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引言火灾给人类的生产生活带来了极大的危害,是目前造成伤亡人数仅次于矿难的灾难。自十八世纪中期工业革命以来,钢筋混凝土在建筑产业所占的比重日益增加,因此,研究钢筋混凝土的抗火性能对预防和控制火灾的发生尤为重要。本文介绍了一种运用大型有限元分析软件ANSYS模拟火灾下钢筋混凝土的有限元方法,建立了相应的计算模型,对钢筋混凝土抗火性能的研究提供了一定的参考。
INTRODUCTION The fire has brought great harm to the life and production of human beings. It is the disaster that causes the casualties at present only after the mine disaster. Since the industrial revolution in the middle of the eighteenth century, the proportion of reinforced concrete in the construction industry has been increasing. Therefore, studying the fire resistance of reinforced concrete is particularly important in preventing and controlling the occurrence of fire. In this paper, a finite element method for simulating fire-damaged reinforced concrete with large-scale finite element analysis software ANSYS is introduced. Corresponding calculation models are established to provide some references for the research of fire resistance of reinforced concrete.