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Interaction between offset parallel cracks in rock

ZHU Di-jie 1, CHEN Zhong-hui 1, XI Jing-yi 2, YANG Deng-feng 1 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017

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Author / responsible party
ZHU Di-jie 1, CHEN Zhong-hui 1, XI Jing-yi 2, YANG Deng-feng 1
Publisher
Editorial Office of Chinese Journal of Geotechnical Engineering
Year
2017
ISSN
1000-4548
ISSN
1000-4548
Language
English
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3D cross-hole resistivity inversion imaging of surrounding rock based on distance weighting constraint algorithm

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The interaction of cracks with different locations and sizes is a key factor leading to the damage of rock. Based on the Kachanov method, the interaction rules between two offset parallel cracks with different level intervals, vertical intervals, crack lengths and crack angles are investigated by analyzing the stress intensity factor ratios under tension-shear stress and compression-shear stress. The compression tests on rock-like specimens with two unequal offset parallel cracks are performed, and the theoretical analysis is proved through the researches on the crack initiation and initial stress variation rules. The results shows that the offset parallel cracks exist reinforcing effect, shielding effect and null effect, and the three effects transform mutually along with the variations of level intervals, vertical intervals, crack lengths and angles. The reinforcing effect and shielding effect become more and more severe with the decrease of distance to the crack tip, and KI changes greatly when the crack angle is 60°and KII changes greatly when the crack angle is 30°.

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APA 7

ZHU Di-jie 1, C. Z. H. 1. X. J. Y. 2. Y. D. F. 1. (2017). Interaction between offset parallel cracks in rock. https://doi.org/10.11779/CJGE201702006

MLA

ZHU Di-jie 1, CHEN Zhong-hui 1, XI Jing-yi 2, YANG Deng-feng 1. "Interaction between offset parallel cracks in rock." 2017. https://doi.org/10.11779/CJGE201702006.

Chicago

ZHU Di-jie 1, CHEN Zhong-hui 1, XI Jing-yi 2, YANG Deng-feng 1. 2017. "Interaction between offset parallel cracks in rock.". https://doi.org/10.11779/CJGE201702006.

Harvard

ZHU Di-jie 1, C. Z. H. 1. X. J. Y. 2. Y. D. F. 1. 2017, Interaction between offset parallel cracks in rock, Editorial Office of Chinese Journal of Geotechnical Engineering, available at: https://doi.org/10.11779/CJGE201702006 [Accessed 8 Aug. 2026].

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Title
Interaction between offset parallel cracks in rock
Author / contributors
ZHU Di-jie 1, CHEN Zhong-hui 1, XI Jing-yi 2, YANG Deng-feng 1
Publisher
Editorial Office of Chinese Journal of Geotechnical Engineering
Publication year
2017
ISSN
1000-4548
ISSN
1000-4548
Language
English

Subjects

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offset parallel crack; kachanov method; stress intensity factor; interaction; rock-like experiment
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