发明名称 |
DEVELOPMENT METHOD OF MINERAL RESOURCES AT OPTIMUM PARAMETRES |
摘要 |
FIELD: mining. ^ SUBSTANCE: method consists in maintaining the stable state of worked-out area with inter-chamber support pillars; at that, sizes of inter-chamber support pillars are determined from actual pressure of rocks on them, which are located inside the natural arch in its final position, and the pillar located at the joint of natural arches is determined considering the pressure on abutments of arches of those rocks which are located above the outlines of natural arches. ^ EFFECT: reducing the losses of developed mineral resources and improving the safety of mining operations. ^ 2 dwg |
申请公布号 |
RU2415265(C2) |
申请公布日期 |
2011.03.27 |
申请号 |
RU20090103761 |
申请日期 |
2009.02.05 |
申请人 |
UCHREZHDENIE ROSSIJSKOJ AKADEMII NAUK INSTITUT PROBLEM KOMPLEKSNOGO OSVOENIJA NEDR ROSSIJSKOJ AKADEMII NAUK (URAN IPKON RAN) |
发明人 |
TRUBETSKOJ KLIMENT NIKOLAEVICH;IOFIS MOISEJ ABRAMOVICH;MILETENKO IGOR' VASIL'EVICH;ROZHKO ANATOLIJ ANATOL'EVICH;POSTAVNIN BORIS NIKOLAEVICH;MILETENKO NATAL'JA ALEKSANDROVNA;KIRKOV ALEKSEJ EVGEN'EVICH |
分类号 |
E21C41/16 |
主分类号 |
E21C41/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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