After Peigou coal mine raising to coal and gas outburst mine, the locomotive with power line is transformed battery locomotive, to construct and design a electrified chamber.

裴沟煤矿升级为煤与瓦斯突出矿井后，将架线电机车改为电瓶车牵引，设计并施工了充电硐室。

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After Gaocheng coal mine raising to coal and gas outburst mine, the locomotive with power line is transformed battery locomotive, to construct and design a electrified chamber.

告成煤矿升级为煤与瓦斯突出矿井后，将架线电机车改为电瓶车牵引，设计并施工了充电硐室。

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The paper researchs the principle of protective seam mining, hydraulic slotting method and executing-digging technology to avoid risk of coal-gas outburst, and its practices in coal mine.

通过分析近距离保护层开采、水力掏槽法及边抽边掘技术防治煤与瓦斯突出原理及实践应用，从而有利于煤与瓦斯突出矿井选择合理有效的防突技术。

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