of fault fracture zones，making them difficult to activate，thereby reducing the trend of fault slip.
孙文斌，薛延东，杨 辉，张晓波，孔令君. 工作面回采对断层裂隙带应力扰动规律及注浆加固机制研究[J]. 岩石力学与工程学报, 2023, 42(11): 2668-2681.
SUN Wenbin，XUE Yandong，YANG Hui，ZHANG Xiaobo，KONG Lingjun. Study on the law of stress disturbance in fault fissure zones caused by mining face and the mechanism of grouting reinforcement. , 2023, 42(11): 2668-2681.
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2023, Vol. 42 
