CN111852478B - 留设h形间柱结构的厚大稳固矿体充填开采方法 - Google Patents
留设h形间柱结构的厚大稳固矿体充填开采方法 Download PDFInfo
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- CN111852478B CN111852478B CN202010844251.3A CN202010844251A CN111852478B CN 111852478 B CN111852478 B CN 111852478B CN 202010844251 A CN202010844251 A CN 202010844251A CN 111852478 B CN111852478 B CN 111852478B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/22—Methods of underground mining; Layouts therefor for ores, e.g. mining placers
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- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
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CN112412456B (zh) * | 2020-12-16 | 2022-08-23 | 铜陵有色金属集团股份有限公司 | 一种适用于厚大矿体竖向连续回采的“曰”字型采矿方法 |
CN114396281B (zh) * | 2022-01-27 | 2022-10-28 | 中钢集团马鞍山矿山研究总院股份有限公司 | 一种地下矿山组合式采矿方法 |
CN114396280B (zh) * | 2022-01-27 | 2022-10-28 | 中钢集团马鞍山矿山研究总院股份有限公司 | 一种先后采用分段空场法、阶段空场法采矿的井下结构布置方式 |
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CN102011589B (zh) * | 2010-10-29 | 2012-10-10 | 中钢集团马鞍山矿山研究院有限公司 | 一种适于井下二步骤回采的采场底部结构及其生产工艺 |
CN104373125B (zh) * | 2014-09-11 | 2016-05-25 | 长沙矿山研究院有限责任公司 | 两步骤上向高分层袋装充填采矿法 |
CN106223958B (zh) * | 2016-08-10 | 2017-09-29 | 山东华联矿业股份有限公司 | 倾斜中厚矿体分区凿岩阶段落矿嗣后充填协同采矿法 |
CN109723441A (zh) * | 2019-01-29 | 2019-05-07 | 福州大学 | 控制地压房柱两步骤机械化协同高分段无固废开采工艺 |
CN109882173A (zh) * | 2019-04-30 | 2019-06-14 | 长沙有色冶金设计研究院有限公司 | 厚大矿体沿垂直方向两步骤回采采场充填系统及充填方法 |
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