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System and method for measuring engineering barrier performance parameters of contaminated site

A parameter measurement and engineering technology, applied in measurement devices, suspension and porous material analysis, instruments, etc., can solve problems such as failure to reveal the penetration, dispersion and adsorption mechanism and mechanical properties of engineering barriers, hinder engineering treatment methods, etc. The effect of simulation and improvement of test accuracy

Active Publication Date: 2020-03-24
CENT SOUTH UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The above reasons lead to the inability of traditional research methods to reveal the penetration, dispersion and adsorption mechanisms and mechanical properties of engineering barriers under complex working conditions, hindering the proposal of corresponding engineering treatment methods

Method used

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  • System and method for measuring engineering barrier performance parameters of contaminated site
  • System and method for measuring engineering barrier performance parameters of contaminated site
  • System and method for measuring engineering barrier performance parameters of contaminated site

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Embodiment 1

[0036] like figure 1 As shown, the embodiment of the present invention provides a kind of engineering barrier performance parameter measuring system of polluted site, comprises the chemical liquid container 7 that is arranged in sequence, the first original soil container 1, engineering barrier container 2 and the second original soil container 3, the first Both the first raw soil container 1 and the second raw soil container 3 are filled with raw soil samples, and the engineering barrier container 2 is filled with engineering barrier samples, and a permeable structure is arranged between the two adjacent containers. The chemical liquid container 7 is provided with a chemical liquid input device, which can control the input pressure of the chemical liquid, maintain the stability of the pressure and flow rate of the chemical liquid during the test, and allow the chemical liquid to infiltrate the soil sample evenly. A plurality of sensors are uniformly arranged in the first orig...

Embodiment 2

[0044] This embodiment provides a method for measuring performance parameters of engineering barriers in polluted sites, including:

[0045] Step 1, put the undisturbed soil sample and the engineering barrier sample into the first original soil container 1, the engineering barrier container 2 and the second original soil container 3, insert the permeable plate 19 into the permeable slot, and simultaneously place the first original soil container 1. A solution collector 6 is provided at the water outlet 5 of the second original soil container 3 and the engineering barrier container 2 respectively. Displacement sensors 12, temperature sensors 13, humidity sensors 14, pore water pressure sensors 15, earth pressure sensors 16, etc. are uniformly arranged in the first original soil container 1, the second original soil container 3 and the engineering barrier container 2 and are all connected with one The data acquisition instrument 4 is connected; the chemical liquid for testing is...

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Abstract

The invention provides a system for measuring the engineering barrier performance parameters of a contaminated site. The system comprises a chemical liquid container, a first original soil container,an engineering barrier container and a second original soil container which are sequentially arranged, a permeable structure is arranged between every two adjacent containers, and a chemical liquid input device is arranged on the chemical liquid container. A plurality of sensors are consistently arranged in the first original soil container, the engineering barrier container and the second original soil container, water outlets are formed at the bottom ends of the first original soil container, the engineering barrier container and the second original soil container, the sensors are connectedwith a data acquisition instrument, and the water outlets are connected with a solution collector. The invention further provides a measuring method which comprises the step of measuring the performance parameters by adopting the system. According to the present invention, the characteristics of permeation, dispersion, adsorption and the like of the undisturbed soil and the engineering barrier under the chemical-osmotic-mechanical multi-factor coupling effect and the complex environment working conditions are considered, and the measurement and record of the whole process of reduction, chemical solute migration and transformation and engineering barrier performance parameter change rules of the actual contaminated site are achieved.

Description

technical field [0001] The invention relates to the technical fields of geological engineering and geotechnical engineering, in particular to a system and method for measuring performance parameters of engineering barriers in polluted sites. Background technique [0002] With the rapid development of industrialization and urbanization, human production activities have brought various problems to the ecological environment. Among them, due to the massive discharge of mineral mining, metal smelting and industrial wastewater, and solid waste landfills, the problem of heavy metal pollution in groundwater and soil has become more and more serious. In recent years, there have been more than dozens of major and extraordinarily serious heavy metal pollution incidents in my country, which have posed serious threats and challenges to the regional ecological environment, human health, sustainable economic and social development, and even social stability. Therefore, it is an urgent ne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/08
CPCG01N15/0826
Inventor 贺勇蒋文强张可能薛生国李冰冰喻志鹏胡广
Owner CENT SOUTH UNIV
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