[1]孙建.大采高综采工作面支架选型安全性分析[J].中国安全生产科学技术,2014,10(10):148-153.[doi:10.11731/j.issn.1673-193x.2014.10.025]
SUN Jian.Safety analysis of hydraulic support selection in fully-mechanized workface with large mining height[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2014,10(10):148-153.[doi:10.11731/j.issn.1673-193x.2014.10.025]
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大采高综采工作面支架选型安全性分析
SUN Jian.Safety analysis of hydraulic support selection in fully-mechanized workface with large mining height[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2014,10(10):148-153.[doi:10.11731/j.issn.1673-193x.2014.10.025]
《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]
- 卷:
- 10
- 期数:
- 2014年10期
- 页码:
- 148-153
- 栏目:
- 职业安全卫生管理与技术
- 出版日期:
- 2014-10-31
文章信息/Info
- Title:
- Safety analysis of hydraulic support selection in fully-mechanized workface with large mining height
- Keywords:
- large mining height; fully-mechanized workface; hydraulic support selection; roof fall and hydraulic support jammed
- 分类号:
- X936，TD76
- 文献标志码:
- A
- 摘要:
- 为了确保大采高综采工作面支架选型的安全性，根据大采高综采工作面支架呈现以静载荷为主的特点，建立了大采高综采支架受静载荷的工作阻力计算力学模型，并应用于现场大采高综采支架选型的安全性分析。大采高综采工作面支架工作阻力随工作面推进距离变化规律的现场监测表明：以4倍采高覆岩重量计算的静载荷工作面支架工作阻力能够控制大采高覆岩运动的矿压显现，满足工作面支架选型的可靠性，保证大采高工作面的安全高效开采。最后，通过采取一定的技术措施来弥补2-504大采高综采工作面选型支架额定工作阻力不足的安全隐患，以期实现大采高综采
- Abstract:
- In order to guarantee the reliability of hydraulic support selection in fully-mechanized workface with large mining height, based on the characteristic of static load distribution acting on the hydraulic support in fully-mechanized workface with large mining height, a computational mechanics model for working resistance of hydraulic support with static load in fully-mechanized workface with large mining height was established, and the model was applied in the safety analysis of on-site hydraulic support selection in fully-mechanized workface with large mining height. The monitoring results of the relationship between working resistance and workface advanced distance indicated that the working resistance of hydraulic support under the overlying strata weight of 4 times mining height could control the mine strata pressure behavior of overlying strata in fully-mechanized workface with large mining height, which could meet the reliability of hydraulic support selection and ensure the safety and high efficiency mining in fully-mechanized workface with large mining height. Finally, by taking certain technical measures to make up the hidden danger of the inadequate working resistance of hydraulic support, the safety and high efficiency mining in 2-504 fully-mechanized workface with large mining height was realized.
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备注/Memo
- 备注/Memo:
- 中国博士后科学基金项目(2013M540478)；国家重点实验室开放基金项目(SKLGDUEK1212)；安徽理工大学青年教师科学研究基金项目
