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以现场矿压观测结果及煤柱弹性核理论为依据，分析了泉上煤矿区段护巷技术的应用现状，介绍了从有煤柱到沿空掘巷进行变革的施工方法，对不同条件下的使用效果进行了比较。
Based on the observation results of mine pressure and the elastic core of coal pillar, the application status of the technology of protecting the roadway in Quanzhong coal mine is analyzed. The construction method of coal mine pillar to the roadway driving along the roadway is introduced. Under different conditions The use of effects were compared.