玉华煤矿330kV高压线塔下采煤可行性分析

Inner Mongolia Coal Economy(2019)

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Abstract
为实现玉华煤矿高压输电线路下三、四盘区的安全开采,分别提出全部开采方案和2个限厚开采方案,采用概率积分方法对各方案引起的地表移动变形进行了预计,以线塔地表倾斜、水平变形作为控制指标分析了方案的技术可行性.分析认为,输电线路保护煤柱范围内采取限厚开采方案可将线塔变形控制在允许限值以内,在采取一定的维护措施后均能保证输电线路的安全运行.
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