以某矿3225大巷为例，总结了巷道围岩变形规律，提出了跨采底板巷道维修方法，考察了维修效果，具有一定借鉴意义。

In 3225a mine roadway as an example, summed up the roadway deformation law, proposed an inter-mining floor roadway maintenance methods, inspected the maintenance effect to a certain extent learn.

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文章介绍了在煤柱中确定巷道位置的方法及巷道的维修措施。

This paper introduced methods to select tunnel position and maintain measures for the tunnel in small coal pillar.

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大采深巷道变形问题日益严重，巷道需要多次维修增加支护成本、安全难以保证。

The deep roadway deformation problem is becoming increasingly serious, much maintenance increases support costs and security is difficult to guarantee.

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