Surveying device for measuring horizontal displacement of soil body

A technology of horizontal displacement and inclination measuring device, which is applied in the field of foundation soil survey, construction, infrastructure engineering and other directions, can solve the problems of increased monitoring cost, high cost, high price of inclination sensor, etc., and achieve low price and reduce monitoring cost. Effect

Pending Publication Date: 2019-07-30
孙雨
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Problems solved by technology

Although the inclination of the soil can be automatically measured in this way, the disadvantage is that

Method used

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  • Surveying device for measuring horizontal displacement of soil body
  • Surveying device for measuring horizontal displacement of soil body
  • Surveying device for measuring horizontal displacement of soil body

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[0015] This application will be further described in conjunction with the following embodiments.

[0016] An inclinometer for measuring the horizontal displacement of a soil body of the present application is used to observe the horizontal displacement inside the soil body. Such as figure 1 with figure 2 As shown, it includes an inclinometer tube 1, a tension member 2, a plurality of ranging sensors 3, and a data acquisition and processing device 4 connected to each ranging sensor 3. The inclinometer tube 1 can be a PVC inclinometer tube or an inclinometer tube made of other materials, as long as it can be used with the ranging sensor 3. The tension member 2 may be a metal or non-metal material with a low thermal expansion coefficient, such as indium steel wire. Preferably, when the distance measuring sensor 3 adopts an eddy current sensor or a magnetic induction sensor, the tension member 2 is made of a metal material. The distance between adjacent ranging sensors can be equa...

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Abstract

The invention relates to a surveying device for measuring horizontal displacement of a soil body. A tension part is tightened between the upper and lower ends of a surveying pipe, distance measuring sensors are distributed in the length direction of the surveying pipe in an interval mode and connected with data collection and treatment device, and the horizontal distance between the distance measuring sensors and the tension part is measured by the distance measuring sensors, and distance information is sent by the distance measuring sensors to the data collection and treatment device to treat. When displacement of the soil body is appeared, the surveying pipe is transformed, so the distances between the distance measuring sensors fixed on the wall of the surveying pipe and the tension part are changed, and change value of each collected distance information and depth position of sensors are computed by the data collection and treatment device; therefore, horizontal displacement curveof the soil body can be drawn, and the aim of automatically and accurately monitoring is achieved. Due to adopting cheap distance measuring sensors replacing expensive tilt angle sensors, the monitoring cost is greatly reduced.

Description

technical field [0001] The application relates to an inclinometer for measuring the horizontal displacement of soil, which can be used in the technical field of soil monitoring. Background technique [0002] The existing horizontal displacement of soil, such as the horizontal displacement of foundation pit or pile hole, is carried out by using the inclinometer tube with built-in track installed in pre-buried or later drilling to cooperate with the inclinometer. The existing methods include manual measurement and automatic measurement. The manual measurement method is specifically to manually pull the inclinometer in the inclinometer tube to measure an inclination angle per meter along the depth direction, then deduce the horizontal displacement at the depth position according to the inclination angle, and draw the horizontal displacement curve with the depth, That is, soil inclinometers. The automatic measurement method is improved on the basis of the manual test method. S...

Claims

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Application Information

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IPC IPC(8): E02D1/00
CPCE02D1/00
Inventor 孙雨
Owner 孙雨
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