The testing research about enhancing permeabilityrate by hydraulic cutting seam on outsize coal sample is introduced.
介绍了特大煤样采用水力割缝提高瓦斯渗透率的实验研究。
2
Compared with the test production, the paper obtains the variation law of rock permeabilityrate and P-Q curve during the high-pressure water.
本文通过对试验成果的比较,得出了高压压水过程中岩体透水率值和P ~ Q曲线的变化规律。
3
The flow behind groynes to the floodplains is mainly related to the permeabilityrate and deposition status of the floodplain behind groynes. The amount of wate…