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A landslide model test and model technology, which is used in teaching models, soil material testing, material inspection products, etc., to achieve the effects of improving simulation effects, saving costs, and being economical and convenient.
Active Publication Date: 2019-09-17
YANGTZE NORMAL UNIVERSITY
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[0007] Aiming at the above-mentioned deficiencies in the prior art, the technical problem to be solved in the present invention is to provide a landslide model test system, avoiding the problem of heavy distribution of load and affecting the use results when simulating gravity load loading, and achieving effective simulation of gravity load, water Effects of Landslide Model Tests Under Action and Freeze-Thaw
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[0032] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0033] see Figure 1-6 , the landslide model test system of specific embodiment, comprises the landslide model box 4 of hollow rectangle, is provided with the model slope body A as test object in the described landslide model box, is provided with loading mechanism on the described model slope body A; The loading mechanism includes a flexible airbag 10 placed between the upper surface of the model slope body A and the upper cover plate 4-2 of the landslide model box 4, and the flexible airbag 10 is connected to the pressure supply unit to change the pressure of the flexible airbag through the pressure supply unit. 10 and apply the load required for the test to the model slope body A through the expansion of the flexible airbag 10; a number of side inclinometers 13 (also called deep displacement gauges, displacement senso...
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Abstract
The present invention relates to a landslide model test system, which comprises a landslide model box. A model slope is arranged in the landslide model box as a test object; and a loading mechanism is arranged on the model slope. The loading mechanism comprises a flexible airbag arranged between an upper surface of the model slope and an upper cover plate of the landslide model box; the flexible airbag is connected with a pressure supply unit for changing the internal pressure of the flexible airbag through the pressure supply unit and applying a load required by the test to the model slope through the expansion of the flexible airbag; and several inclinometers are embedded in the model slope. The invention can greatly increase the slope height range of the simulated landslide through pressure adjustment, and realizes the flexible loading of the model slope load through the structure of the flexible airbag; when the model slope is unstable and deformed, the flexible airbag produces the corresponding deformation in real time so that a constant load applied to the top of the model slope is ensured; thereby the gravity load effect can be simulated more realistically and effectively.
Description
technical field [0001] The invention belongs to the technical field of measuring and testing ground materials by physical methods, and in particular relates to a landslide model test system. Background technique [0002] Landslides can lead to disasters such as road damage, house collapse, formation of barrier lakes, etc., resulting in huge loss of life and property, and are one of the most important geological disasters. [0003] Loading landslide model test is an effective method to study the mechanism of landslides. There are also relevant researches in the prior art, such as CN103308663A, CN106885894A, CN107490668A, CN108279296A, CN207675761U, CN108918828A, CN109507390A, which provide perfect information on individual components such as landslide model test box structure, landslide surface structure, and freeze-thaw landslides; For example, CN1584542A, CN109208656A, CN207488288U, CN107807223A, CN105842418A, CN105510556A, and CN102331489A provide research information on ...
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