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A kind of drainage system of karst tunnel

A tunnel drainage and karst technology, applied in drainage, mining equipment, earthwork drilling and mining, etc., can solve the problems of reduced vacuum degree and difficult self-recovery of siphon effect, and achieve the effect of high frequency of action and prevention of clogging

Active Publication Date: 2021-10-29
范云鹤
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Problems solved by technology

[0005] In view of the defect that when the tunnel siphon drainage method is used in the prior art, after the siphon effect is suspended due to the drop of the groundwater level, the vacuum degree in the siphon tube decreases, and the siphon effect is difficult to recover by itself

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  • A kind of drainage system of karst tunnel
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  • A kind of drainage system of karst tunnel

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Embodiment Construction

[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings and preferred embodiments. However, it should be noted that many of the details listed in the specification are only for readers to have a thorough understanding of one or more aspects of the present invention, and these aspects of the present invention can be implemented even without these specific details.

[0030] like Figure 1-Figure 4 Said, a kind of karst tunnel drainage system, the borehole 2 is set in the surrounding rock of the tunnel 1 where drainage is required, the siphon 3 is placed in the borehole 2, the water inlet of the siphon 3 is at the bottom of the borehole 2, the siphon 3 The water outlet is connected to the hydrodynamic device 5, the diameter of the siphon 3 is 4 mm, one end of the outlet pipe 6 is connected to the siphon 3, the other end of the...

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Abstract

According to the drainage problem in the tunnel construction process, the present invention proposes a karst tunnel drainage system. The drainage system of the karst tunnel can be arranged in multiples along both sides of the tunnel. The hydrodynamic device is placed in the side ditch of the tunnel. The hydrodynamic device and the side ditch The bottom is fixed, and the hydrodynamic device includes a water storage chamber, a rotary vane cavity, a round wheel, a rotary vane groove, a rotary vane, a spring, a drain pipe, a rotating shaft, and water wheel blades. A round wheel is arranged in the cavity, and a rotary vane groove is arranged on the round wheel. Rotary vanes are arranged at both ends of the rotary vane groove. The rotary vane is fixedly connected to the rotary vane groove by a spring. There is a 1- With a gap of 2 mm, the rotation of the round wheel will not be resisted by the rotary vane cavity, and the rotating shaft connects the round wheel and the water wheel blades, and the water wheel blades are arranged in the side ditch.

Description

technical field [0001] The invention belongs to the field of tunnel engineering, is suitable for drainage of mountain tunnels, and in particular relates to a drainage system of karst tunnels. Background technique [0002] Tunnel engineering of railways and highways is an important and sensitive structure in the transportation infrastructure. It is greatly affected by the complexity of the geological environment and the closedness of the spatial structure. It has many disease problems and is difficult to maintain. Among them, after the tunnel drainage system is crystallized and blocked, the groundwater level in the tunnel site area will rise, the mechanical properties of the surrounding rock will deteriorate, and the lining will bear increased pressure, which will lead to a series of diseases such as road accumulation, lining cracking, and structural deformation, which will threaten operational safety. , affect the beautiful structure, reduce the service life, and the repair ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21F16/02
CPCE21F16/02
Inventor 范雲鹤孙红月
Owner 范云鹤
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