Device and method for simulating influence of underground water seepage on existing tunnel and frozen wall

By designing a multifunctional simulation device, including test chamber, tunnel model, seepage system and cooling and heating system, the problem of difficulty in simulating the impact of groundwater seepage on tunnels and freezing walls in the prior art is solved, and real simulation and data analysis of groundwater seepage and groundwater level changes are achieved.

CN119716005APending Publication Date: 2025-03-28WUHAN YUCHENG QIANLI CONSTR CO LTD
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Patent Information

Application Number
CN202510035842.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The prior art is difficult to effectively simulate the impact of groundwater seepage on existing tunnels and frozen walls, especially in simulating groundwater seepage velocity, direction and groundwater level changes.

Method used

A device that simulates the impact of groundwater seepage on existing tunnels and freezing walls is designed, including test chambers, tunnel models, seepage systems, data acquisition monitoring systems, brine circulation cooling systems and brine circulation heating systems. The device can simulate multi-directional groundwater seepage and groundwater level fluctuations through the collaborative working of multiple components and systems.

Benefits of technology

Real simulation of the multi-faceted impact of groundwater seepage velocity, direction and groundwater level changes on existing tunnels and freezing walls is achieved, providing more accurate and detailed data analysis to help study the impact of groundwater seepage on tunnels and freezing walls.

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Abstract

The invention relates to a device and a method for simulating influence of underground water seepage on an existing tunnel and a freezing wall, the device comprises a test box body, a tunnel model, a seepage system, a data acquisition monitoring system, a saline water circulation cooling system and a saline water circulation heating system, the test box body is formed by splicing three box bodies with different structures; a formed space area is used for laying a test soil body and a broken stone hardcore; the tunnel model is arranged in the hollow area in the test box body; the seepage system is used for providing an underground water source for simulating seepage; the data acquisition monitoring system is used for monitoring and recording the soil pressure and displacement of the soil body around the tunnel model and the temperature change of the soil body near the freezing pipe; the saline water circulating cooling system is used for providing cooling capacity required by soil body freezing; and the saline water circulation heating system is used for providing heat required for pulling out the freezing pipe. The device can be used for simulating the influence of groundwater seepage on soil deformation and soil pressure around the existing tunnel, adjusting the seepage direction of groundwater and restoring more real groundwater seepage movement.
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