摘要
首先通过FORTRAN90语言采用广义雅可比法来计算钢筋混凝土梁的自振频率,然后用ANSYS对钢筋混凝土梁自振频率进行分析,通过这两种算法的对比,建立受腐蚀钢筋混凝土梁的有限元计算模型,对遭受不同腐蚀程度下的钢筋混凝土梁固有频率进行分析。通过分析可知,钢筋混凝土梁的固有频率会随着腐蚀程度的加深而降低。
Vibration frequency of the reinforced concrete beam is calculated by the generalized Jacobi method with FORTRAN90 language,and ANSYS method.To compare with the two methods,through the comparison of these two kinds of algorithms,finite element calculation model which is set up by the corrosion of the reinforced concrete beam is used to analyse vibration frequency of the beam suffered from different degree of corrosion.The analysis show that the natural frequency of the beam reduced by corrosion deepening.
出处
《四川建筑科学研究》
2014年第4期118-120,共3页
Sichuan Building Science
关键词
氯盐
硫酸盐
共同侵蚀
固有频率
chlorine salt
sulfate
common erosion
natural frequency
