Tunnel structure crossing karst channel and system for tunnel crossing karst channel

Abstract

The invention belongs to the technical field of tunnel construction, and discloses a tunnel structure penetrating through a karst channel and a karst channel penetrating system of the tunnel. The system for the tunnel to pass through the karst channel comprises a data acquisition module, a karst boundary judgment module, a central control module, a tunnel section excavation module, a drilling detection module, a section data analysis module, a leveling layer laying module, a karst channel passing module, a data storage module and an update display module. According to the method, through the core technical schemes of karst boundary judgment, tunnel section excavation, drilling detection, section data analysis, leveling layer laying, karst channel crossing and the like, the problems of drainage and sludge accumulation encountered when the tunnel crosses the karst channel in the prior art are solved, the tunnel operation safety is improved, and the operation cost is reduced. And meanwhile, the Rayleigh wave detection technology is adopted to judge the underground karst boundary, the distribution state of the karst can be accurately analyzed, the treatment guidance effect on the karst water is good, and the precision is high.

Description

technical field [0001] The invention belongs to the technical field of tunnel construction, and in particular relates to a tunnel structure for crossing karst passages and a tunnel crossing karst passage system. Background technique [0002] At present, when the traditional tunnel structure passes through the karst channel, it is generally necessary to set up a drainage ditch at the bottom of the tunnel. The original karst channel that crosses the tunnel body is changed to the bottom of the tunnel, which can reduce the impact of the karst channel on the tunnel structure. However, in the current actual engineering, due to the elevation problem of the karst channel, when the traditional tunnel structure passes through the karst channel, an "inverted siphon" structure is required. The "inverted siphon" structure will lead to the accumulation of karst water in the bottom drainage ditch, which in turn will lead to the accumulation of silt in the drainage ditch, affecting smooth d...

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Problems solved by technology

[0003] Through the above analysis, the existing problems and defects of the existing technology are: in the existing methods to solve the problem of silt accumulation, regular dredging increases the operating cost, and when the karst water is large, it may emerge through the dredging inspection well and enter the tunnel Cave body, affecting operational safety

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