龙士国;许文宗;唐海翔;唐好文;

• 1:湘潭大学土木工程与力学学院

摘要(Abstract)：

利用COMSOL进行不同应力下锚具声学特性的有限元分析，并通过试验对不同应力下的锚具进行声学特性试验研究，对时域信号进行傅立叶变换得到频谱信号，对频谱信号进行归一化及对数正态分布拟合，得到钢绞线预应力与对数标准差λ之间的关系。结果表明：对数标准差λ与钢绞线预应力之间存在着良好的对数函数关系，在不同钢绞线预应力下，可以通过测量锚头的对数标准差λ来确定钢绞线预应力值，为钢绞线预应力的检测提供了一种方便、快捷的测量方式。

关键词(KeyWords)： 钢绞线;预应力;有限元分析;对数正态分布;透射法

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目（编号：11172258）;; 湖南省科技厅重大科技项目（编号：2017SK1010）;; 湖南省教育厅重大科研项目（编号：16A209）

作者(Authors): 龙士国;许文宗;唐海翔;唐好文;

DOI: 10.14188/j.1671-8844.2023-02-010

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