Strain Measuring of Composite Grid Using Digital Image Correlation
Digital Image Correlation (DIC) is a new advanced technique for measuring the deformation of a specimen using high-resolution images. It has been used by numerous researchers since it can measure the deformation of specimens without interference because it is contactless. Moreover, the DIC technique...
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| Format: | Article |
| Language: | English |
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Wiley
2022-01-01
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| Series: | Advances in Materials Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2022/6041887 |
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| author | Chhoung Lim Yeongseok Jeong Suchart Limkantanyu Minho Kwon |
| author_facet | Chhoung Lim Yeongseok Jeong Suchart Limkantanyu Minho Kwon |
| author_sort | Chhoung Lim |
| collection | DOAJ |
| description | Digital Image Correlation (DIC) is a new advanced technique for measuring the deformation of a specimen using high-resolution images. It has been used by numerous researchers since it can measure the deformation of specimens without interference because it is contactless. Moreover, the DIC technique can be applied to any materials to which normal measuring equipment is difficult to attach such as Fiber-Reinforced Polymer (FRP) grid in this paper, undulated and small surfaces. The DIC technique is easy to set up and provides reliable results compared to conventional equipment like a strain gauge. Although it is good, its associated equipment is too expensive to be readily affordable. Hence, this paper uses an open-source DIC program called Ncorr that works in MATLAB to analyze deformations of six FRP grids from direct tensile tests by comparing their results to the results from a strain gauge. Young’s modulus—calculated from ASTM 3039, ACI 440-3R-04, and regression analysis—of each specimen will be used for comparison. The results show that the difference between Young’s modulus from DIC and strain gauge is <5% if the stress–strain graph of data from the strain gauge is perfectly linear without straying. |
| format | Article |
| id | doaj-art-b39834227af143d598a3c6341d26af3e |
| institution | Kabale University |
| issn | 1687-8442 |
| language | English |
| publishDate | 2022-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Materials Science and Engineering |
| spelling | doaj-art-b39834227af143d598a3c6341d26af3e2025-02-03T06:05:48ZengWileyAdvances in Materials Science and Engineering1687-84422022-01-01202210.1155/2022/6041887Strain Measuring of Composite Grid Using Digital Image CorrelationChhoung Lim0Yeongseok Jeong1Suchart Limkantanyu2Minho Kwon3Department of Civil EngineeringDepartment of Civil EngineeringDepartment of Civil EngineeringDepartment of Civil EngineeringDigital Image Correlation (DIC) is a new advanced technique for measuring the deformation of a specimen using high-resolution images. It has been used by numerous researchers since it can measure the deformation of specimens without interference because it is contactless. Moreover, the DIC technique can be applied to any materials to which normal measuring equipment is difficult to attach such as Fiber-Reinforced Polymer (FRP) grid in this paper, undulated and small surfaces. The DIC technique is easy to set up and provides reliable results compared to conventional equipment like a strain gauge. Although it is good, its associated equipment is too expensive to be readily affordable. Hence, this paper uses an open-source DIC program called Ncorr that works in MATLAB to analyze deformations of six FRP grids from direct tensile tests by comparing their results to the results from a strain gauge. Young’s modulus—calculated from ASTM 3039, ACI 440-3R-04, and regression analysis—of each specimen will be used for comparison. The results show that the difference between Young’s modulus from DIC and strain gauge is <5% if the stress–strain graph of data from the strain gauge is perfectly linear without straying.http://dx.doi.org/10.1155/2022/6041887 |
| spellingShingle | Chhoung Lim Yeongseok Jeong Suchart Limkantanyu Minho Kwon Strain Measuring of Composite Grid Using Digital Image Correlation Advances in Materials Science and Engineering |
| title | Strain Measuring of Composite Grid Using Digital Image Correlation |
| title_full | Strain Measuring of Composite Grid Using Digital Image Correlation |
| title_fullStr | Strain Measuring of Composite Grid Using Digital Image Correlation |
| title_full_unstemmed | Strain Measuring of Composite Grid Using Digital Image Correlation |
| title_short | Strain Measuring of Composite Grid Using Digital Image Correlation |
| title_sort | strain measuring of composite grid using digital image correlation |
| url | http://dx.doi.org/10.1155/2022/6041887 |
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