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Double-hole interconnected tunnel drainage system

A technology for tunnel drainage and tunnels, applied in drainage, tunnels, safety devices, etc., can solve problems such as full load and achieve the effect of improving safety

Inactive Publication Date: 2020-06-05
SICHUAN DEPT OF TRANSPORTATION HIGHWAY PLANNING PROSPECTING & DESIGN RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the problem that in the existing tunnel drainage system, when the tunnel crosses geological bodies with complex hydrology, one of the central drainage ditch of the tunnel may be fully loaded or even overloaded, while the central drainage ditch of the other tunnel cannot fully play its role. A double-hole intercommunicating tunnel drainage system

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  • Double-hole interconnected tunnel drainage system
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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0014] Such as figure 1 As shown, the double-hole intercommunicating tunnel drainage system of the present invention includes a tunnel, and the tunnel adopts a double-hole structure, including a left tunnel 11 and a right tunnel 12; a central drainage ditch is buried in the left tunnel 11 and the right tunnel 12 A water diversion ditch 131 is provided between the left tunnel 11 and the right tunnel 12 to connect the left tunnel central drainage ditch 111 with the right tunnel central drainage ditch 121 , and the water diversion ditch 131 is provided with a water retaining wall 132 .

[0015] Under normal circumstances, the central drains in the left tunnel 11 and the right tunnel 12 drain water independently without interfering with each other. In the rainy season or when the rainfall increases greatly, if there is too much water inflow in a certain tu...

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Abstract

The invention provides a double-hole interconnected tunnel drainage system, and solves the problems that when a tunnel passes through a complex hydrologic geological body, a drainage ditch in the center of one tunnel in the existing tunnel drainage system drain water in full load or is subjected to overload draining, while a drainage ditch in the center of other tunnel cannot fully play the role.The invention relates to the technical field of tunnel construction. The double-hole interconnected tunnel drainage system comprises tunnels; the tunnels are of a double-hole structure, and comprise aleft tunnel and a right tunnel; central drainage ditches are buried in the left tunnel and the right tunnel; a water diversion ditch is arranged between the left tunnel and the right tunnel to connect the central drainage ditch of the left tunnel with the central drainage ditch of the right tunnel; and a water retaining wall is arranged in the water diversion ditch. The tunnel security is improved.

Description

technical field [0001] The invention relates to the technical field of tunnel construction, in particular to a double-hole intercommunicating tunnel drainage system. Background technique [0002] The tunnel drainage system is an important link in the process of tunnel construction, normal use and safe operation. Tunnel drainage system includes underground water drainage system and tunnel pavement water drainage system. The underground drainage system mainly includes circular drainage pipes, longitudinal drainage pipes, tunnel horizontal drainage pipes, central drainage ditch, etc. The central drainage ditch is buried under the tunnel pavement, and it mainly discharges the water flow of the circumferential drainage pipe, longitudinal drainage pipe and tunnel horizontal drainage pipe out of the tunnel. The tunnel pavement drainage system mainly includes the side ditches of the tunnel road. The tunnel pavement drainage system mainly discharges the water accumulated in the cab...

Claims

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Application Information

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IPC IPC(8): E21D9/14E21F16/02
CPCE21D9/14E21F16/02
Inventor 田志宇杨枫郑金龙王维嘉徐升张兆杰林国进田尚志唐协李泳伸周仁强朱长安李蔚蹊刘科麟陈行胡志远
Owner SICHUAN DEPT OF TRANSPORTATION HIGHWAY PLANNING PROSPECTING & DESIGN RES INST