Application of elastic wave tomography method for damage evaluation in a large-scale reinforced concrete structure

Application of elastic wave tomography method for damage evaluation in a large-scale reinforced concrete structure
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弹性波层析成像方法在大型钢筋混凝土结构损伤评估中的应用

DOI:
10.1016/j.dibe.2023.100127
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发表时间:
2023
影响因子:
8.2
通讯作者:
Shiotani Tomoki
Shiotani Tomoki
中科院分区:
工程技术2区
文献类型:
--
作者:
Sagradyan Artur;Ogura Norihiko;Shiotani Tomoki

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建筑工程的质量控制和新建钢筋混凝土结构缺陷的表征是一个重要问题。通常情况下,这类缺陷可以通过目测的方式进行评估,但也有一些情况下,无法通过目测来可靠地评估损伤。在这种情况下,可以使用无损检测方法。在这项研究中,我们报告了应用弹性波层析成像方法对新建钢筋混凝土桥墩缺陷进行评估的结果。采用弹性波层析成像方法,检测到桥墩内部存在较大的空洞。由于存在较大缺陷,该结构被拆除。对拆除后的桥墩单元进行了目视观测,验证了弹性波层析成像方法的结果。
Quality control of construction works and characterization of defects in newly built reinforced concrete structures is an important issue. Usually, these kinds of defects can be evaluated by means of visual inspection, however, there are cases, in which damage cannot be reliably evaluated visually. In this situation, Non-Destructive Testing methods can be used. In this study we report the results of application of Elastic Wave Tomography method for evaluation of a defect in a newly built reinforced concrete bridge pier. A large void located inside the bridge pier was detected using Elastic Wave Tomography method. Due to the presence of the large defect the structure was demolished. Elements of the demolished bridge pier were visually observed, which allowed to confirm the results of Elastic Wave Tomography method.
通过断层扫描和声发射分析评估混凝土坝内部的损坏
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