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复合顶板条件下的煤巷施工,给支护工作带来很多困难,如不采取先进合理的支护技术方案,将可能产生很大的安全隐患。文章主要从支护方式选择、锚网索支护原理、支护参数设计及实际应用等方面进行分析和研究,并对如何确保复合顶板条件下锚网索支护质量及安全问题进行了阐述,现场实践证明,锚网索联合支护方式具有良好的技术经济效果。
Under the condition of compound roof, the construction of coal roadway brings many difficulties to the support work. If it does not adopt the advanced and reasonable support technology scheme, it may have a great potential safety hazard. The article mainly analyzes and researches on the selection of support modes, the principle of anchor net support, the design of support parameters and the practical application. The article also expounds how to ensure the quality and safety of anchor net support under the condition of composite roof, Field practice has proved that the anchor net support method has a good technical and economic results.