Compressive and cyclic flexural response of double-hooked-end steel fiber reinforced concrete

作     者：Demewoz W.MENNA Aikaterini S.GENIKOMSOU Mark F.GREEN Demewoz W.MENNA;Aikaterini S.GENIKOMSOU;Mark F.GREEN

作者机构：Department of Civil EngineeringQueen’s UniversityKingstonON K7L 3N6Canada 

出 版 物：《Frontiers of Structural and Civil Engineering》 (结构与土木工程前沿（英文版）)

年 卷 期：2022年第16卷第9期

页      面：1104-1126页

核心收录：

学科分类：08[工学] 081402[工学-结构工程] 081304[工学-建筑技术科学] 0813[工学-建筑学] 0814[工学-土木工程] 

基　　金：The authors would like to thank the MasterCard Foundation Scholars Program for the financial support provided to the first author 

主　　题：steel fiber reinforced concrete fiber geometry cyclic loading energy dissipation finite element modeling inverse analysis 

摘      要：Recent developments on high-performance double-hooked-end steel fibers have enhanced the wide applications of steel fiber reinforced concrete(SFRC).This study presents the compressive properties and the cyclic flexural performance of the SFRC that were experimentally *** different double-hooked-end steel fibers at 0.25%,0.5%,0.75%,and 1%volume fractions were *** fiber types had similar length to diameter ratios,while the first two fiber types had similar anchorage mechanisms(4D)and tensile strength and the third type had different anchorage mechanism(5D)and a higher tensile *** increased volumetric ratio of the fibers increased the post-peak compressive strain(ductility),the tensile strength,and the cyclic flexural strength and cumulative energy dissipation characteristics of the *** the 4D fibers,the mixtures with the larger steel fibers showed higher flexural strength and more energy dissipation compared to the SFRCs with smaller size *** 1%steel fiber dosage,4D and 5D specimens showed similar cyclic flexural ***,a 3D finite element model that can predict the monotonic and cyclic flexural responses of the double-hooked-end SFRC was *** calibration process considered the results obtained from the inverse analysis to determine the tensile behavior of the SFRC.