Applying small pillar to protecting roadway is a wide used layout in mining roadway.
小煤柱护巷是工作面上风巷普遍采用的一种布置方式。
The deformation of mining roadway which caused by the mining is produced mainly by the abutment pressure.
在回采引起的巷道变形中,回采引起的支承压力是主要因素。
The wall rock of mining roadway in Xishimen Iron Ore Mine was seriously deformed and broken in complex forms.
西石门铁矿回采巷道围岩变形破坏严重,破坏形式复杂。
Selecting support pattern is an important component in support design for mining roadway in fully mechanized caving face.
选择支护形式是综放回采巷道支护设计的重要内容。
With the object of wall rock in mining roadway, its stability classification and support technology are studied in detail.
本文以回采巷道围岩为研究对象,对其稳定性分类及其支护对策进行了深入细致的研究。
This paper introduces a method used to forecast the attitude and character of buried fault and its position and displacement in front of mining roadway.
介绍了一种利用断层影响带参数对掘进巷道前方隐伏断层的产状、性质、断层位置、断距进行超前预测的方法。
The bolting with wire mesh is commonly used actual mining roadway of the thick coal seam, and in some cases the cabling reinforcement should be considered.
采用锚网支护方式维护厚煤层放顶煤沿底回采巷道时,多数需要考虑锚索加固问题。
Expounded support key problems of soft rock actual mining roadway and probed into the support pattern along with improvement support methods for mining roadway.
阐述了软岩层回采巷道支护的关键问题,对不同岩性的回采巷道支护方法及改进方向进行了初步探索。
Some deformation features that have not been discovered before are found. There are two peaks of displacement in strip mining roadway, and their lag distance is longer.
发现了一些前人未曾揭示的规律,条采巷道闭合变形将出现两个极值,其距离大于普通开采巷道,因此,巷道应在前方峰值压力第二次采动影响时加强支护。
Study was conducted on the roof of No. 3604S4 coal face and the actual mining roadway with fractals, and a few kinds of functional values of subsidence velocity of this face were obtained.
用分形对3604S4工作面和回采巷道顶板进行了研究,得到了该工作面下沉速度的几种分维值。
The combined support with cable bolt wire mesh and shotcreting is applied in coal roadway in Xingan coal Mine of Hegang Mining Industry Group.
鹤岗矿业集团兴安煤矿在煤巷中应用锚索锚杆挂网喷喧支护,取得了较好的技术经济效果。
Many dynamic disturbances often lead to local instability of roadway surrounding rock and mining workplace and result in rock burst in coal mining.
煤矿生产中存在着大量的动力扰动,常导致采矿巷道和采场围岩局部失稳,诱发冲击矿压发生。
Optimizing roadway arrangement way unceasingly, reducing the tunnel drivage ratio is an important task in the mine mining design process.
不断优化巷道布置方式,降低巷道掘进率,是矿井开采设计过程中的一项非常重要任务。
By analysing the hydrology, geology and other conditions of the three mining sections, we optimize the roadway layout of the three districts and decide to adopt the plan of combined roadway layout.
通过对三个采区水文、地质等情况的分析,对三个采区巷道布置方案进行优化,确定了采用联合布置。
The relationship between roadway recharge and the depth, the relationship between the discharge from various levels and total discharge changed with the mining depth, are water yield of mine analyzed.
对巷道涌水量与巷道位置深度的关系,不同水平巷道涌水量以及矿坑总涌水量随开采深度的变化关系进行了理论分析。
It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinwen coal mine area.
对新汶矿区深部煤巷支护形式的和支护参数的选择具有一定的指导意义。
According to analysis of soft rock roadways in some mining area, offered some measures and Suggestions for increasing soft rock roadway support quality.
在分析几个矿区软岩巷道支护情况的基础上,提出了提高支护质量的可行措施与建议。
On-the-spot investigation was made on the basic parameters of gas drainage in drivage roadway in Huainan Coal Mining Area, and reasonable arrangement range of rib bore-holes an...
现场考察了淮南矿区掘进巷道瓦斯排放的基本参数,确定了巷帮钻孔的有效布置范围和合理抽放时间。
Roof falling, floor heave of roadway and pillar failure are important problems of rock mechanics in mining process.
顶板冒落、巷道底鼓和矿柱破坏是采矿过程中的重要岩石力学问题。
The roadway excavation and supporting are crucial techniques in mining engineering.
巷道掘进与支护是采矿工程的技术关键。
Liangjia Coal Mine in Longkou mining area is a typical "three-soft" mining area, meeting many difficulties in roadway support.
龙口矿区梁家煤矿是典型的“三软”矿区,在巷道支护上遇到了非常大的困难。
The roadway manage, actual mining and support beside roadway in thin coal seam are introduced. Through planing reliable safety technology measures, better economic benefit has been achieved.
简要地介绍了薄煤层前进采煤的巷道布置、回采工艺及巷旁支护等,制定了切实可行的安全技术措施,取得较好的经济效益。
In 3225a mine roadway as an example, summed up the roadway deformation law, proposed an inter-mining floor roadway maintenance methods, inspected the maintenance effect to a certain extent learn.
以某矿3225大巷为例,总结了巷道围岩变形规律,提出了跨采底板巷道维修方法,考察了维修效果,具有一定借鉴意义。
With the increase of mining depth, the problem of floor heave of roadway could become more and more serious.
随着开采深度的不断增加,巷道底鼓问题日趋严重。
The influence of mining on the advance roadway of working face is analyzed with numerical simulation and the rational advance supporting method and parameters of working face are confirmed.
并通过计算机数值模拟及优化,分析了工作面预掘巷受采动影响的作用,确定了合理的工作面预掘巷支护方案与支护参数;
It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinw...
对新汶矿区深部煤巷支护形式的和支护参数的选择具有一定的指导意义。
New supporting technology and materials developed for coalmine mining not only satisfies the technical demands for roadway mesh support, but also decreases the supporting cost.
为煤矿生产研制开发的新的支护技术和材料,满足了煤巷锚网支护的技术要求,降低了支护成本。
The coal roadway driving is a "bottleneck" problem of influencing and restricting the normal replacement of mining and driving in the outburst mines.
煤巷掘进一直是影响和制约突出矿井采掘正常接替的“瓶颈”问题。
The coal roadway driving is a "bottleneck" problem of influencing and restricting the normal replacement of mining and driving in the outburst mines.
煤巷掘进一直是影响和制约突出矿井采掘正常接替的“瓶颈”问题。
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