Acoustic emission monitoring of granite under bending and shear loading

被引：31

作者：

Mpalaskas, A. C. ^{[1
]}

Matilzas, T. E. ^{[1
]}

Van Hemelrijck, D. ^{[2
]}

Papakitsos, G. S. ^{[1
]}

Aggelis, D. G. ^{[2
]}

机构：

[1] Univ Ioannina, Dept Mat Sci & Engn, GR-45110 Ioannina, Greece

[2] Vrije Univ Brussel, Dept Mech Mat & Construct, Brussels, Belgium

来源：

ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING | 2016年 / 16卷 / 03期

关键词：

Bending; Shear; Granite; Acoustic signature; Rise time; REINFORCED-CONCRETE; DAMAGE EVOLUTION; FRACTURE; CLASSIFICATION; COMPRESSION; MECHANISMS; FAILURE;

D O I：

10.1016/j.acme.2016.01.006

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In this study bending and shear fracture experiments on healthy and adhesively repaired granite samples with concurrent acoustic emission (AE) monitoring are discussed. AE can characterize the difference between the fracture modes using simple features analysis based on the activity of the early loading. It is the first time that such a direct correspondence between the stress field and the results of a monitoring technique emerge for granite. This offers new insight in the material's behavior especially in relation to complicated geometries where the dominant stress mode is not known a priori. (C) 2016 Politechnika Wroclawska. Published by Elsevier Sp. z o.o. All rights reserved.

引用

页码：313 / 324

页数：12

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