Capillary saturated zone lateral seepage demonstration instrument and method
A demonstrator and horizontal technology, applied in the field of hydrogeology research, can solve the problems of engineering site suitability evaluation, inconvenient observation of test data, poor repeatability, etc., and achieve good economic and practical value and application prospects
Active Publication Date: 2019-09-03
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, and the partitions 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 parts 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 and the surfa...
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Abstract
The invention relates to a capillary saturation zone lateral seepage demonstration instrument and a method for implementing by adopting the capillary saturation zone lateral seepage demonstration instrument. According to the capillary saturation zone lateral seepage demonstration instrument and method, movement and distribution of capillary water in a loose porous medium in the nature world are taken as simulation objects to simulate phreatic water movement, the climbing, distribution and migration rules of supporting capillary water of a capillary saturated zone from the phreatic surface andthe movement process of water in an unsaturated zone in the rainfall infiltration process, and thus the mechanism of lateral seepage of the capillary saturated zone is revealed. Meanwhile, a reliablemethod is provided for studying the lateral seepage of the capillary saturated zone water, the rising phenomenon, the rising rate, the maximum rising height and the like of the supporting capillary water, and technical support is further provided for the study of water migration and transformation in the capillary saturated zone. According to the capillary saturation zone lateral seepage demonstration instrument and method, a new set of technical means is provided for the lateral seepage of the supporting capillary water and the migration rule of pollutants from the surface into an aquifer orin a vadose zone, and good economic and practical value and application prospects are achieved.
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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Login to View More 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