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Penetration type ultrasonic soil body moisture content testing device and method

A technology of soil moisture content and testing equipment, which is applied in the direction of analyzing solids, analyzing materials, instruments, etc. by using sound waves/ultrasonic waves/infrasonic waves, and can solve the problems of harmful environment for operators, large error of time domain reflection method, and small scope of application, etc. problem, to achieve the effect of simple operation, simple device and small disturbance

Pending Publication Date: 2018-04-13
SHANDONG UNIV +1
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Problems solved by technology

In addition, there are methods such as ray method and time domain reflection, but the ray method is harmful to the operator and the surrounding environment, so the scope of application is too small, and the time domain reflection method has large errors and limitations, so it is not often used

Method used

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  • Penetration type ultrasonic soil body moisture content testing device and method
  • Penetration type ultrasonic soil body moisture content testing device and method
  • Penetration type ultrasonic soil body moisture content testing device and method

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Embodiment Construction

[0041]It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0042] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0043] As introduced in the background art, at present, the determination of moisture content mostly relies on in...

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Abstract

The invention discloses a penetration type ultrasonic soil body moisture content testing device and method. The testing device comprises an inner sleeve and an outer sleeve that are mounted together in a sleeving manner; wherein one end of the inner sleeve is flush with one end of the outer sleeve, and a tapered steel body is connected to the ends of the inner sleeve and the outer sleeve; at the other end of the inner sleeve and the other end of the outer sleeve, the outer sleeve extends outwards relatively to the inner sleeve, and a hydraulic lift device is mounted in the outward extending part of the outer sleeve; a plurality of slot-shaped notches are formed in the peripheral directions of pipe walls at the superposition parts of the inner sleeve and the outer sleeve, a rail parallel tothe axis of the inner sleeve is arranged in the inner sleeve, and the hydraulic lift device can be used for driving one detection device to move along the rail; the detection device comprises a mounting seat, wherein ultrasonic probes with the quantity being equal to that of the slot-shaped notches in the pipe walls of the inner sleeve and the outer sleeve are arranged in the outer peripheral direction of the mounting seat; a laser ranging probe is arranged in the center of the radial surface of the mounting seat; the laser ranging probe and the ultrasonic probes are connected with a data processing center.

Description

technical field [0001] The invention mainly relates to a penetrating ultrasonic soil water content testing device and method. The device uses the ultrasonic principle to monitor changes in water content in rock and soil in real time, and can be widely used in tunnel construction and other underground engineering fields. Background technique [0002] The determination of moisture content in soil is a very important task in engineering fields such as tunnel construction and foundation pit support. At present, the determination of moisture content mostly relies on indoor tests, such as drying weighing method. In addition, there are methods such as ray method and time domain reflection, but the ray method is harmful to the operator and the surrounding environment, so the scope of application is too small, and the time domain reflection method has large errors and limitations, so it is not often used . The present invention utilizes the difference between ultrasonic echo veloci...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/07
CPCG01N29/07G01N2291/02441Y02A90/30
Inventor 龚英杰李会良李术才丁万涛张乾青刘克奇陈瑞史培贺李明江候铭垒
Owner SHANDONG UNIV
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