剥落
射弹
抗冲击性
渗透(战争)
结构工程
穿孔
抗压强度
材料科学
钢筋
骨料(复合)
钢筋混凝土
岩土工程
复合材料
工程类
冲孔
冶金
运筹学
作者
Mohamed Esaker,Georgia E. Thermou,Luís Neves
标识
DOI:10.1016/j.ijimpeng.2023.104722
摘要
This paper summarises the research carried out to date on the impact resistance of concrete subjected to different impact load regimes, with a focus on high-velocity projectile impact load. An experimental database is compiled on the response of concrete elements to high-speed projectile impacts, which is used to identify the critical failure modes of concrete under impact loads (i.e. spalling, scabbing, penetration, and perforation of the targeted specimens) and the parameters influencing the impact resistance of concrete (i.e. velocity, mass and shape of the projectile, concrete compressive strength, type and size of aggregate, and type and ratio of reinforcement). In addition, the adequacy of existing empirical formulas to predict the penetration depth is assessed by using the experimental database. A critical discussion highlights the effect of various design parameters on the impact resistance of concrete and determines the key aspects that should be addressed in future research.
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