The development and successful application of mobile roof support make ready a new type supporting equipment for mechanized mining of short-wall faces.
履带行走式液压支架的研制与成功应用,为短壁工作面机械化开采提供了一种新的支护设备。
The parameters of suspension roof support were determined based on hanging action with a bolt-wire or cable truss.
应用锚杆兜吊和锚索悬吊两种作用设计了锚杆支护参数。
How to guarantee the reliability of the suspension roof supported tunnel is a key link of the suspension roof support.
如何保证锚杆支护巷道的可靠性,是锚杆支护的关键环节。
A windshield support flange, roof support flange and door opening flange are formed to extend outwardly from the tubular body portion.
挡风玻璃支撑凸缘、顶板支撑凸缘和门开口凸缘形成为从管状主体部分向外延伸。
The paper provided the optimum roof support parameters of bolt support in soft thick seam. The applied projects have shown the efficiency of the support.
给出了锚杆(索)支护软厚煤顶板的优化支护参数,工程应用证实了其有效性。
This paper introduces the design plan of the roof support in the factory building with the steel structure and its best results by using the engineering example.
通过工程实例,介绍了钢结构厂房中屋面支撑设置方案及其最佳效果。
The underhand slice stoping method, with reinforced concrete for roof support, is recommended to mine narrow veins where the mining technological conditions are very complicated.
针对采矿技术条件复杂的薄矿脉开采,推荐采用有钢筋混凝土护顶的下向分层充填采矿法。
In the future, the efforts to research and deploy the mining methods, modify and perfect the roof support techniques and improve the mechanization should be made in the mining of gold deposits.
今后在金矿床开采中应致力于新的采矿方法研究和推广应用,改进和完善护顶技术,提高机械化水平。
The paper discussed common problems of pipe roof support engineering in soft ground and presented the optimization technology by tests on borehole construction methods with existing equipments.
在软弱土层管棚支护工程中,利用现有设备试验了多种成孔方法,优选出最佳成孔法,加快了工程进度。
The impact factors on advancing supporting speed of hydraulic support are analyzed in this article, and the path and methods to accelerate roof support speed of combined mining face are suggested.
分析了影响液压支架移架速度的因素,提出了加快综采面顶板支护速度的方法和措施。
The impact factors on advancing supporting speed of hydraulic support are analyzed in this article, and the path and methods to accelerate roof support speed of combined mining face are suggested.
分析了影响液压支架移架速度的因素,提出了加快综采面顶板支护速度的方法和措施。
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