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[1]杨磊,邱景平,邢军,等.高窄型充填采场内的拱效应及应力分布状态研究[J].中国安全生产科学技术,2016,12(7):22-26.[doi:10.11731/j.issn.1673-193x.2016.07.004]
　YANG Lei,QIU Jingping,XING Jun,et al.Study on arching effect and stress distribution state in high-narrow filling stope[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2016,12(7):22-26.[doi:10.11731/j.issn.1673-193x.2016.07.004]
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高窄型充填采场内的拱效应及应力分布状态研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
12
期数:
2016年7期
页码:
22-26
栏目:
学术论著
出版日期:
2016-07-30

文章信息/Info

Title:
Study on arching effect and stress distribution state in high-narrow filling stope
作者:
杨磊; 邱景平; 邢军; 孙晓刚
（东北大学 资源与土木工程学院，辽宁 沈阳 110819）
Author(s):
YANG Lei;  QIU Jingping;  XING Jun;  SUN Xiaogang
(School of Resources & Civil Engineering, Northeastern University, Shenyang Liaoning 110819, China)
关键词:
充填采矿法; 高窄型充填采场; 拱效应; 应力状态; 马斯顿理论; 数值模拟
Keywords:
filling mining method;  high-narrow filling stope;  arching effect;  stress state;  Marston theory;  numerical simulation
分类号:
X913
DOI:
10.11731/j.issn.1673-193x.2016.07.004
文献标志码:
A
摘要:
以地下矿山充填采场为研究对象，采用理论分析与数值模拟相结合的方法，对高 窄型垂直和倾斜充填采场内的拱效应及应力分布状态进行了研究。研究结果表明：实例 中高窄型采场内充填体的自重应力为1.06 MPa，经拱效应转移后，底板处的垂直应力仅 为0.35 MPa ；改进的马斯顿理论计算倾角小于80°的充填采场应力分布情况时结果偏 大；采场倾角越大，高窄型充填体内拱效应越明显，靠近围岩两帮处的应力值也越大， 而采场中线处的水平应力几乎不受影响。对高窄型采场内充填体的目标强度进行设计时 ，应考虑拱效应对其自重应力的转移作用，以降低相关经济技术指标。
Abstract:
Taking the filling stope in underground mine as the object of study, the arching effect and stress distribution state in vertical and inclined high-narrow filling stope were studied by using the combined method of theoretical analysis and numerical simulation. The results showed that the self-weight stress of filling body in high-narrow stope of practical case was 1.06 MPa, while after the transfer of arching effect, the vertical stress on the floor was only 0.35 MPa. The calculation results on the stress distribution state in filling stope with the dip less than 80 by improved Marston theory were too large. The largers the dip of stope, the more obvious the arching effect in high-narrow filling body, and the larger the stress close to both sides of surrounding rock, while the horizontal stress on the central line of stope was almost unaffected. When designing the target strength of filling body in high-narrow filling stope, the transfer action of arching effect on its self-weight stress should be considered to reduce the related technical and economic indexes.

参考文献/References:

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备注/Memo

备注/Memo:
“十二五”国家科技支撑计划项目（2011BAB07B02，2012BAJ17B01， 2012BAJ17B02）
更新日期/Last Update: 2016-08-04