Damage Evolution Inspection of Rock Using Digital Speckle Correlation Method (DSCM)

Shao, Ping; Wang, Lai Gui; Guo, Jin‐Liang

doi:10.4028/0-87849-415-4.1117

Cited by 2 publications

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“…Experimental works have shown that damage initiation and localisation play an important role in the mechanical behaviour of the sample made of brittle materials [27]. The stress–strain relationship of the specimens is not the direct response of the material, but the average response of the structure (Figure 3).…”

Section: Damage and Fracture Analysis Of Pbxmentioning

confidence: 99%

Study on Fracture Behaviour of a Polymer‐Bonded Explosive Simulant Subjected to Uniaxial Compression Using Digital Image Correlation Method

Zhou

Chen

Duan

et al. 2012

Strain

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Quasi‐static uniaxial compression experiments were conducted on a polymer‐bonded explosive (PBX) simulant. At macro‐scale, the deformation and fracture process of samples were recorded using a charge‐coupled‐device camera. Microscopic examination was conducted to in situ observe the deformation and fracture processes of samples using SEM equipped with a loading stage. Microscopic damage modes, including interfacial debonding and particle fracture, were observed. The digital image correlation (DIC) technique was used to calculate the recorded images, and the macro‐ and micro‐scale displacement and strain fields were determined. Crack initiation, crack propagation, fracture behaviour and failure mechanism of samples were studied. The effects of aspect ratios on fracture behaviour and failure mechanism of PBX simulant were analysed.

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Section: Damage and Fracture Analysis Of Pbxmentioning

confidence: 99%

Study on Fracture Behaviour of a Polymer‐Bonded Explosive Simulant Subjected to Uniaxial Compression Using Digital Image Correlation Method

Zhou

Chen

Duan

et al. 2012

Strain

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The Experimental about the Weak Surface Slop Deformation and Failure under Earthquake Effect

Wang

Yan

2012

AMR

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In order to study the law of containing the weak surface slope deformation and failure under earthquake action simulate under earthquake action deformation and failure of the model which is a single weak surface slope. Use the digital speckle correlation method to deal with the experimental results, and obtain displacement and strain of the slope model. From the experimental results: it can be found the displacement and strain are concentrated in the weak surface , with the continuous vibration, eventually leading to the slope failure. The model crack firstly appears in the top of the experiment picture, and extends downward along the weak surface, thus lead to the model slip.By the experiment picture analyze the causes of the cracks.

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Damage Evolution Inspection of Rock Using Digital Speckle Correlation Method (DSCM)

Cited by 2 publications

References 0 publications

Study on Fracture Behaviour of a Polymer‐Bonded Explosive Simulant Subjected to Uniaxial Compression Using Digital Image Correlation Method

Study on Fracture Behaviour of a Polymer‐Bonded Explosive Simulant Subjected to Uniaxial Compression Using Digital Image Correlation Method

The Experimental about the Weak Surface Slop Deformation and Failure under Earthquake Effect

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