Large-span underground cavern top arch surrounding rock stability control device
The utility model provides a long-span underground cavern top arch surrounding rock stability control device. The long-span underground cavern top arch surrounding rock stability control device comprises a drainage structure, a primary supporting structure and a secondary supporting structure, where...
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| creator | YE HUIHUI LI PENG WAN XIANGBING BU-YUE YIXIA CHENG PU LI LIANGQUAN LU JIANJIAN CHEN DENGYI SHAO BING FANG DAN ZHAO XIULONG |
| description | The utility model provides a long-span underground cavern top arch surrounding rock stability control device. The long-span underground cavern top arch surrounding rock stability control device comprises a drainage structure, a primary supporting structure and a secondary supporting structure, wherein the drainage structure is arranged around an underground cavern in advance before the underground cavern is excavated, the primary supporting structure is arranged in the forming process of an underground cavern top arch, and the secondary supporting structure is arranged after the underground cavern top arch is formed. The drainage structure comprises a drainage hole, a drainage gallery and a drainage hole curtain; the anchoring structure comprises opposite penetrating anchor cables. The drainage holes are formed in the upper portion of the top arch surrounding rock of the underground cavern, and the multiple drainage holes are distributed in the upper portion of the underground cavern; the drainage galleries a |
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The long-span underground cavern top arch surrounding rock stability control device comprises a drainage structure, a primary supporting structure and a secondary supporting structure, wherein the drainage structure is arranged around an underground cavern in advance before the underground cavern is excavated, the primary supporting structure is arranged in the forming process of an underground cavern top arch, and the secondary supporting structure is arranged after the underground cavern top arch is formed. The drainage structure comprises a drainage hole, a drainage gallery and a drainage hole curtain; the anchoring structure comprises opposite penetrating anchor cables. 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The long-span underground cavern top arch surrounding rock stability control device comprises a drainage structure, a primary supporting structure and a secondary supporting structure, wherein the drainage structure is arranged around an underground cavern in advance before the underground cavern is excavated, the primary supporting structure is arranged in the forming process of an underground cavern top arch, and the secondary supporting structure is arranged after the underground cavern top arch is formed. The drainage structure comprises a drainage hole, a drainage gallery and a drainage hole curtain; the anchoring structure comprises opposite penetrating anchor cables. The drainage holes are formed in the upper portion of the top arch surrounding rock of the underground cavern, and the multiple drainage holes are distributed in the upper portion of the underground cavern; the drainage galleries a</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SHAFTS TUNNELS |
| title | Large-span underground cavern top arch surrounding rock stability control device |
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