CN103291305B - 一种地采矿山快捷低成本人工假顶构筑方法 - Google Patents
一种地采矿山快捷低成本人工假顶构筑方法 Download PDFInfo
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CN106089275A (zh) * | 2016-06-24 | 2016-11-09 | 上海大屯能源股份有限公司江苏分公司 | 一种井工煤矿综采工作面用防冒顶结构及实施方法 |
CN109296366B (zh) * | 2018-10-19 | 2020-07-31 | 中南大学 | 一种上下皆存在高阶段大跨度采空区的残留顶柱的回收方法 |
CN110118089B (zh) * | 2019-05-23 | 2021-09-07 | 新疆大学 | 一种矿用frp格栅-煤矸石-自密实混凝土再生顶板及其施工方法 |
CN110259507B (zh) * | 2019-06-28 | 2021-08-10 | 山东新巨龙能源有限责任公司 | 一种井下不规则空间充填方法及发泡水泥制作方法 |
CN110410140B (zh) * | 2019-07-26 | 2020-11-10 | 内蒙古工业大学 | 一种大跨度人工假底及其制作方法 |
CN111878117B (zh) * | 2020-06-17 | 2023-06-16 | 中南大学 | 一种下向进路充填法人工假顶设施的构筑方法 |
CN113404532A (zh) * | 2021-07-14 | 2021-09-17 | 云南驰宏锌锗股份有限公司 | 一种下向式采矿膏体假底防脱落防护结构 |
CN113738367B (zh) * | 2021-09-02 | 2022-06-14 | 北京科技大学 | 一种复杂破碎急倾斜薄矿脉分段崩矿下向充填采矿法 |
CN114776373B (zh) * | 2022-06-20 | 2022-10-11 | 长春黄金研究院有限公司 | 薄矿脉采场人工假底及制作方法 |
CN115263417A (zh) * | 2022-09-01 | 2022-11-01 | 中煤第七十一工程处有限责任公司 | 一种下向进路充填采矿法人工假顶构筑工艺 |
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