• 本文倾斜煤层巷道支护方式选择支护效果监测等方面进行系统研究。

    This paper discusses the support selection of lasting gateways in steeply inclined seams, and evaluates the support effect.

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  • 通过对不同支护级别巷道因地制宜地采用不同支护方式降低支护成本

    It is concluded that support cost could be reduced when varied support means are used to justify workings of different support grades.

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  • 注浆锚索加固控制围岩变形保证巷道稳定一种支护方式

    Grouting and anchor cable reinforcement is a support way that controls the deformation of roadways and guarantees the steady of roadways.

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  • 通过巷道地质情况显现规律进行了详细分析结合支护理论现场实践,提出科学合理支护方式

    By analysing the geologic conditions and appear law of mining pressure for tunnel, combine support theory with practice, points out the reasonable and science support forms.

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  • 变形破坏多种原因造成,受软岩自身强度低、压力地下水支护方式支护质量综合性因素影响。

    The deformed destruction of soft rock is led by many reasons, such as the low intensity itself, the exploiting press, underground water, support and the quality of support etc.

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  • 得到锚杆联合支护适用巷道理想的支护方式

    That bolting or combined support way is good for this kind of tunnels is determined.

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  • 具有高应力变形支护工程特征单一支护方式难以控制围岩变形。

    Soft rock tunnels have the characteristics of high ground pressure and large deformation and are difficult to be supported. So they can not be easily controlled with single support method.

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  • 分析方法可以运用于其他矿山巷道选择合适支护方式加以分析改进具有经济、简单后处理能力强等优势

    This method can be applied in the other mining tunnel to select the appropriate supporting and then to be improved. It has advantages of low-cost, simplicity, high capacity of post-processing.

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  • 采用支护方式维护煤层放顶煤沿底回采巷道时,多数需要考虑锚索加固问题

    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.

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  • 河矿综采工作面巷道采用顺序开采的回采方式。选用7200/23/38 A型式支架巷道进行超前支护,实践中提出支护过程中存在的几点问题并提出了改进意见

    Sequential mining is utilized in the fully-mechanized face in Sihe mine. 7200/23/38A chock support is used in entry, some problems on its usage and related improvement opinions are put foreward.

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  • 通过有限元计算,分析南京栖霞山矿巷道稳定性以及巷道在不同支护条件应力场塑性情况,得出不同埋深时巷道和穿脉巷道较为合理支护方式

    The stress field and plastic zone of the main roadway and the branch roadway from 225 to 625 m depth below ground level of Qixiashan mining in Nanjing are studied by using finite element method(FEM).

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  • 通过有限元计算,分析南京栖霞山矿巷道稳定性以及巷道在不同支护条件应力场塑性情况,得出不同埋深时巷道和穿脉巷道较为合理支护方式

    The stress field and plastic zone of the main roadway and the branch roadway from 225 to 625 m depth below ground level of Qixiashan mining in Nanjing are studied by using finite element method(FEM).

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