发明名称 |
METHOD FOR FLOODED WATER-SOLUBLE MINERAL SALT DEPOSIT DEVELOPMENT |
摘要 |
FIELD: mining, particularly to develop water-soluble mineral deposit deposited in enclosing impermeable rock bordering on flooded rock. ^ SUBSTANCE: method involves mining mineral salt reserves with cutting and/or drilling-and-blasting methods in chambers to impart naturally stable vault shape to chamber cross-section; cutting chamber by driving technological heading in upper chamber part so that the technological heading has convex curvilinear roof inscribed in the naturally stable vault, wherein the technological heading may comprise lining and has parameters providing long-tern stability thereof. Current chamber width and safety pillar base width are determined from mathematical expressions. ^ EFFECT: increased mining safety along with retention of mineral salt production level. ^ 1 dwg |
申请公布号 |
RU2307935(C2) |
申请公布日期 |
2007.10.10 |
申请号 |
RU20050130615 |
申请日期 |
2005.10.03 |
申请人 |
STARTSEV VLADIMIR ANDREEVICH |
发明人 |
STARTSEV VLADIMIR ANDREEVICH |
分类号 |
E21C41/20 |
主分类号 |
E21C41/20 |
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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