钢筋锈蚀对混凝土开裂影响的数值模拟方法综述

国钦 窦(北京中水科工程集团有限公司，中国)
宗峰 孙(北京中水科工程集团有限公司，中国)
鹏 娄(北京中水科工程集团有限公司，中国;中国水利水电科学研究院，中国)

摘要

对钢筋锈蚀引发混凝土开裂的研究进行了综述，从数值模拟角度总结了相关研究的成果。将获取的钢筋锈蚀非均匀分布的实际情况，作为有限元分析的位移荷载输入，可对非均匀锈蚀混凝土构件锈裂过程进行模拟。考虑混凝土开裂后的截面间相互影响，混凝土锈裂的数值模拟应从原常用的混凝土内部带圆孔的二维模型向三维模型发展。

关键词

钢筋锈蚀；数值模拟；混凝土结构；开裂

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DOI: http://dx.doi.org/10.12345/gcjsygl.v5i20.8872