摘要
为提高调整结构刚度的效率,以能量法为基础,采用SAP2000软件建立简单的桁架模型,通过手算和软件计算结果对比,验证了软件虚功图的工作原理,计算出结构各杆件应变能密度,利用结构应变能与刚度之间的关系,可快速准确地调整构件截面,以达到调整结构刚度的目的,并将该方法运用于工程实践中;结果表明,基于能量法的结构刚度调整具有较高的效率。
In order to improve the efficiency of adjusting structural stiffness,a simple truss is built by SAP2000 software on the basis of energy method.The working principle of virtual work diagram is verified by comparing the results of manual calculation with those of software calculation.By calculating the strain energy density of each member of the structure and utilizing the relationship between the strain energy and stiffness of the structure,the section of the member can be adjusted quickly and accurately to achieve the purpose of adjusting the stiffness of the structure.The method is applied in practical engineering and the result show that stiffness adjustment based on energy method has high efficiency.
作者
罗若帆
王仕成
陈奇纳
欧阳志勇
Luo Ruofan;Wang Shicheng;Chen Qina;Ouyang Zhiyong(School of Civil Engineering,Jiaying UniversityMeizhou 514015,China;Architectural Design and Research Institute of Guangdong ProvinceGuangzhou 510010,China;CCDI GROUPShenzhen 518048,China)
出处
《广东土木与建筑》
2019年第9期4-7,共4页
Guangdong Architecture Civil Engineering
基金
国家自然科学基金项目(51808259)
嘉应学院科技项目(2019KJY08)
关键词
能量法
虚功图
应变能密度
刚度控制
energy method
virtual work diagram
strain energy density
stiffness controlled
