期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 136, 期 -, 页码 619-626出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2016.09.013
关键词
Acoustic emission; X-ray computed tomography; Concrete damage; P-wave velocity
资金
- Grants-in-Aid for Scientific Research [15K14023] Funding Source: KAKEN
The durability of concrete structures decreases easily due to such environmental effects. For effective maintenance of concrete structures, it is necessary to evaluate not only the values of mechanical properties but also the degree of damage. In this study, damage estimation of concrete is proposed to be performed, applying AE and X-ray CT. Testing concrete core samples were taken from reinforced concrete columns of an existing canal, which is strongly affected by freeze and thawed process. Thus, a relation between AE and X-ray CT parameters is correlated, and the damage of concrete is quantitatively estimated using AE and X-ray CT. (C) 2016 Elsevier Ltd. All rights reserved.
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