| 预防采空区气体冲击灾害的密闭墙研究 |
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| 引用本文： | 张杰,李宇. 预防采空区气体冲击灾害的密闭墙研究[J]. 中国煤炭, 2010, 36(1) |
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| 作者姓名： | 张杰 李宇 |
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| 作者单位： | 1. 西安科技大学能源学院,陕西省西安市,710054
2. 中国煤炭进出口公司,北京市东城区,100011 |
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| 基金项目： | 陕西省教育厅专项科研计划项目(09JK599); 西安科技大学博士启动金项目(200801) |
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| 摘 要： | 建立了采空区永久密闭结构的计算模型,分析了密闭墙在气体的冲击作用下的受力状态,得到了其结构参数与受力状态的关系。利用有限差分软件FLAC3D进一步对永久密闭的强度进行了演算,研究成果在现场实际应用中取得了很好的效果。
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| 关 键 词： | 采空区 密闭墙 数值模拟 冲击灾害预防 |
On sealing wall to prevent air bursting disaster in gob areas |
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| Zhang Jie,Li Yu. On sealing wall to prevent air bursting disaster in gob areas[J]. China Coal, 2010, 36(1) |
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| Authors: | Zhang Jie Li Yu |
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| Affiliation: | Zhang Jie1,Li Yu2(1.School of Energy Engineering,Xi'an University of Science & Technology,Xi'an,Shaanxi province 710054,China,2.China National Coal Imports , Exports Corporation,Beijing 100011,China) |
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| Abstract: | With a calculation model set up for permanent sealing wall structure used in gob area,the stress state of the sealing wall structure under the condition of air bursting stress is analyzed and the relations between the structure parameters and the state of stress is obtained.The strength of the permanent dealing structure is further calculated by finite difference software and the research results achieve success in actual field application. |
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| Keywords: | gob area sealing wall numerical simulation bursting air disaster prevention |
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