Capillary Saturation Zone Lateral Seepage Demonstration Apparatus and Demonstration Method
A demonstrator and horizontal technology, applied in the field of hydrogeology research, can solve the problems of engineering site suitability evaluation, poor repeatability, unintuitive phenomena, etc., and achieve good economic and practical value and application prospects
Active Publication Date: 2021-07-30
CHENGDU UNIVERSITY OF TECHNOLOGY
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Problems solved by technology
In the process of ascertaining regional hydrogeological conditions, field site geological surveys, engineering exploration, hydrogeological experiments, etc. are often used for research, which often cost a lot of money and take a long time
Field hydrogeological surveys have shortcomings such as unintuitive phenomena, inconvenient observation of test data, and poor repeatability. This brings inconvenience to the research and understanding of capillary water migration, transformation, and distribution characteristics, and brings difficulties to the suitability evaluation of engineering sites. It also makes it difficult for beginners to recognize and understand
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[0040] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0041] Such as Figure 1 ~ Figure 4 As shown, the capillary saturated zone lateral seepage demonstrator in the present invention includes a geological body simulation box 1, a supporting capillary water observation system and an injection and drainage system.
[0042] The geological body simulation box 1 is provided with two vertical partitions 2 in its box body, and the partition boards 2 are arranged at intervals along the length direction of the geological body simulation box 1, so that the geological body simulation box 1 is divided into three sections along its length direction. A plurality of small holes are evenly distributed on the partition plate 2, so that the three boxes are connected to each other; the boxes located at the two ends of the geological body simulation box 1 are respectively the surface water body water intake simulation box 101...
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The invention relates to a demonstration instrument for lateral seepage in a capillary saturation zone and a method for implementing it by using the demonstration instrument for transverse seepage in a capillary saturation zone. The invention takes the movement and distribution of capillary water in the loose porous medium in nature as the simulation object, simulates the diving movement, the support capillary water in the capillary saturated zone climbs, distributes and migrates from the water surface, and the water in the unsaturated zone during the rainfall infiltration process. Movement process, thus revealing the mechanism of lateral seepage in the capillary saturation zone. At the same time, it provides a reliable method for the study of water lateral seepage in the capillary saturated zone, supporting capillary water rising phenomenon, rising rate, maximum rising height, etc., and also provides technical support for the research of water migration and transformation in the capillary saturated zone. The invention provides a set of brand-new technical means for supporting the transversal seepage of capillary water and the migration of pollutants from the surface into the aquifer or in the vadose zone, and has good economic and practical value and application prospect.
Description
technical field [0001] The invention relates to a demonstration instrument for lateral seepage in a capillary saturation zone and a method for implementing it by using the demonstration instrument for transverse seepage in a capillary saturation zone, belonging to the technical field of hydrogeology research. Background technique [0002] The water table refers to the stable, pressure-free water table formed inside the porous medium after water supply. The water-bearing part below the water table is called the unconfined aquifer. In the porous medium above the water surface, the capillary composed of fine particles, under the action of the surface tension of the liquid, the groundwater will be transformed into supporting capillary water to climb upwards, and finally reach the maximum rising height. The surface tension of the liquid is inversely proportional to the diameter of the capillary formed by the porous medium, that is, P c =4α / D,P c is the surface tension, α is th...
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IPC IPC(8): G09B23/40
CPCG09B23/40
Inventor 肖先煊许模张强夏强郭健蔡国军
Owner CHENGDU UNIVERSITY OF TECHNOLOGY