摘要
大型有限元计算软件ANSYS界面友好、使用方便,在桥梁工程中具有广泛的应用前景。以北盘江特大桥锚碇结构为例,采用ANSYS建立了该结构有限元模型,其中考虑了结构自重、主缆索拉力、预应力、温度场及边界条件等因素,在此基础上采用子空间迭代法对其进行了整体受力分析。分析结果表明了该重力式锚碇结构内部受力大小及分布情况,再结合现场测试结果对该桥锚碇整体结构可靠性进行分析研究。对大跨径悬索桥锚碇结构的设计、施工及养护维修具有一定的参考价值。
ANSYS,abig software on finite element calculation,is used widely in bridge engineering for its convenient use, friendly interface and opened seconddevelopment system In this paper, the anchor model of Beipan River Bridge is established with ANSYS The weight of the structure, tension of the main cable, prestressed steel bar, temperature field and boundary conditions are all considered in the model Then the values and distribution of inner stresses in the anchor are calculated by use of the iterative method of subspace Based on the analysis and experimental principle, tests on the reliability of the whole anchor system are carried out The results obtained in this paper possess reference values for the design, construction and maintenance of the anchor in suspension bridge
出处
《石家庄铁道学院学报》
2003年第3期53-56,共4页
Journal of Shijiazhuang Railway Institute
