stoping face

Practice of Large-angle Underhand Stoping Technology in Fully Mechanized Caving Face

轻放工作面大角度俯采技术实践

Base on the analysis of production system reliability and economic-mathematical model, a comprehensive method to optimize the face length of powder blast stoping is presented in this paper.

本文通过炮采工作面生产系统的可靠性分析及经济数学模型分析，提出了炮采工作面长度综合优化的方法。

probing into the stoping face methane prevention and control in difficult-to-drain coal-beds

难抽放煤层回采工作面瓦斯防治技术探讨

A comprehensive face length optimization of powder blast stoping

炮采工作面长度的综合优化

stoping face methane control by separate sources

回采工作面瓦斯的分源治理

The example proves that the output and cost of the face of powder blast stoping varies with its length.

并通过实例计算，分析了炮采面长度对工作面产量和成本的影响。