基于煤矿巷道顶板钢带支护机理分析

Analysis on Steel Belt Supporting Mechanism Based on Coal Mine Roadway Roof

经过分析发现,巷道围岩和钢带产生变形的规律和相关研究结果具有很大差异,根据此分析结果,指出了钢带突起弯曲变形的主要原因是由两个锚杆之间失稳产生的,此种压杆失稳影响了钢带支护效果,导致其失去了力学作用。研究结果发现,巷道顶板支护钢带重点部分是支护断面和钢带之间的耦合,可为煤矿巷道顶板钢带支护提供参考。

Through analysis found that the deformation laws of roadway surrounding rock and the steel belt and the related research results have differences. According to the results,points out that the main cause of steel belt bending deformation is unstable between two anchor bolt. It affects the effect of steel belt supporting,and leads to lost the mechanical function. The study found that the key part of roadway roof support steel belt is interconnection of supporting section and steel belt. It can provide a reference for coal roadway roof steel belt supporting.