Using electric response to mechanical impact for evaluating the durability of the GFRP-concrete bond during the freeze-thaw process

被引：11

作者：

Fursa, T. V. ^{[1
]}

Utsyn, G. E. ^{[1
]}

Korzenok, I. N. ^{[1
]}

Petrov, M. V. ^{[1
]}

Reutov, Yu. A. ^{[2
]}

机构：

[1] Natl Res Tomsk Polytech Univ, Inst Non Destruct Testing, Tomsk 634050, Russia

[2] Inst Strength Phys & Mat Sci SB RAS, Tomsk 634021, Russia

来源：

COMPOSITES PART B-ENGINEERING | 2016年 / 90卷

关键词：

Glass fibres; Fibre/matrix bond; Numerical analysis; Non-destructive testing; REINFORCED POLYMER BARS; ACOUSTIC-EMISSION; PIEZOELECTRIC INCLUSIONS; DIELECTRIC MATERIALS; DIFFUSE ULTRASOUND; DAMAGE; BEAMS; TRANSFORMATIONS; PARAMETERS; EXCITATION;

D O I：

10.1016/j.compositesb.2015.11.026

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The paper proposes a contactless method for assessing the durability of the bond between glass fibre reinforced polymer (GFRP) rebar and concrete under cyclic freeze-thaw conditions. The method is based on measuring the electric response to mechanical impact. Time- and frequency-related features of the measured signals are examined in a series of experiments with an increasing number of freeze-thaw cycles. The results of the theoretical and experimental studies of the electric response parameters under changing conditions of the rebar-concrete interface are presented. The experimental results demonstrate that the proposed method can be used to monitor the behavior of the rebar-concrete bond. The comparison of the proposed method with the acoustic method shows the former's higher sensitivity. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：392 / 398

页数：7

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