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METHOD FOR PROTECTION OF MINE WORKINGS AGAINST EFFECT OF SECOND WORKING UNDER CONDITIONS OF UNSTABLE ROCKS

机译：在不稳定岩石条件下保护矿山工作免受二次工作影响的方法

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摘要

A method for protection of mine workings against effect of second working under conditions of unstable rocks relates to area of mining industry and can be used at protection of mine workings by protective coal pillars under conditions of unstable rocks.

机译：一种在不稳定岩石条件下保护矿井工作免受二次工作影响的方法，涉及采矿业领域，可用于在不稳定岩石条件下通过保护性煤柱保护矿井工作。

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公开/公告号UA49870U

专利类型
公开/公告日2010-05-11

原文格式PDF
申请/专利权人 UKRAINIAN STATE SCIENTIFIC-RESEARCH AND PROJECT-DESIGN INSTITUTE OF MINE GEOLOGY GEOMECHANICS ANDMINE SURVEY;
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申请/专利号UAU200912930U
发明设计人 DRIBAN VIKTOR OLEKSANDROVYCH;YUZHANIN ILLIA ANDRIIOVYCH;HOLDIN SERHII VITALIIOVYCH;TERLETSKYI OLEKSANDR MATVIIOVYCH;
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申请日2009-12-14
分类号E21D9/04;E21C41/18;
国家 UA
入库时间 2022-08-21 18:44:51

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