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| 21. | Based on the basic research, the hidden cavity was detected in Changba Lead-zinc Mine with Ground Penetrate Radar and Rayleigh wave detector, and the detected result would provide technical support for safety mining. |
| 分析了各自相应的适用条件，并综合应用探地雷达法和瑞雷波法在厂坝铅锌矿进行了地下群采空区的现场探测，基本查明了试验采场采空区的分布情况，为后续的安全回采提供了技术支撑。 |
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| 22. | Testing and study on utilizing this technology for tightened filling in sill stope in Tonglushan Mine are presented in this paper. |
| 本文介绍了铜绿山矿全尾砂高水固化充填试验工艺，以及利用该技术实现底柱采场充填接项的试验研究。 |
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| 23. | According to the investigation of the rule of air flow at the stope, and applying the Technical method of the equal press fire prevention and pouring sand plasma, the author analyzed the feasibility of the exploitation under the fire area, and demonstrated it with examples. |
| 通过对采场风流流动规律的研究，找出火区漏风源和漏风汇；应用均压防火和注浆堵漏技术措施，对火区下开采技术的可行性进行了系统分析，并举出成功实例加以论证。 |
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| 24. | On the basis of several tests and the understanding of the on site geological conditions, several single-channel sound emitters were used in multipoint supervision, as a result, the difficult problem of the position prediction of stope roof fall has been solved. |
| 通过多次试验研究,在掌握现场地质情况的前提下,采用多台单通道声发射仪实现多点监测,较好地解决了采场冒顶的定位预报难题。 |
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| 25. | Based on the simulated laboratory experiment of pressure balance for fire extinguishing, the pressure regulating technique in the burning section of Meiyukou coal mine is summarized. |
| 在采场均压防灭火实验室模型模拟实验的基础上，总结了煤峪口矿现场实施火区的调压工艺技术。 |
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| 26. | another important consideration is the system of support and stabilization used in shafts, drifts and stopes. Heavy timbers are one common type of support; rock bolts in the roof and sides are most common type of support. |
| 另一个要考虑的问题是用于井筒、平巷以及采场的支护。坑木是一种普遍使用的支架。支护顶板和两帮的锚杆也是最常用的支架。 |
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| 27. | To enhance pit slope's stability and to effectively prevent the slope from subsidence, the mine takes a series of feasiblemeasures in the slope control such as callis concrete wall and cementpulp spraying, slide resistance piling and planting etc. |
| 为了加强采场边坡的稳定性，有效地防治边坡的塌陷和下滑，该矿在边坡管理方面采取了一系列切实可行的技术管理措施，如片石砼墙体、泥浆喷抹、架砌体、滑桩、草种树等。 |
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| 28. | In the stability graphical method, the basic property of rock mass is understood by engineering geology survey, the stability is analyzed at first, then the supporting parameters are determined, and the anchoring force is checked according to the type of cable-anchor. |
| 稳定性图解法通过岩体工程地质调查来掌握岩体的基本特性，首先对采场进行稳定性分析，在此基础上确定其支护参数，并针对具体锚索型号验算锚固力。 |
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| 29. | The ground base of the newly added chute in 4＃ tailings reservoir at Dexing Copper Mine is characterised by thick weathered layer,loose structure,fractured zone and landslip mass accumulation.As a result,the ground has a great subsidence and inefficient carrying capacity.In view of this, the grouting technology was adopted to reinforce the chute ground base.The on-site testing shows that the subsidence of the chute has been efficiently controlled and the carrying capacity of the ground base improved so that the stability requirement has been met. |
| 针对金山店铁矿余华寺采区的开采条件:拥有独立的开拓系统、产量不大、装备水平不高、矿岩松软破碎、地压大等,进行了无底柱分段崩落法采场结构参数的优化研究.通过室内物理、数值模拟和现场工业试验,探索出合理的分段高度 |
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