大断面煤巷锚杆支护技术研究

Research on the Bolt Support Technology Used in Coal Roadway with Large Section

叙述了大断面矩形煤巷围岩的变形特征,分析了预应力锚杆及其作用机理的数值模拟,研究了大断面煤巷锚杆支护技术的现场应用。

This paper described the deformation characteristics of the surrounding rock of rectangular coal roadway with large section, analyzed the numerical simulation of the prestressed bolt and its function mechanism and studied the field application of the bolt support technology of coal roadway with large section.