徐恒志;刘才玮;苗吉军;肖建庄;张铭良;

• 1:青岛理工大学土木工程学院
• 2:同济大学建筑工程系

摘要(Abstract)：

为建立适用于混凝土T形梁的有限元模型,以钢筋混凝土T形简支梁为研究对象,利用联合静动力的有限元模型修正方法对混凝土T形叠合梁进行模型修正.首先利用ANSYS建立混凝土T形简支梁有限元模型,根据工程经验初选混凝土弹性模量等待修正参数.构造实测响应与相应响应差值的目标函数,通过灵敏度分析,筛选待修正参数并设定待修正参数取值区间,在区间内选取5组随机的参数值作为"试验"模型,利用联合静动力的修正方法对参数进行迭代修正,修正后模型的静动力响应计算值与"试验"值吻合较好.在简支梁的基础上,将此修正方法推广到三跨连续梁,修正结果良好,验证了该方法的适用性和准确性.

关键词(KeyWords)： 钢筋混凝土;有限元模型修正;联合静动力测试;钢筋混凝土T形梁

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(51608289);; 中国博士后基金资助项目(2018M632640);; 山东省博士后创新项目(2019057);; 青岛市博士后应用研究项目(2018103);; "山东省"双一流"建设工程-土木"资助项目

作者(Author): 徐恒志;刘才玮;苗吉军;肖建庄;张铭良;

Email:

DOI:

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