Damage evaluation of concrete plates by high-velocity impact

被引：88

作者：

Beppu, M. ^{[1
]}

Miwa, K. ^{[1
]}

Itoh, M. ^{[2
]}

Katayama, M. ^{[2
]}

Ohno, T. ^{[1
]}

机构：

[1] Natl Def Acad, Dept Civil & Environm Engn, Yokosuka, Kanagawa 2398686, Japan

[2] ITOCHU Technosolut Corp, Sci & Engn Syst Div, Energy & Ind Syst Dept, Impact Dynam & Mat Sci Team, Tokyo 1006080, Japan

来源：

INTERNATIONAL JOURNAL OF IMPACT ENGINEERING | 2008年 / 35卷 / 12期

关键词：

High-velocity impact; Local damage; Concrete plate; Numerical simulation;

D O I：

10.1016/j.ijimpeng.2008.07.021

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper describes the evaluation of the local damage of concrete plates by the impact of high-velocity rigid projectiles. A new launching system of mushroom-shaped projectiles has been developed. Impact tests for concrete plates have been conducted by using the system to examine failure modes of the local damage of concrete plates. The damage or failure behavior has been discussed on the basis of the failure process captured by a high speed video camera and the strain histories obtained by strain gauges on the concrete plate. Numerical simulations have been also carried out in order to explain the mechanism of the local damage observed by the experiment. A reasonable numerical model has been discussed in terms of a constitutive model and strain rate effect of concrete material. Mechanism of the local damage of concrete plates has been illustrated schematically. (C) 2008 Elsevier Ltd. All rights reserved

引用

页码：1419 / 1426

页数：8

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