The influence to the coal floor and the overlying rock with different coal-pillar width is analyzed and compared;
通过理论和数值模拟的综合比较，得出合理的煤柱宽度。
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。
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。
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