High-stress carnallite ore bed roadway composite supporting structure and method
The invention relates to a high-stress carnallite ore bed roadway composite supporting structure and method, and belongs to the technical field of roadway supporting. The high-stress carnallite ore bed roadway composite supporting structure and method aim at solving the problem that the supporting c...
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| creator | GAO HONGBO ZHANG JIANSHENG SANG ZONGQI LIAO BO WANG QINGLONG ZANG LIYAN YANG ZEJIN LI TAO |
| description | The invention relates to a high-stress carnallite ore bed roadway composite supporting structure and method, and belongs to the technical field of roadway supporting. The high-stress carnallite ore bed roadway composite supporting structure and method aim at solving the problem that the supporting capacity is insufficient when a carnallite ore bed roadway supporting structure encounters with highstress. According to the technical scheme, the supporting structure with anchor net spraying as an outer protective layer, a shrinkable U-shaped steel shed as a middle protective layer and concrete pouring as an inner protective layer is adopted; and the integrated composite supporting structure is formed by the outer protective layer, the middle protective layer and the inner protective layer, and efficient supporting of a high-stress carnallite ore bed roadway is achieved. The high-stress carnallite ore bed roadway composite supporting structure and method have the beneficial effects of being stable in structure, hi |
| format | Patent |
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The high-stress carnallite ore bed roadway composite supporting structure and method aim at solving the problem that the supporting capacity is insufficient when a carnallite ore bed roadway supporting structure encounters with highstress. According to the technical scheme, the supporting structure with anchor net spraying as an outer protective layer, a shrinkable U-shaped steel shed as a middle protective layer and concrete pouring as an inner protective layer is adopted; and the integrated composite supporting structure is formed by the outer protective layer, the middle protective layer and the inner protective layer, and efficient supporting of a high-stress carnallite ore bed roadway is achieved. 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The high-stress carnallite ore bed roadway composite supporting structure and method aim at solving the problem that the supporting capacity is insufficient when a carnallite ore bed roadway supporting structure encounters with highstress. According to the technical scheme, the supporting structure with anchor net spraying as an outer protective layer, a shrinkable U-shaped steel shed as a middle protective layer and concrete pouring as an inner protective layer is adopted; and the integrated composite supporting structure is formed by the outer protective layer, the middle protective layer and the inner protective layer, and efficient supporting of a high-stress carnallite ore bed roadway is achieved. 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The high-stress carnallite ore bed roadway composite supporting structure and method aim at solving the problem that the supporting capacity is insufficient when a carnallite ore bed roadway supporting structure encounters with highstress. According to the technical scheme, the supporting structure with anchor net spraying as an outer protective layer, a shrinkable U-shaped steel shed as a middle protective layer and concrete pouring as an inner protective layer is adopted; and the integrated composite supporting structure is formed by the outer protective layer, the middle protective layer and the inner protective layer, and efficient supporting of a high-stress carnallite ore bed roadway is achieved. The high-stress carnallite ore bed roadway composite supporting structure and method have the beneficial effects of being stable in structure, hi</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS |
| title | High-stress carnallite ore bed roadway composite supporting structure and method |
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