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Study of Mechanical Property of Rock under Uniaxial Cyclic Loading and Unloading
Joint Authors
Zhang, Yidong
Ji, Ming
Zhang, Meng
Guo, Hongjun
Source
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-6, 6 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-10-21
Country of Publication
Egypt
No. of Pages
6
Main Subjects
Abstract EN
Through studying the mechanics, energy, and deformation features of rock under uniaxial cyclic loading and unloading, the findings are as follows: (1) under cyclic loading and unloading, the curve of stress and strain for loading and unloading in every cycle was not superposition reciprocally but formed an acutifoliate hysteresis loop.
The distribution of the hysteresis loop became denser with the cycles and moved toward the direction of strain increasing.
(2) The area of the hysteresis loop indicated the inner damage degree of rock.
And the hysteresis energy accumulated was stronger; the damage of rock was more serious.
Furthermore, the hysteresis energy grew linearly along with load, and the hysteresis energy accumulated had a trend exponential growth with cycle continuing.
(3) The elasticity modulus grew in the form of logarithm as a whole.
In each cycle, elasticity modulus for unloading was greater than that for loading.
When it exceeded a certain value, elasticity modulus for reloading was less than elasticity modulus for unloading.
(4) The cyclic loading and unloading had a strength impact that was gradually stronger and stronger as the cycle went on the sample of rock.
American Psychological Association (APA)
Guo, Hongjun& Ji, Ming& Zhang, Yidong& Zhang, Meng. 2018. Study of Mechanical Property of Rock under Uniaxial Cyclic Loading and Unloading. Advances in Civil Engineering،Vol. 2018, no. 2018, pp.1-6.
https://search.emarefa.net/detail/BIM-1115457
Modern Language Association (MLA)
Guo, Hongjun…[et al.]. Study of Mechanical Property of Rock under Uniaxial Cyclic Loading and Unloading. Advances in Civil Engineering No. 2018 (2018), pp.1-6.
https://search.emarefa.net/detail/BIM-1115457
American Medical Association (AMA)
Guo, Hongjun& Ji, Ming& Zhang, Yidong& Zhang, Meng. Study of Mechanical Property of Rock under Uniaxial Cyclic Loading and Unloading. Advances in Civil Engineering. 2018. Vol. 2018, no. 2018, pp.1-6.
https://search.emarefa.net/detail/BIM-1115457
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1115457