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Aggregate particle CT scanning sample loading device and method

A technology of CT scanning and aggregates, which is applied in the directions of measuring devices, individual particle analysis, particle and sedimentation analysis, etc., can solve the problems of aggregate particle adhesion and increase the complexity of image processing, and achieve low cost, easy promotion, and easy material acquisition Effect

Pending Publication Date: 2021-11-09
SOUTH CHINA UNIV OF TECH
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Problems solved by technology

[0005] X-Ray CT and 3D scanners are the current mainstream 3D modeling methods. Compared with 3D scanners, X-rayCT has higher modeling efficiency, but it uses aggregate particles directly into the container for scanning modeling. When, the image will appear the characteristics of aggregate particle adhesion, which increases the complexity of image processing

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  • Aggregate particle CT scanning sample loading device and method
  • Aggregate particle CT scanning sample loading device and method
  • Aggregate particle CT scanning sample loading device and method

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Embodiment

[0042] Such as Figure 1-2 shown. The invention discloses a CT scanning sample loading device for aggregate particles, comprising: a base 4, and an anti-overturning sleeve 1 located on the base 4;

[0043] In the anti-overturning sleeve 1, there are multiple layers of partition plates 2 spaced from each other from bottom to top, and each layer of partition plates 2 is supported and fixed by multiple support rods 3; the partition plates 2 are placed for CT scanning aggregate particles.

[0044] The shape of the anti-overturning sleeve 1 is circular or rectangular; the shape of the partition plate 2 is adapted to the cross-sectional shape of the anti-overturning sleeve 1 , and of course other shapes can also be used according to actual application conditions.

[0045] The shape of the support rod 3 is a circular cylinder or a rectangular cylinder, of course, it can also be in other shapes according to the actual application.

[0046] The inner diameter (diagonal line) of the ...

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Abstract

The invention discloses an aggregate particle CT scanning sample loading device and method. The device comprises an anti-overturning sleeve and a base; a plurality of layers of partition plates which are arranged at intervals are arranged in the anti-overturning sleeve from bottom to top, and each layer of partition plate is supported and fixed by a plurality of supporting rods; aggregate particles for CT scanning are placed on the partition plate; three-dimensional reconstruction of aggregate particles is realized through calibration of a tomography image and an image processing algorithm, and the reconstructed three-dimensional model can be used for three-dimensional morphological evaluation of the aggregate, 3D printing of the aggregate or numerical simulation considering real aggregate morphological characteristics of the aggregate. The device can improve the scanning and modeling efficiency of the aggregate to the greatest extent, and has the characteristics of simple structure, convenience in use and convenience in popularization.

Description

technical field [0001] The invention relates to the technical field of three-dimensional imaging of aggregate particles in civil engineering, in particular to a CT scanning sample loading device and method for aggregate particles. Background technique [0002] Aggregate is an important part of granular building materials such as asphalt mixture and cement concrete, and railway ballast itself is aggregate. It can be seen that aggregate, as a granular material, plays a pivotal role in the field of civil engineering. The mechanical properties of granular materials are not only affected by the strength of the aggregate itself, but also its geometric properties have an important impact on the technical performance of the material. [0003] The morphological characteristics of aggregates can be divided into three scales: shape, edges and textures, but the current morphological evaluation methods of aggregates are mainly aimed at the two-dimensional situation of aggregates, such as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/046G01N15/10
CPCG01N23/046G01N15/10G01N2223/03G01N2223/1016G01N2223/635
Inventor 王端宜唐成邓凯聆陈光伟
Owner SOUTH CHINA UNIV OF TECH
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