PRC平巷人车由牵引机车牵引成列运行。
PRC drift car by traction locomotive traction into column operation.
本文主要介绍该设备引进煤矿平巷施工的经验。
This paper is mainly introduce the experience bring the equipment into colliery construct.
钾盐矿井水平巷道使用的探头长度达到200米。
The lengths of the probes used in horizontal hole in potassium mines were up to 200m.
实践证明,悬拱法是不稳定岩层中平巷掘进的有效施工方法。
The practices showed that the suspension arch method of drifting is an effective way of drifting in unstable strata.
根据测定结果,给出了沿空保留的611区段平巷围岩应力分布;
With the aid of data thus made available, a stress distribution in the surrounding rocks under investigation is obtained.
本文用可靠性理论,定量分析了平巷掘进装岩输机械系统的可靠性。
The paper according the theory of reliability, quantified analysis reliability of rock-loading transport mechanical system of gallery driving.
山东亨达煤业茅庄矿开采30多年来,形成了多个层平巷同时作业的情况。
Maozhuang mine of Shandong Hengda Coal Mining Limited Corporation has been mined for more than 30 years, and multiple levels of entries were formed.
采用理论分析的方法,对水平巷道火灾时期的烟气逆流现象进行了深入研究。
Deep study was made on reverse smoke flow during fire in the entry by theoretical analysis method.
在太平巷中碰到一位上了年纪老太太在做这种小孩子穿的老虎鞋。 全手工作品。
These are hand made shoes in Tiger style for children, people assume this kind of shoes will bring luck to children.
实践表明,采用单螺旋掏槽方式提高了平巷掘进爆破效率,取得了良好的经济效益。
The construction practice indicated that the blasting efficiency in drift was improved and good economic benefits were obtained by the adoption of single helix cutting mode.
本文以石嘴山二矿煤、岩巷的掘进施工为背景,对水平巷道单巷掘进技术进行了研究。
So we construct for the background by the Second Shizuishan Mining, tunneling of the coal road and rock drift, carried on research to single tunneling technique of the horizontal tunnel.
本文介绍了如何建立基于知识的平巷掘进爆破设计系统,用于辅助平巷掘进爆破设计。
This paper introduces how to set up a design system for drift excavating blasting based-on knowledge, and to use the system for assistant design of drift excavating blasting.
介绍了45 1工作面运输平巷的地质采矿条件及沿空留巷支护技术在该巷的应用情况。
The application of the geology mining condition and the gob-side entry support technology in haulage roadway No. 451 face are introduced.
本文从实用出发,把微机辅助设计方法应用于平巷掘进的瀑破设计之中,收到了预期的效果。
For practical purpose, the predetermined effect can be achieved by the application of microcomputer aided design to tunnel work designs.
一般情况下,在岩石平巷掘进工作面的涌水中,在多台凿岩机集中打眼之前,固体颗粒含量最少。
Under normal circumstances, Drifting in the rock face of the gushing water, in the concentration of multiple drill rock drill before the solids content of at least.
结果表明,巷道变形速度快、底鼓严重、巷道累计变形量大是首山一矿回风平巷变形的主要特征;
Results indicated that rapid rate, serious floor heave, large accumulative amount are the main features of tailgate deformation.
结果表明:762工作面开采对底板卸压应力基本是以线性降低,在 962工作面下平巷形成卸压;
The results show that floor relief stress of 762 working face exhibits a nearly linear decrease, and forms relief zone in the headgate of 962 working face.
岩石开挖后无支护而且安全的时间长度,即拱桥作用的时间,对于整个平巷掘进工艺循环有着很大的影响。
The length of time the rock safely can be left unsupported will greatly effect the overall drifting-operation cycle.
本文在总结先拱后墙平巷掘进经验的基础上,根据岩石力学理论和平巷掘进原理,提出了平巷掘进的悬拱法。
Based on the theory of rock mechanics and the principle of drifting, the author proposed the suspension arch method of drifting in unstable strata.
利用钻孔光学窥视装置及系统,探测了E1142轨道平巷顶板岩层动态破裂特征,统计分析了裂隙分布规律。
The strata dynamic cracking characteristics of E1142 haulageway in fractured roof were investigated by optical peephole device.
由于炮孔堵塞不牢和初始自由面利用不充分,井下平巷的掘进开挖爆破仍存在投入大、爆破结果欠理想等问题。
Because of the weak borehole sealing and inadequate use of the initial free face, the higher investment and unsatisfactory blasting effect still exist in the mine tunnel excavation blasting.
分析了平巷煤壁中预存裂纹尖端产生翼型张裂纹,形成薄煤层壳,薄煤层壳弯曲变形失稳引发冲击地压的机理。
The formation of thin coal shell that is formed by aerofoil cracks engendered at the tip of primary cracks in the entry's surrounding coal is analysed.
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。
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.
某矿4302轨道平巷原有的锚杆支护技术不能有效的发挥作用,导致部分巷道变形严重,维护条件差,维护费用高。
Original bolt-supporting technology of rail roadway 4302 played little role in supporting, so it led to severe deformation, bad maintaining conditions and high maintaining cost of roadway.
由于该巷道地质构造特殊,以6度斜坡向上开拓到800米后,还需继续向前平直开拓一段平巷,这就给提升造成很大困难。
As the geological structure of the roadway special, up to 6 degree slopes to open up to 800 meters, must continue to move straight to open up a Lane, which is very difficult to upgrade.
简述了板石矿业公司上青矿640主运输平巷在硐口段施工过程中,克服地质条件复杂、多变的现状,采用撞楔超前支架法施工,硐口掘凿获得成功。
The geological condition is complicated and varies often. Using the method of pre-support through hammering wedge, the cave mouth digging work of No. 640 main transportation channel was successful.
简述了板石矿业公司上青矿640主运输平巷在硐口段施工过程中,克服地质条件复杂、多变的现状,采用撞楔超前支架法施工,硐口掘凿获得成功。
The geological condition is complicated and varies often. Using the method of pre-support through hammering wedge, the cave mouth digging work of No. 640 main transportation channel was successful.
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