采场覆岩的“载荷三带”结构模型及其在防冲领域的应用

doi:10.13722/j.cnki.jrme.2016.0255

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摘要决定采场冲击地压的基础应力主要是重力和构造应力，诱发冲击的力源主要是采场上覆岩层结构运动产生的应力，而上覆岩层多变的结构形式和运动规律是导致冲击地压机制复杂、冲击形式各异的主要原因。通过研究采场边界条件与覆岩结构的关系，以矿山压力和岩层控制理论为基础，提出了影响采场冲击地压应力场的“载荷三带”岩层结构模型，并阐述了“载荷三带”对工作面侧向及走向支承压力的影响。基于“载荷三带”模型，研究了采场冲击危险性的评价、监测和防治方法。采用提出的“载荷三带”模型，能够对采场可能发生的冲击地压进行分类和危险性判定，为针对性治理冲击地压提供理论依据。

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	姜福兴1
	刘懿1
	张益超1
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	温经林1
	杨伟利1
	安洁3

关键词 ：采矿工程, 冲击地压, 覆岩结构, 支承压力, 载荷三带, 冲击危险性

Abstract：The self-weight stress and tectonic stress control the basic stress level of coal face，and the mining-induced stress caused by the moving of overlying strata contributes the most to the rock burst hazard. The multiple structures and movements of covering rock result in the complex mechanism and various types of rock and a burst. The relationship between the coal face boundary and overburden structure was studied，and a three-zone structure loading model was established. The influence of overlying rock structure on the stress field of rock burst was analyzed(mainly on the strike and dip abutment pressure induced by the movement of roof strata). According to the model，a monitoring and prevention method of rock burst was proposed. With the three-zone structure loading model，the type and grade and the risk of potential rock burst were classified.

Key words： mining engineering rock burst roof structure abutment pressure three-zone structure loading model rock burst hazard

引用本文:

姜福兴1，刘懿1，张益超1，2，温经林1，杨伟利1，安洁3. 采场覆岩的“载荷三带”结构模型及其在防冲领域的应用[J]. 岩石力学与工程学报, 2016, 35(12): 2398-2408.
JIANG Fuxing1，LIU Yi1，ZHANG Yichao1，2，WEN Jinglin1，YANG Weili1，AN Jie3. A three-zone structure loading model of overlying strata and its application on rockburst prevention. , 2016, 35(12): 2398-2408.

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https://rockmech.whrsm.ac.cn/CN/10.13722/j.cnki.jrme.2016.0255 或 https://rockmech.whrsm.ac.cn/CN/Y2016/V35/I12/2398

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