【摘要】 以段王煤矿090504综采工作面为例,对综采工作面端头支护破坏原因进行分析,并对支护方案进行优化设计,结合现场情况上下顺槽采用液压支架进行超前支护,并对支护影响因素进行分析。实践表明:用液压支架进行超前支护,安全系数高且支护效果良好,为工作面实现高产高效奠定了坚实的基础。更多还原

【Abstract】 By analysis of the failure causes of the end support at 090504fully-mechanized working face of Duanwang Colliery,the author presents the optimization of supporting scheme with advanced hydraulic support in crossheadings,which leads to good support effect with high safety coefficient and provides a solid foundation for high yield and high efficiency at working face.更多还原