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Bond-Slip Behaviors Between BFRP Bar and Ecological High Ductility Concrete Using the Beam Test
Li-Juan Chai,Li-Ping Guo,Bo Chen,Zhu Li,Rui Ma,Kai Li 대한토목학회 2023 KSCE Journal of Civil Engineering Vol.27 No.12
To better understand the design parameters of bridge deck link slab made by basalt fiber reinforced polymer (BFRP) bar and ecological high ductility concrete (Eco-HDC), the bond behaviors of BFRP bar embedded in Eco-HDC using beam test based on RILEM standard were studied. The beam specimens had variable factors namely diameter of BFRP bar, embedment length and cover thickness. The results indicate that most beam specimens display a failure mode of BFRP bar pulled out with specimen splitting. Besides, with the increase of diameter and embedment length, the bond strength decreases. While as the cover thickness increases, the bond strength and first bond stress show an increasing trend. The free end slip increases as the embedment length or cover thickness increases. In addition, the strain at loaded end is larger than that at free end as the load increases. Moreover, the formulas of bond strength and peak slip are proposed based on the test data of specimens. At last, embedment length and cover thickness of BFRP bar in the bridge deck link slab are recommended.
Morphology of the human xiphoid process: dissection and radiography of cadavers and MDCT of patients
Xie, Yuan-Zhong,Wang, Bao-Jian,Yun, Jae Sung,Chung, Gung Ho,Ma, Zhen-Bo,Li, Xiu Juan,Kim, Ik Seong,Chai, Ok Hee,Han, Eui-Hyeog,Kim, Hyoung Tae,Song, Chang Ho Springer-Verlag 2014 Surgical and radiologic anatomy Vol.36 No.3