Numerical study on damage mechanism of RC beams under close-in blast loading

被引：57
|
作者：
Yan, Bo [1 ]
Liu, Fei [1 ]
Song, DianYi [1 ]
Jiang, ZhiGang [1 ]
机构：
[1] Natl Univ Def Technol, Coll Basic Educ, Changsha 410073, Hunan, Peoples R China
来源：
ENGINEERING FAILURE ANALYSIS | 2015年 / 51卷
关键词：
Damage mechanism; RC beam; Close-in blast loading; Numerical simulation; REINFORCED-CONCRETE SLAB; RESISTANCE CAPACITY; SPALLATION;
D O I：
10.1016/j.engfailanal.2015.02.007
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
RC structures have been widely used in civil engineering, and are vulnerable under blast loading. Improved understanding of damage mechanism of RC components helps advances the damage evaluation of RC structures under blast loading. In this paper, damage mechanisms of RC beam under close-in blast loading are investigated numerically. The FE model is validated through the experimental data reported by other researchers. A comprehensive investigation is carried out to investigate the damage mechanisms of RC beam, including the propagation of the main cracks, spallation at the bottom and the exfoliation of the side-cover concrete. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：9 / 19
页数：11
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