Device and method for directly applying secondary lining support to tunnel
The invention provides a device and a method for directly applying a secondary lining support to a tunnel. The device comprises a prefabricated concrete lining, wherein a plurality of holes with different densities are formed in the concrete lining, the space between the concrete lining and surround...
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| creator | DU ZHUOXING YANG HAOYU TANG HONGYU LI HONGYA XIE XIAOKANG LIU JIE KUANG YANXI SHI QIAN MA YIDAN CHU XUFEI LI YUNZHOU |
| description | The invention provides a device and a method for directly applying a secondary lining support to a tunnel. The device comprises a prefabricated concrete lining, wherein a plurality of holes with different densities are formed in the concrete lining, the space between the concrete lining and surrounding rock is filled with debris, and the bottom ends of the holes are blocked by rubber plugs; when the surrounding rock grows to a certain degree, the debris is discharged through pressure relief valves installed near the holes; a pressure sensor installed outside the vault of the concrete lining isused for monitoring pressure in real time, and anchor rods are anchored in a targeted mode in an area with large pressure; and the holes are solidified by concrete after the pressure monitored by thepressure sensor is stable. The problems of large disturbance to the surrounding rock in the construction process, long construction time caused by long development time of the surrounding rock, largeconstruction cost, weak pe |
| format | Patent |
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The device comprises a prefabricated concrete lining, wherein a plurality of holes with different densities are formed in the concrete lining, the space between the concrete lining and surrounding rock is filled with debris, and the bottom ends of the holes are blocked by rubber plugs; when the surrounding rock grows to a certain degree, the debris is discharged through pressure relief valves installed near the holes; a pressure sensor installed outside the vault of the concrete lining isused for monitoring pressure in real time, and anchor rods are anchored in a targeted mode in an area with large pressure; and the holes are solidified by concrete after the pressure monitored by thepressure sensor is stable. 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The device comprises a prefabricated concrete lining, wherein a plurality of holes with different densities are formed in the concrete lining, the space between the concrete lining and surrounding rock is filled with debris, and the bottom ends of the holes are blocked by rubber plugs; when the surrounding rock grows to a certain degree, the debris is discharged through pressure relief valves installed near the holes; a pressure sensor installed outside the vault of the concrete lining isused for monitoring pressure in real time, and anchor rods are anchored in a targeted mode in an area with large pressure; and the holes are solidified by concrete after the pressure monitored by thepressure sensor is stable. The problems of large disturbance to the surrounding rock in the construction process, long construction time caused by long development time of the surrounding rock, largeconstruction cost, weak pe</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 | Device and method for directly applying secondary lining support to tunnel |
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