软岩巷道底鼓机理分析

Soft Rock Roadway Floor Heave Mechanism and Numerical Simulation

近年来,随着煤田深处矿业工程的不断延伸,巷道围压逐渐增大,巷道发生底鼓的现象也愈演愈烈,巷道底鼓是造成巷道变形破坏的常见形式。文章分析了巷道底鼓的主要因素,通过工程实例,简述了巷道的底鼓变化规律以及两帮对于巷道底鼓的联动作用,同时有针对性的提出了锚网索支护对于巷道底鼓变形量的影响。文章为维护巷道及底鼓的治理提供了一定的依据。

In recent years, with the continuous extension of coal deep mining engineering, the pressure of roadway increa-ses much, the roadway floor heave is becoming more and more intensified, the roadway floor heave is a common form of road-way deformation. This paper analyzes the main factors of road-way floor heave. By engineering examples, the paper resumes the variety rule of roadway floor heave and the influence of the flanks. Meanwhile puts forward the bolt-mesh-anchor support for roadway floor heave deformation effect. This paper provides a certain basis for the maintenance of roadway floor heave.