长春工程学院学报（自然科学版）2024，Vol.25Issue(1)：1-6,6.DOI:10.3969/j.issn.1009-8984.2024.01.001
钢纤维混凝土弯曲韧性的试验研究及有限元模拟
Experimental Study and Finite Element Simulation on Flexural Toughness of Steel Fiber Reinforced Concrete
摘要
Abstract
To study the flexural toughness of steel fiber reinforced concrete,different volume proportions of milled steel fibers are used to prepare steel fiber reinforced concrete.The effects of proportion on the load-deflection curve,flexural toughness index,and flexural toughness ratio of steel fiber reinforced concrete beam specimens are studied by experiments.Subsequently,the load-deflection curve and crack propagation process under the same conditions as the experiments are simulated and analyzed by using the finite ele-ment software ABAQUS.The results show that the steel fiber reinforced concrete with a large volume pro-portion has better toughening and crack resistance effect in the later stage of loading.The flexural tough-ness is best when the volume proportion of steel fiber is 1.5%.At the same time,the failure process and characteristics of steel fiber reinforced concrete are analyzed by combining the load-deflection curve and stress cloud map,providing references for the application of steel fiber reinforced concrete in engineering.关键词
钢纤维混凝土/弯曲韧性指数/弯曲韧性比Key words
steel fiber reinforced concrete/flexural toughness index/bending toughness ratio分类
建筑与水利引用本文复制引用
李九阳,陈立,胡广朝,王振伟,郭金鹏,王晓煜..钢纤维混凝土弯曲韧性的试验研究及有限元模拟[J].长春工程学院学报（自然科学版）,2024,25(1):1-6,6.基金项目
吉林省科技发展计划项目(20210203178SF)吉林省科技发展计划项目(20200602002ZP) （20210203178SF）
