Experimental Study on Spall Resistance of Steel-Fiber Reinforced Concrete Slab Subjected to Explosion

被引：0
|
作者：
Dapeng Yang
Bei Zhang
Guojun Liu
机构：
[1] AMS,Institute of Defense Engineering
[2] PLA,Institute of Defense Engineering
[3] AMS,undefined
[4] PLA,undefined
来源：
International Journal of Concrete Structures and Materials | 2021年 / 15卷
关键词：
steel-fiber reinforced concrete slab; explosion test; steel-fiber parameters; spall damage;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Steel-fiber reinforced concrete slabs have good blast and spall resistance. In this study, compression and splitting tensile experiments were carried out to obtain the basic quasi-static mechanical properties of the steel-fiber concrete specimens and the influence of steel-fiber parameters was revealed. In-field explosion experiments were performed to study the dynamic responses and damage modes of the steel-fiber reinforced concrete slabs. Five typical spall damage modes were observed, the distribution law of the spalling fragments was obtained, and the influence of steel-fiber shape, length, length–diameter ratio and volume percentage on the spall performance were revealed. These results will provide a basis for the application of steel-fiber reinforced concrete slabs in protective structures.
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