根据煤层瓦斯含量公式,计算出不同冻结温度下煤层瓦斯压力。
According to the coal seam gas content formula, the gas pressure in different freezing temperature was calculated.
受煤层瓦斯压力差和煤层的透气性双重因素影响,煤层是瓦斯后期释放的主要通道。
Being influenced by the dual factor of the coal seam gas pressure difference and ventilation, the coal seam is the main route at the later period of the gas release.
最后提出了利用煤屑解吸瓦斯流量测算煤层瓦斯压力和瓦斯含量的计算方法和计算公式。
Finally the calculation method and formula of coal methane content and pressure are presented by using the emission rate from broken coal.
煤层瓦斯压力是决定煤层瓦斯含量的一个主要因素,也是煤与瓦斯突出危险性预测的一个重要参数。
The gas pressure is a main factor of deciding gas content in coal seam. It is an important parameter of the dangerous prediction for coal and gas outburst too.
介绍了德国在煤与瓦斯突出危险的研究过程中,用计算方式求煤层瓦斯压力的方法,并对其结果进行了分析对比。
The paper describes the computation method of seam gas pressure in the research on gas and coal outburst in Germany. Analysis and comparison are made on the obtained results.
瓦斯压力测定一直是个难题,尤其在煤层里测定更是难以保证。
To measure gas pressure is always a difficult problem, especially mensuration in coal bed is more difficult to guarantee.
煤(岩)与瓦斯突出是煤矿严重的自然灾害之一,且是一种复杂的动力现象,是地应力、煤层中的瓦斯压力和煤的结构力学性质综合作用的结果。
Coal (rock) and gas outburst is one of intense natural disaster, is also a complicated and dynamical phenomenon, caused by stress, gas pressure of coal bed as well as coal structure.
隧道穿越不良地质有:高压力水、煤层、采空区、瓦斯、岩溶、断层等。
The poor geological conditions that the tunnel confronts include high-pressure water, coal seam, goaf, gas, Karst and fault.
隧道穿越不良地质有:高压力水、煤层、采空区、瓦斯、岩溶、断层等。
The poor geological conditions that the tunnel confronts include high-pressure water, coal seam, goaf, gas, Karst and fault.
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