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- hetemgeneons goaf 采空区自燃
- The coal spontaneous combustion in the goaf is one of the main coal disasters. 采空区煤炭自燃火灾一直是我国煤矿的主要灾害之一。
- The paper presents a new way of grouting in discrete zone and stowing in goaf. 充填开采增加矿井设备和生产成本,且充填材料来源在某些矿区比较缺乏。
- This method has the advantage in the modeling of complex models such as goaf. 在建立如采矿区这样的复杂模型时，这种方法显得很有优势。
- Groundwater, surface water, goaf and settlement of loess are induction factors. 地下水、地表水、采空和黄土湿陷性只是诱导因素。
- Slope hazards risk evaluation on Spontaneous ignition of goaf was conducted. 摘要针对采空区自然发火进行了危险性评价。
- Basedon the application of the theory and the cite test, the laws of methane movement in sublevl cav-ing face and goaf are studied. 应用该理论结合现场试验，研究综放开采顶煤瓦斯和采空区瓦斯运移规律及工作面瓦斯涌出规律。
- Gas overflowed in wood road413 of this mine is through the link- roadway caused by goaf gas discrarging. 该矿413机巷后路瓦斯超限是采空区瓦斯通过联络巷泄漏所致。
- The determinant criteria of the stability of roadbed is mainly ground surface deformation caused by mine goaf collapse. 采煤空区坍塌引起的地表移动与变形是确定路基稳定性的主要依据.
- Furthermore, th e cycle of water pouring into the goaf is especially investigated. 此外，还对往采空区注水的周期进行了专门的研究。
- The law of goaf gas outburst is summed up.The directed measures are adopted.The obvious effect is obtained. 鄂庄煤矿通过分析总结采空区瓦斯涌出的规律,采取了针对性防治措施,并取得了明显的效果。
- The influence imposed by drainage lane to goaf gas distribution is much larger in goaf's top layer than in underlayer. 泄排巷对采空区瓦斯分布的影响上层比下层更大。
- The exploration result basically accords with the geologic profile of coal field bores and bore validating of goaf. 探测结果与煤田钻孔地质剖面图、采空区钻孔验证基本吻合。
- The gradual settlement above old goaf threatens the safety of surface buildings. 采空区造成地层缓慢沉陷,严重地威胁着地表建筑物的安全。
- To friable rock mass in the goaf,numeric model using the 3-D finite difference method is established to analyze it. 针对采空区内的松散岩体,运用三维有限差分法建立了数值模型对其进行分析;研究结果表明,在不同埋深条件下松散岩体的应力呈直线变化;
- It suggests that studying goaf gas flow patterns applying CFD model is one of the feasible methods. 同时表明：采用CFD模型研究采空区瓦斯流动规律是可行的方法之一。
- There are many factors influencing spontaneous combustion in goaf, and their relative essentialities are different. 采空区自然发火的影响因素很多,各因素之间的相对重要性不同。
- Gas overflowed in wood road 413 of this mine is through the link - roadway caused by goaf gas discrarging. 该矿413机巷后路瓦斯超限是采空区瓦斯通过联络巷泄漏所致。
- In order to obtain a good result of gas drainage in gob roof, the control methods of gas from goaf are discussed. 摘要为了在采空区顶板实施瓦斯抽放技术获得较高的瓦斯抽放效果，对采空区瓦斯治理方法进行了探讨。
- This method can be used generally to divide "three zones" of the depressing zones overlying a goaf. 此方法可普遍用于采空区上覆岩层的“三带”划分。
