Seepage continuous monitoring experiment apparatus and method under special stratum environment condition

A technology for environmental conditions and experimental devices, which is used in measurement devices, machine/structural component testing, fluid tightness testing, etc., and can solve the problems of incomplete and accurate monitoring results, difficulty in effective monitoring, and timely early warning.

Inactive Publication Date: 2016-09-28
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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Problems solved by technology

[0003] The existing leakage monitoring method is the typical section monitoring method. This method is to bury several piezometers in the typical section to measure the seepage pressure. Since there are a large n

Method used

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  • Seepage continuous monitoring experiment apparatus and method under special stratum environment condition
  • Seepage continuous monitoring experiment apparatus and method under special stratum environment condition
  • Seepage continuous monitoring experiment apparatus and method under special stratum environment condition

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Embodiment Construction

[0043] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0044] Such as figure 1 , 2 As shown, the leakage continuous monitoring experimental device disclosed in the present invention under special formation environmental conditions includes a tank body 1, and a water retaining partition 2 is arranged in the tank body 1 to divide the tank body 1 into a first space 100 and a second space. space200,;

[0045] A water-permeable layer 41 is laid on the bottom of the first space 100, and water 9 is injected into the water-permeable layer 41 to form upstream water. By adjusting the upstream water level, osmotic damage occurs in the water-impermeable layer 5;

[0046] A water-permeable layer 42 is laid on the bottom of the second space 200. A MEMS pressure sensor 8 is arranged in the water-permeable layer 42. A water-impermeable layer 5 is laid above the water-permeable layer 42. A fiber grating thermome...

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Abstract

The invention discloses a seepage continuous monitoring experiment apparatus and method under a special stratum environment condition. At an early stage, stratum feature parameters are obtained through engineering onsite investigation, stratum sample preparation is carried out in the experiment apparatus, by use of the experiment apparatus, an embankment model of an embankment project area is erected, then through adjustment of such parameters as a water level elevation, a water temperature, a temperature and the like, by use of a distributed fiber sensor, a continuous seepage monitoring process is realized, after an experiment ends, relations between the parameters and set seepage thresholds are obtained, a data basis can be provided for seepage monitoring of different embankment projects, and effective monitoring and timely early warning of the different embankment projects is realized.

Description

technical field [0001] The invention relates to an experimental device and method for continuous leakage monitoring under special stratum environmental conditions, belonging to the technical field of water conservancy and hydropower engineering. Background technique [0002] Embankments are the main measures to prevent floods and protect residents and industrial and agricultural production. Since most embankments are built along the natural river bank, the seepage problem of embankment foundation is common. Seepage damage is one of the main damage forms in river embankments, and seepage control measures must be taken to control it. Dikes in different areas are affected by many factors such as geological conditions, ambient temperature, and rainfall. The seepage conditions are different, and the mechanism, process and results of seepage damage are also different. Therefore, seepage monitoring must be carried out in dike projects to pass effective Advanced seepage control mea...

Claims

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Application Information

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IPC IPC(8): G01M3/00G01M3/02G01N33/24
CPCG01M3/002G01M3/02G01N33/24
Inventor 朱新民商峰黄涛赵丽娜聂鼎高阳秋晔李玥
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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