荷载多变的混凝土弯曲疲劳数值仿真  

Numerical Simulation of Bending Fatigue of Concrete with Variable Load

作　　者：赵国良 董成 王雷 ZHAO Guo-liang;DONG Cheng;WANG lei(College of Civil Engineering,Hebei University of Water Resources and Electric Engineering,Cangzhou Hebei 061001,China;School of civil Engineering and Transportation,Hebei University of Technology,Tianjin 300131,China)

机构地区：[1]河北水利电力学院土木工程学院,河北沧州061001 [2]河北工业大学土木与交通学院,天津300131

出　　处：《计算机仿真》2022年第9期343-347,414,共6页Computer Simulation

摘　　要：混凝土结构在载荷作用下会出现弯曲等疲劳状态,弯曲疲劳是混凝土的主要破坏形式之一,为提升混凝土结构的稳定性,提出一种荷载作用下混凝土弯曲疲劳性能仿真分析方法。分析混凝土疲劳性能相关理论,获取混凝土弯曲承载计算结果。通过ABAQUS有限元软件构建对应的有限元模型,同时将其应用到有限元ABAQUS中,组建混凝土弯曲疲劳性能仿真分析平台,通过平台对不同载荷作用下的力学性能进行分析。经实验测试充分验证了所提方法的有效性和实用性。Concrete structures may appear bending or show some fatigue states under load. Flexural fatigue is one of the main failure modes of concrete. In order to improve the stability of concrete structures, this paper presented a method of simulating and analyzing the performance of concrete flexural fatigue under load. At first, the relevant theories of concrete fatigue performance were analyzed and the concrete bending load was calculated. And then, corresponding finite element model was constructed by ABAQUS finite element software. Meanwhile, this model was applied to ABAQUS to build a platform for simulating and analyzing concrete bending fatigue performance. Finally, the mechanical performance under different loads was analyzed through the platform. Experimental tests fully verified the effectiveness and practicability of the proposed method.

关 键 词：荷载作用 混凝土 弯曲疲劳性能 仿真分析 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]