摘要
HRBF500钢筋作为一种新型的高强度钢筋,用于铁路、桥梁等工程中,需承受反复荷载.对配有500 MPa细晶粒钢筋的混凝土梁和预应力混凝土梁的疲劳性能进行有限元模拟分析,得到疲劳寿命预测值,并与试验结果进行比较,两者吻合较好.表明笔者采用的数值模拟方法,可较准确地预测HRBF500钢筋混凝土梁的疲劳寿命,为结构疲劳分析提供了有效手段.
As a new high steel,HRBF500 steel is used in railways,bridges and other projects,and it bear repeated loads.In this article,the finite element analysis simulation is done about fatigue performance on both HRBF500 reinforced concrete beams and prestressed concrete beam and obtain fatigue life prediction.Then the the results of calculation are compared with the result of experiment,and the both are close.It is shown that,the finite element analysis method can forecast the fatigue life of HRBF500 reinforced concrete beams.So a good method for analyzing the fatigue performance of reinforced concrete structures is obtained.
出处
《郑州大学学报(工学版)》
CAS
北大核心
2010年第6期10-13,共4页
Journal of Zhengzhou University(Engineering Science)
基金
国家高技术研究发展(863)计划项目子课题(2008AA030704)