Test apparatus and method for researching two-dimensional hydrodynamic dispersion characteristics of calcareous soil
A hydrodynamic dispersion and test device technology, applied in fluid dynamics tests, measuring devices, testing of machine/structural components, etc., can solve problems such as difficult on-site dispersion tests and complex ground hydrodynamic conditions, and achieve low manufacturing costs Simple operation and high efficiency
Active Publication Date: 2018-12-18
INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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Problems solved by technology
Due to the large difference between it and terrigenous soil, the existing soil dispersion characteristics are not suitable for calcareous soil, and due to the complex ground hydrodynamic conditions of the reclaimed islands and reefs, it is difficult to realize the field dispersion test, so an indoor dispersion test is designed. Simulators are important
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[0073] Below in conjunction with accompanying drawing and embodiment describe in detail:
[0074] 1. Device
[0075] 1. Overall
[0076] Such as figure 1 , 2 , the device includes the research object - calcareous soil 00;
[0077] A water supply unit 10, a dispersion unit 20 and a collection unit 30 are provided;
[0078] The water supply unit 10 is connected with the diffusion unit 20;
[0079] The diffusion unit 20 is connected to the acquisition unit 30;
[0080] The water supply unit 10 is made up of a fresh water level tank 11 and a fresh water bucket 12;
[0081] The dispersion unit 20 is composed of a dispersion soil tank cover 21, a dispersion soil tank 22 and a waste liquid bucket 23;
[0082] Acquisition unit 30 is made up of soil three parameter sensor 31, data collector 32 and computer 33;
[0083]Its location and connection relationship are:
[0084] Diffused soil tank 22 is placed on the level ground;
[0085] The diffused soil tank cover 21 is placed o...
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The invention discloses a test apparatus and method for researching two-dimensional hydrodynamic dispersion characteristics of calcareous soil, and relates to a two-dimensional hydrodynamic dispersiontechnology in the field of geotechnical media. The system comprises a calcium soil as a research object, a water supply unit, a dispersion unit and a collection unit. The water supply unit is connected to the dispersion unit, and the dispersion unit is connected to the collection unit. The water supply unit consists of a fresh water level tank and a fresh water bucket. The dispersion unit consists of a dispersion soil tank cover, a dispersion soil tank and a waste liquid tank. The collection unit consists of a soil three-parameter sensor, a data collector and a computer. According to the testapparatus and method for researching two-dimensional hydrodynamic dispersion characteristics of calcareous soil, two-dimensional hydrodynamic dispersion tests can be performed indoors; tests can be repeated; variable conditions such as soil gradation, soil density, dispersion head and salt water concentration can be set; the operation is simple to without too many cumbersome steps; the manufacturing cost is low; multiple sets of tests can be performed at the same time; and the efficiency is high.
Description
technical field [0001] The invention relates to a two-dimensional hydrodynamic dispersion technology in the field of rock-soil media, in particular to a test device and a method for studying the two-dimensional hydrodynamic dispersion characteristics of calcareous soil. Background technique [0002] After the island reef is filled, the change of the groundwater body directly affects the living conditions of the vegetation on the island reef. If a stable fresh water body can be formed, it will play an important role in the operation of the island reef; among them, dispersion is a major factor affecting the formation of fresh water body. As the main medium for reclamation of islands, calcareous soil is a special soil different from terrestrial soil. Calcareous soil can also be called carbonate soil, which usually refers to marine organisms (corals, seaweeds, shells, etc.) Special geotechnical media rich in calcium carbonate or other carbonate-like substances. Calcareous soil ...
Claims
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IPC IPC(8): G01M10/00G01L19/08G09B23/12
CPCG09B23/12G01L19/08G01M10/00
Inventor 崔翔朱长歧胡明鉴刘海峰王天明
Owner INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI