coal pillar width的意思|示意
煤柱宽度
coal pillar width的网络常见释义
煤柱宽度 文章详细信息 关键词: 沿空掘巷;;理论计算;;数值模拟;;煤柱宽度 [gap=702]Keywords: gob-side entry driving;theoretical calculation;numerical simulation;coal pillar width
coal pillar width相关短语
1、 coal-pillar width 煤柱宽度
2、 width of coal pillar 煤柱宽度
3、 rational width of coal pillar 煤柱合理宽度
coal pillar width相关例句
The study indicates that with the increase of the coal pillar width the peak mining stress delays its appearance and the increase of the displacement and stress are not synchronous.
研究表明,综放沿空留巷受采场矿压影响时间和程度随留巷煤柱宽度的增加表现出明显滞后现象以及位移和压力增长的不同步现象。
While the interfacial bond property is unchanged, the width of plastic zone of pillar increases with the increase of buried depth of coal seam.
当煤层顶底板粘结性能一定时,随煤层埋深的增加,煤柱塑性区宽度增加。
The opinion was put forward that the infection of roadway driving and coal mining need considered simultaneously when determination the reasonable width for coal pillar.
提出确定沿空掘巷合理煤柱宽度时,不仅需考虑掘巷扰动影响,还应将本工作面的超前采动影响作为一个重要影响因素。
The stability of goaf-side roadways depends on not only the abutment distribution, but also the fracturing degree of the coal seam and rock strata alone the pillar width.
一侧采空巷道稳定性不仅与支承压力分布有关,而且与煤体受破坏程度有关。
Through analyze the failure mechanism and structural feature of mine pillar and upside rock, the reasonable virgin coal width formula has been obtained.
通过对顺槽煤柱破坏失稳机理及煤柱上覆岩体的结构特征、垮落失稳机理的分析,提出了合理煤柱宽度的计算公式。
This paper analyzed and calculated width of coal pillar for driving roadway along gob.
对沿空掘巷时煤柱的留设问题进行了分析和计算。