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Non-contact depth measurement device for static sounding and application method thereof

A technology of static penetration and depth measurement, which is applied in the field of foundation soil survey, construction, infrastructure engineering, etc., can solve the problems of reduced test efficiency, inaccurate recording depth, discontinuous rotation of sliding wheels, etc., and achieves a simple structure. , Low cost, easy to install

Inactive Publication Date: 2016-06-01
SHANGHAI GEOTECHN INVESTIGATIONS & DESIGN INST
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Compared with manual recording, it greatly saves labor and improves the recording accuracy. However, in the actual application process, it is found that the cable and the sliding wheel track are prone to slide rails, and the sliding wheel rotates discontinuously, resulting in inaccurate recording depth. , requires continuous manual correction, and the test efficiency is reduced

Method used

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  • Non-contact depth measurement device for static sounding and application method thereof

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Embodiment

[0019] Example: such as figure 1 As shown, the non-contact static penetrating depth measurement device in this embodiment is used to measure the penetration depth of the probe rod 11 . The probe rod 11 is fixedly installed on the static penetrating sounding machine, and the static penetrating sounding machine includes two hydraulic cylinders 9, and the two hydraulic cylinders 9 are respectively fixed on the ground through ground anchors 12. The oil pressure rods 10 of the two hydraulic cylinders 9 are connected and fixed through a connecting plate 14 to form a whole. The probe rod support 15 is fixedly arranged in the middle of the connecting plate 14 , and the probe rod 11 is mounted on the probe rod support 15 .

[0020] The non-contact static penetrating depth measurement device includes a fixed bracket 1, an optical rangefinder 2, and a signal processor 3. The fixed bracket 1 is set on the periphery of a hydraulic cylinder 9, and the two pass through a clamp arranged on o...

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Abstract

The invention relates to the field of ground exploration, in particular to a non-contact depth measurement device for static sounding and an application method thereof. The non-contact depth measurement device is characterized by at least comprising a distance measurement instrument, a fixed support and a signal processor, wherein the distance measurement instrument is connected and fixed to a static sounding machine through the fixed support, and the signal processor receives and processes distance measurement signals of the distance measurement instrument. The device and the application method thereof have the advantages that the penetration depth of a static sounding probe can be measured in a non-contact mode, the reliability and the accuracy are high, the structure is simple, installation is convenient, the cost is low and popularization is convenient.

Description

technical field [0001] The invention relates to the field of geotechnical exploration, in particular to a non-contact static penetrating depth measuring device and an application method thereof. Background technique [0002] Static penetration testing is to press the probe rod with pressure sensing probe into the soil at a uniform rate, and record the pressure of the soil on the probe and the penetration depth, so as to ascertain the properties of the soil, divide the soil layer and evaluate the rock and soil mechanics characteristic. Static penetration testing has become a widely used geotechnical engineering in-situ testing method due to its advantages of simple operation, rapidity and high reliability of results. [0003] The static penetration testing equipment mainly includes the penetration system, the detection system and the probe calibration equipment. The penetration system includes the static penetration detection host and the counter force device. The detection ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D1/00
CPCE02D1/00
Inventor 杨石飞苏辉刘枫
Owner SHANGHAI GEOTECHN INVESTIGATIONS & DESIGN INST
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