Against a single low permeability outburst coal seam deep hole presplit blasting charge difficult, technical problems of sealing, guided by the theory of deep-hole pre-splitting blasting. a further optimisation of the construction process, guiding the construction. Practice shows, using new technology for deep-hole presplitting blasting destressing, can effectively solve the outburst coal seam deep hole presplit blasting charge difficult, difficult technical problems such as sealed, greatly improve working efficiency, provide technical support for mine safety production.%针对单一低渗透突出煤层深孔预裂爆破存在的装药难、封孔难的技术问题,以深孔预裂爆破理论为指导,进一步优化了施工工艺,指导现场施工。现场应用表明,利用深孔预裂爆破卸压增透新工艺,可有效解决突出煤层深孔预裂爆破存在的装药难、封孔难等技术难题,大幅度提高工作效率,为突出矿井安全生产提供技术支撑。
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