Fatigue Characteristics of Limestone under Triaxial Compression with Cyclic Loading
Joint Authors
Yang, Yongjie
Duan, Huiqiang
Xing, Luyi
Ning, Shan
Lv, Jiakun
Source
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-12, 12 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-09-02
Country of Publication
Egypt
No. of Pages
12
Main Subjects
Abstract EN
This paper presents an experimental investigation of the fatigue properties of limestone subjected to triaxial compression with axial cyclic loading.
Tests were conducted on intact limestone samples with a loading frequency of 0.5 Hz and a confining pressure of 10 MPa.
The test results show the following five points.
(1) Under triaxial conditions, the axial and circumferential deformations at the failure point induced by cyclic loading are slightly larger than the corresponding deformations at the peak stress achieved by conventional compression tests.
(2) The first level cyclic loading process has a strong influence on rock deformation in the primary phase during subsequent level cyclic loading.
A smaller difference in stress amplitude between the two loading stress levels leads to less deformation during the latter.
(3) Circumferential and volumetric changes are more sensitive to fatigue failure in terms of deformation and strain rate than axial changes.
(4) The three phases of dissipated energy evolution are consistent with a sample’s deformation such that the energy dissipation characteristics reflect the fatigue damage evolution process.
(5) A new damage formula is proposed that can concisely describe a rock’s zero-cycle damage and damage evolution.
American Psychological Association (APA)
Yang, Yongjie& Duan, Huiqiang& Xing, Luyi& Ning, Shan& Lv, Jiakun. 2018. Fatigue Characteristics of Limestone under Triaxial Compression with Cyclic Loading. Advances in Civil Engineering،Vol. 2018, no. 2018, pp.1-12.
https://search.emarefa.net/detail/BIM-1116782
Modern Language Association (MLA)
Yang, Yongjie…[et al.]. Fatigue Characteristics of Limestone under Triaxial Compression with Cyclic Loading. Advances in Civil Engineering No. 2018 (2018), pp.1-12.
https://search.emarefa.net/detail/BIM-1116782
American Medical Association (AMA)
Yang, Yongjie& Duan, Huiqiang& Xing, Luyi& Ning, Shan& Lv, Jiakun. Fatigue Characteristics of Limestone under Triaxial Compression with Cyclic Loading. Advances in Civil Engineering. 2018. Vol. 2018, no. 2018, pp.1-12.
https://search.emarefa.net/detail/BIM-1116782
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1116782