Test model capable of simulating soaking embankment

Abstract

The invention relates to a test model capable of simulating soaking embankment. The test model comprises a model casing (10) for accommodating a soil body used for simulated embankment, two water storage tanks and a static force loading device, wherein the static force loading device is used for applying pressure to the simulated embankment; the first water storage tank (3) and the second water storage tank (4) are communicated with two sides of the model casing (10) through a first sealing valve (6) and a second sealing valve (7) respectively, and are used for implementing soaking on the simulated embankment on the opposite side; the first water storage tank (3) and the second water storage tank (4) are sealed tank bodies, and the upper cavities of the two water storage tanks are connected with a first gas storage tank (13) and a second gas storage tank (14) respectively; the first gas storage tank (13) is connected with an air compressor through a first valve controller, the secondgas storage tank (14) is connected with the air compressor through a valve controller, and water injection control for two sides of the model casing is realized by adjusting gas pressure.

Description

technical field [0001] The invention relates to a test model capable of simulating flooded embankments. Background technique [0002] In recent years, the state has invested heavily in infrastructure, especially in road construction. According to the "National Highway Network Planning (2013-2030)", the total investment in the newly planned road network reached 4.7 trillion yuan. With the large-scale construction of highways, the terrain and geological conditions of the areas where the project construction passes are becoming more and more complex, including plains with micro-hills, mountains with heavy hills, coastal soft soil areas, tidal flats, etc. Under these geological conditions, the road embankment will inevitably be eroded by water flow, including mountain stream water in hilly areas, rainwater, lake water, and tidal water in shallow beaches. This kind of embankment built along rivers, lakes and seas and may be flooded on one or both sides is called flooded embankm...

AI Technical Summary

Problems solved by technology

In the model test design, the division of embankment flooding height is very rough. Generally, only three cases of embankment without flooding, high water level and low water level are studied; the definition of water level is determined by experience, and the influence of flooding height on embankment deformation and stability The research is not detailed enough

In addition, most of the model tests consider the one-sided flooding of the embankment, and few tests are conducted on the double-sided flooding of the embankment.

In the simulation of embankment immersion and drainage by the test model, the influence of different water levels on both sides of the embankment on the embankment and deformation cannot be realized. Every test needs to inject water into the model box, which makes the test steps more cumbersome and wastes water resources. In addition, most model tests cannot dynamically simulate the impact of high and low tides on embankments

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