| Brittle Creep Failure, Critical Behavior, and Time-to-Failure Prediction of Concrete under Uniaxial Compression | |
Wang YC; Zhou N; Chang FQ; Hao SW(郝圣旺) ; Hao, SW (reprint author), Yanshan Univ, Sch Civil Engn & Mech, Qinhuangdao 066004, Peoples R China.
| |
| Source Publication | ADVANCES IN MATERIALS SCIENCE AND ENGINEERING
 |
| 2015 | |
| Pages | 101035 |
| ISSN | 1687-8434 |
| Abstract | Understanding the time-dependent brittle deformation behavior of concrete as a main building material is fundamental for the lifetime prediction and engineering design. Herein, we present the experimental measures of brittle creep failure, critical behavior, and the dependence of time-to-failure, on the secondary creep rate of concrete under sustained uniaxial compression. A complete evolution process of creep failure is achieved. Three typical creep stages are observed, including the primary (decelerating), secondary (steady state creep regime), and tertiary creep (accelerating creep) stages. The time-to-failure shows sample-specificity although all samples exhibit a similar creep process. All specimens exhibit a critical power-law behavior with an exponent of -0.51 +/- 0.06, approximately equal to the theoretical value of -1/2. All samples have a long-term secondary stage characterized by a constant strain rate that dominates the lifetime of a sample. The average creep rate expressed by the total creep strain over the lifetime (t(f) - t(0)) for each specimen shows a power-law dependence on the secondary creep rate with an exponent of -1. This could provide a clue to the prediction of the time-to-failure of concrete, based on the monitoring of the creep behavior at the steady stage. |
| DOI | 10.1155/2015/101035 |
| URL | 查看原文 |
| Indexed By | SCI ; EI |
| Language | 英语 |
| WOS ID | WOS:000362753900001 |
| WOS Keyword | FRACTURE-BEHAVIOR ; TENSILE CREEP ; BASIC CREEP ; SHRINKAGE ; MODEL ; STATISTICS ; ROCK ; AGE |
| WOS Research Area | Materials Science |
| WOS Subject | Materials Science, Multidisciplinary |
| Funding Organization | This work is supported by National Basic Research Program of China (Grant 2013CB834100) and Natural Science Foundation of Hebei Province (D2015203398). The authors acknowledge the useful comments of the editor, Joao M. P. Q. Delgado, and of the anonymous reviewers. |
| Department | LNM材料的分子/细观统计力学行为 |
| Classification | Q4 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/58404 |
| Collection | 非线性力学国家重点实验室 |
| Corresponding Author | Hao, SW (reprint author), Yanshan Univ, Sch Civil Engn & Mech, Qinhuangdao 066004, Peoples R China. |
| Recommended Citation GB/T 7714 | Wang YC,Zhou N,Chang FQ,et al. Brittle Creep Failure, Critical Behavior, and Time-to-Failure Prediction of Concrete under Uniaxial Compression[J]. ADVANCES IN MATERIALS SCIENCE AND ENGINEERING,2015:101035. |
| APA | Wang YC,Zhou N,Chang FQ,郝圣旺,&Hao, SW .(2015).Brittle Creep Failure, Critical Behavior, and Time-to-Failure Prediction of Concrete under Uniaxial Compression.ADVANCES IN MATERIALS SCIENCE AND ENGINEERING,101035. |
| MLA | Wang YC,et al."Brittle Creep Failure, Critical Behavior, and Time-to-Failure Prediction of Concrete under Uniaxial Compression".ADVANCES IN MATERIALS SCIENCE AND ENGINEERING (2015):101035. |
| Files in This Item: | Download All | |||||
| File Name/Size | DocType | Version | Access | License | ||
| J2015-046.pdf（2655KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | View Download | |
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment