煤巷快速掘进有综掘和炮掘两种方法。
Coal lane driving includes complex driving and blasting driving.
文中相应阐述了煤巷锚杆支护形式选择原则。
The paper also describes the principle of rocks bolting in coal roadways.
论文建立了用于煤巷自燃研究的几何场效模型;
This paper has set up a geometric model for the purpose of studying of spontaneous combustion of coal pillar.
介绍了煤巷掘进工作面局部通风管理方法及管理经验。
The paper intrtroduced some partial ventilation management methods at driving face in coal tunnel.
文章对“孤岛面”全煤巷锚杆支护技术应用做了简要介绍。
This paper briefly introduces the application of pin timbering of full coal road in "islet faces".
掘进煤巷工作面应力“三带”分布对延时突出起着关键作用。
The "three area" distribution of stress in coal driving is a key factor for delaying the outburst.
为此,提出了我国当前煤巷锚杆支护的研究重点与改进途径。
Therefore, research trends and improvement approach are put forward at the end of this paper.
突出煤层煤巷掘进防突直接关系到煤矿的安全生产和采掘接替。
Outburst prevention technique of excavating in coal seam will be directly concerned colliery safety production and excavates taking over.
分析了煤巷锚杆支护施工中出现的问题,提出了相应的解决措施。
This paper analyzes the problems appearing in the bolt support construction of coal roadway, and advances some solving measures.
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.
超前钻孔是煤与瓦斯突出矿井中煤巷掘进工作面的局部防突措施之一。
Advancing hole is one of local prevent outburst measure at coal road heading face in coal-and-gas outburst mine.
本文研究了卸载孔及向掌子面注水对煤巷掘进头岩石应力状态的影响。
The effect of stress-releasing hole and water injection to the face on rock stress state around gateway driving face has been studied in this paper.
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。
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。
It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinw...
文章通过对永华煤矿“三软煤层”煤巷矿压规律进行分析,提出了支护方案。
This paper puts forward support plan through analyzing strata behavior regularity of coal roadway in seam with soft roof, soft coal and soft floor.
从片帮型冲击矿压发生的机理出发,分析了煤层煤巷采用锚杆支护减冲的机理。
Based on the occurring mechanism of slough rock burst, the mechanism to weaken shock with bolt support in coal roadway is analyzed.
现场经验及模型实验表明,煤巷锚杆支护中有时出现锚固体的弯曲突变失稳现象。
Field experience and similar material simulation indicate that there is the bending catastrophe phenomenon of anchor roof beam in bolting roadway sometimes.
煤巷顶板多数是岩体强度较低的沉积岩,层状岩体结构是沉积岩的主要特征之一。
Most rock roof of roadway is sediment rock, so its intensity is low, the stratification is a common rock mass structure in coal mines.
马念杰,高谦。煤巷锚杆支护可靠性设计。煤炭科学基金项目鉴定材料,1997。
Ma Nianjie, Gao Qian. Reliability design of bolt supporting in coal drift. Project Identification Material of coal Science Fnd, 1997.
连续流量法煤巷突出预测系统是一种以嵌入式计算机为核心的新型动态突出预测方法。
The forecast system of outburst of coal laneway with method of continuous flow is a new and dynamic method of outburst forecast which taking embedded computer as core.
这些结论对于检测煤层瓦斯抽放率以及合理确定煤巷的维护周期具有重要的参考价值。
These conclusions aid to measure drainage rate of gas and fixing on maintenance period of coal laneway.
阳泉固庄煤矿根据多年来施工实践经验,分析光面爆破在煤巷锚杆支护施工中的应用。
According to the construction experience of Guzhuang coal Mine in Yangquan City for many years, the paper analyses the application of smooth blasting in coal laneway bolting.
锚杆支护在煤巷支护方面,较型钢支护程度不同地节约了支护费用,经济效益明显提高。
In roadway support, bolt support saves cost of support over profile steel, economic performance is distinctly improved.
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。
The combined support with cable bolt wire mesh and shotcreting is applied in coal roadway in Xingan coal Mine of Hegang Mining Industry Group.
阐述了煤巷临时支护现用方法存在的不足和隐患,提出了采用新支护方法的优点和安全性。
Expounds the existing problem of coal tunnel temporary support, put forwards the advantage and safety of new method.
在井下用瑞利波方法探测下部煤层、超前探测煤巷、岩巷前方的构造,取得了满意的效果。
In underground coal mines, Rayleigh wave method was used to detect lower coal seam and structures ahead roadways and produced satisfactory results.
朱小姐,梅耶在煤巷小学的同事,就像梅耶的其他同伴一样,没有人会知道什么是她的动力。
Miss Zhu, Meyer's co-teacher at Coal Lane Elementary, is his almost constant companion, but who knows what makes her tick?
介绍了煤巷锚杆支护在动压区留巷的实践,并通过观测及数据分析,得出了有借鉴意义的结论。
The practice of bolt support in reserved coal drift in mining pressure area is introduced, helpful conclusion is obtained through observation and analyse.
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。
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。
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.
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