regularly caving zone 规则垮落带
irregularly caving zone 不规则垮落带
height of caving zone 垮落带高度
caving process zone 崩落过程区
The range of the tensile stress zone increases with the increase of the ratio between the height of the caving zone and periodic weighting step, with the increase of the ratio between the horizontal tectonic stress and vertical stress.
拉应力范围随冒落带高度与周期来压步距的比值的增大而增大,随水平构造应力与垂直应力的比值的增大而增大。
参考来源 - 构造应力场影响下的巷道围岩稳定性原理及其控制研究Based on the field test, the caving zone's maximum height is obtained, it is 11.34~15.74m, the caving zone height and coal thickness ratio is 1.44~1.69.
3.通过两带移动规律现场实测研究,得出了试验综放工作面的实测垮落带发育高度为11.34~15.74m,垮采比为1.44~1.69。
参考来源 - 厚松散层薄基岩下综放开采留设防砂煤岩柱研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Finally, the distribution law of stress filed and the causes of goaf caving zone were analyzed according to the primary stress nephogram.
最后从主应力云图来分析了采空区内部的应力场分布规律及空区垮落带形成的原因。
Describes the methods of reinforcing roof of the plank and surrounding rock by using pipe-burying filling, to mak them as a whole, so as to go-through the caving zone safely and smoothly.
详细介绍了采用埋管注浆方法充填加固冒落段巷道顶板及围岩,使之胶结成为整体,从而安全顺利地通过该冒落带的施工技术。
A coal mining method with a combination of a slicing and caving, a double benefit in control of water conducted crack zone development and in reduction of coal production cost can be obtained.
对厚煤层采用分层与放顶煤相结合的采煤方法,既可控制导水裂缝带的发育高度,又可降低生产成本。
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