西细庄矿在303工作面首次使用悬移支架开采获得成功。
The cantilever support mining was successfully applied at No. 303 face in Xixizhuang Coal Mine.
悬移顶梁组合支架与同类架型相比显示出了更好的适应性和可靠性。
Compared with other similar types, new type of the combined hydraulic support of suspension roof timber has better adaptability and reliability.
通过阅读和研究大量有关文献,对长江口潮滩悬移泥沙的输移规律有了较全面的了解。
The regular behavior of the suspend sediment on the mudflat and intertidal furrows in the Yangtze estuary is summer-ized by the authors through relevant documents and field operations.
对影响悬移支架放顶煤技术成功应用因素进行了系统分析,并总结出了其主要影响因素。
This paper analyzes the success application influence factors about the roof caving technology of cantilever support and summarized it's main factors.
通过矿压观测掌握了该工作面矿压显现规律,为今后悬移支架在蔚州矿区推广探索出一条新路。
The law of the mine pressure appearance is held by the mine pressure observation. A new road of the cantilever support application and expansion in Yuzhou mine district is explored.
介绍了液压联接式悬移支架的结构、主要技术参数、工作原理及各主要部件的设计特点和应用情况。
This paper introduces the construction of the support, major technical parameters, working principle, designing characters and use of fundamental the units.
本课题在分析了几种简易轻便自移支架的基础上,提出了一种新型支架的架型——悬移顶梁组合支架。
A new type of the combined hydraulic support of suspension roof timber is designed based on the analysis of simple supports and fully mechanized mining supporter.
结果显示,长江下游悬移载荷的粒度组成以粉砂、粘土为主,几乎不含砂,分选较差,泥沙来源比较复杂。
The results show that the suspended sediments of the Changjiang River are mainly composed of silt and clay, and with almost no sand.
计算表明,潮泵效应在长江河口最大浑浊带悬沙输移中起着重要的作用。
Computation shows that the "tidal pumping" effect has a significant role in the suspended sediment transport within the turbidity maximum of the Changjiang Estuary.
最后采用有解析解的算例进行了验证,结果表明该模型可以用于海岸河口的悬沙输移模拟。
Finally, the model is verified by the examples of analytical solution, the results show that the model can be applied in the suspended sediment model of estuary and coastal.
潮流流速是水体含沙量变化及悬沙输移的主要动力因素。
Meanwhile, the current velocity is an important dynamic factor on variation of sediment concentration in water body and...
潮流流速是水体含沙量变化及悬沙输移的主要动力因素。
Meanwhile, the current velocity is an important dynamic factor on variation of sediment concentration in water body and...
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