[1]王松阳,李树刚,王红胜.水渗流对薄层复合顶板的弱化影响[J].西安科技大学学报,2012,(06):686-690.
 WANG Song-yang,LI Shu-gang,WANG Hong-sheng.Weaken influence of water seepage onthin-layer compound roof[J].Journal of Xi'an University of Science and Technology,2012,(06):686-690.
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水渗流对薄层复合顶板的弱化影响(/HTML)
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2012年06期
页码:
686-690
栏目:
出版日期:
2012-12-31

文章信息/Info

Title:
Weaken influence of water seepage onthin-layer compound roof
文章编号:
1672-9315(2012)06-0686-05
作者:
王松阳李树刚王红胜
西安科技大学 能源学院,陕西 西安 710054
Author(s):
WANG Song-yangLI Shu-gangWANG Hong-sheng
College of Energy Science and Engineering,Xi'an University of Science and Technology,Xi'an 710054,China
关键词:
数值模拟 薄层复合顶板 离层冒落
Keywords:
numerical simulations thin-layer compound roof separation caving
分类号:
TD 353
文献标志码:
A
摘要:
结合东荣二矿17#煤层顶板实际情况,运用Flac2D数值模拟软件对巷道开挖进行模拟分析,研究水渗流对巷道顶板围岩的弱化影响。研究结果表明,薄层复合顶板围岩在渗水后结构自承能力迅速下降,巷道变形速度逐渐加快,最终引发薄层复合顶板离层冒落。研究结论对该矿及类似开采条件的矿井顶板支护及事故预防有重要的理论指导意义。
Abstract:
Combined with 17# roof of Dongrong 2nd mine, the numerical simulation software of Flac2D is used to analyze the excavation of roadway, research on weaken influence of water seepage on thin-layer compound roof. The conclusions are as follow:bearing mechanical properties of rock mass structure of thin-layer compound roof have reduced quikly after the water seepage, the deformation speed of the roadway keeps up, eventually lead to thin-layer compound roof take fell and separation caving.It is of important role for the roof support program and accident prevention for this and other mine's roof like Dongrong 2nd mine.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2012-07-10
基金项目:国家自然科学基金(50574072)
通讯作者:王松阳(1984-),男,河南漯河人,硕士研究生,主要从事巷道顶板支护研究.
更新日期/Last Update: 1900-01-01