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Automatic investigation system of rock-soil saturation infiltration

A measurement system and geotechnical technology are applied in the field of small hydrological data measurement equipment for agricultural water saving and water storage, which can solve the problems of automatic, continuous and accurate measurement of the saturated infiltration process of geotechnical soil, and achieve simple structure and improved performance. The effect of measuring accuracy and convenient operation and management

Inactive Publication Date: 2005-03-23
INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI
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Problems solved by technology

Compared with the first method, the second method realizes constant pressure automatic water supply, but this method still does not get rid of the traditional idea of ​​calculating the infiltration process by measuring the water level, and cannot automatically and continuously control the saturated infiltration process of rock and soil. , accurate measurement

Method used

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  • Automatic investigation system of rock-soil saturation infiltration
  • Automatic investigation system of rock-soil saturation infiltration
  • Automatic investigation system of rock-soil saturation infiltration

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Embodiment Construction

[0019] figure 1 As shown, the rock soil saturated infiltration automatic measurement system of the present invention is mainly composed of a water storage tank 3, a constant pressure water supply tank 1, two concentric rings 5 ​​and a tipping bucket flowmeter 9 connected through pipeline circulation, and adopts two concentric double ring control The infiltration surface can effectively avoid the influence of lateral infiltration of water on vertical infiltration. The connecting pipeline between the middle double ring and the water supply tank of the system can be set open, which is convenient for calibration of the outlet water flow rate of the water supply tank and reduces errors.

[0020] Before the measurement, firstly, according to the physical properties of the rock and soil, the maximum infiltration rate of the rock and soil is roughly estimated, and the outlet flow Q1 of the constant pressure water supply tank is determined by adjusting the valve 7, so as to ensure that...

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Abstract

The invention provides an automatic measuring system for rock saturation and infiltration, its character lies in: the measuring system includes water supplying device connected by pipes, double-circle infiltration device, flow measuring device, the outlet of the double-ring infiltration device is connected to the inlet of the tip flow measuring device, water from the flow measuring device enters the water supplying device through a pump, the rate of ground water saturation and infiltration into the rock according to the water quantity difference entering and flowing out the double-circle in unit time. Compared with current measuring method, it changes the traditional thinking which changes the water level in concentric ring or in martensite bottle, according to dynamic water balance theory, the infiltration rate can be acquired through measuring the outlet flow of the concentric ring, thus the automatic monitoring of water data is possible, and the measuring accuracy is upgraded greatly. The measuring system in the invention is simple, and the management is convenient.

Description

technical field [0001] The invention relates to an automatic measurement system for saturated infiltration of rock and soil, which is mainly used to study the infiltration amount and infiltration process of surface water during rainfall or irrigation in mountains or plains, and belongs to small-scale hydrological data measurement equipment for agricultural water saving and storage technology field. Background technique [0002] At present, the device used to measure the saturated infiltration of surface water into the soil is mainly the "double-ring infiltration meter", that is, two concentric cylindrical rings are used to calculate the total amount of infiltration and the infiltration by directly measuring the water level change in the inner ring. Infiltration process; or connect the double-ring infiltration instrument with the Marlson jar, and calculate the infiltration rate and the total amount of infiltration at different times by observing the water level change of the ...

Claims

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Application Information

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IPC IPC(8): G01N5/02G01N13/04G01N15/08
Inventor 曹建生张万军
Owner INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI
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