PT(Pressure Tank)

A new measure,called hydraulic slotting,was described and studied in detail,and the mechanism of hydraulic slotting was put forward and analyzed.

通过理论研究和工业试验,确定了水力掏槽新掘进防突措施,并提出了适合焦作矿区的防突措施参数,系统评价了水力掏槽防突措施的有效性、适应性和安全性。

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。

Analysis on the security of hydraulic cutting measures for outburst prevention

水力掏槽防突措施的安全性分析

Grave protrusion coal seam tunnelling hydraulic cutting protrusion-dispelling measures is a new technology in the world.

严重突出煤层掘进水力掏槽防突措施在国际上是一种防突新技术。