coal pillar
- coal pillar的基本解释
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煤柱
- 更多网络例句与coal pillar相关的网络例句 [注:此内容来源于网络,仅供参考]
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This paper introduces new technology with minor diameter resin grouting combined anchor pretensional cable anchor under small coal pillar ,structure and mining-induced in S520 main haulageway of Changcun coal mine,it analyzes reinforcing results of roadway and evaluates technical economical results.
常村煤矿S52 0运输大巷在小煤柱、构造和采动多重影响条件下,采用小直径树脂注浆联合锚固预应力锚索新技术;分析和评价了巷道加固效果和技术经济效
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In this paper,the deformation law of supporting coal pillar at Sanbula district is analyzed by using numerical simulation and the reasonable size of coal pillar and the parameter of bolt in the entry is got.
采用数值模拟方法对天隆集团公司三不拉采区支撑煤柱的变形规律进行分析,得出了该采区的合理支撑煤柱尺寸以及巷道锚杆支护参数,对设计和施工有参考作用。
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In order to determine the size of coal pillar scientifically and reasonably, we mainly studied the law of stress distribution of the surrounding rock and the mechanism of narrow pillar drift and high strength bolt support and so on, indicating that using the narrow pillar drift and high strength bolt support can effectively guarantee the stability of gob-side entry in deep mine.
为科学合理地确定煤柱尺寸,保证沿空巷道的稳定,研究了沿空巷道的围岩应力分布规律、小煤柱护巷机理以及高强锚杆支护。从理论上证明了采用小煤柱护巷及高强锚杆支护方式理论上能够有效地保证深井沿空巷道的稳定。
- 更多网络解释与coal pillar相关的网络解释 [注:此内容来源于网络,仅供参考]
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coal pit:煤矿,煤窑
coal pillar thrust | 煤柱压碎 | coal pit | 煤矿,煤窑 | coal plant | 煤中所含的树木化石
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coal pile trimmer:煤堆修整器
coal picker ==> 选煤机 | coal pile trimmer ==> 煤堆修整器 | coal pillar thrust ==> 煤柱压碎
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coal pinch out:煤层尖灭
coal pillar thrust ==> 煤柱压碎 | coal pinch out ==> 煤层尖灭 | coal pit ==> 煤坑,煤矿