Monitoring device and monitoring method of physical state of supergravity centrifugal model

A technology for monitoring devices and physical states, applied to measuring devices, instruments, etc., can solve problems such as inoperability, position conflicts, and damage to model structures, so as to ensure safety and operability, reduce load, and structure simple effect

Active Publication Date: 2019-09-17
ZHEJIANG UNIV
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Problems solved by technology

The buried single temperature sensor often can only reflect the temperature change in a small range, and it is difficult to fully describe the average level of the internal temperature field of the model
However, embedding a large number of temperature sensors in the model will not only destroy the original structure of the model, but also

Method used

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  • Monitoring device and monitoring method of physical state of supergravity centrifugal model
  • Monitoring device and monitoring method of physical state of supergravity centrifugal model
  • Monitoring device and monitoring method of physical state of supergravity centrifugal model

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Embodiment Construction

[0045] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present invention.

[0046]The invention provides a physical state monitoring device for a geotechnical centrifuge shaking table model. The model physical state monitoring device mainly includes four main components: a model box, a lifting and fixing mechanism, a displacement monitoring group and a displacement target. (1) described model box is characterized in that as model container: can keep the stability of model shape in the test process, simul...

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Abstract

The invention provides a monitoring device and monitoring method of a physical state of a supergravity centrifugal model. The monitoring device is composed of four parts, that is, a model box, a liftable fixing mechanism, a displacement monitoring group and a displacement target, and simultaneous monitoring of liquid level and soil surface displacement changes of the model in a test process can be realized; the monitoring method comprises obtaining time domain characteristics of the physical state of the model in the test process based on an equation of state of an internal gas of the supergravity centrifugal model; the supergravity centrifugal model is a three-phase medium model composed of gas, liquid and solid particulate materials in a supergravity environment; and the physical state comprises two indexes, that is, model saturability and a temperature field mean value level.

Description

[0001] Technical field: [0002] The invention relates to the field of civil engineering, in particular to a device and method for monitoring the physical state of a supergravity centrifugal model. [0003] Background technique: [0004] In recent years, earthquakes have occurred frequently around the world, among which there are many large and strong earthquakes that have brought huge losses of life and property to people in various countries. The collapse of buildings due to unstable foundations during earthquakes, as well as disasters such as landslides and debris flows are closely related to geotechnical engineering. In the field of geotechnical engineering, our research objects on earthquake issues are mainly the parts below the surface that are closely related to rock and soil, which can be simply divided into two categories: one is the site that contains underground man-made structures, and the other is the site that does not contain underground geotechnical structures. ...

Claims

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Application Information

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IPC IPC(8): G01D21/02
CPCG01D21/02
Inventor 周燕国曹渊周鑫辉田雨
Owner ZHEJIANG UNIV
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