| 基于Double-Yield模型下采动影响对煤岩体应力影响机理研究 |
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| 引用本文： | 李少华,石磊,张翔. 基于Double-Yield模型下采动影响对煤岩体应力影响机理研究[J]. 煤炭技术, 2019, 0(3): 47-51 |
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| 作者姓名： | 李少华 石磊 张翔 |
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| 作者单位： | 潞安环能股份公司常村煤矿;中国矿业大学(北京)资源与安全工程学院 |
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| 摘 要： | 采用Mohr-Coulomb本构模型模拟其他岩层,采用Double-Yield模型模拟采空区,通过Salamon公式确定充填材料的应力应变关系曲线,并且通过对单元体进行加载得出曲线与其进行拟合得出充填材料的参数。同时对比采空区采用Null模型和Double-Yield模型在垂直应力,塑性区,以及模型底板的应力记录曲线的不同。得出采用Double-Yield模型能较真实反应矿井采空区垮落的真实情况。
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| 关 键 词： | Double-Yield模型 充填材料 Salamon公式 采空区 |
Study on Influence Mechanism of Coal Mining Influence on Stress of Coal Mass Based on Double-Yield Model |
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| LI Shao-hua,SHI Lei,ZHANG Xiang. Study on Influence Mechanism of Coal Mining Influence on Stress of Coal Mass Based on Double-Yield Model[J]. Coal Technology, 2019, 0(3): 47-51 |
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| Authors: | LI Shao-hua SHI Lei ZHANG Xiang |
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| Affiliation: | (Changcun Coal Mine, Lu'an Environmental Energy Co., Ltd., Changzhi 046102,China;School of Resources and Safety Engineering, China University of Mining and Technology (Beijing),Beijing 100083,China) |
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| Abstract: | LI Shao-hua;SHI Lei;ZHANG Xiang(Changcun Coal Mine, Lu'an Environmental Energy Co., Ltd., Changzhi 046102,China;School of Resources and Safety Engineering, China University of Mining and Technology (Beijing),Beijing 100083,China) |
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| Keywords: | Double-Yield model filling material Salamon formula goaf |
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