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Scaling law of average failure rate and steady-state rate in rocks
Hao SW(郝圣旺); Liu C; Wang YC; Chang FQ; Hao, SW (reprint author), Yanshan Univ, Sch Civil Engn & Mech, Qinhuangdao, Peoples R China.; Hao, SW (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing, Peoples R China.
Source PublicationPURE AND APPLIED GEOPHYSICS
2017-06-01
Volume174Issue:6Pages:2199-2215
ISSN0033-4553
AbstractThe evolution properties in the steady stage of a rock specimen are reflective of the damage or weakening growth within and thus are used to determine whether an unstable transition occurs. In this paper we report the experimental results for rock (granite and marble) specimens tested at room temperature and room humidity under three typical loading modes: quasi-static monotonic loading brittle creep and brittle creep relaxation. Deformed rock specimens in current experiments exhibit an apparent steady stage characterized by a nearly constant evolution rate which dominates the lifetime of the rock specimens. The average failure rate presents a common power-law relationship with the evolution rate in the steady stage although the exponent is different for different loading modes. The results indicate that a lower ratio of the slope of the secondary stage with respect to the average rate of the entire lifetime implies a more brittle failure.
KeywordSteady Stage Time-to-failure Failure Mode Rock
DOI10.1007/s00024-017-1523-0
Indexed BySCI ; EI
Language英语
WOS IDWOS:000403373300002
WOS KeywordUNIAXIAL COMPRESSION ; BRITTLE DEFORMATION ; CREEP ; FATIGUE ; GRANITE ; TIME ; FRACTURE ; LOCALIZATION ; EARTHQUAKE ; STABILITY
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
Funding OrganizationNational Natural Science Foundation of China(11672258) ; National Basic Research Program of China(2013CB834100) ; Natural Science Foundation of Hebei Province(D2015203398)
ClassificationQ3
Ranking1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60514
Collection非线性力学国家重点实验室
Corresponding AuthorHao, SW (reprint author), Yanshan Univ, Sch Civil Engn & Mech, Qinhuangdao, Peoples R China.; Hao, SW (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing, Peoples R China.
Recommended Citation
GB/T 7714
Hao SW,Liu C,Wang YC,et al. Scaling law of average failure rate and steady-state rate in rocks[J]. PURE AND APPLIED GEOPHYSICS,2017,174(6):2199-2215.
APA 郝圣旺,Liu C,Wang YC,Chang FQ,Hao, SW ,&Hao, SW .(2017).Scaling law of average failure rate and steady-state rate in rocks.PURE AND APPLIED GEOPHYSICS,174(6),2199-2215.
MLA 郝圣旺,et al."Scaling law of average failure rate and steady-state rate in rocks".PURE AND APPLIED GEOPHYSICS 174.6(2017):2199-2215.
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