Relation between damage processes of reinforced concrete under uniaxial compression and electric response to pulsed mechanical impact

被引：0
|
作者：
Petrov, M. [1 ]
Fursa, T. [1 ]
Dann, D. [1 ]
机构：
[1] Natl Res Tomsk Polytech Univ, 30 Lenin Ave, Tomsk 634050, Russia
来源：
1ST INTERNATIONAL CONFERENCE OF THE GREEK SOCIETY OF EXPERIMENTAL MECHANICS OF MATERIALS (GSEMM) | 2018年 / 10卷
基金：
俄罗斯科学基金会;
关键词：
Reinforced concrete; uniaxial compression; deformation; fracture; mechanoelectric transformations; nondestructive testing; PARAMETERS;
D O I：
10.1016/j.prostr.2018.09.042
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The main regularities of the relation between the actual destruction of reinforced concrete samples under uniaxial compression and the characteristics of fracture mechanics and indirect physical parameters are investigated in this work. Studies of samples with different types of reinforcement and different strength of concrete are carried out. Destruction stages of reinforced concrete under uniaxial compression are established and the corresponding diagnostic criteria of evaluation are proposed. The evaluation procedure is based on measuring the electric response to a weak mechanical impact. Measurements of the electric response are carried out periodically during a gradual increase of external load. Analysis of signals in the time and frequency domain is the basis of the algorithm used for evaluating the degradation processes of reinforced concrete under uniaxial compression. (C) 2018 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：303 / 310
页数：8
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