据了解,倾角在45度以上的煤层称为急倾斜煤层。
It is understood that more than 45 degree Angle in inclined coal seam is called.
急倾斜煤层的回采一直存在着回采率低、采后难以管理等实际问题。
There have been some problems such as low coal recovery and difficult management after coal mining in steep seam mining method.
针对急倾斜煤层巷道支护现状,在试验巷道探索采用锚网索支护技术。
According with the supporting status quo of steeply inclined seam roadway, in experimental laneway the application of Bolt-mesh-anchor support system was explored.
验证了急倾斜煤层开采过程中支护结构稳定-压缩-回弹-稳定的变形特性。
The stable-compression-resilience-stable deformation features of the support structure was verified during the steep inclined seam mining process.
本文对急倾斜煤层中巷道支护方式的选择及支护效果监测等方面进行了系统研究。
This paper discusses the support selection of lasting gateways in steeply inclined seams, and evaluates the support effect.
结合木城涧煤矿的生产情况,介绍了急倾斜煤层的注水方法及在煤矿应用后所取得的效果。
Combined with the production situation of Muchengjian coal Mine, this paper introduced the method of water injection in steep seam coal, and the effect obtained after applied this method.
为了预测急倾斜煤层开采的效果和决策辅助技术,对急倾斜煤层可采工艺性进行综合评价。
In order to predict the mining effect and choice the technical decision, the comprehensive evaluation on steep coal seams was taken.
试验表明采用的设计方法是科学合理的,填补了急倾斜煤层巷道支护理论和设计方法的空白。
The dynamic design method adopted in this paper provides a effective means of designing roadway support in deeply inclined seams.
急倾斜煤层属难采煤层,具有安全状况差、支架稳定性差、机械化程度低、回采效率低等问题。
The steep inclined seam is a difficult mining seam with a poor safety condition, a poor support stability, a lower mechanization and lower mining rate.
在总结现场试验效果的基础上,应用断裂力学理论分析了急倾斜煤层巷道放顶煤顶煤破断裂纹的扩展和破碎机理。
On the basis of summarizing testing effects, the extension of crack and the breaking mechanism of top coal caving in steep seam have been analyzed by applying fracture mechanics theory.
介绍了急倾斜煤层小阶段联合开采的实践与探索,分析了小阶段联合开采的优越性,认为该方法是实现急倾斜矿井高产高效的有效途径。
The practice on sublevel combined mining in steep seam is approached and the advantage of it is analyzed. It is an efficient way to realize the high efficiency production in steep seam in coal mine.
论证了急倾斜厚(特厚)煤层伪斜上山保护煤柱回收的可行性。
The feasibility of the protective coal pillar mining in the artificial inclined steep drift in the thick (ultra thick) coal seam of a large slope is discussed.
文章介绍了新疆乌鲁木齐矿业集团急倾斜近距离厚煤层水平分段轻型支架放顶煤联合开采技术及取得的技术经济效果。
This article presents the combined mining technology of horizonal sectional light prop used in steeply inclined short_interval thick coal seams and gains the technical and economic benefits.
介绍了急倾斜中厚煤层回采工艺的具体计算数据,以及在实际施工中的应用效果;同时介绍了采后沿空留巷的施工方法。
The specific calculated data of mining technology in the steeply pitching medium thick coal seam and it's application effect in real construction are introduced.
介绍了急倾斜中厚煤层回采工艺的具体计算数据,以及在实际施工中的应用效果;同时介绍了采后沿空留巷的施工方法。
The specific calculated data of mining technology in the steeply pitching medium thick coal seam and it's application effect in real construction are introduced.
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