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Experimental Study on Flexural Behavior of Impact-Damaged Reinforced Concrete Beams
The dynamic behavior of reinforced concrete (RC) structures under impact loadings has received great attention from civil engineers and researchers. However, few studies have been conducted to evaluate the flexural behavior of the impact-damaged RC beams. In order to further understand the effect of impact loading on the residual flexural behavior of RC beams, simply-supported RC beams with stirrups were impacted by a drop-weight hammer. Subsequently, the static tests were conducted on the impact-damaged beams to obtain the residual behavior. Another RC beam for comparison was loaded to failure without impacted damage. The crack patterns of the specimens were observed in order to investigate the mechanical behavior in detail. The effects of impact energy on the residual flexural resistance and mid-span deformation of the impact-damaged beams are discussed. The results of tests illustrate that the significant strain hardening effect should be considered in order to evaluate the residual flexural capacity of the impact-damaged beams reasonably.
Experimental Study on Flexural Behavior of Impact-Damaged Reinforced Concrete Beams
The dynamic behavior of reinforced concrete (RC) structures under impact loadings has received great attention from civil engineers and researchers. However, few studies have been conducted to evaluate the flexural behavior of the impact-damaged RC beams. In order to further understand the effect of impact loading on the residual flexural behavior of RC beams, simply-supported RC beams with stirrups were impacted by a drop-weight hammer. Subsequently, the static tests were conducted on the impact-damaged beams to obtain the residual behavior. Another RC beam for comparison was loaded to failure without impacted damage. The crack patterns of the specimens were observed in order to investigate the mechanical behavior in detail. The effects of impact energy on the residual flexural resistance and mid-span deformation of the impact-damaged beams are discussed. The results of tests illustrate that the significant strain hardening effect should be considered in order to evaluate the residual flexural capacity of the impact-damaged beams reasonably.
Experimental Study on Flexural Behavior of Impact-Damaged Reinforced Concrete Beams
Liu, Hanqing (author) / Hu, Kaiying (author) / Huo, Jingsi (author) / Liu, Yanzhi (author)
Seventh China-Japan-US Trilateral Symposium on Lifeline Earthquake Engineering ; 2016 ; Shanghai, China
2017-08-10
Conference paper
Electronic Resource
English
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