粘钢加固钢筋混凝土梁复合刚度的研究  

Method for solving composite rigidity of reinforced concrete beam with adhered steel based on ANSYS

作　　者：赵军[1,2] 阳小超 缪昌国[2] 戴昌强 

机构地区：[1]桂林理工大学广西矿冶与环境科学试验中心,广西桂林541004 [2]桂林理工大学土木与建筑工程学院,广西桂林541004

出　　处：《混凝土》2017年第3期7-9,共3页Concrete

基　　金：国家自然科学基金项目(51568016);广西矿冶与环境科学试验中心项目(KH2011YB025)

摘　　要：用传统静力载荷试验测试粘钢加固RC梁的长期复合刚度存在诸多不便。为解决这一难题,以力学理论公式为基础,结合数值理论反推,提出了确定复合刚度的方法。首先根据材料力学理论,建立复合刚度与荷载、挠度之间的关系方程;再通过有限元软件模拟加固梁,观察其在荷载作用下的屈服形态以及跨中挠度,得出了不同荷载作用下的复合刚度情况。In order to overcome the inconvenience of traditional static load test method in testing the long-term composite rigidity of re- inforced concrete beams strengthened with bonding steel plate, a new method for determining the long-term composite rigidity of mechani- cal theory and numerical inversion is presented.Firstly, according to the material mechanics theory, the relationship equation between the composite rigidity, load and deflection is established.Then, through the finite element software simulation of the strengthened beam, ob- serve the yield form and the deflection under the load.At last, the rigidity under different loads is obtained.

关 键 词：粘钢加固RC梁 ANSYS 挠度 复合刚度 

分 类 号：TU528.01[建筑科学—建筑技术科学]